./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label07_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_a1244b5a-5734-401c-81ac-dfdbcbfbdb40/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a1244b5a-5734-401c-81ac-dfdbcbfbdb40/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a1244b5a-5734-401c-81ac-dfdbcbfbdb40/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a1244b5a-5734-401c-81ac-dfdbcbfbdb40/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label07_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a1244b5a-5734-401c-81ac-dfdbcbfbdb40/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a1244b5a-5734-401c-81ac-dfdbcbfbdb40/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 9c94245f83a700fdfe2d62d007b32e9e3ae1452d ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 04:09:03,954 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 04:09:03,956 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 04:09:03,964 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 04:09:03,965 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 04:09:03,965 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 04:09:03,966 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 04:09:03,968 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 04:09:03,969 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 04:09:03,970 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 04:09:03,970 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 04:09:03,970 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 04:09:03,971 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 04:09:03,972 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 04:09:03,973 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 04:09:03,973 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 04:09:03,974 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 04:09:03,975 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 04:09:03,977 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 04:09:03,978 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 04:09:03,979 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 04:09:03,980 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 04:09:03,981 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 04:09:03,982 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 04:09:03,982 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 04:09:03,983 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 04:09:03,983 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 04:09:03,984 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 04:09:03,985 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 04:09:03,985 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 04:09:03,986 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 04:09:03,986 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 04:09:03,986 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 04:09:03,986 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 04:09:03,987 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 04:09:03,987 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 04:09:03,988 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a1244b5a-5734-401c-81ac-dfdbcbfbdb40/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 04:09:03,998 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 04:09:03,998 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 04:09:03,999 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 04:09:03,999 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 04:09:03,999 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 04:09:03,999 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 04:09:03,999 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 04:09:04,000 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 04:09:04,000 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 04:09:04,000 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 04:09:04,000 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 04:09:04,000 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 04:09:04,000 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 04:09:04,001 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 04:09:04,001 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 04:09:04,001 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 04:09:04,001 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 04:09:04,001 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 04:09:04,002 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 04:09:04,002 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 04:09:04,002 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 04:09:04,002 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 04:09:04,002 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 04:09:04,002 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 04:09:04,002 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 04:09:04,003 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 04:09:04,003 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 04:09:04,003 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 04:09:04,003 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 04:09:04,003 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 04:09:04,003 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 04:09:04,003 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 04:09:04,003 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 04:09:04,003 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 04:09:04,003 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 04:09:04,003 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 04:09:04,003 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_a1244b5a-5734-401c-81ac-dfdbcbfbdb40/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 -> 9c94245f83a700fdfe2d62d007b32e9e3ae1452d [2018-12-03 04:09:04,026 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 04:09:04,035 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 04:09:04,038 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 04:09:04,039 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 04:09:04,039 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 04:09:04,040 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a1244b5a-5734-401c-81ac-dfdbcbfbdb40/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label07_true-unreach-call.c [2018-12-03 04:09:04,084 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a1244b5a-5734-401c-81ac-dfdbcbfbdb40/bin-2019/utaipan/data/2e703f8fc/c2b13154176b455f954eecfa485ccf73/FLAGb63b54df5 [2018-12-03 04:09:04,498 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 04:09:04,498 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a1244b5a-5734-401c-81ac-dfdbcbfbdb40/sv-benchmarks/c/eca-rers2012/Problem16_label07_true-unreach-call.c [2018-12-03 04:09:04,508 