./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label19_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2187a16d-0738-4114-b77f-f1f8af81eecb/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2187a16d-0738-4114-b77f-f1f8af81eecb/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2187a16d-0738-4114-b77f-f1f8af81eecb/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2187a16d-0738-4114-b77f-f1f8af81eecb/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label19_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2187a16d-0738-4114-b77f-f1f8af81eecb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2187a16d-0738-4114-b77f-f1f8af81eecb/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 edeea1f74999e0c407ee107c2e6c77e98295c642 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 15:01:43,920 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 15:01:43,921 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 15:01:43,927 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 15:01:43,927 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 15:01:43,928 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 15:01:43,928 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 15:01:43,929 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 15:01:43,930 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 15:01:43,931 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 15:01:43,931 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 15:01:43,931 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 15:01:43,932 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 15:01:43,932 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 15:01:43,933 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 15:01:43,934 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 15:01:43,934 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 15:01:43,935 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 15:01:43,936 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 15:01:43,937 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 15:01:43,937 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 15:01:43,938 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 15:01:43,939 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 15:01:43,939 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 15:01:43,940 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 15:01:43,940 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 15:01:43,941 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 15:01:43,941 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 15:01:43,942 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 15:01:43,942 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 15:01:43,942 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 15:01:43,943 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 15:01:43,943 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 15:01:43,943 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 15:01:43,943 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 15:01:43,944 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 15:01:43,944 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2187a16d-0738-4114-b77f-f1f8af81eecb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 15:01:43,951 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 15:01:43,951 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 15:01:43,952 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 15:01:43,952 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 15:01:43,952 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 15:01:43,952 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 15:01:43,952 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 15:01:43,952 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 15:01:43,952 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 15:01:43,953 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 15:01:43,953 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 15:01:43,953 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 15:01:43,953 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 15:01:43,953 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 15:01:43,953 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 15:01:43,953 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 15:01:43,953 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 15:01:43,953 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 15:01:43,954 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 15:01:43,954 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 15:01:43,954 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 15:01:43,954 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 15:01:43,954 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 15:01:43,954 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 15:01:43,954 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 15:01:43,954 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 15:01:43,954 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 15:01:43,954 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 15:01:43,954 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 15:01:43,955 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 15:01:43,955 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 15:01:43,955 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 15:01:43,955 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 15:01:43,955 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 15:01:43,955 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 15:01:43,955 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 15:01:43,955 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_2187a16d-0738-4114-b77f-f1f8af81eecb/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 -> edeea1f74999e0c407ee107c2e6c77e98295c642 [2018-12-08 15:01:43,972 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 15:01:43,979 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 15:01:43,981 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 15:01:43,982 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 15:01:43,982 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 15:01:43,982 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2187a16d-0738-4114-b77f-f1f8af81eecb/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem15_label19_true-unreach-call.c [2018-12-08 15:01:44,017 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2187a16d-0738-4114-b77f-f1f8af81eecb/bin-2019/utaipan/data/8ab722c39/c3d3639142bd441cae199ff8816190ef/FLAG83bb7c1a3 [2018-12-08 15:01:44,413 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 15:01:44,414 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2187a16d-0738-4114-b77f-f1f8af81eecb/sv-benchmarks/c/eca-rers2012/Problem15_label19_true-unreach-call.c [2018-12-08 15:01:44,425 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2187a16d-0738-4114-b77f-f1f8af81eecb/bin-2019/utaipan/data/8ab722c39/c3d3639142bd441cae199ff8816190ef/FLAG83bb7c1a3 [2018-12-08 15:01:44,434 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2187a16d-0738-4114-b77f-f1f8af81eecb/bin-2019/utaipan/data/8ab722c39/c3d3639142bd441cae199ff8816190ef [2018-12-08 15:01:44,436 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 15:01:44,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 15:01:44,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 15:01:44,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 15:01:44,440 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 15:01:44,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:01:44" (1/1) ... [2018-12-08 15:01:44,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@484c0a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:01:44, skipping insertion in model container [2018-12-08 15:01:44,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:01:44" (1/1) ... [2018-12-08 15:01:44,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 15:01:44,487 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 15:01:44,816 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 15:01:44,819 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 15:01:45,023 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 15:01:45,033 INFO L195 MainTranslator]: Completed translation [2018-12-08 15:01:45,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:01:45 WrapperNode [2018-12-08 15:01:45,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 15:01:45,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 15:01:45,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 15:01:45,034 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 15:01:45,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:01:45" (1/1) ... [2018-12-08 15:01:45,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:01:45" (1/1) ... [2018-12-08 15:01:45,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 15:01:45,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 15:01:45,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 15:01:45,068 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 15:01:45,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:01:45" (1/1) ... [2018-12-08 15:01:45,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:01:45" (1/1) ... [2018-12-08 15:01:45,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:01:45" (1/1) ... [2018-12-08 15:01:45,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:01:45" (1/1) ... [2018-12-08 15:01:45,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:01:45" (1/1) ... [2018-12-08 15:01:45,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:01:45" (1/1) ... [2018-12-08 15:01:45,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:01:45" (1/1) ... [2018-12-08 15:01:45,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 15:01:45,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 15:01:45,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 15:01:45,151 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 15:01:45,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:01:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2187a16d-0738-4114-b77f-f1f8af81eecb/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 [2018-12-08 15:01:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 15:01:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 15:01:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-08 15:01:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-08 15:01:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 15:01:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 15:01:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 15:01:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 15:01:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 15:01:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 15:01:46,647 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 15:01:46,648 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 15:01:46,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:01:46 BoogieIcfgContainer [2018-12-08 15:01:46,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 15:01:46,649 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 15:01:46,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 15:01:46,651 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 15:01:46,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 03:01:44" (1/3) ... [2018-12-08 15:01:46,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27c124ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:01:46, skipping insertion in model container [2018-12-08 15:01:46,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:01:45" (2/3) ... [2018-12-08 15:01:46,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27c124ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:01:46, skipping insertion in model container [2018-12-08 15:01:46,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:01:46" (3/3) ... [2018-12-08 15:01:46,653 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label19_true-unreach-call.c [2018-12-08 15:01:46,659 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 15:01:46,665 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 15:01:46,675 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 15:01:46,700 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 15:01:46,700 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 15:01:46,700 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 15:01:46,700 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 15:01:46,700 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 15:01:46,701 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 15:01:46,701 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 15:01:46,701 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 15:01:46,724 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states. [2018-12-08 15:01:46,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 15:01:46,730 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:01:46,731 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:01:46,732 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:01:46,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:01:46,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1728507445, now seen corresponding path program 1 times [2018-12-08 15:01:46,738 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:01:46,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:01:46,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:01:46,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:01:46,768 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:01:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:01:46,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:01:46,974 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 15:01:46,975 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 15:01:46,975 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:01:46,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 15:01:46,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 15:01:46,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 15:01:46,992 INFO L87 Difference]: Start difference. First operand 437 states. Second operand 4 states. [2018-12-08 15:01:49,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:01:49,038 INFO L93 Difference]: Finished difference Result 1554 states and 2845 transitions. [2018-12-08 15:01:49,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 15:01:49,039 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2018-12-08 15:01:49,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:01:49,057 INFO L225 Difference]: With dead ends: 1554 [2018-12-08 15:01:49,057 INFO L226 Difference]: Without dead ends: 1036 [2018-12-08 15:01:49,064 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 15:01:49,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2018-12-08 15:01:49,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 697. [2018-12-08 15:01:49,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2018-12-08 15:01:49,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 1188 transitions. [2018-12-08 15:01:49,120 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 1188 transitions. Word has length 51 [2018-12-08 15:01:49,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:01:49,121 INFO L480 AbstractCegarLoop]: Abstraction has 697 states and 1188 transitions. [2018-12-08 15:01:49,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 15:01:49,121 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1188 transitions. [2018-12-08 15:01:49,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-08 15:01:49,124 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:01:49,124 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:01:49,124 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:01:49,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:01:49,125 INFO L82 PathProgramCache]: Analyzing trace with hash 882457234, now seen corresponding path program 1 times [2018-12-08 15:01:49,125 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:01:49,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:01:49,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:01:49,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:01:49,126 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:01:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:01:49,240 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:01:49,240 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 15:01:49,241 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 15:01:49,241 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:01:49,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 15:01:49,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 15:01:49,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 15:01:49,243 INFO L87 Difference]: Start difference. First operand 697 states and 1188 transitions. Second operand 5 states. [2018-12-08 15:01:51,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:01:51,379 INFO L93 Difference]: Finished difference Result 1740 states and 2976 transitions. [2018-12-08 15:01:51,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 15:01:51,380 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2018-12-08 15:01:51,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:01:51,385 INFO L225 Difference]: With dead ends: 1740 [2018-12-08 15:01:51,385 INFO L226 Difference]: Without dead ends: 1049 [2018-12-08 15:01:51,387 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-08 15:01:51,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2018-12-08 15:01:51,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 1029. [2018-12-08 15:01:51,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1029 states. [2018-12-08 15:01:51,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1647 transitions. [2018-12-08 15:01:51,416 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1647 transitions. Word has length 120 [2018-12-08 15:01:51,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:01:51,417 INFO L480 AbstractCegarLoop]: Abstraction has 1029 states and 1647 transitions. [2018-12-08 15:01:51,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 15:01:51,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1647 transitions. [2018-12-08 15:01:51,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-08 15:01:51,419 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:01:51,419 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:01:51,419 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:01:51,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:01:51,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1243099509, now seen corresponding path program 1 times [2018-12-08 15:01:51,420 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:01:51,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:01:51,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:01:51,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:01:51,421 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:01:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:01:51,503 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:01:51,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 15:01:51,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 15:01:51,503 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:01:51,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 15:01:51,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 15:01:51,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-08 15:01:51,504 INFO L87 Difference]: Start difference. First operand 1029 states and 1647 transitions. Second operand 6 states. [2018-12-08 15:01:57,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:01:57,170 INFO L93 Difference]: Finished difference Result 3396 states and 5910 transitions. [2018-12-08 15:01:57,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 15:01:57,171 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 121 [2018-12-08 15:01:57,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:01:57,183 INFO L225 Difference]: With dead ends: 3396 [2018-12-08 15:01:57,184 INFO L226 Difference]: Without dead ends: 2373 [2018-12-08 15:01:57,187 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-12-08 15:01:57,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2373 states. [2018-12-08 15:01:57,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2373 to 2317. [2018-12-08 15:01:57,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2317 states. [2018-12-08 15:01:57,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2317 states to 2317 states and 3270 transitions. [2018-12-08 15:01:57,254 INFO L78 Accepts]: Start accepts. Automaton has 2317 states and 3270 transitions. Word has length 121 [2018-12-08 15:01:57,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:01:57,254 INFO L480 AbstractCegarLoop]: Abstraction has 2317 states and 3270 transitions. [2018-12-08 15:01:57,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 15:01:57,255 INFO L276 IsEmpty]: Start isEmpty. Operand 2317 states and 3270 transitions. [2018-12-08 15:01:57,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-08 15:01:57,256 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:01:57,257 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:01:57,257 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:01:57,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:01:57,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1475497091, now seen corresponding path program 1 times [2018-12-08 15:01:57,257 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:01:57,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:01:57,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:01:57,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:01:57,258 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:01:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:01:57,375 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:01:57,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 15:01:57,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 15:01:57,375 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:01:57,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 15:01:57,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 15:01:57,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 15:01:57,376 INFO L87 Difference]: Start difference. First operand 2317 states and 3270 transitions. Second operand 6 states. [2018-12-08 15:01:59,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:01:59,448 INFO L93 Difference]: Finished difference Result 5976 states and 9228 transitions. [2018-12-08 15:01:59,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 15:01:59,448 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-12-08 15:01:59,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:01:59,464 INFO L225 Difference]: With dead ends: 5976 [2018-12-08 15:01:59,464 INFO L226 Difference]: Without dead ends: 3973 [2018-12-08 15:01:59,470 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-08 15:01:59,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3973 states. [2018-12-08 15:01:59,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3973 to 3931. [2018-12-08 15:01:59,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3931 states. [2018-12-08 15:01:59,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3931 states to 3931 states and 5811 transitions. [2018-12-08 15:01:59,537 INFO L78 Accepts]: Start accepts. Automaton has 3931 states and 5811 transitions. Word has length 125 [2018-12-08 15:01:59,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:01:59,537 INFO L480 AbstractCegarLoop]: Abstraction has 3931 states and 5811 transitions. [2018-12-08 15:01:59,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 15:01:59,537 INFO L276 IsEmpty]: Start isEmpty. Operand 3931 states and 5811 transitions. [2018-12-08 15:01:59,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-08 15:01:59,538 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:01:59,539 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:01:59,539 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:01:59,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:01:59,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1652859948, now seen corresponding path program 1 times [2018-12-08 15:01:59,539 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:01:59,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:01:59,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:01:59,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:01:59,540 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:01:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:01:59,621 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:01:59,621 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:01:59,622 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 15:01:59,622 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 147 with the following transitions: [2018-12-08 15:01:59,624 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-08 15:01:59,658 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 15:01:59,659 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 15:02:00,044 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 15:02:00,045 INFO L272 AbstractInterpreter]: Visited 103 different actions 295 times. Merged at 4 different actions 7 times. Never widened. Performed 3088 root evaluator evaluations with a maximum evaluation depth of 10. Performed 3088 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-08 15:02:00,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:02:00,052 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 15:02:00,053 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:02:00,053 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2187a16d-0738-4114-b77f-f1f8af81eecb/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 [2018-12-08 15:02:00,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:02:00,060 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 15:02:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:02:00,104 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 15:02:02,652 WARN L180 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2018-12-08 15:02:03,935 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:02:03,936 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 15:02:03,972 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:02:03,988 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-08 15:02:03,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 6] total 11 [2018-12-08 15:02:03,988 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:02:03,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 15:02:03,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 15:02:03,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=78, Unknown=2, NotChecked=0, Total=110 [2018-12-08 15:02:03,989 INFO L87 Difference]: Start difference. First operand 3931 states and 5811 transitions. Second operand 3 states. [2018-12-08 15:02:05,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:02:05,097 INFO L93 Difference]: Finished difference Result 9739 states and 15166 transitions. [2018-12-08 15:02:05,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 15:02:05,098 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2018-12-08 15:02:05,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:02:05,120 INFO L225 Difference]: With dead ends: 9739 [2018-12-08 15:02:05,120 INFO L226 Difference]: Without dead ends: 6122 [2018-12-08 15:02:05,128 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 288 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=30, Invalid=78, Unknown=2, NotChecked=0, Total=110 [2018-12-08 15:02:05,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6122 states. [2018-12-08 15:02:05,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6122 to 6122. [2018-12-08 15:02:05,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6122 states. [2018-12-08 15:02:05,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6122 states to 6122 states and 8567 transitions. [2018-12-08 15:02:05,225 INFO L78 Accepts]: Start accepts. Automaton has 6122 states and 8567 transitions. Word has length 146 [2018-12-08 15:02:05,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:02:05,226 INFO L480 AbstractCegarLoop]: Abstraction has 6122 states and 8567 transitions. [2018-12-08 15:02:05,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 15:02:05,226 INFO L276 IsEmpty]: Start isEmpty. Operand 6122 states and 8567 transitions. [2018-12-08 15:02:05,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-12-08 15:02:05,228 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:02:05,228 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:02:05,228 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:02:05,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:02:05,228 INFO L82 PathProgramCache]: Analyzing trace with hash -424575840, now seen corresponding path program 1 times [2018-12-08 15:02:05,229 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:02:05,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:02:05,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:02:05,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:02:05,229 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:02:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:02:05,354 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:02:05,354 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:02:05,354 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 15:02:05,354 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 219 with the following transitions: [2018-12-08 15:02:05,354 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-08 15:02:05,358 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 15:02:05,358 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 15:02:05,473 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 15:02:05,474 INFO L272 AbstractInterpreter]: Visited 171 different actions 171 times. Never merged. Never widened. Performed 1937 root evaluator evaluations with a maximum evaluation depth of 9. Performed 1937 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Never found a fixpoint. Largest state had 24 variables. [2018-12-08 15:02:05,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:02:05,475 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 15:02:05,695 INFO L227 lantSequenceWeakener]: Weakened 212 states. On average, predicates are now at 77.96% of their original sizes. [2018-12-08 15:02:05,695 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 15:02:05,710 INFO L418 sIntCurrentIteration]: We unified 217 AI predicates to 217 [2018-12-08 15:02:05,711 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 15:02:05,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 15:02:05,711 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2018-12-08 15:02:05,711 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:02:05,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 15:02:05,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 15:02:05,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 15:02:05,712 INFO L87 Difference]: Start difference. First operand 6122 states and 8567 transitions. Second operand 6 states. [2018-12-08 15:02:37,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:02:37,337 INFO L93 Difference]: Finished difference Result 11931 states and 16792 transitions. [2018-12-08 15:02:37,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 15:02:37,337 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 218 [2018-12-08 15:02:37,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:02:37,348 INFO L225 Difference]: With dead ends: 11931 [2018-12-08 15:02:37,348 INFO L226 Difference]: Without dead ends: 6122 [2018-12-08 15:02:37,353 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 218 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-08 15:02:37,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6122 states. [2018-12-08 15:02:37,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6122 to 6117. [2018-12-08 15:02:37,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6117 states. [2018-12-08 15:02:37,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6117 states to 6117 states and 8521 transitions. [2018-12-08 15:02:37,420 INFO L78 Accepts]: Start accepts. Automaton has 6117 states and 8521 transitions. Word has length 218 [2018-12-08 15:02:37,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:02:37,421 INFO L480 AbstractCegarLoop]: Abstraction has 6117 states and 8521 transitions. [2018-12-08 15:02:37,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 15:02:37,421 INFO L276 IsEmpty]: Start isEmpty. Operand 6117 states and 8521 transitions. [2018-12-08 15:02:37,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-08 15:02:37,423 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:02:37,423 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 15:02:37,424 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:02:37,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:02:37,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1466719957, now seen corresponding path program 1 times [2018-12-08 15:02:37,424 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:02:37,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:02:37,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:02:37,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:02:37,425 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:02:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:02:37,548 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 89 proven. 89 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 15:02:37,548 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:02:37,548 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 15:02:37,548 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 275 with the following transitions: [2018-12-08 15:02:37,548 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [872], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-08 15:02:37,550 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 15:02:37,550 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 15:02:37,678 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 15:02:37,678 INFO L272 AbstractInterpreter]: Visited 137 different actions 397 times. Merged at 4 different actions 7 times. Never widened. Performed 4593 root evaluator evaluations with a maximum evaluation depth of 10. Performed 4593 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-08 15:02:37,679 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:02:37,679 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 15:02:37,679 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:02:37,679 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2187a16d-0738-4114-b77f-f1f8af81eecb/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 [2018-12-08 15:02:37,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:02:37,685 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 15:02:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:02:37,728 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 15:02:37,766 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-08 15:02:37,766 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 15:02:37,919 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-08 15:02:37,944 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-08 15:02:37,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 9 [2018-12-08 15:02:37,944 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:02:37,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 15:02:37,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 15:02:37,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-08 15:02:37,944 INFO L87 Difference]: Start difference. First operand 6117 states and 8521 transitions. Second operand 5 states. [2018-12-08 15:02:39,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:02:39,460 INFO L93 Difference]: Finished difference Result 12616 states and 18336 transitions. [2018-12-08 15:02:39,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 15:02:39,460 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 274 [2018-12-08 15:02:39,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:02:39,472 INFO L225 Difference]: With dead ends: 12616 [2018-12-08 15:02:39,472 INFO L226 Difference]: Without dead ends: 5513 [2018-12-08 15:02:39,479 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 557 GetRequests, 546 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-12-08 15:02:39,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5513 states. [2018-12-08 15:02:39,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5513 to 5137. [2018-12-08 15:02:39,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5137 states. [2018-12-08 15:02:39,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5137 states to 5137 states and 6330 transitions. [2018-12-08 15:02:39,534 INFO L78 Accepts]: Start accepts. Automaton has 5137 states and 6330 transitions. Word has length 274 [2018-12-08 15:02:39,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:02:39,534 INFO L480 AbstractCegarLoop]: Abstraction has 5137 states and 6330 transitions. [2018-12-08 15:02:39,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 15:02:39,535 INFO L276 IsEmpty]: Start isEmpty. Operand 5137 states and 6330 transitions. [2018-12-08 15:02:39,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-08 15:02:39,536 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:02:39,537 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:02:39,537 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:02:39,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:02:39,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1544909855, now seen corresponding path program 1 times [2018-12-08 15:02:39,537 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:02:39,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:02:39,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:02:39,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:02:39,538 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:02:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:02:39,707 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:02:39,707 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:02:39,707 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 15:02:39,707 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 289 with the following transitions: [2018-12-08 15:02:39,707 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1378], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-08 15:02:39,711 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 15:02:39,711 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 15:02:39,969 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 15:02:39,970 INFO L272 AbstractInterpreter]: Visited 245 different actions 721 times. Merged at 4 different actions 7 times. Never widened. Performed 9581 root evaluator evaluations with a maximum evaluation depth of 10. Performed 9581 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-08 15:02:39,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:02:39,971 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 15:02:39,971 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:02:39,971 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2187a16d-0738-4114-b77f-f1f8af81eecb/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 [2018-12-08 15:02:39,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:02:39,977 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 15:02:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:02:40,018 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 15:02:44,066 WARN L180 SmtUtils]: Spent 4.02 s on a formula simplification that was a NOOP. DAG size: 38 [2018-12-08 15:02:44,124 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:02:44,124 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 15:02:44,658 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:02:44,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-08 15:02:44,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 13 [2018-12-08 15:02:44,674 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:02:44,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 15:02:44,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 15:02:44,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-08 15:02:44,674 INFO L87 Difference]: Start difference. First operand 5137 states and 6330 transitions. Second operand 6 states. [2018-12-08 15:02:55,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:02:55,273 INFO L93 Difference]: Finished difference Result 13697 states and 17328 transitions. [2018-12-08 15:02:55,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 15:02:55,273 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 288 [2018-12-08 15:02:55,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:02:55,284 INFO L225 Difference]: With dead ends: 13697 [2018-12-08 15:02:55,284 INFO L226 Difference]: Without dead ends: 8560 [2018-12-08 15:02:55,287 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 584 GetRequests, 571 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-08 15:02:55,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8560 states. [2018-12-08 15:02:55,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8560 to 8241. [2018-12-08 15:02:55,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8241 states. [2018-12-08 15:02:55,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8241 states to 8241 states and 10375 transitions. [2018-12-08 15:02:55,364 INFO L78 Accepts]: Start accepts. Automaton has 8241 states and 10375 transitions. Word has length 288 [2018-12-08 15:02:55,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:02:55,364 INFO L480 AbstractCegarLoop]: Abstraction has 8241 states and 10375 transitions. [2018-12-08 15:02:55,364 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 15:02:55,364 INFO L276 IsEmpty]: Start isEmpty. Operand 8241 states and 10375 transitions. [2018-12-08 15:02:55,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2018-12-08 15:02:55,368 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:02:55,369 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:02:55,369 