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a1244b5a-5734-401c-81ac-dfdbcbfbdb40/bin-2019/utaipan/data/2e703f8fc/c2b13154176b455f954eecfa485ccf73/FLAGb63b54df5 [2018-12-03 04:09:04,516 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a1244b5a-5734-401c-81ac-dfdbcbfbdb40/bin-2019/utaipan/data/2e703f8fc/c2b13154176b455f954eecfa485ccf73 [2018-12-03 04:09:04,518 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 04:09:04,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 04:09:04,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 04:09:04,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 04:09:04,522 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 04:09:04,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:09:04" (1/1) ... [2018-12-03 04:09:04,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@643265e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:09:04, skipping insertion in model container [2018-12-03 04:09:04,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:09:04" (1/1) ... [2018-12-03 04:09:04,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 04:09:04,565 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 04:09:04,854 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 04:09:04,856 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 04:09:05,023 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 04:09:05,032 INFO L195 MainTranslator]: Completed translation [2018-12-03 04:09:05,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:09:05 WrapperNode [2018-12-03 04:09:05,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 04:09:05,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 04:09:05,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 04:09:05,033 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 04:09:05,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:09:05" (1/1) ... [2018-12-03 04:09:05,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:09:05" (1/1) ... [2018-12-03 04:09:05,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 04:09:05,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 04:09:05,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 04:09:05,058 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 04:09:05,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:09:05" (1/1) ... [2018-12-03 04:09:05,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:09:05" (1/1) ... [2018-12-03 04:09:05,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:09:05" (1/1) ... [2018-12-03 04:09:05,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:09:05" (1/1) ... [2018-12-03 04:09:05,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:09:05" (1/1) ... [2018-12-03 04:09:05,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:09:05" (1/1) ... [2018-12-03 04:09:05,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:09:05" (1/1) ... [2018-12-03 04:09:05,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 04:09:05,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 04:09:05,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 04:09:05,120 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 04:09:05,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:09:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1244b5a-5734-401c-81ac-dfdbcbfbdb40/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 [2018-12-03 04:09:05,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 04:09:05,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 04:09:05,154 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-03 04:09:05,154 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-03 04:09:05,154 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-03 04:09:05,154 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-03 04:09:05,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 04:09:05,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 04:09:05,154 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 04:09:05,154 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 04:09:06,387 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 04:09:06,387 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 04:09:06,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:09:06 BoogieIcfgContainer [2018-12-03 04:09:06,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 04:09:06,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 04:09:06,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 04:09:06,391 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 04:09:06,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 04:09:04" (1/3) ... [2018-12-03 04:09:06,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f6aa8a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 04:09:06, skipping insertion in model container [2018-12-03 04:09:06,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:09:05" (2/3) ... [2018-12-03 04:09:06,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f6aa8a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 04:09:06, skipping insertion in model container [2018-12-03 04:09:06,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:09:06" (3/3) ... [2018-12-03 04:09:06,393 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label07_true-unreach-call.c [2018-12-03 04:09:06,399 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 04:09:06,405 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 04:09:06,416 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 04:09:06,441 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 04:09:06,442 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 04:09:06,442 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 04:09:06,442 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 04:09:06,442 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 04:09:06,442 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 04:09:06,442 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 04:09:06,442 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 04:09:06,464 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-03 04:09:06,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-03 04:09:06,470 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:09:06,470 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:09:06,472 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:09:06,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:09:06,476 INFO L82 PathProgramCache]: Analyzing trace with hash -586545963, now seen corresponding path program 1 times [2018-12-03 04:09:06,477 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:09:06,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:09:06,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:09:06,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:09:06,507 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:09:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:09:06,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:09:06,675 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:09:06,675 