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:02:55,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:02:55,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1088812881, now seen corresponding path program 1 times [2018-12-08 15:02:55,369 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:02:55,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:02:55,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:02:55,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:02:55,370 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:02:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:02:55,608 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 84 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:02:55,608 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:02:55,608 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 15:02:55,609 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 437 with the following transitions: [2018-12-08 15:02:55,609 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-08 15:02:55,612 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 15:02:55,612 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 15:02:58,260 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 15:02:58,260 INFO L272 AbstractInterpreter]: Visited 283 different actions 840 times. Merged at 6 different actions 13 times. Never widened. Performed 11637 root evaluator evaluations with a maximum evaluation depth of 20. Performed 11637 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-08 15:02:58,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:02:58,262 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 15:02:58,262 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:02:58,262 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2187a16d-0738-4114-b77f-f1f8af81eecb/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 [2018-12-08 15:02:58,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:02:58,268 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 15:02:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:02:58,321 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 15:02:58,382 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-08 15:02:58,383 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 15:02:58,444 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-08 15:02:58,459 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-08 15:02:58,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 10 [2018-12-08 15:02:58,459 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:02:58,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 15:02:58,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 15:02:58,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-08 15:02:58,460 INFO L87 Difference]: Start difference. First operand 8241 states and 10375 transitions. Second operand 3 states. [2018-12-08 15:02:59,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:02:59,336 INFO L93 Difference]: Finished difference Result 19892 states and 25469 transitions. [2018-12-08 15:02:59,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 15:02:59,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 436 [2018-12-08 15:02:59,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:02:59,351 INFO L225 Difference]: With dead ends: 19892 [2018-12-08 15:02:59,351 INFO L226 Difference]: Without dead ends: 11964 [2018-12-08 15:02:59,360 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 883 GetRequests, 873 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-08 15:02:59,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11964 states. [2018-12-08 15:02:59,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11964 to 11346. [2018-12-08 15:02:59,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11346 states. [2018-12-08 15:02:59,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11346 states to 11346 states and 13934 transitions. [2018-12-08 15:02:59,462 INFO L78 Accepts]: Start accepts. Automaton has 11346 states and 13934 transitions. Word has length 436 [2018-12-08 15:02:59,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:02:59,463 INFO L480 AbstractCegarLoop]: Abstraction has 11346 states and 13934 transitions. [2018-12-08 15:02:59,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 15:02:59,463 INFO L276 IsEmpty]: Start isEmpty. Operand 11346 states and 13934 transitions. [2018-12-08 15:02:59,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2018-12-08 15:02:59,475 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:02:59,475 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:02:59,475 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:02:59,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:02:59,476 INFO L82 PathProgramCache]: Analyzing trace with hash 2021752828, now seen corresponding path program 1 times [2018-12-08 15:02:59,476 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:02:59,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:02:59,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:02:59,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:02:59,477 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:02:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:02:59,674 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 219 proven. 85 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-12-08 15:02:59,674 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:02:59,674 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 15:02:59,674 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 501 with the following transitions: [2018-12-08 15:02:59,675 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [644], [645], [649], [653], [657], [668], [671], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-08 15:02:59,677 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 15:02:59,678 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 15:03:00,228 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 15:03:00,228 INFO L272 AbstractInterpreter]: Visited 284 different actions 1131 times. Merged at 7 different actions 27 times. Never widened. Performed 16011 root evaluator evaluations with a maximum evaluation depth of 16. Performed 16011 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-08 15:03:00,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:03:00,230 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 15:03:00,230 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:03:00,230 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2187a16d-0738-4114-b77f-f1f8af81eecb/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 [2018-12-08 15:03:00,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:03:00,236 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 15:03:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:03:00,301 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 15:03:00,384 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 345 proven. 2 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-08 15:03:00,384 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 15:03:00,498 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 219 proven. 85 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-12-08 15:03:00,513 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 15:03:00,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-08 15:03:00,513 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 15:03:00,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 15:03:00,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 15:03:00,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-08 15:03:00,514 INFO L87 Difference]: Start difference. First operand 11346 states and 13934 transitions. Second operand 9 states. [2018-12-08 15:03:02,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:03:02,823 INFO L93 Difference]: Finished difference Result 26773 states and 35660 transitions. [2018-12-08 15:03:02,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 15:03:02,824 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 500 [2018-12-08 15:03:02,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:03:02,853 INFO L225 Difference]: With dead ends: 26773 [2018-12-08 15:03:02,853 INFO L226 Difference]: Without dead ends: 15740 [2018-12-08 15:03:02,868 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1023 GetRequests, 1004 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2018-12-08 15:03:02,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15740 states. [2018-12-08 15:03:03,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15740 to 15689. [2018-12-08 15:03:03,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15689 states. [2018-12-08 15:03:03,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15689 states to 15689 states and 19731 transitions. [2018-12-08 15:03:03,057 INFO L78 Accepts]: Start accepts. Automaton has 15689 states and 19731 transitions. Word has length 500 [2018-12-08 15:03:03,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:03:03,058 INFO L480 AbstractCegarLoop]: Abstraction has 15689 states and 19731 transitions. [2018-12-08 15:03:03,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 15:03:03,058 INFO L276 IsEmpty]: Start isEmpty. Operand 15689 states and 19731 transitions. [2018-12-08 15:03:03,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 601 [2018-12-08 15:03:03,064 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:03:03,064 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:03:03,065 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:03:03,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:03:03,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1762682819, now seen corresponding path program 1 times [2018-12-08 15:03:03,065 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:03:03,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:03:03,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:03:03,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:03:03,066 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:03:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:03:03,322 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 408 proven. 2 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-08 15:03:03,322 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:03:03,322 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 15:03:03,322 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 601 with the following transitions: [2018-12-08 15:03:03,322 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-08 15:03:03,325 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 15:03:03,325 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 15:03:06,263 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 15:03:06,263 INFO L272 AbstractInterpreter]: Visited 284 different actions 845 times. Merged at 7 different actions 15 times. Never widened. Performed 11663 root evaluator evaluations with a maximum evaluation depth of 20. Performed 11663 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-08 15:03:06,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:03:06,265 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 15:03:06,265 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:03:06,265 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2187a16d-0738-4114-b77f-f1f8af81eecb/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 [2018-12-08 15:03:06,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:03:06,271 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 15:03:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:03:06,346 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 15:03:06,464 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 408 proven. 2 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-08 15:03:06,464 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 15:03:06,652 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 408 proven. 2 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-08 15:03:06,667 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 15:03:06,667 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-08 15:03:06,667 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 15:03:06,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 15:03:06,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 15:03:06,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-08 15:03:06,668 INFO L87 Difference]: Start difference. First operand 15689 states and 19731 transitions. Second operand 9 states. [2018-12-08 15:03:10,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:03:10,029 INFO L93 Difference]: Finished difference Result 33827 states and 44510 transitions. [2018-12-08 15:03:10,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 15:03:10,029 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 600 [2018-12-08 15:03:10,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:03:10,070 INFO L225 Difference]: With dead ends: 33827 [2018-12-08 15:03:10,071 INFO L226 Difference]: Without dead ends: 18451 [2018-12-08 15:03:10,096 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1223 GetRequests, 1204 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2018-12-08 15:03:10,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18451 states. [2018-12-08 15:03:10,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18451 to 18098. [2018-12-08 15:03:10,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18098 states. [2018-12-08 15:03:10,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18098 states to 18098 states and 22586 transitions. [2018-12-08 15:03:10,350 INFO L78 Accepts]: Start accepts. Automaton has 18098 states and 22586 transitions. Word has length 600 [2018-12-08 15:03:10,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:03:10,351 INFO L480 AbstractCegarLoop]: Abstraction has 18098 states and 22586 transitions. [2018-12-08 15:03:10,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 15:03:10,351 INFO L276 IsEmpty]: Start isEmpty. Operand 18098 states and 22586 transitions. [2018-12-08 15:03:10,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2018-12-08 15:03:10,356 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:03:10,357 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:03:10,357 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:03:10,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:03:10,357 INFO L82 PathProgramCache]: Analyzing trace with hash -97521366, now seen corresponding path program 1 times [2018-12-08 15:03:10,357 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:03:10,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:03:10,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:03:10,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:03:10,358 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:03:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:03:10,607 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 449 proven. 43 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2018-12-08 15:03:10,608 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:03:10,608 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 15:03:10,608 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 642 with the following transitions: [2018-12-08 15:03:10,608 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [660], [663], [667], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [767], [771], [774], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-08 15:03:10,611 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 15:03:10,611 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 15:03:13,424 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 15:03:13,424 INFO L272 AbstractInterpreter]: Visited 287 different actions 852 times. Merged at 8 different actions 17 times. Never widened. Performed 11744 root evaluator evaluations with a maximum evaluation depth of 20. Performed 11744 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 5 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-08 15:03:13,427 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:03:13,427 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 15:03:13,427 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:03:13,427 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2187a16d-0738-4114-b77f-f1f8af81eecb/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 [2018-12-08 15:03:13,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:03:13,433 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 15:03:13,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:03:13,510 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 15:03:13,618 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2018-12-08 15:03:13,618 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 15:03:13,739 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2018-12-08 15:03:13,754 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-08 15:03:13,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 4 [2018-12-08 15:03:13,754 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:03:13,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 15:03:13,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 15:03:13,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 15:03:13,755 INFO L87 Difference]: Start difference. First operand 18098 states and 22586 transitions. Second operand 3 states. [2018-12-08 15:03:14,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:03:14,885 INFO L93 Difference]: Finished difference Result 38388 states and 48668 transitions. [2018-12-08 15:03:14,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 15:03:14,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 641 [2018-12-08 15:03:14,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:03:14,929 INFO L225 Difference]: With dead ends: 38388 [2018-12-08 15:03:14,929 INFO L226 Difference]: Without dead ends: 20603 [2018-12-08 15:03:14,955 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1288 GetRequests, 1282 SyntacticMatches, 4 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 15:03:14,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20603 states. [2018-12-08 15:03:15,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20603 to 19351. [2018-12-08 15:03:15,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19351 states. [2018-12-08 15:03:15,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19351 states to 19351 states and 24308 transitions. [2018-12-08 15:03:15,217 INFO L78 Accepts]: Start accepts. Automaton has 19351 states and 24308 transitions. Word has length 641 [2018-12-08 15:03:15,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:03:15,217 INFO L480 AbstractCegarLoop]: Abstraction has 19351 states and 24308 transitions. [2018-12-08 15:03:15,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 15:03:15,217 INFO L276 IsEmpty]: Start isEmpty. Operand 19351 states and 24308 transitions. [2018-12-08 15:03:15,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 708 [2018-12-08 15:03:15,225 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:03:15,225 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:03:15,225 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:03:15,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:03:15,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1145577255, now seen corresponding path program 1 times [2018-12-08 15:03:15,226 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:03:15,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:03:15,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:03:15,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:03:15,226 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:03:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:03:15,542 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2018-12-08 15:03:15,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 15:03:15,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 15:03:15,543 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:03:15,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 15:03:15,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 15:03:15,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 15:03:15,543 INFO L87 Difference]: Start difference. First operand 19351 states and 24308 transitions. Second operand 4 states. [2018-12-08 15:03:17,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:03:17,318 INFO L93 Difference]: Finished difference Result 45100 states and 57531 transitions. [2018-12-08 15:03:17,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 15:03:17,318 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 707 [2018-12-08 15:03:17,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:03:17,372 INFO L225 Difference]: With dead ends: 45100 [2018-12-08 15:03:17,372 INFO L226 Difference]: Without dead ends: 26062 [2018-12-08 15:03:17,406 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 15:03:17,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26062 states. [2018-12-08 15:03:17,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26062 to 21916. [2018-12-08 15:03:17,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21916 states. [2018-12-08 15:03:17,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21916 states to 21916 states and 27421 transitions. [2018-12-08 15:03:17,716 INFO L78 Accepts]: Start accepts. Automaton has 21916 states and 27421 transitions. Word has length 707 [2018-12-08 15:03:17,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:03:17,717 INFO L480 AbstractCegarLoop]: Abstraction has 21916 states and 27421 transitions. [2018-12-08 15:03:17,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 15:03:17,717 INFO L276 IsEmpty]: Start isEmpty. Operand 21916 states and 27421 transitions. [2018-12-08 15:03:17,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 804 [2018-12-08 15:03:17,732 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:03:17,732 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:03:17,732 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:03:17,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:03:17,733 INFO L82 PathProgramCache]: Analyzing trace with hash -295345711, now seen corresponding path program 1 times [2018-12-08 15:03:17,733 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:03:17,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:03:17,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:03:17,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:03:17,733 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:03:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:03:18,184 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 600 proven. 2 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-12-08 15:03:18,184 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:03:18,184 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 15:03:18,184 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 804 with the following transitions: [2018-12-08 15:03:18,184 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1167], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1562], [1566], [1570], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1619], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-08 15:03:18,187 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 15:03:18,187 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 15:03:18,590 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 15:03:18,590 INFO L272 AbstractInterpreter]: Visited 295 different actions 1174 times. Merged at 7 different actions 27 times. Never widened. Performed 15975 root evaluator evaluations with a maximum evaluation depth of 10. Performed 15975 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-08 15:03:18,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:03:18,592 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 15:03:18,592 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:03:18,592 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2187a16d-0738-4114-b77f-f1f8af81eecb/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 [2018-12-08 15:03:18,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:03:18,598 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 15:03:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:03:18,694 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 15:03:18,898 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 600 proven. 2 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-12-08 15:03:18,898 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 15:03:19,282 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 600 proven. 2 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-12-08 15:03:19,297 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 15:03:19,297 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-08 15:03:19,297 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 15:03:19,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 15:03:19,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 15:03:19,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-08 15:03:19,298 INFO L87 Difference]: Start difference. First operand 21916 states and 27421 transitions. Second operand 9 states. [2018-12-08 15:03:21,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:03:21,561 INFO L93 Difference]: Finished difference Result 41520 states and 50009 transitions. [2018-12-08 15:03:21,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 15:03:21,562 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 803 [2018-12-08 15:03:21,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:03:21,588 INFO L225 Difference]: With dead ends: 41520 [2018-12-08 15:03:21,589 INFO L226 Difference]: Without dead ends: 19917 [2018-12-08 15:03:21,619 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1625 GetRequests, 1608 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2018-12-08 15:03:21,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19917 states. [2018-12-08 15:03:21,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19917 to 17995. [2018-12-08 15:03:21,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17995 states. [2018-12-08 15:03:21,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17995 states to 17995 states and 19940 transitions. [2018-12-08 15:03:21,801 INFO L78 Accepts]: Start accepts. Automaton has 17995 states and 19940 transitions. Word has length 803 [2018-12-08 15:03:21,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:03:21,802 INFO L480 AbstractCegarLoop]: Abstraction has 17995 states and 19940 transitions. [2018-12-08 15:03:21,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 15:03:21,802 INFO L276 IsEmpty]: Start isEmpty. Operand 17995 states and 19940 transitions. [2018-12-08 15:03:21,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 837 [2018-12-08 15:03:21,813 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:03:21,813 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:03:21,813 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:03:21,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:03:21,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1171010843, now seen corresponding path program 1 times [2018-12-08 15:03:21,813 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:03:21,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:03:21,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:03:21,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:03:21,814 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:03:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:03:22,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 643 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-12-08 15:03:22,144 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:03:22,144 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 15:03:22,144 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 837 with the following transitions: [2018-12-08 15:03:22,144 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [660], [663], [667], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [754], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1194], [1197], [1201], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-08 15:03:22,146 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 15:03:22,146 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 15:03:25,600 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 15:03:25,601 INFO L272 AbstractInterpreter]: Visited 290 different actions 1139 times. Merged at 8 different actions 23 times. Never widened. Performed 15838 root evaluator evaluations with a maximum evaluation depth of 20. Performed 15838 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 9 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-08 15:03:25,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:03:25,602 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 15:03:25,602 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:03:25,602 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2187a16d-0738-4114-b77f-f1f8af81eecb/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 [2018-12-08 15:03:25,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:03:25,609 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 15:03:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:03:25,703 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 15:03:25,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 643 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-12-08 15:03:25,888 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 15:03:26,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 643 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-12-08 15:03:26,183 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 15:03:26,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-12-08 15:03:26,183 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 15:03:26,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 15:03:26,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 15:03:26,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-08 15:03:26,184 INFO L87 Difference]: Start difference. First operand 17995 states and 19940 transitions. Second operand 7 states. [2018-12-08 15:03:28,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:03:28,358 INFO L93 Difference]: Finished difference Result 41891 states and 46454 transitions. [2018-12-08 15:03:28,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 15:03:28,359 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 836 [2018-12-08 15:03:28,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:03:28,385 INFO L225 Difference]: With dead ends: 41891 [2018-12-08 15:03:28,385 INFO L226 Difference]: Without dead ends: 24209 [2018-12-08 15:03:28,400 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1685 GetRequests, 1672 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2018-12-08 15:03:28,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24209 states. [2018-12-08 15:03:28,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24209 to 23260. [2018-12-08 15:03:28,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23260 states. [2018-12-08 15:03:28,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23260 states to 23260 states and 25531 transitions. [2018-12-08 15:03:28,599 INFO L78 Accepts]: Start accepts. Automaton has 23260 states and 25531 transitions. Word has length 836 [2018-12-08 15:03:28,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:03:28,600 INFO L480 AbstractCegarLoop]: Abstraction has 23260 states and 25531 transitions. [2018-12-08 15:03:28,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 15:03:28,600 INFO L276 IsEmpty]: Start isEmpty. Operand 23260 states and 25531 transitions. [2018-12-08 15:03:28,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 843 [2018-12-08 15:03:28,614 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:03:28,614 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:03:28,614 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:03:28,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:03:28,615 INFO L82 PathProgramCache]: Analyzing trace with hash 517235645, now seen corresponding path program 1 times [2018-12-08 15:03:28,615 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:03:28,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:03:28,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:03:28,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:03:28,615 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:03:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:03:29,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1338 backedges. 742 proven. 2 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2018-12-08 15:03:29,024 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:03:29,024 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 15:03:29,024 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 843 with the following transitions: [2018-12-08 15:03:29,024 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [660], [663], [667], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [767], [771], [774], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1213], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-08 15:03:29,026 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 15:03:29,026 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 15:03:31,837 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 15:03:31,837 INFO L272 AbstractInterpreter]: Visited 288 different actions 854 times. Merged at 8 different actions 16 times. Never widened. Performed 11776 root evaluator evaluations with a maximum evaluation depth of 20. Performed 11776 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 6 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-08 15:03:31,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:03:31,838 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 15:03:31,838 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:03:31,839 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2187a16d-0738-4114-b77f-f1f8af81eecb/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 [2018-12-08 15:03:31,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:03:31,844 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 15:03:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:03:31,942 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 15:03:32,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1338 backedges. 742 proven. 2 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2018-12-08 15:03:32,141 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 15:03:32,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1338 backedges. 742 proven. 2 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2018-12-08 15:03:32,508 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 15:03:32,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-12-08 15:03:32,509 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 15:03:32,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 15:03:32,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 15:03:32,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-08 15:03:32,510 INFO L87 Difference]: Start difference. First operand 23260 states and 25531 transitions. Second operand 7 states. [2018-12-08 15:03:34,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:03:34,799 INFO L93 Difference]: Finished difference Result 52402 states and 57681 transitions. [2018-12-08 15:03:34,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 15:03:34,800 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 842 [2018-12-08 15:03:34,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:03:34,836 INFO L225 Difference]: With dead ends: 52402 [2018-12-08 15:03:34,836 INFO L226 Difference]: Without dead ends: 26342 [2018-12-08 15:03:34,856 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1699 GetRequests, 1686 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2018-12-08 15:03:34,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26342 states. [2018-12-08 15:03:35,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26342 to 25679. [2018-12-08 15:03:35,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25679 states. [2018-12-08 15:03:35,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25679 states to 25679 states and 27814 transitions. [2018-12-08 15:03:35,079 INFO L78 Accepts]: Start accepts. Automaton has 25679 states and 27814 transitions. Word has length 842 [2018-12-08 15:03:35,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:03:35,079 INFO L480 AbstractCegarLoop]: Abstraction has 25679 states and 27814 transitions. [2018-12-08 15:03:35,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 15:03:35,079 INFO L276 IsEmpty]: Start isEmpty. Operand 25679 states and 27814 transitions. [2018-12-08 15:03:35,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 886 [2018-12-08 15:03:35,089 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:03:35,090 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:03:35,090 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:03:35,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:03:35,090 INFO L82 PathProgramCache]: Analyzing trace with hash 445741402, now seen corresponding path program 1 times [2018-12-08 15:03:35,090 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:03:35,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:03:35,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:03:35,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:03:35,091 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:03:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:03:35,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 934 proven. 199 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2018-12-08 15:03:35,866 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:03:35,866 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 15:03:35,867 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 886 with the following transitions: [2018-12-08 15:03:35,867 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [660], [663], [667], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [994], [999], [1001], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1213], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-08 15:03:35,869 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 15:03:35,869 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 15:03:38,584 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 15:03:38,584 INFO L272 AbstractInterpreter]: Visited 290 different actions 861 times. Merged at 9 different actions 21 times. Never widened. Performed 11834 root evaluator evaluations with a maximum evaluation depth of 20. Performed 11834 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 6 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-08 15:03:38,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:03:38,586 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 15:03:38,586 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:03:38,586 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2187a16d-0738-4114-b77f-f1f8af81eecb/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 [2018-12-08 15:03:38,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:03:38,592 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 15:03:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:03:38,695 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 15:03:39,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 978 proven. 159 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2018-12-08 15:03:39,071 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 15:03:39,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 783 proven. 2 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2018-12-08 15:03:39,542 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 15:03:39,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 5] total 22 [2018-12-08 15:03:39,543 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 15:03:39,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-08 15:03:39,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-08 15:03:39,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2018-12-08 15:03:39,544 INFO L87 Difference]: Start difference. First operand 25679 states and 27814 transitions. Second operand 20 states. [2018-12-08 15:03:47,831 WARN L180 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2018-12-08 15:03:51,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:03:51,751 INFO L93 Difference]: Finished difference Result 60563 states and 66215 transitions. [2018-12-08 15:03:51,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2018-12-08 15:03:51,751 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 885 [2018-12-08 15:03:51,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:03:51,796 INFO L225 Difference]: With dead ends: 60563 [2018-12-08 15:03:51,796 INFO L226 Difference]: Without dead ends: 35504 [2018-12-08 15:03:51,822 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1956 GetRequests, 1839 SyntacticMatches, 3 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4793 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=2212, Invalid=11128, Unknown=0, NotChecked=0, Total=13340 [2018-12-08 15:03:51,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35504 states. [2018-12-08 15:03:52,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35504 to 31009. [2018-12-08 15:03:52,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31009 states. [2018-12-08 15:03:52,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31009 states to 31009 states and 33412 transitions. [2018-12-08 15:03:52,156 INFO L78 Accepts]: Start accepts. Automaton has 31009 states and 33412 transitions. Word has length 885 [2018-12-08 15:03:52,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:03:52,157 INFO L480 AbstractCegarLoop]: Abstraction has 31009 states and 33412 transitions. [2018-12-08 15:03:52,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-08 15:03:52,157 INFO L276 IsEmpty]: Start isEmpty. Operand 31009 states and 33412 transitions. [2018-12-08 15:03:52,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 902 [2018-12-08 15:03:52,205 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:03:52,205 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:03:52,205 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:03:52,206 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:03:52,206 INFO L82 PathProgramCache]: Analyzing trace with hash 927113813, now seen corresponding path program 1 times [2018-12-08 15:03:52,206 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:03:52,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:03:52,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:03:52,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:03:52,207 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:03:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:03:52,725 INFO L134 CoverageAnalysis]: Checked inductivity of 971 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 833 trivial. 