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 04:09:06,675 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:09:06,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 04:09:06,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 04:09:06,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 04:09:06,688 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-12-03 04:09:07,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:09:07,792 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-12-03 04:09:07,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 04:09:07,793 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-03 04:09:07,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:09:07,802 INFO L225 Difference]: With dead ends: 1153 [2018-12-03 04:09:07,802 INFO L226 Difference]: Without dead ends: 682 [2018-12-03 04:09:07,806 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 04:09:07,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2018-12-03 04:09:07,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2018-12-03 04:09:07,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-12-03 04:09:07,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1154 transitions. [2018-12-03 04:09:07,850 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1154 transitions. Word has length 60 [2018-12-03 04:09:07,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:09:07,851 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 1154 transitions. [2018-12-03 04:09:07,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 04:09:07,851 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1154 transitions. [2018-12-03 04:09:07,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-03 04:09:07,854 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:09:07,854 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:09:07,854 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:09:07,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:09:07,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1735550147, now seen corresponding path program 1 times [2018-12-03 04:09:07,855 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:09:07,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:09:07,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:09:07,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:09:07,856 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:09:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:09:07,956 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:09:07,956 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:09:07,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 04:09:07,957 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:09:07,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 04:09:07,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 04:09:07,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-03 04:09:07,958 INFO L87 Difference]: Start difference. First operand 682 states and 1154 transitions. Second operand 6 states. [2018-12-03 04:09:12,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:09:12,989 INFO L93 Difference]: Finished difference Result 2806 states and 4913 transitions. [2018-12-03 04:09:12,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-03 04:09:12,990 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2018-12-03 04:09:12,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:09:13,004 INFO L225 Difference]: With dead ends: 2806 [2018-12-03 04:09:13,004 INFO L226 Difference]: Without dead ends: 2130 [2018-12-03 04:09:13,007 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-12-03 04:09:13,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2130 states. [2018-12-03 04:09:13,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2130 to 2087. [2018-12-03 04:09:13,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2087 states. [2018-12-03 04:09:13,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 2087 states and 3383 transitions. [2018-12-03 04:09:13,063 INFO L78 Accepts]: Start accepts. Automaton has 2087 states and 3383 transitions. Word has length 135 [2018-12-03 04:09:13,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:09:13,063 INFO L480 AbstractCegarLoop]: Abstraction has 2087 states and 3383 transitions. [2018-12-03 04:09:13,063 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 04:09:13,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2087 states and 3383 transitions. [2018-12-03 04:09:13,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-03 04:09:13,065 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:09:13,065 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:09:13,065 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:09:13,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:09:13,066 INFO L82 PathProgramCache]: Analyzing trace with hash -98267403, now seen corresponding path program 1 times [2018-12-03 04:09:13,066 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:09:13,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:09:13,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:09:13,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:09:13,066 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:09:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:09:13,158 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:09:13,158 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:09:13,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 04:09:13,158 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:09:13,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 04:09:13,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 04:09:13,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 04:09:13,159 INFO L87 Difference]: Start difference. First operand 2087 states and 3383 transitions. Second operand 6 states. [2018-12-03 04:09:14,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:09:14,484 INFO L93 Difference]: Finished difference Result 5623 states and 9429 transitions. [2018-12-03 04:09:14,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 04:09:14,484 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-12-03 04:09:14,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:09:14,494 INFO L225 Difference]: With dead ends: 5623 [2018-12-03 04:09:14,495 INFO L226 Difference]: Without dead ends: 3542 [2018-12-03 04:09:14,498 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 [2018-12-03 04:09:14,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3542 states. [2018-12-03 04:09:14,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3542 to 3503. [2018-12-03 04:09:14,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3503 states. [2018-12-03 04:09:14,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3503 states to 3503 states and 5697 transitions. [2018-12-03 04:09:14,551 INFO L78 Accepts]: Start accepts. Automaton has 3503 states and 5697 transitions. Word has length 139 [2018-12-03 04:09:14,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:09:14,551 INFO L480 AbstractCegarLoop]: Abstraction has 3503 states and 5697 transitions. [2018-12-03 04:09:14,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 04:09:14,551 INFO L276 IsEmpty]: Start isEmpty. Operand 3503 states and 5697 transitions. [2018-12-03 04:09:14,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-03 04:09:14,553 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:09:14,554 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:09:14,554 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:09:14,554 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:09:14,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1876426643, now seen corresponding path program 1 times [2018-12-03 04:09:14,554 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:09:14,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:09:14,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:09:14,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:09:14,555 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:09:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:09:14,640 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:09:14,640 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:09:14,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 04:09:14,640 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:09:14,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 04:09:14,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 04:09:14,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 04:09:14,641 INFO L87 Difference]: Start difference. First operand 3503 states and 5697 transitions. Second operand 6 states. [2018-12-03 04:09:16,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:09:16,600 INFO L93 Difference]: Finished difference Result 8509 states and 14339 transitions. [2018-12-03 04:09:16,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 04:09:16,600 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 175 [2018-12-03 04:09:16,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:09:16,613 INFO L225 Difference]: With dead ends: 8509 [2018-12-03 04:09:16,613 INFO L226 Difference]: Without dead ends: 5012 [2018-12-03 04:09:16,618 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 [2018-12-03 04:09:16,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5012 states. [2018-12-03 04:09:16,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5012 to 4965. [2018-12-03 04:09:16,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4965 states. [2018-12-03 04:09:16,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4965 states to 4965 states and 7686 transitions. [2018-12-03 04:09:16,686 INFO L78 Accepts]: Start accepts. Automaton has 4965 states and 7686 transitions. Word has length 175 [2018-12-03 04:09:16,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:09:16,686 INFO L480 AbstractCegarLoop]: Abstraction has 4965 states and 7686 transitions. [2018-12-03 04:09:16,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 04:09:16,686 INFO L276 IsEmpty]: Start isEmpty. Operand 4965 states and 7686 transitions. [2018-12-03 04:09:16,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-12-03 04:09:16,688 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:09:16,689 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2018-12-03 04:09:16,689 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:09:16,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:09:16,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1318797007, now seen corresponding path program 1 times [2018-12-03 04:09:16,689 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:09:16,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:09:16,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:09:16,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:09:16,690 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:09:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:09:16,787 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 106 proven. 77 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-03 04:09:16,787 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:09:16,787 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 04:09:16,788 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 225 with the following transitions: [2018-12-03 04:09:16,789 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [720], [721], [725], [728], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-03 04:09:16,816 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 04:09:16,816 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 04:09:17,031 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 04:09:17,032 INFO L272 AbstractInterpreter]: Visited 88 different actions 88 times. Never merged. Never widened. Performed 734 root evaluator evaluations with a maximum evaluation depth of 8. Performed 734 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Never found a fixpoint. Largest state had 24 variables. [2018-12-03 04:09:17,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:09:17,038 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 04:09:17,283 INFO L227 lantSequenceWeakener]: Weakened 215 states. On average, predicates are now at 78.17% of their original sizes. [2018-12-03 04:09:17,283 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 04:09:17,303 INFO L418 sIntCurrentIteration]: We unified 223 AI predicates to 223 [2018-12-03 04:09:17,303 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 04:09:17,304 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 04:09:17,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-03 04:09:17,305 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:09:17,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 04:09:17,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 04:09:17,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 04:09:17,306 INFO L87 Difference]: Start difference. First operand 4965 states and 7686 transitions. Second operand 6 states. [2018-12-03 04:10:14,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:10:14,594 INFO L93 Difference]: Finished difference Result 10262 states and 15840 transitions. [2018-12-03 04:10:14,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 04:10:14,594 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 224 [2018-12-03 04:10:14,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:10:14,604 INFO L225 Difference]: With dead ends: 10262 [2018-12-03 04:10:14,604 INFO L226 Difference]: Without dead ends: 5303 [2018-12-03 04:10:14,610 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 224 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-03 04:10:14,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5303 states. [2018-12-03 04:10:14,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5303 to 5302. [2018-12-03 