0 not checked. [2018-12-08 15:03:52,725 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:03:52,725 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 15:03:52,725 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 902 with the following transitions: [2018-12-08 15:03:52,726 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1562], [1566], [1570], [1573], [1578], [1580], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1619], [1620], [1623], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-08 15:03:52,728 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 15:03:52,728 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 15:03:54,052 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 15:03:54,052 INFO L272 AbstractInterpreter]: Visited 298 different actions 888 times. Merged at 7 different actions 18 times. Never widened. Performed 11936 root evaluator evaluations with a maximum evaluation depth of 20. Performed 11936 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-08 15:03:54,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:03:54,055 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 15:03:54,055 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:03:54,055 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2187a16d-0738-4114-b77f-f1f8af81eecb/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 [2018-12-08 15:03:54,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:03:54,061 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 15:03:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:03:54,197 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 15:03:56,249 WARN L180 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 38 [2018-12-08 15:03:56,615 INFO L134 CoverageAnalysis]: Checked inductivity of 971 backedges. 11 proven. 127 refuted. 0 times theorem prover too weak. 833 trivial. 0 not checked. [2018-12-08 15:03:56,615 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 15:03:59,840 INFO L134 CoverageAnalysis]: Checked inductivity of 971 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 833 trivial. 0 not checked. [2018-12-08 15:03:59,855 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-08 15:03:59,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 13 [2018-12-08 15:03:59,855 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:03:59,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 15:03:59,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 15:03:59,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-08 15:03:59,856 INFO L87 Difference]: Start difference. First operand 31009 states and 33412 transitions. Second operand 6 states. [2018-12-08 15:04:03,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:04:03,975 INFO L93 Difference]: Finished difference Result 61707 states and 66509 transitions. [2018-12-08 15:04:03,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 15:04:03,975 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 901 [2018-12-08 15:04:03,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:04:04,011 INFO L225 Difference]: With dead ends: 61707 [2018-12-08 15:04:04,011 INFO L226 Difference]: Without dead ends: 30702 [2018-12-08 15:04:04,035 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1814 GetRequests, 1798 SyntacticMatches, 5 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-08 15:04:04,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30702 states. [2018-12-08 15:04:04,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30702 to 30700. [2018-12-08 15:04:04,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30700 states. [2018-12-08 15:04:04,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30700 states to 30700 states and 33083 transitions. [2018-12-08 15:04:04,338 INFO L78 Accepts]: Start accepts. Automaton has 30700 states and 33083 transitions. Word has length 901 [2018-12-08 15:04:04,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:04:04,338 INFO L480 AbstractCegarLoop]: Abstraction has 30700 states and 33083 transitions. [2018-12-08 15:04:04,338 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 15:04:04,338 INFO L276 IsEmpty]: Start isEmpty. Operand 30700 states and 33083 transitions. [2018-12-08 15:04:04,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1359 [2018-12-08 15:04:04,359 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:04:04,359 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:04:04,359 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:04:04,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:04:04,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1828057560, now seen corresponding path program 1 times [2018-12-08 15:04:04,360 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:04:04,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:04:04,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:04:04,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:04:04,360 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:04:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:04:05,330 INFO L134 CoverageAnalysis]: Checked inductivity of 3186 backedges. 937 proven. 949 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2018-12-08 15:04:05,330 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:04:05,330 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 15:04:05,330 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1359 with the following transitions: [2018-12-08 15:04:05,330 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [644], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [766], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [962], [963], [967], [971], [975], [979], [983], [987], [991], [994], [999], [1001], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1386], [1389], [1393], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1562], [1566], [1570], [1573], [1578], [1580], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1620], [1623], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-08 15:04:05,333 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 15:04:05,333 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 15:04:07,515 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 15:04:07,515 INFO L272 AbstractInterpreter]: Visited 306 different actions 1214 times. Merged at 11 different actions 32 times. Never widened. Performed 17158 root evaluator evaluations with a maximum evaluation depth of 20. Performed 17158 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 16 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-08 15:04:07,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:04:07,517 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 15:04:07,517 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:04:07,517 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2187a16d-0738-4114-b77f-f1f8af81eecb/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 [2018-12-08 15:04:07,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:04:07,524 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 15:04:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:04:07,671 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 15:04:08,121 INFO L134 CoverageAnalysis]: Checked inductivity of 3186 backedges. 1061 proven. 0 refuted. 0 times theorem prover too weak. 2125 trivial. 0 not checked. [2018-12-08 15:04:08,121 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 15:04:08,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3186 backedges. 343 proven. 2 refuted. 0 times theorem prover too weak. 2841 trivial. 0 not checked. [2018-12-08 15:04:08,567 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-08 15:04:08,567 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [10, 3] total 11 [2018-12-08 15:04:08,567 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:04:08,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 15:04:08,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 15:04:08,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-12-08 15:04:08,568 INFO L87 Difference]: Start difference. First operand 30700 states and 33083 transitions. Second operand 3 states. [2018-12-08 15:04:09,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:04:09,644 INFO L93 Difference]: Finished difference Result 61995 states and 66802 transitions. [2018-12-08 15:04:09,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 15:04:09,644 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1358 [2018-12-08 15:04:09,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:04:09,680 INFO L225 Difference]: With dead ends: 61995 [2018-12-08 15:04:09,680 INFO L226 Difference]: Without dead ends: 31608 [2018-12-08 15:04:09,704 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2727 GetRequests, 2718 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-12-08 15:04:09,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31608 states. [2018-12-08 15:04:09,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31608 to 30354. [2018-12-08 15:04:09,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30354 states. [2018-12-08 15:04:09,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30354 states to 30354 states and 32570 transitions. [2018-12-08 15:04:09,998 INFO L78 Accepts]: Start accepts. Automaton has 30354 states and 32570 transitions. Word has length 1358 [2018-12-08 15:04:09,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:04:09,999 INFO L480 AbstractCegarLoop]: Abstraction has 30354 states and 32570 transitions. [2018-12-08 15:04:09,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 15:04:09,999 INFO L276 IsEmpty]: Start isEmpty. Operand 30354 states and 32570 transitions. [2018-12-08 15:04:10,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1378 [2018-12-08 15:04:10,020 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:04:10,020 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:04:10,020 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:04:10,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:04:10,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1546848111, now seen corresponding path program 1 times [2018-12-08 15:04:10,020 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:04:10,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:04:10,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:04:10,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:04:10,021 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:04:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:04:10,984 INFO L134 CoverageAnalysis]: Checked inductivity of 3086 backedges. 937 proven. 934 refuted. 0 times theorem prover too weak. 1215 trivial. 0 not checked. [2018-12-08 15:04:10,984 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:04:10,984 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 15:04:10,984 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1378 with the following transitions: [2018-12-08 15:04:10,985 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [29], [33], [37], [41], [44], [49], [51], [73], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [644], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [730], [731], [735], [739], [743], [747], [751], [755], [759], [763], [766], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [994], [999], [1001], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1562], [1566], [1570], [1573], [1578], [1580], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1620], [1623], [1624], [1628], [1632], [1634], [1635], [1639], [1648], [1652], [1654], [1659], [1660], [1661], [1662], [1663], [1665], [1666] [2018-12-08 15:04:10,987 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 15:04:10,987 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 15:04:13,884 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 15:04:13,884 INFO L272 AbstractInterpreter]: Visited 322 different actions 1599 times. Merged at 10 different actions 47 times. Widened at 1 different actions 1 times. Performed 22863 root evaluator evaluations with a maximum evaluation depth of 20. Performed 22863 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 22 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-08 15:04:13,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:04:13,886 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 15:04:13,886 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:04:13,887 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2187a16d-0738-4114-b77f-f1f8af81eecb/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 [2018-12-08 15:04:13,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:04:13,893 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 15:04:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:04:14,084 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 15:04:14,536 INFO L134 CoverageAnalysis]: Checked inductivity of 3086 backedges. 2058 proven. 2 refuted. 0 times theorem prover too weak. 1026 trivial. 0 not checked. [2018-12-08 15:04:14,536 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 15:04:15,108 INFO L134 CoverageAnalysis]: Checked inductivity of 3086 backedges. 768 proven. 213 refuted. 0 times theorem prover too weak. 2105 trivial. 0 not checked. [2018-12-08 15:04:15,123 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 15:04:15,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 14 [2018-12-08 15:04:15,124 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 15:04:15,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-08 15:04:15,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-08 15:04:15,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-12-08 15:04:15,125 INFO L87 Difference]: Start difference. First operand 30354 states and 32570 transitions. Second operand 13 states. [2018-12-08 15:04:18,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:04:18,924 INFO L93 Difference]: Finished difference Result 46038 states and 49065 transitions. [2018-12-08 15:04:18,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 15:04:18,925 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 1377 [2018-12-08 15:04:18,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:04:18,925 INFO L225 Difference]: With dead ends: 46038 [2018-12-08 15:04:18,926 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 15:04:18,950 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2785 GetRequests, 2761 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=152, Invalid=400, Unknown=0, NotChecked=0, Total=552 [2018-12-08 15:04:18,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 15:04:18,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 15:04:18,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 15:04:18,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 15:04:18,950 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1377 [2018-12-08 15:04:18,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:04:18,950 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 15:04:18,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-08 15:04:18,950 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 15:04:18,951 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 15:04:18,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 15:04:19,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,575 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 336 [2018-12-08 15:04:19,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,796 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 338 [2018-12-08 15:04:19,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:19,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:04:23,165 WARN L180 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 555 DAG size of output: 182 [2018-12-08 15:04:27,004 WARN L180 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 552 DAG size of output: 180 [2018-12-08 15:04:28,284 WARN L180 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 371 DAG size of output: 103 [2018-12-08 15:04:29,550 WARN L180 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 374 DAG size of output: 103 [2018-12-08 15:04:33,440 WARN L180 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 558 DAG size of output: 186 [2018-12-08 15:04:33,442 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 15:04:33,442 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a29~0 |old(~a29~0)|) (= ~a2~0 |old(~a2~0)|) (or (<= (+ ~a4~0 86) 0) (<= 0 (+ |old(~a4~0)| 85))) (= ~a0~0 |old(~a0~0)|)) [2018-12-08 15:04:33,442 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 15:04:33,442 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1658 1758) no Hoare annotation was computed. [2018-12-08 15:04:33,442 INFO L448 ceAbstractionStarter]: For program point L1749(lines 1749 1756) no Hoare annotation was computed. [2018-12-08 15:04:33,442 INFO L448 ceAbstractionStarter]: For program point L1729(lines 1729 1756) no Hoare annotation was computed. [2018-12-08 15:04:33,442 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1658 1758) the Hoare annotation is: (let ((.cse33 (+ ~a4~0 85)) (.cse32 (+ |old(~a4~0)| 85))) (let ((.cse8 (< .cse32 0)) (.cse7 (< 0 (+ |old(~a0~0)| 147))) (.cse14 (< |old(~a2~0)| 3)) (.cse27 (+ |old(~a0~0)| 98)) (.cse22 (<= 0 .cse33)) (.cse5 (= ~a2~0 2)) (.cse30 (= 3 |old(~a2~0)|)) (.cse17 (= |old(~a2~0)| ~a2~0)) (.cse3 (= ~a29~0 |old(~a29~0)|)) (.cse4 (< .cse33 0)) (.cse6 (= ~a0~0 |old(~a0~0)|)) (.cse19 (<= (+ |old(~a29~0)| 144) 0)) (.cse2 (<= 0 .cse32))) (let ((.cse12 (or (< 2 |old(~a2~0)|) .cse19 (exists ((v_prenex_12 Int)) (let ((.cse31 (* 9 v_prenex_12))) (and (= 0 (mod .cse31 10)) (<= 588645 (div .cse31 10)) (<= v_prenex_12 |old(~a0~0)|)))) .cse2)) (.cse13 (and .cse17 .cse3 .cse4 .cse6)) (.cse20 (not .cse30)) (.cse26 (= 3 ~a2~0)) (.cse9 (and .cse22 .cse3 .cse5 .cse6)) (.cse1 (not (= 2 |old(~a2~0)|))) (.cse15 (< 0 .cse27)) (.cse25 (not (= 4 |old(~a2~0)|))) (.cse16 (or .cse30 .cse7 .cse14)) (.cse23 (or .cse8 .cse19)) (.cse21 (forall ((v_prenex_13 Int)) (let ((.cse29 (mod v_prenex_13 63))) (or (not (= .cse29 0)) (< 0 (+ v_prenex_13 144)) (< .cse29 (+ |old(~a29~0)| 80)))))) (.cse24 (and .cse17 .cse22 (< 0 (+ ~a29~0 144)) .cse3 (not (= ~a2~0 3)) .cse2 .cse6 (<= ~a2~0 3))) (.cse18 (+ |old(~a0~0)| 44)) (.cse11 (not (= 1 |old(~a2~0)|))) (.cse10 (= ~a2~0 |old(~a2~0)|)) (.cse0 (exists ((v_~a0~0_1000 Int)) (let ((.cse28 (* 9 v_~a0~0_1000))) (and (<= 556427 (div .cse28 10)) (<= 0 .cse28) (<= v_~a0~0_1000 |old(~a0~0)|)))))) (and (or (or .cse0 (or .cse1 .cse2)) (and .cse3 .cse4 .cse5 .cse6)) (or .cse7 .cse8 .cse9 .cse1) (or (and (and .cse3 .cse4 .cse6) .cse10) .cse11 (or .cse12 .cse0)) (or .cse13 .cse14 .cse2 .cse15) (or .cse16 (and .cse17 .cse3 .cse6)) (or (and (and .cse17 .cse3) .cse6) .cse0 (or (or (< .cse18 0) .cse19) .cse20)) (or .cse13 .cse15 (or (< |old(~a29~0)| 44) .cse12)) (or .cse11 .cse8 .cse21 (and .cse22 .cse3 (= 1 ~a2~0) .cse6) .cse15) (or .cse23 (< 0 (+ |old(~a29~0)| 18)) .cse11 .cse15 .cse24) (or .cse11 (or .cse7 .cse8) (and .cse17 .cse22 .cse3 .cse6)) (or .cse8 .cse19 .cse14 .cse15 (and .cse22 .cse3 .cse17 .cse6)) (or .cse0 (and .cse3 .cse4 .cse6 (= 4 ~a2~0)) (or .cse25 .cse2)) (or .cse7 .cse13 .cse2) (or (or .cse2 .cse20) .cse0 (and .cse3 .cse4 .cse6 .cse26)) (or (or (or .cse8 .cse20) .cse15) (and .cse22 .cse3 .cse6 .cse26)) (or .cse8 .cse19 .cse9 .cse1 .cse15) (or (or .cse25 .cse8 .cse16) .cse22) (or .cse23 .cse11 .cse21 .cse0 .cse24) (or .cse11 (not (= 0 (+ |old(~a29~0)| 127))) (not (= 0 .cse18)) (not (= 0 (+ |old(~a4~0)| 89))) (= (+ ~a4~0 89) 0)) (or .cse11 .cse0 (and (and .cse3 .cse4) .cse10 .cse6) (or (<= .cse27 0) .cse2)) (or (or .cse19 .cse14 .cse2) .cse0 (and .cse3 .cse17 .cse4 .cse6)))))) [2018-12-08 15:04:33,442 INFO L448 ceAbstractionStarter]: For program point L1742(lines 1742 1756) no Hoare annotation was computed. [2018-12-08 15:04:33,442 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1756) no Hoare annotation was computed. [2018-12-08 15:04:33,442 INFO L448 ceAbstractionStarter]: For program point L1672(lines 1672 1756) no Hoare annotation was computed. [2018-12-08 15:04:33,443 INFO L448 ceAbstractionStarter]: For program point L1701(lines 1701 1756) no Hoare annotation was computed. [2018-12-08 15:04:33,443 INFO L448 ceAbstractionStarter]: For program point L1668(lines 1668 1756) no Hoare annotation was computed. [2018-12-08 15:04:33,443 INFO L448 ceAbstractionStarter]: For program point L1722(lines 1722 1756) no Hoare annotation was computed. [2018-12-08 15:04:33,443 INFO L448 ceAbstractionStarter]: For program point L1685(lines 1685 1756) no Hoare annotation was computed. [2018-12-08 15:04:33,443 INFO L448 