04:10:14,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5302 states. [2018-12-03 04:10:14,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5302 states to 5302 states and 8032 transitions. [2018-12-03 04:10:14,670 INFO L78 Accepts]: Start accepts. Automaton has 5302 states and 8032 transitions. Word has length 224 [2018-12-03 04:10:14,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:10:14,670 INFO L480 AbstractCegarLoop]: Abstraction has 5302 states and 8032 transitions. [2018-12-03 04:10:14,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 04:10:14,670 INFO L276 IsEmpty]: Start isEmpty. Operand 5302 states and 8032 transitions. [2018-12-03 04:10:14,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-03 04:10:14,672 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:10:14,672 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2018-12-03 04:10:14,672 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:10:14,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:10:14,673 INFO L82 PathProgramCache]: Analyzing trace with hash 396142693, now seen corresponding path program 1 times [2018-12-03 04:10:14,673 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:10:14,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:10:14,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:10:14,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:10:14,673 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:10:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:10:14,754 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 107 proven. 14 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-03 04:10:14,755 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:10:14,755 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 04:10:14,755 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 235 with the following transitions: [2018-12-03 04:10:14,755 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [760], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-03 04:10:14,757 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 04:10:14,757 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 04:10:14,875 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 04:10:14,875 INFO L272 AbstractInterpreter]: Visited 99 different actions 284 times. Merged at 4 different actions 7 times. Never widened. Performed 2587 root evaluator evaluations with a maximum evaluation depth of 8. Performed 2587 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-03 04:10:14,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:10:14,877 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 04:10:15,039 INFO L227 lantSequenceWeakener]: Weakened 231 states. On average, predicates are now at 80.87% of their original sizes. [2018-12-03 04:10:15,040 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 04:10:15,070 INFO L418 sIntCurrentIteration]: We unified 233 AI predicates to 233 [2018-12-03 04:10:15,070 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 04:10:15,070 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 04:10:15,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-03 04:10:15,071 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:10:15,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 04:10:15,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 04:10:15,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 04:10:15,072 INFO L87 Difference]: Start difference. First operand 5302 states and 8032 transitions. Second operand 10 states. [2018-12-03 04:11:04,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:11:04,361 INFO L93 Difference]: Finished difference Result 12100 states and 18890 transitions. [2018-12-03 04:11:04,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-03 04:11:04,362 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 234 [2018-12-03 04:11:04,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:11:04,383 INFO L225 Difference]: With dead ends: 12100 [2018-12-03 04:11:04,383 INFO L226 Difference]: Without dead ends: 7141 [2018-12-03 04:11:04,392 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 243 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-03 04:11:04,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7141 states. [2018-12-03 04:11:04,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7141 to 6747. [2018-12-03 04:11:04,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6747 states. [2018-12-03 04:11:04,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6747 states to 6747 states and 9782 transitions. [2018-12-03 04:11:04,484 INFO L78 Accepts]: Start accepts. Automaton has 6747 states and 9782 transitions. Word has length 234 [2018-12-03 04:11:04,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:11:04,484 INFO L480 AbstractCegarLoop]: Abstraction has 6747 states and 9782 transitions. [2018-12-03 04:11:04,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 04:11:04,484 INFO L276 IsEmpty]: Start isEmpty. Operand 6747 states and 9782 transitions. [2018-12-03 04:11:04,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2018-12-03 04:11:04,489 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:11:04,489 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:11:04,490 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:11:04,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:11:04,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1357705233, now seen corresponding path program 1 times [2018-12-03 04:11:04,490 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:11:04,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:11:04,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:11:04,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:11:04,491 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:11:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:11:04,689 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 242 proven. 81 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-03 04:11:04,690 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:11:04,690 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 04:11:04,690 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 464 with the following transitions: [2018-12-03 04:11:04,690 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [720], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-03 04:11:04,696 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 04:11:04,697 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 04:11:04,846 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 04:11:04,846 INFO L272 AbstractInterpreter]: Visited 248 different actions 490 times. Merged at 4 different actions 4 times. Never widened. Performed 5205 root evaluator evaluations with a maximum evaluation depth of 8. Performed 5205 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-03 04:11:04,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:11:04,848 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 04:11:05,063 INFO L227 