ceAbstractionStarter]: For program point L1710(lines 1710 1721) no Hoare annotation was computed. [2018-12-08 15:04:33,443 INFO L448 ceAbstractionStarter]: For program point L1710-2(lines 1710 1721) no Hoare annotation was computed. [2018-12-08 15:04:33,443 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1658 1758) no Hoare annotation was computed. [2018-12-08 15:04:33,443 INFO L448 ceAbstractionStarter]: For program point L1706(lines 1706 1756) no Hoare annotation was computed. [2018-12-08 15:04:33,443 INFO L448 ceAbstractionStarter]: For program point L1735(lines 1735 1756) no Hoare annotation was computed. [2018-12-08 15:04:33,443 INFO L448 ceAbstractionStarter]: For program point L1694(lines 1694 1756) no Hoare annotation was computed. [2018-12-08 15:04:33,443 INFO L448 ceAbstractionStarter]: For program point L1661(lines 1661 1756) no Hoare annotation was computed. [2018-12-08 15:04:33,443 INFO L448 ceAbstractionStarter]: For program point L1686(lines 1686 1693) no Hoare annotation was computed. [2018-12-08 15:04:33,443 INFO L448 ceAbstractionStarter]: For program point L1686-2(lines 1686 1693) no Hoare annotation was computed. [2018-12-08 15:04:33,443 INFO L448 ceAbstractionStarter]: For program point L1678(lines 1678 1756) no Hoare annotation was computed. [2018-12-08 15:04:33,443 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,443 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,443 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,443 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,443 INFO L448 ceAbstractionStarter]: For program point L895(lines 895 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,443 INFO L448 ceAbstractionStarter]: For program point L829(lines 829 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,443 INFO L448 ceAbstractionStarter]: For program point L433(lines 433 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,443 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,443 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-08 15:04:33,443 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-08 15:04:33,444 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-08 15:04:33,444 INFO L448 ceAbstractionStarter]: For program point L830(lines 830 839) no Hoare annotation was computed. [2018-12-08 15:04:33,444 INFO L448 ceAbstractionStarter]: For program point L830-2(lines 830 839) no Hoare annotation was computed. [2018-12-08 15:04:33,444 INFO L448 ceAbstractionStarter]: For program point L1623(lines 1623 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,444 INFO L448 ceAbstractionStarter]: For program point L1359(lines 1359 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,444 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,444 INFO L448 ceAbstractionStarter]: For program point L1162(lines 1162 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,444 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,444 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,444 INFO L448 ceAbstractionStarter]: For program point L1030(lines 1030 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,444 INFO L448 ceAbstractionStarter]: For program point L634(lines 634 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,444 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,444 INFO L448 ceAbstractionStarter]: For program point L502(lines 502 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,444 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-08 15:04:33,444 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-08 15:04:33,444 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-08 15:04:33,444 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,444 INFO L448 ceAbstractionStarter]: For program point L1494(lines 1494 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,444 INFO L448 ceAbstractionStarter]: For program point L1098(lines 1098 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,444 INFO L448 ceAbstractionStarter]: For program point L966(lines 966 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,444 INFO L448 ceAbstractionStarter]: For program point L768(lines 768 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,444 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,444 INFO L448 ceAbstractionStarter]: For program point L1231(lines 1231 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,444 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,444 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,444 INFO L448 ceAbstractionStarter]: For program point L1099(lines 1099 1107) no Hoare annotation was computed. [2018-12-08 15:04:33,445 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,445 INFO L448 ceAbstractionStarter]: For program point L1099-2(lines 1099 1107) no Hoare annotation was computed. [2018-12-08 15:04:33,445 INFO L448 ceAbstractionStarter]: For program point L901(lines 901 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,445 INFO L448 ceAbstractionStarter]: For program point L439(lines 439 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,445 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,445 INFO L448 ceAbstractionStarter]: For program point L307(lines 307 319) no Hoare annotation was computed. [2018-12-08 15:04:33,445 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,445 INFO L448 ceAbstractionStarter]: For program point L307-2(lines 307 319) no Hoare annotation was computed. [2018-12-08 15:04:33,445 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-08 15:04:33,445 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-08 15:04:33,445 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-08 15:04:33,445 INFO L448 ceAbstractionStarter]: For program point L1629(lines 1629 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,445 INFO L448 ceAbstractionStarter]: For program point L1431(lines 1431 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,445 INFO L448 ceAbstractionStarter]: For program point L1365(lines 1365 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,445 INFO L448 ceAbstractionStarter]: For program point L1035(lines 1035 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,445 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,445 INFO L448 ceAbstractionStarter]: For program point L1300(lines 1300 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,445 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,445 INFO L448 ceAbstractionStarter]: For program point L1168(lines 1168 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,445 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,445 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,445 INFO L448 ceAbstractionStarter]: For program point L574(lines 574 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,445 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-08 15:04:33,445 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-08 15:04:33,445 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-08 15:04:33,446 INFO L448 ceAbstractionStarter]: For program point L707(lines 707 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,446 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,446 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 586) no Hoare annotation was computed. [2018-12-08 15:04:33,446 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,446 INFO L448 ceAbstractionStarter]: For program point L575-2(lines 575 586) no Hoare annotation was computed. [2018-12-08 15:04:33,446 INFO L448 ceAbstractionStarter]: For program point L1038(lines 1038 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,446 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,446 INFO L448 ceAbstractionStarter]: For program point L774(lines 774 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,446 INFO L448 ceAbstractionStarter]: For program point L642(lines 642 651) no Hoare annotation was computed. [2018-12-08 15:04:33,446 INFO L448 ceAbstractionStarter]: For program point L642-2(lines 642 651) no Hoare annotation was computed. [2018-12-08 15:04:33,446 INFO L448 ceAbstractionStarter]: For program point L1501(lines 1501 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,446 INFO L448 ceAbstractionStarter]: For program point L1237(lines 1237 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,446 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,446 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,446 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,446 INFO L448 ceAbstractionStarter]: For program point L973(lines 973 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,446 INFO L448 ceAbstractionStarter]: For program point L907(lines 907 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,446 INFO L448 ceAbstractionStarter]: For program point L445(lines 445 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,446 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,446 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-08 15:04:33,446 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,446 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-08 15:04:33,446 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-08 15:04:33,446 INFO L448 ceAbstractionStarter]: For program point L1635(lines 1635 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,446 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,446 INFO L448 ceAbstractionStarter]: For program point L1371(lines 1371 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,447 INFO L448 ceAbstractionStarter]: For program point L1570(lines 1570 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,447 INFO L448 ceAbstractionStarter]: For program point L1438(lines 1438 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,447 INFO L448 ceAbstractionStarter]: For program point L1306(lines 1306 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,447 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,447 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,447 INFO L448 ceAbstractionStarter]: For program point L1108(lines 1108 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,447 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,447 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,447 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,447 INFO L448 ceAbstractionStarter]: For program point L1571(lines 1571 1581) no Hoare annotation was computed. [2018-12-08 15:04:33,447 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,447 INFO L448 ceAbstractionStarter]: For program point L1571-2(lines 1571 1581) no Hoare annotation was computed. [2018-12-08 15:04:33,447 INFO L448 ceAbstractionStarter]: For program point L1439(lines 1439 1448) no Hoare annotation was computed. [2018-12-08 15:04:33,447 INFO L448 ceAbstractionStarter]: For program point L1439-2(lines 1439 1448) no Hoare annotation was computed. [2018-12-08 15:04:33,447 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-08 15:04:33,447 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-08 15:04:33,447 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-08 15:04:33,447 INFO L448 ceAbstractionStarter]: For program point L845(lines 845 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,447 INFO L448 ceAbstractionStarter]: For program point L779(lines 779 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,447 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,447 INFO L448 ceAbstractionStarter]: For program point L1044(lines 1044 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,447 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,447 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,447 INFO L448 ceAbstractionStarter]: For program point L1243(lines 1243 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,447 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,448 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,448 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,448 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,448 INFO L448 ceAbstractionStarter]: For program point L1640(lines 1640 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,448 INFO L448 ceAbstractionStarter]: For program point L1508(lines 1508 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,448 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,448 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-08 15:04:33,448 INFO L448 ceAbstractionStarter]: For program point L1178(lines 1178 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,448 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-08 15:04:33,448 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-08 15:04:33,448 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,448 INFO L448 ceAbstractionStarter]: For program point L1378(lines 1378 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,448 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,448 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,448 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,448 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,448 INFO L448 ceAbstractionStarter]: For program point L652(lines 652 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,448 INFO L448 ceAbstractionStarter]: For program point L520(lines 520 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,448 INFO L448 ceAbstractionStarter]: For program point L1511(lines 1511 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,448 INFO L448 ceAbstractionStarter]: For program point L1313(lines 1313 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,448 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-08 15:04:33,448 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-08 15:04:33,448 INFO L448 ceAbstractionStarter]: For program point L1115(lines 1115 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,448 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-08 15:04:33,448 INFO L448 ceAbstractionStarter]: For program point L1049(lines 1049 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,448 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,449 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,449 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 528) no Hoare annotation was computed. [2018-12-08 15:04:33,449 INFO L448 ceAbstractionStarter]: For program point L521-2(lines 521 528) no Hoare annotation was computed. [2018-12-08 15:04:33,449 INFO L448 ceAbstractionStarter]: For program point L1050(lines 1050 1061) no Hoare annotation was computed. [2018-12-08 15:04:33,449 INFO L448 ceAbstractionStarter]: For program point L1050-2(lines 1050 1061) no Hoare annotation was computed. [2018-12-08 15:04:33,449 INFO L448 ceAbstractionStarter]: For program point L786(lines 786 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,449 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1656) the Hoare annotation is: (let ((.cse33 (+ ~a4~0 85)) (.cse32 (+ |old(~a4~0)| 85))) (let ((.cse10 (< .cse32 0)) (.cse9 (< 0 (+ |old(~a0~0)| 147))) (.cse15 (< |old(~a2~0)| 3)) (.cse27 (+ |old(~a0~0)| 98)) (.cse22 (<= 0 .cse33)) (.cse5 (= ~a2~0 2)) (.cse30 (= 3 |old(~a2~0)|)) (.cse18 (= |old(~a2~0)| ~a2~0)) (.cse3 (= ~a29~0 |old(~a29~0)|)) (.cse4 (< .cse33 0)) (.cse6 (= ~a0~0 |old(~a0~0)|)) (.cse19 (<= (+ |old(~a29~0)| 144) 0)) (.cse2 (<= 0 .cse32))) (let ((.cse8 (+ |old(~a0~0)| 44)) (.cse13 (or (< 2 |old(~a2~0)|) .cse19 (exists ((v_prenex_12 Int)) (let ((.cse31 (* 9 v_prenex_12))) (and (= 0 (mod .cse31 10)) (<= 588645 (div .cse31 10)) (<= v_prenex_12 |old(~a0~0)|)))) .cse2)) (.cse14 (and .cse18 .cse3 .cse4 .cse6)) (.cse20 (not .cse30)) (.cse26 (= 3 ~a2~0)) (.cse11 (and .cse22 .cse3 .cse5 .cse6)) (.cse1 (not (= 2 |old(~a2~0)|))) (.cse16 (< 0 .cse27)) (.cse25 (not (= 4 |old(~a2~0)|))) (.cse17 (or .cse30 .cse9 .cse15)) (.cse23 (or .cse10 .cse19)) (.cse21 (forall ((v_prenex_13 Int)) (let ((.cse29 (mod v_prenex_13 63))) (or (not (= .cse29 0)) (< 0 (+ v_prenex_13 144)) (< .cse29 (+ |old(~a29~0)| 80)))))) (.cse24 (and .cse18 .cse22 (< 0 (+ ~a29~0 144)) .cse3 (not (= ~a2~0 3)) .cse2 .cse6 (<= ~a2~0 3))) (.cse7 (not (= 1 |old(~a2~0)|))) (.cse12 (= ~a2~0 |old(~a2~0)|)) (.cse0 (exists ((v_~a0~0_1000 Int)) (let ((.cse28 (* 9 v_~a0~0_1000))) (and (<= 556427 (div .cse28 10)) (<= 0 .cse28) (<= v_~a0~0_1000 |old(~a0~0)|)))))) (and (or (or .cse0 (or .cse1 .cse2)) (and .cse3 .cse4 .cse5 .cse6)) (or .cse7 (not (= 0 (+ |old(~a29~0)| 127))) (= |calculate_output_#in~input| 0) (not (= 0 .cse8)) (= (+ ~a4~0 89) 0) (not (= 0 (+ |old(~a4~0)| 89)))) (or .cse9 .cse10 .cse11 .cse1) (or (and (and .cse3 .cse4 .cse6) .cse12) .cse7 (or .cse13 .cse0)) (or .cse14 .cse15 .cse2 .cse16) (or .cse17 (and .cse18 .cse3 .cse6)) (or (and (and .cse18 .cse3) .cse6) .cse0 (or (or (< .cse8 0) .cse19) .cse20)) (or .cse14 .cse16 (or (< |old(~a29~0)| 44) .cse13)) (or .cse7 .cse10 .cse21 (and .cse22 .cse3 (= 1 ~a2~0) .cse6) .cse16) (or .cse23 (< 0 (+ |old(~a29~0)| 18)) .cse7 .cse16 .cse24) (or .cse7 (or .cse9 .cse10) (and .cse18 .cse22 .cse3 .cse6)) (or .cse10 .cse19 .cse15 .cse16 (and .cse22 .cse3 .cse18 .cse6)) (or .cse0 (and .cse3 .cse4 .cse6 (= 4 ~a2~0)) (or .cse25 .cse2)) (or .cse9 .cse14 .cse2) (or (or .cse2 .cse20) .cse0 (and .cse3 .cse4 .cse6 .cse26)) (or (or (or .cse10 .cse20) .cse16) (and .cse22 .cse3 .cse6 .cse26)) (or .cse10 .cse19 .cse11 .cse1 .cse16) (or (or .cse25 .cse10 .cse17) .cse22) (or .cse23 .cse7 .cse21 .cse0 .cse24) (or .cse7 .cse0 (and (and .cse3 .cse4) .cse12 .cse6) (or (<= .cse27 0) .cse2)) (or (or .cse19 .cse15 .cse2) .cse0 (and .cse3 .cse18 .cse4 .cse6)))))) [2018-12-08 15:04:33,449 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,449 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,449 INFO L448 ceAbstractionStarter]: For program point L1249(lines 1249 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,449 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,449 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,449 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,449 INFO L448 ceAbstractionStarter]: For program point L985(lines 985 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,449 INFO L448 ceAbstractionStarter]: For program point L919(lines 919 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,449 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 402) no Hoare annotation was computed. [2018-12-08 15:04:33,449 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 391 402) no Hoare annotation was computed. [2018-12-08 15:04:33,450 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-08 15:04:33,450 INFO L448 ceAbstractionStarter]: For program point L1184(lines 1184 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,450 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-08 15:04:33,450 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-08 15:04:33,450 INFO L448 ceAbstractionStarter]: For program point L1647(lines 1647 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,450 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,450 INFO L448 ceAbstractionStarter]: For program point L1317(lines 1317 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,450 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,450 INFO L448 ceAbstractionStarter]: For program point L855(lines 855 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,450 INFO L448 ceAbstractionStarter]: For program point L657(lines 657 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,450 INFO L448 ceAbstractionStarter]: For program point L1582(lines 1582 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,450 INFO L448 ceAbstractionStarter]: For program point L1516(lines 1516 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,450 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,450 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,450 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,450 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,450 INFO L448 ceAbstractionStarter]: For program point L1385(lines 1385 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,450 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-08 15:04:33,450 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-08 15:04:33,450 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-08 15:04:33,450 INFO L448 ceAbstractionStarter]: For program point L725(lines 725 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,450 INFO L448 ceAbstractionStarter]: For program point L1122(lines 1122 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,450 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,450 INFO L448 ceAbstractionStarter]: For program point L462(lines 462 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,450 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,450 INFO L448 ceAbstractionStarter]: For program point L1255(lines 1255 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,451 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,451 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,451 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,451 INFO L448 ceAbstractionStarter]: For program point L925(lines 925 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,451 INFO L448 ceAbstractionStarter]: For program point L793(lines 793 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,451 INFO L448 ceAbstractionStarter]: For program point L595(lines 595 605) no Hoare annotation