lantSequenceWeakener]: Weakened 460 states. On average, predicates are now at 77.73% of their original sizes. [2018-12-03 04:11:05,063 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 04:11:05,093 INFO L418 sIntCurrentIteration]: We unified 462 AI predicates to 462 [2018-12-03 04:11:05,094 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 04:11:05,094 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 04:11:05,094 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-03 04:11:05,094 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:11:05,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 04:11:05,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 04:11:05,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 04:11:05,095 INFO L87 Difference]: Start difference. First operand 6747 states and 9782 transitions. Second operand 10 states. [2018-12-03 04:12:21,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:12:21,279 INFO L93 Difference]: Finished difference Result 14166 states and 20391 transitions. [2018-12-03 04:12:21,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-03 04:12:21,279 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 463 [2018-12-03 04:12:21,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:12:21,298 INFO L225 Difference]: With dead ends: 14166 [2018-12-03 04:12:21,298 INFO L226 Difference]: Without dead ends: 7425 [2018-12-03 04:12:21,307 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 470 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-03 04:12:21,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7425 states. [2018-12-03 04:12:21,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7425 to 7423. [2018-12-03 04:12:21,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7423 states. [2018-12-03 04:12:21,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7423 states to 7423 states and 10485 transitions. [2018-12-03 04:12:21,380 INFO L78 Accepts]: Start accepts. Automaton has 7423 states and 10485 transitions. Word has length 463 [2018-12-03 04:12:21,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:12:21,380 INFO L480 AbstractCegarLoop]: Abstraction has 7423 states and 10485 transitions. [2018-12-03 04:12:21,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 04:12:21,380 INFO L276 IsEmpty]: Start isEmpty. Operand 7423 states and 10485 transitions. [2018-12-03 04:12:21,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2018-12-03 04:12:21,448 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:12:21,449 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:12:21,449 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:12:21,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:12:21,449 INFO L82 PathProgramCache]: Analyzing trace with hash -2073496119, now seen corresponding path program 1 times [2018-12-03 04:12:21,449 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:12:21,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:12:21,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:12:21,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:12:21,450 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:12:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:12:22,172 INFO L134 CoverageAnalysis]: Checked inductivity of 712 backedges. 309 proven. 162 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2018-12-03 04:12:22,172 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:12:22,173 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 04:12:22,173 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 555 with the following transitions: [2018-12-03 04:12:22,173 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [720], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-03 04:12:22,177 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 04:12:22,177 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 04:12:22,500 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 04:12:22,501 INFO L272 AbstractInterpreter]: Visited 250 different actions 992 times. Merged at 6 different actions 25 times. Never widened. Performed 11811 root evaluator evaluations with a maximum evaluation depth of 8. Performed 11811 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-03 04:12:22,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:12:22,503 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 04:12:22,503 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:12:22,503 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1244b5a-5734-401c-81ac-dfdbcbfbdb40/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 [2018-12-03 04:12:22,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:12:22,510 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 04:12:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:12:22,595 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:12:22,762 INFO L134 CoverageAnalysis]: Checked inductivity of 712 backedges. 521 proven. 2 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-03 04:12:22,762 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 04:12:23,023 INFO L134 CoverageAnalysis]: Checked inductivity of 712 backedges. 309 proven. 162 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2018-12-03 04:12:23,039 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 04:12:23,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 18 [2018-12-03 04:12:23,039 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 04:12:23,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-03 04:12:23,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-03 04:12:23,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2018-12-03 04:12:23,040 INFO L87 Difference]: Start difference. First operand 7423 states and 10485 transitions. Second operand 15 states. [2018-12-03 04:12:27,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:12:27,499 INFO L93 Difference]: Finished difference Result 15285 states and 22335 transitions. [2018-12-03 04:12:27,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-12-03 04:12:27,499 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 554 [2018-12-03 04:12:27,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:12:27,511 INFO L225 Difference]: With dead ends: 15285 [2018-12-03 04:12:27,511 INFO L226 Difference]: Without dead ends: 8140 [2018-12-03 04:12:27,521 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1180 GetRequests, 1128 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 746 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=629, Invalid=2233, Unknown=0, NotChecked=0, Total=2862 [2018-12-03 04:12:27,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8140 states. [2018-12-03 04:12:27,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8140 to 7675. [2018-12-03 04:12:27,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7675 states. [2018-12-03 04:12:27,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7675 states to 7675 states and 8927 transitions. [2018-12-03 04:12:27,597 INFO L78 Accepts]: Start accepts. Automaton has 7675 states and 8927 transitions. Word has length 554 [2018-12-03 04:12:27,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:12:27,597 INFO L480 AbstractCegarLoop]: Abstraction has 7675 states and 8927 transitions. [2018-12-03 04:12:27,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-03 04:12:27,597 INFO L276 IsEmpty]: Start isEmpty. Operand 7675 states and 8927 transitions. [2018-12-03 04:12:27,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 652 [2018-12-03 04:12:27,602 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:12:27,602 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:12:27,602 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:12:27,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:12:27,602 INFO L82 PathProgramCache]: Analyzing trace with hash 685204324, now seen corresponding path program 1 times [2018-12-03 04:12:27,602 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:12:27,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:12:27,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:12:27,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:12:27,603 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:12:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:12:28,332 INFO L134 CoverageAnalysis]: Checked inductivity of 871 backedges. 451 proven. 307 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-12-03 04:12:28,332 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:12:28,332 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 04:12:28,332 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 652 with the following transitions: [2018-12-03 04:12:28,332 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-03 04:12:28,335 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 04:12:28,335 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 04:12:28,809 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 04:12:28,809 INFO L272 AbstractInterpreter]: Visited 258 different actions 1282 times. Merged at 8 different actions 35 times. Never widened. Performed 15646 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15646 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 10 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-03 04:12:28,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:12:28,811 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 04:12:28,811 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:12:28,811 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1244b5a-5734-401c-81ac-dfdbcbfbdb40/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 [2018-12-03 04:12:28,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:12:28,817 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 04:12:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:12:28,892 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:12:29,038 INFO L134 CoverageAnalysis]: Checked inductivity of 871 backedges. 546 proven. 2 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2018-12-03 04:12:29,038 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 04:12:29,224 INFO L134 CoverageAnalysis]: Checked inductivity of 871 backedges. 546 proven. 2 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2018-12-03 04:12:29,240 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 04:12:29,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-12-03 04:12:29,240 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 04:12:29,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-03 04:12:29,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-03 04:12:29,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-12-03 04:12:29,241 INFO L87 Difference]: Start difference. First operand 7675 states and 8927 transitions. Second operand 15 states. [2018-12-03 04:12:34,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:12:34,348 INFO L93 Difference]: Finished difference Result 19544 states and 23573 transitions. [2018-12-03 04:12:34,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-12-03 04:12:34,349 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 651 [2018-12-03 04:12:34,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:12:34,366 INFO L225 Difference]: With dead ends: 19544 [2018-12-03 04:12:34,366 INFO L226 Difference]: Without dead ends: 12551 [2018-12-03 04:12:34,374 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1393 GetRequests, 1334 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 997 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=675, Invalid=2747, Unknown=0, NotChecked=0, Total=3422 [2018-12-03 04:12:34,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12551 states. [2018-12-03 04:12:34,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12551 to 10098. [2018-12-03 04:12:34,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10098 states. [2018-12-03 04:12:34,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10098 states to 10098 states and 11642 transitions. [2018-12-03 04:12:34,501 INFO L78 Accepts]: Start accepts. Automaton has 10098 states and 11642 transitions. Word has length 651 [2018-12-03 04:12:34,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:12:34,502 INFO L480 AbstractCegarLoop]: Abstraction has 10098 states and 11642 transitions. [2018-12-03 04:12:34,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-03 04:12:34,502 INFO L276 IsEmpty]: Start isEmpty. Operand 10098 states and 11642 transitions. [2018-12-03 04:12:34,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 816 [2018-12-03 04:12:34,509 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:12:34,509 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:12:34,509 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:12:34,509 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:12:34,509 INFO L82 PathProgramCache]: Analyzing trace with hash -2093574483, now seen corresponding path program 1 times [2018-12-03 04:12:34,509 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:12:34,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:12:34,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:12:34,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:12:34,510 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:12:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:12:34,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 442 proven. 