was computed. [2018-12-08 15:04:33,451 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,451 INFO L448 ceAbstractionStarter]: For program point L595-2(lines 595 605) no Hoare annotation was computed. [2018-12-08 15:04:33,451 INFO L448 ceAbstractionStarter]: For program point L1388(lines 1388 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,451 INFO L448 ceAbstractionStarter]: For program point L1322(lines 1322 1332) no Hoare annotation was computed. [2018-12-08 15:04:33,451 INFO L448 ceAbstractionStarter]: For program point L1322-2(lines 1322 1332) no Hoare annotation was computed. [2018-12-08 15:04:33,451 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-08 15:04:33,451 INFO L448 ceAbstractionStarter]: For program point L1190(lines 1190 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,451 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-08 15:04:33,451 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-08 15:04:33,451 INFO L448 ceAbstractionStarter]: For program point L992(lines 992 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,451 INFO L448 ceAbstractionStarter]: For program point L794(lines 794 803) no Hoare annotation was computed. [2018-12-08 15:04:33,451 INFO L448 ceAbstractionStarter]: For program point L794-2(lines 794 803) no Hoare annotation was computed. [2018-12-08 15:04:33,451 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,451 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 541) no Hoare annotation was computed. [2018-12-08 15:04:33,451 INFO L448 ceAbstractionStarter]: For program point L530-2(lines 530 541) no Hoare annotation was computed. [2018-12-08 15:04:33,451 INFO L448 ceAbstractionStarter]: For program point L266(lines 266 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,451 INFO L448 ceAbstractionStarter]: For program point L1522(lines 1522 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,451 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,451 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,452 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,452 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,452 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,452 INFO L448 ceAbstractionStarter]: For program point L862(lines 862 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,452 INFO L444 ceAbstractionStarter]: At program point L1655(line 1655) the Hoare annotation is: (let ((.cse33 (+ ~a4~0 85)) (.cse32 (+ |old(~a4~0)| 85))) (let ((.cse8 (< .cse32 0)) (.cse7 (< 0 (+ |old(~a0~0)| 147))) (.cse14 (< |old(~a2~0)| 3)) (.cse27 (+ |old(~a0~0)| 98)) (.cse22 (<= 0 .cse33)) (.cse5 (= ~a2~0 2)) (.cse30 (= 3 |old(~a2~0)|)) (.cse17 (= |old(~a2~0)| ~a2~0)) (.cse3 (= ~a29~0 |old(~a29~0)|)) (.cse4 (< .cse33 0)) (.cse6 (= ~a0~0 |old(~a0~0)|)) (.cse19 (<= (+ |old(~a29~0)| 144) 0)) (.cse2 (<= 0 .cse32))) (let ((.cse12 (or (< 2 |old(~a2~0)|) .cse19 (exists ((v_prenex_12 Int)) (let ((.cse31 (* 9 v_prenex_12))) (and (= 0 (mod .cse31 10)) (<= 588645 (div .cse31 10)) (<= v_prenex_12 |old(~a0~0)|)))) .cse2)) (.cse18 (+ |old(~a0~0)| 44)) (.cse13 (and .cse17 .cse3 .cse4 .cse6)) (.cse20 (not .cse30)) (.cse26 (= 3 ~a2~0)) (.cse9 (and .cse22 .cse3 .cse5 .cse6)) (.cse1 (not (= 2 |old(~a2~0)|))) (.cse15 (< 0 .cse27)) (.cse25 (not (= 4 |old(~a2~0)|))) (.cse16 (or .cse30 .cse7 .cse14)) (.cse23 (or .cse8 .cse19)) (.cse21 (forall ((v_prenex_13 Int)) (let ((.cse29 (mod v_prenex_13 63))) (or (not (= .cse29 0)) (< 0 (+ v_prenex_13 144)) (< .cse29 (+ |old(~a29~0)| 80)))))) (.cse24 (and .cse17 .cse22 (< 0 (+ ~a29~0 144)) .cse3 (not (= ~a2~0 3)) .cse2 .cse6 (<= ~a2~0 3))) (.cse11 (not (= 1 |old(~a2~0)|))) (.cse10 (= ~a2~0 |old(~a2~0)|)) (.cse0 (exists ((v_~a0~0_1000 Int)) (let ((.cse28 (* 9 v_~a0~0_1000))) (and (<= 556427 (div .cse28 10)) (<= 0 .cse28) (<= v_~a0~0_1000 |old(~a0~0)|)))))) (and (or (or .cse0 (or .cse1 .cse2)) (and .cse3 .cse4 .cse5 .cse6)) (or .cse7 .cse8 .cse9 .cse1) (or (and (and .cse3 .cse4 .cse6) .cse10) .cse11 (or .cse12 .cse0)) (or .cse13 .cse14 .cse2 .cse15) (or .cse16 (and .cse17 .cse3 .cse6)) (or (and (and .cse17 .cse3) .cse6) .cse0 (or (or (< .cse18 0) .cse19) .cse20)) (or .cse13 .cse15 (or (< |old(~a29~0)| 44) .cse12)) (or .cse11 .cse8 .cse21 (and .cse22 .cse3 (= 1 ~a2~0) .cse6) .cse15) (or .cse23 (< 0 (+ |old(~a29~0)| 18)) .cse11 .cse15 .cse24) (or .cse11 (or .cse7 .cse8) (and .cse17 .cse22 .cse3 .cse6)) (or .cse8 .cse19 .cse14 .cse15 (and .cse22 .cse3 .cse17 .cse6)) (or .cse0 (and .cse3 .cse4 .cse6 (= 4 ~a2~0)) (or .cse25 .cse2)) (or .cse11 (not (= 0 (+ |old(~a29~0)| 127))) (= |calculate_output_#in~input| 0) (not (= 0 .cse18)) (not (= 0 (+ |old(~a4~0)| 89))) (and (not (= calculate_output_~input 0)) (= (+ ~a4~0 89) 0))) (or .cse7 .cse13 .cse2) (or (or .cse2 .cse20) .cse0 (and .cse3 .cse4 .cse6 .cse26)) (or (or (or .cse8 .cse20) .cse15) (and .cse22 .cse3 .cse6 .cse26)) (or .cse8 .cse19 .cse9 .cse1 .cse15) (or (or .cse25 .cse8 .cse16) .cse22) (or .cse23 .cse11 .cse21 .cse0 .cse24) (or .cse11 .cse0 (and (and .cse3 .cse4) .cse10 .cse6) (or (<= .cse27 0) .cse2)) (or (or .cse19 .cse14 .cse2) .cse0 (and .cse3 .cse17 .cse4 .cse6)))))) [2018-12-08 15:04:33,452 INFO L448 ceAbstractionStarter]: For program point L1655-1(line 1655) no Hoare annotation was computed. [2018-12-08 15:04:33,452 INFO L448 ceAbstractionStarter]: For program point L1589(lines 1589 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,452 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-08 15:04:33,452 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-08 15:04:33,452 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-08 15:04:33,452 INFO L448 ceAbstractionStarter]: For program point L1128(lines 1128 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,452 INFO L448 ceAbstractionStarter]: For program point L1062(lines 1062 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,452 INFO L448 ceAbstractionStarter]: For program point L930(lines 930 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,452 INFO L448 ceAbstractionStarter]: For program point L732(lines 732 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,452 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2018-12-08 15:04:33,453 INFO L448 ceAbstractionStarter]: For program point L468(lines 468 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,453 INFO L448 ceAbstractionStarter]: For program point L336(lines 336 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,453 INFO L448 ceAbstractionStarter]: For program point L1261(lines 1261 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,453 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,453 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,453 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,453 INFO L448 ceAbstractionStarter]: For program point L1063(lines 1063 1073) no Hoare annotation was computed. [2018-12-08 15:04:33,453 INFO L448 ceAbstractionStarter]: For program point L1063-2(lines 1063 1073) no Hoare annotation was computed. [2018-12-08 15:04:33,453 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,453 INFO L448 ceAbstractionStarter]: For program point L1394(lines 1394 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,453 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-08 15:04:33,453 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-08 15:04:33,453 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-08 15:04:33,453 INFO L448 ceAbstractionStarter]: For program point L998(lines 998 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,453 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,453 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,453 INFO L448 ceAbstractionStarter]: For program point L1395(lines 1395 1407) no Hoare annotation was computed. [2018-12-08 15:04:33,453 INFO L448 ceAbstractionStarter]: For program point L1395-2(lines 1395 1407) no Hoare annotation was computed. [2018-12-08 15:04:33,453 INFO L448 ceAbstractionStarter]: For program point L1197(lines 1197 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,453 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,453 INFO L448 ceAbstractionStarter]: For program point L1528(lines 1528 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,453 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,453 INFO L448 ceAbstractionStarter]: For program point L1264(lines 1264 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,453 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,453 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,454 INFO L448 ceAbstractionStarter]: For program point L868(lines 868 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,454 INFO L448 ceAbstractionStarter]: For program point L1595(lines 1595 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,454 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-08 15:04:33,454 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-08 15:04:33,454 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,454 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,454 INFO L448 ceAbstractionStarter]: For program point L1134(lines 1134 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,454 INFO L448 ceAbstractionStarter]: For program point L804(lines 804 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,454 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,454 INFO L448 ceAbstractionStarter]: For program point L474(lines 474 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,454 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,454 INFO L448 ceAbstractionStarter]: For program point L342(lines 342 349) no Hoare annotation was computed. [2018-12-08 15:04:33,454 INFO L448 ceAbstractionStarter]: For program point L1333(lines 1333 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,454 INFO L448 ceAbstractionStarter]: For program point L342-2(lines 342 349) no Hoare annotation was computed. [2018-12-08 15:04:33,454 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,454 INFO L448 ceAbstractionStarter]: For program point L1135(lines 1135 1144) no Hoare annotation was computed. [2018-12-08 15:04:33,454 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,454 INFO L448 ceAbstractionStarter]: For program point L1135-2(lines 1135 1144) no Hoare annotation was computed. [2018-12-08 15:04:33,454 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,454 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-08 15:04:33,454 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-08 15:04:33,454 INFO L448 ceAbstractionStarter]: For program point L1004(lines 1004 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,454 INFO L448 ceAbstractionStarter]: For program point L542(lines 542 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,454 INFO L448 ceAbstractionStarter]: For program point L1533(lines 1533 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,454 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,455 INFO L448 ceAbstractionStarter]: For program point L1203(lines 1203 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,455 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,455 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,455 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,455 INFO L448 ceAbstractionStarter]: For program point L874(lines 874 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,455 INFO L448 ceAbstractionStarter]: For program point L742(lines 742 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,455 INFO L448 ceAbstractionStarter]: For program point L1271(lines 1271 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,455 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,455 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-08 15:04:33,455 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-08 15:04:33,455 INFO L448 ceAbstractionStarter]: For program point L1602(lines 1602 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,455 INFO L448 ceAbstractionStarter]: For program point L479(lines 479 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,455 INFO L448 ceAbstractionStarter]: For program point L1338(lines 1338 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,455 INFO L448 ceAbstractionStarter]: For program point L1074(lines 1074 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,455 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,455 INFO L448 ceAbstractionStarter]: For program point L546(lines 546 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,455 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,455 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,455 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,455 INFO L448 ceAbstractionStarter]: For program point L811(lines 811 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,455 INFO L448 ceAbstractionStarter]: For program point L613(lines 613 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,455 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 556) no Hoare annotation was computed. [2018-12-08 15:04:33,455 INFO L448 ceAbstractionStarter]: For program point L547-2(lines 547 556) no Hoare annotation was computed. [2018-12-08 15:04:33,455 INFO L448 ceAbstractionStarter]: For program point L415(lines 415 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,455 INFO L448 ceAbstractionStarter]: For program point L1208(lines 1208 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,456 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-08 15:04:33,456 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-08 15:04:33,456 INFO L448 ceAbstractionStarter]: For program point L1473(lines 1473 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,456 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,456 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,456 INFO L448 ceAbstractionStarter]: For program point L681(lines 681 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,456 INFO L448 ceAbstractionStarter]: For program point L1606(lines 1606 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,456 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,456 INFO L448 ceAbstractionStarter]: For program point L1408(lines 1408 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,456 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,456 INFO L448 ceAbstractionStarter]: For program point L219(lines 219 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,456 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,456 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,456 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,456 INFO L448 ceAbstractionStarter]: For program point L748(lines 748 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,456 INFO L448 ceAbstractionStarter]: For program point L1277(lines 1277 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,456 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 228) no Hoare annotation was computed. [2018-12-08 15:04:33,456 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-08 15:04:33,456 INFO L448 ceAbstractionStarter]: For program point L220-2(lines 220 228) no Hoare annotation was computed. [2018-12-08 15:04:33,456 INFO L448 ceAbstractionStarter]: For program point L1145(lines 1145 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,456 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-08 15:04:33,456 INFO L448 ceAbstractionStarter]: For program point L1344(lines 1344 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,456 INFO L448 ceAbstractionStarter]: For program point L1212(lines 1212 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,456 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,456 INFO L448 ceAbstractionStarter]: For program point L486(lines 486 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,456 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,456 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,457 INFO L448 ceAbstractionStarter]: For program point L1081(lines 1081 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,457 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-08 15:04:33,457 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,457 INFO L448 ceAbstractionStarter]: For program point L817(lines 817 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,457 INFO L448 ceAbstractionStarter]: For program point L1478(lines 1478 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,457 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,457 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-08 15:04:33,457 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-08 15:04:33,457 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-08 15:04:33,457 INFO L448 ceAbstractionStarter]: For program point L1016(lines 1016 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,457 INFO L448 ceAbstractionStarter]: For program point L620(lines 620 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,457 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,457 INFO L448 ceAbstractionStarter]: For program point L1413(lines 1413 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,457 INFO L448 ceAbstractionStarter]: For program point L885(lines 885 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,457 INFO L448 ceAbstractionStarter]: For program point L687(lines 687 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,457 INFO L448 ceAbstractionStarter]: For program point L1612(lines 1612 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,457 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,457 INFO L448 ceAbstractionStarter]: For program point L1150(lines 1150 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,457 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,457 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,457 INFO L448 ceAbstractionStarter]: For program point L886(lines 886 894) no Hoare annotation was computed. [2018-12-08 15:04:33,457 INFO L448 ceAbstractionStarter]: For program point L886-2(lines 886 894) no Hoare annotation was computed. [2018-12-08 15:04:33,457 INFO L448 ceAbstractionStarter]: For program point L754(lines 754 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,457 INFO L448 ceAbstractionStarter]: For program point L1613(lines 1613 1622) no Hoare annotation was computed. [2018-12-08 15:04:33,457 INFO L448 ceAbstractionStarter]: For program point L1547(lines 1547 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,457 INFO L448 ceAbstractionStarter]: For program point L1613-2(lines 1613 1622) no Hoare annotation was computed. [2018-12-08 15:04:33,457 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,458 INFO L448 ceAbstractionStarter]: For program point L1283(lines 1283 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,458 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-08 15:04:33,458 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-08 15:04:33,458 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-08 15:04:33,458 INFO L448 ceAbstractionStarter]: For program point L1019(lines 1019 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,458 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,458 INFO L448 ceAbstractionStarter]: For program point L491(lines 491 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,458 INFO L448 ceAbstractionStarter]: For program point L1482(lines 1482 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,458 INFO L448 ceAbstractionStarter]: For program point L1350(lines 1350 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,458 INFO L448 ceAbstractionStarter]: For program point L1218(lines 1218 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,458 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,458 INFO L448 ceAbstractionStarter]: For program point L558(lines 558 568) no Hoare annotation was computed. [2018-12-08 15:04:33,458 INFO L448 ceAbstractionStarter]: For program point L558-2(lines 558 568) no Hoare annotation was computed. [2018-12-08 15:04:33,458 INFO L448 ceAbstractionStarter]: For program point L1351(lines 1351 1358) no Hoare annotation was computed. [2018-12-08 15:04:33,458 INFO L448 ceAbstractionStarter]: For program point L1351-2(lines 1351 1358) no Hoare annotation was computed. [2018-12-08 15:04:33,458 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,458 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,458 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,458 INFO L448 ceAbstractionStarter]: For program point L955(lines 955 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,458 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,458 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,458 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-08 15:04:33,458 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-08 15:04:33,458 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-08 15:04:33,458 INFO L448 ceAbstractionStarter]: For program point L824(lines 824 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,458 INFO L448 ceAbstractionStarter]: For program point L428(lines 428 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,458 INFO L448 ceAbstractionStarter]: For program point L1419(lines 1419 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,459 INFO L448 ceAbstractionStarter]: For program point L693(lines 693 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,459 INFO L448 ceAbstractionStarter]: For program point L627(lines 627 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,459 INFO L448 ceAbstractionStarter]: For program point L1420(lines 1420 1430) no Hoare annotation was computed. [2018-12-08 15:04:33,459 INFO L448 ceAbstractionStarter]: For program point L1420-2(lines 1420 1430) no Hoare annotation was computed. [2018-12-08 15:04:33,459 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,459 INFO L448 ceAbstractionStarter]: For program point L1156(lines 1156 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,459 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,459 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1656) no Hoare annotation was computed. [2018-12-08 15:04:33,459 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 706) no Hoare annotation was computed. [2018-12-08 15:04:33,459 INFO L448 ceAbstractionStarter]: For program point L694-2(lines 694 706) no Hoare annotation was computed. [2018-12-08 15:04:33,459 INFO L448 ceAbstractionStarter]: For program point L1289(lines 1289 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,459 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-08 15:04:33,459 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-08 15:04:33,459 INFO L448 ceAbstractionStarter]: For program point L1091(lines 1091 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,459 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-08 15:04:33,459 INFO L448 ceAbstractionStarter]: For program point L959(lines 959 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,459 INFO L448 ceAbstractionStarter]: For program point L761(lines 761 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,459 INFO L448 ceAbstractionStarter]: For program point L1554(lines 1554 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,459 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,459 INFO L448 ceAbstractionStarter]: For program point L1488(lines 1488 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,459 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,459 INFO L448 ceAbstractionStarter]: For program point L1290(lines 1290 1299) no Hoare annotation was computed. [2018-12-08 15:04:33,459 INFO L448 ceAbstractionStarter]: For program point L1224(lines 1224 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,459 INFO L448 ceAbstractionStarter]: For program point L1290-2(lines 1290 1299) no Hoare annotation was computed. [2018-12-08 15:04:33,459 INFO L448 ceAbstractionStarter]: For program point L1026(lines 1026 1654) no Hoare annotation was computed. [2018-12-08 15:04:33,460 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 15:04:33,460 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= (+ ~a0~0 44) 0) (= (+ ~a4~0 89) 0) (= 1 ~a2~0) (= (+ ~a29~0 127) 0)) [2018-12-08 15:04:33,460 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 15:04:33,460 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 15:04:33,460 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1760 1776) the Hoare annotation is: (or (not (= 1 |old(~a2~0)|)) (not (= 0 (+ |old(~a29~0)| 127))) (not (= 0 (+ |old(~a0~0)| 44))) (not (= 0 (+ |old(~a4~0)| 89))) (and (= (+ ~a4~0 89) 0) (= 1 ~a2~0) (= ~a0~0 |old(~a0~0)|) (= (+ ~a29~0 127) 0))) [2018-12-08 15:04:33,460 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1760 1776) no Hoare annotation was computed. [2018-12-08 15:04:33,460 INFO L444 ceAbstractionStarter]: At program point L1774(line 1774) the Hoare annotation is: (let ((.cse9 (+ ~a0~0 98))) (let ((.cse7 (= 3 ~a2~0)) (.cse4 (<= .cse9 0)) (.cse6 (= ~a2~0 2)) (.cse10 (<= (+ ~a0~0 147) 0)) (.cse2 (<= 3 ~a2~0)) (.cse3 (= 1 ~a2~0)) (.cse0 (forall ((v_~a0~0_1000 Int)) (let ((.cse11 (* 9 v_~a0~0_1000))) (or (< ~a0~0 v_~a0~0_1000) (< (div .cse11 10) 556427) (< .cse11 0))))) (.cse5 (< 0 (+ ~a29~0 144))) (.cse1 (< (+ ~a4~0 85) 0))) (or (not (= 1 |old(~a2~0)|)) (and .cse0 .cse1 .cse2 (<= ~a2~0 4)) (not (= 0 (+ |old(~a0~0)| 44))) (and .cse3 (and (<= (+ ~a29~0 18) 0) .cse4 (< 0 (+ ~a4~0 86)))) (and .cse4 (and (<= 44 ~a29~0) .cse1)) (and .cse4 .cse5 .cse6) (and .cse0 (and (and .cse5 (<= 0 (+ ~a0~0 44))) .cse7)) (and .cse0 (exists ((v_prenex_13 Int)) (let ((.cse8 (mod v_prenex_13 63))) (and (= .cse8 0) (<= (+ v_prenex_13 144) 0) (<= (+ ~a29~0 80) .cse8)))) .cse5 .cse3) (and .cse0 (and .cse1 (< 0 .cse9)) .cse3) (and .cse4 .cse1 .cse2) (not (= 0 (+ |old(~a4~0)| 89))) (and .cse10 (= 2 ~a2~0)) (and .cse0 (and .cse5 .cse1 .cse2)) (not (= 0 (+ |old(~a29~0)| 127))) (and .cse4 .cse7) (and .cse1 .cse10) (and .cse3 .cse10) (and .cse4 .cse5 .cse2) (and .cse0 .cse1 .cse6) (and .cse10 .cse2) (and .cse3 (and .cse0 (and .cse5 .cse1)))))) [2018-12-08 15:04:33,460 INFO L448 ceAbstractionStarter]: For program point L1774-1(line 1774) no Hoare annotation was computed. [2018-12-08 15:04:33,460 INFO L448 ceAbstractionStarter]: For program point L1771(line 1771) no Hoare annotation was computed. [2018-12-08 15:04:33,460 INFO L444 ceAbstractionStarter]: At program point L1766-2(lines 1766 1775) the Hoare annotation is: (let ((.cse9 (+ ~a0~0 98))) (let ((.cse7 (= 3 ~a2~0)) (.cse4 (<= .cse9 0)) (.cse6 (= ~a2~0 2)) (.cse10 (<= (+ ~a0~0 147) 0)) (.cse2 (<= 3 ~a2~0)) (.cse3 (= 1 ~a2~0)) (.cse0 (forall ((v_~a0~0_1000 Int)) (let ((.cse11 (* 9 v_~a0~0_1000))) (or (< ~a0~0 v_~a0~0_1000) (< (div .cse11 10) 556427) (< .cse11 0))))) (.cse5 (< 0 (+ ~a29~0 144))) (.cse1 (< (+ ~a4~0 85) 0))) (or (not (= 1 |old(~a2~0)|)) (and .cse0 .cse1 .cse2 (<= ~a2~0 4)) (not (= 0 (+ |old(~a0~0)| 44))) (and .cse3 (and (<= (+ ~a29~0 18) 0) .cse4 (< 0 (+ ~a4~0 86)))) (and .cse4 (and (<= 44 ~a29~0) .cse1)) (and .cse4 .cse5 .cse6) (and .cse0 (and (and .cse5 (<= 0 (+ ~a0~0 44))) .cse7)) (and .cse0 (exists ((v_prenex_13 Int)) (let ((.cse8 (mod v_prenex_13 63))) (and (= .cse8 0) (<= (+ v_prenex_13 144) 0) (<= (+ ~a29~0 80) .cse8)))) .cse5 .cse3) (and .cse0 (and .cse1 (< 0 .cse9)) .cse3) (and .cse4 .cse1 .cse2) (not (= 0 (+ |old(~a4~0)| 89))) (and .cse10 (= 2 ~a2~0)) (and .cse0 (and .cse5 .cse1 .cse2)) (not (= 0 (+ |old(~a29~0)| 127))) (and .cse4 .cse7) (and .cse1 .cse10) (and .cse3 .cse10) (and .cse4 .cse5 .cse2) (and .cse0 .cse1 .cse6) (and .cse10 .cse2) (and .cse3 (and .cse0 (and .cse5 .cse1)))))) [2018-12-08 15:04:33,460 INFO L448 ceAbstractionStarter]: For program point L1766-3(lines 1760 1776) no Hoare annotation was computed. [2018-12-08 15:04:33,463 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,464 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,464 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,465 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,465 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,465 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,465 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,465 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,465 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,465 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-08 15:04:33,465 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-08 15:04:33,466 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-08 15:04:33,466 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,466 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,466 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,466 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,466 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,466 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,466 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,467 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,467 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,467 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,467 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,467 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,471 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,471 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,471 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,471 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,471 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,472 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,472 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,472 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,472 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,472 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-08 15:04:33,472 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-08 15:04:33,472 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-08 15:04:33,472 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,473 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,473 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,475 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,475 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,475 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,475 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,475 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,475 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,476 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,476 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,476 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 03:04:33 BoogieIcfgContainer [2018-12-08 15:04:33,477 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 15:04:33,477 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 15:04:33,478 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 15:04:33,478 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 15:04:33,478 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:01:46" (3/4) ... [2018-12-08 15:04:33,480 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 15:04:33,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 15:04:33,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-08 15:04:33,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 15:04:33,484 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 15:04:33,500 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-08 15:04:33,501 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 15:04:33,519 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((!(1 == \old(a2)) || ((((forall v_~a0~0_1000 : int :: (a0 < v_~a0~0_1000 || 9 * v_~a0~0_1000 / 10 < 556427) || 9 * v_~a0~0_1000 < 0) && a4 + 85 < 0) && 3 <= a2) && a2 <= 4)) || !(0 == \old(a0) + 44)) || (1 == a2 && (a29 + 18 <= 0 && a0 + 98 <= 0) && 0 < a4 + 86)) || (a0 + 98 <= 0 && 44 <= a29 && a4 + 85 < 0)) || ((a0 + 98 <= 0 && 0 < a29 + 144) && a2 == 2)) || ((forall v_~a0~0_1000 : int :: (a0 < v_~a0~0_1000 || 9 * v_~a0~0_1000 / 10 < 556427) || 9 * v_~a0~0_1000 < 0) && (0 < a29 + 144 && 0 <= a0 + 44) && 3 == a2)) || ((((forall v_~a0~0_1000 : int :: (a0 < v_~a0~0_1000 || 9 * v_~a0~0_1000 / 10 < 556427) || 9 * v_~a0~0_1000 < 0) && (\exists v_prenex_13 : int :: (v_prenex_13 % 63 == 0 && v_prenex_13 + 144 <= 0) && a29 + 80 <= v_prenex_13 % 63)) && 0 < a29 + 144) && 1 == a2)) || (((forall v_~a0~0_1000 : int :: (a0 < v_~a0~0_1000 || 9 * v_~a0~0_1000 / 10 < 556427) || 9 * v_~a0~0_1000 < 0) && a4 + 85 < 0 && 0 < a0 + 98) && 1 == a2)) || ((a0 + 98 <= 0 && a4 + 85 < 0) && 3 <= a2)) || !(0 == \old(a4) + 89)) || (a0 + 147 <= 0 && 2 == a2)) || ((forall v_~a0~0_1000 : int :: (a0 < v_~a0~0_1000 || 9 * v_~a0~0_1000 / 10 < 556427) || 9 * v_~a0~0_1000 < 0) && (0 < a29 + 144 && a4 + 85 < 0) && 3 <= a2)) || !(0 == \old(a29) + 127)) || (a0 + 98 <= 0 && 3 == a2)) || (a4 + 85 < 0 && a0 + 147 <= 0)) || (1 == a2 && a0 + 147 <= 0)) || ((a0 + 98 <= 0 && 0 < a29 + 144) && 3 <= a2)) || (((forall v_~a0~0_1000 : int :: (a0 < v_~a0~0_1000 || 9 * v_~a0~0_1000 / 10 < 556427) || 9 * v_~a0~0_1000 < 0) && a4 + 85 < 0) && a2 == 2)) || (a0 + 147 <= 0 && 3 <= a2)) || (1 == a2 && (forall v_~a0~0_1000 : int :: (a0 < v_~a0~0_1000 || 9 * v_~a0~0_1000 / 10 < 556427) || 9 * v_~a0~0_1000 < 0) && 0 < a29 + 144 && a4 + 85 < 0) [2018-12-08 15:04:33,599 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2187a16d-0738-4114-b77f-f1f8af81eecb/bin-2019/utaipan/witness.graphml [2018-12-08 15:04:33,599 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 15:04:33,600 INFO L168 Benchmark]: Toolchain (without parser) took 169163.64 ms. Allocated memory was 1.0 GB in the beginning and 4.8 GB in the end (delta: 3.8 GB). Free memory was 947.0 MB in the beginning and 3.4 GB in the end (delta: -2.4 GB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-08 15:04:33,600 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 15:04:33,601 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -148.3 MB). Peak memory consumption was 82.8 MB. Max. memory is 11.5 GB. [2018-12-08 15:04:33,601 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.32 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: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. [2018-12-08 15:04:33,601 INFO L168 Benchmark]: Boogie Preprocessor took 83.22 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: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-12-08 15:04:33,601 INFO L168 Benchmark]: RCFGBuilder took 1497.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 787.4 MB in the end (delta: 284.6 MB). Peak memory consumption was 284.6 MB. Max. memory is 11.5 GB. [2018-12-08 15:04:33,601 INFO L168 Benchmark]: TraceAbstraction took 166828.55 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 787.4 MB in the beginning and 3.5 GB in the end (delta: -2.7 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. [2018-12-08 15:04:33,601 INFO L168 Benchmark]: Witness Printer took 121.97 ms. Allocated memory is still 4.8 GB. Free memory was 3.5 GB in the beginning and 3.4 GB in the end (delta: 76.8 MB). Peak memory consumption was 76.8 MB. Max. memory is 11.5 GB. [2018-12-08 15:04:33,603 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 596.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -148.3 MB). Peak memory consumption was 82.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.32 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: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.22 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: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1497.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 787.4 MB in the end (delta: 284.6 MB). Peak memory consumption was 284.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 166828.55 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 787.4 MB in the beginning and 3.5 GB in the end (delta: -2.7 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. * Witness Printer took 121.97 ms. Allocated memory is still 4.8 GB. Free memory was 3.5 GB in the beginning and 3.4 GB in the end (delta: 76.8 MB). Peak memory consumption was 76.8 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_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 142]: 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: 1766]: Loop Invariant [2018-12-08 15:04:33,605 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,605 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,605 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,605 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,606 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,606 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,606 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,606 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,606 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,606 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-08 15:04:33,606 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-08 15:04:33,606 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-08 15:04:33,606 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,607 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,607 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,607 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,607 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,607 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,607 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,607 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,607 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,607 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,607 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,607 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,608 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,608 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,608 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,608 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,608 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,608 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,609 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,609 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,609 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,609 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-08 15:04:33,609 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-08 15:04:33,609 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-08 15:04:33,609 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,609 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,609 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,609 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,610 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,610 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,610 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,610 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,610 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,610 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,610 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-08 15:04:33,610 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] Derived loop invariant: (((((((((((((((((((!(1 == \old(a2)) || ((((forall v_~a0~0_1000 : int :: (a0 < v_~a0~0_1000 || 9 * v_~a0~0_1000 / 10 < 556427) || 9 * v_~a0~0_1000 < 0) && a4 + 85 < 0) && 3 <= a2) && a2 <= 4)) || !(0 == \old(a0) + 44)) || (1 == a2 && (a29 + 18 <= 0 && a0 + 98 <= 0) && 0 < a4 + 86)) || (a0 + 98 <= 0 && 44 <= a29 && a4 + 85 < 0)) || ((a0 + 98 <= 0 && 0 < a29 + 144) && a2 == 2)) || ((forall v_~a0~0_1000 : int :: (a0 < v_~a0~0_1000 || 9 * v_~a0~0_1000 / 10 < 556427) || 9 * v_~a0~0_1000 < 0) && (0 < a29 + 144 && 0 <= a0 + 44) && 3 == a2)) || ((((forall v_~a0~0_1000 : int :: (a0 < v_~a0~0_1000 || 9 * v_~a0~0_1000 / 10 < 556427) || 9 * v_~a0~0_1000 < 0) && (\exists v_prenex_13 : int :: (v_prenex_13 % 63 == 0 && v_prenex_13 + 144 <= 0) && a29 + 80 <= v_prenex_13 % 63)) && 0 < a29 + 144) && 1 == a2)) || (((forall v_~a0~0_1000 : int :: (a0 < v_~a0~0_1000 || 9 * v_~a0~0_1000 / 10 < 556427) || 9 * v_~a0~0_1000 < 0) && a4 + 85 < 0 && 0 < a0 + 98) && 1 == a2)) || ((a0 + 98 <= 0 && a4 + 85 < 0) && 3 <= a2)) || !(0 == \old(a4) + 89)) || (a0 + 147 <= 0 && 2 == a2)) || ((forall v_~a0~0_1000 : int :: (a0 < v_~a0~0_1000 || 9 * v_~a0~0_1000 / 10 < 556427) || 9 * v_~a0~0_1000 < 0) && (0 < a29 + 144 && a4 + 85 < 0) && 3 <= a2)) || !(0 == \old(a29) + 127)) || (a0 + 98 <= 0 && 3 == a2)) || (a4 + 85 < 0 && a0 + 147 <= 0)) || (1 == a2 && a0 + 147 <= 0)) || ((a0 + 98 <= 0 && 0 < a29 + 144) && 3 <= a2)) || (((forall v_~a0~0_1000 : int :: (a0 < v_~a0~0_1000 || 9 * v_~a0~0_1000 / 10 < 556427) || 9 * v_~a0~0_1000 < 0) && a4 + 85 < 0) && a2 == 2)) || (a0 + 147 <= 0 && 3 <= a2)) || (1 == a2 && (forall v_~a0~0_1000 : int :: (a0 < v_~a0~0_1000 || 9 * v_~a0~0_1000 / 10 < 556427) || 9 * v_~a0~0_1000 < 0) && 0 < a29 + 144 && a4 + 85 < 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 437 locations, 1 error locations. SAFE Result, 166.7s OverallTime, 20 OverallIterations, 8 TraceHistogramMax, 94.9s AutomataDifference, 0.0s DeadEndRemovalTime, 14.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 3635 SDtfs, 34735 SDslu, 3632 SDs, 0 SdLazy, 49210 SolverSat, 9470 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 77.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 20407 GetRequests, 20078 SyntacticMatches, 34 SemanticMatches, 295 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5193 ImplicationChecksByTransitivity, 13.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31009occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 25.7s AbstIntTime, 15 AbstIntIterations, 1 AbstIntStrong, 0.9982634109362221 AbsIntWeakeningRatio, 0.09216589861751152 AbsIntAvgWeakeningVarsNumRemoved, 16.62672811059908 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.1s AutomataMinimizationTime, 20 MinimizatonAttempts, 16862 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 3664 PreInvPairs, 3865 NumberOfFragments, 3762 HoareAnnotationTreeSize, 3664 FomulaSimplifications, 149534 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 9 FomulaSimplificationsInter, 105716 FormulaSimplificationTreeSizeReductionInter, 13.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 21.5s InterpolantComputationTime, 21116 NumberOfCodeBlocks, 21116 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 30955 ConstructedInterpolants, 1151 QuantifiedInterpolants, 81467752 SizeOfPredicates, 18 NumberOfNonLiveVariables, 13329 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 48 InterpolantComputations, 14 PerfectInterpolantSequences, 40242/43626 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...