513 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-12-03 04:12:34,993 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:12:34,994 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 04:12:34,994 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 816 with the following transitions: [2018-12-03 04:12:34,994 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [720], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-03 04:12:34,996 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 04:12:34,996 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 04:12:35,286 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 04:12:35,286 INFO L272 AbstractInterpreter]: Visited 251 different actions 749 times. Merged at 7 different actions 18 times. Never widened. Performed 8438 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8438 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-03 04:12:35,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:12:35,287 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 04:12:35,287 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:12:35,287 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1244b5a-5734-401c-81ac-dfdbcbfbdb40/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 [2018-12-03 04:12:35,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:12:35,293 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 04:12:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:12:35,380 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:12:35,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 788 proven. 2 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2018-12-03 04:12:35,570 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 04:12:35,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 524 proven. 81 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2018-12-03 04:12:35,819 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 04:12:35,820 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 14 [2018-12-03 04:12:35,820 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 04:12:35,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-03 04:12:35,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-03 04:12:35,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2018-12-03 04:12:35,821 INFO L87 Difference]: Start difference. First operand 10098 states and 11642 transitions. Second operand 11 states. [2018-12-03 04:12:39,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:12:39,700 INFO L93 Difference]: Finished difference Result 23279 states and 26994 transitions. [2018-12-03 04:12:39,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-03 04:12:39,700 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 815 [2018-12-03 04:12:39,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:12:39,718 INFO L225 Difference]: With dead ends: 23279 [2018-12-03 04:12:39,718 INFO L226 Difference]: Without dead ends: 13524 [2018-12-03 04:12:39,728 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1668 GetRequests, 1638 SyntacticMatches, 4 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2018-12-03 04:12:39,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13524 states. [2018-12-03 04:12:39,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13524 to 13155. [2018-12-03 04:12:39,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13155 states. [2018-12-03 04:12:39,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13155 states to 13155 states and 14169 transitions. [2018-12-03 04:12:39,855 INFO L78 Accepts]: Start accepts. Automaton has 13155 states and 14169 transitions. Word has length 815 [2018-12-03 04:12:39,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:12:39,856 INFO L480 AbstractCegarLoop]: Abstraction has 13155 states and 14169 transitions. [2018-12-03 04:12:39,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-03 04:12:39,856 INFO L276 IsEmpty]: Start isEmpty. Operand 13155 states and 14169 transitions. [2018-12-03 04:12:39,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 836 [2018-12-03 04:12:39,863 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:12:39,863 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:12:39,863 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:12:39,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:12:39,864 INFO L82 PathProgramCache]: Analyzing trace with hash 418830997, now seen corresponding path program 1 times [2018-12-03 04:12:39,864 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:12:39,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:12:39,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:12:39,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:12:39,864 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:12:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:12:40,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1367 backedges. 686 proven. 2 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2018-12-03 04:12:40,201 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:12:40,201 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 04:12:40,201 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 836 with the following transitions: [2018-12-03 04:12:40,201 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-03 04:12:40,203 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 04:12:40,203 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 04:12:40,606 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 04:12:40,606 INFO L272 AbstractInterpreter]: Visited 251 different actions 1007 times. Merged at 9 different actions 35 times. Widened at 1 different actions 1 times. Performed 11857 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11857 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-03 04:12:40,608 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:12:40,608 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 04:12:40,608 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:12:40,608 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1244b5a-5734-401c-81ac-dfdbcbfbdb40/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 [2018-12-03 04:12:40,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:12:40,614 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 04:12:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:12:40,705 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:12:40,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1367 backedges. 686 proven. 2 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2018-12-03 04:12:40,906 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 04:12:41,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1367 backedges. 686 proven. 2 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2018-12-03 04:12:41,248 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 04:12:41,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-03 04:12:41,248 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 04:12:41,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 04:12:41,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 04:12:41,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-03 04:12:41,249 INFO L87 Difference]: Start difference. First operand 13155 states and 14169 transitions. Second operand 9 states. [2018-12-03 04:12:42,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:12:42,955 INFO L93 Difference]: Finished difference Result 27639 states and 29942 transitions. [2018-12-03 04:12:42,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-03 04:12:42,956 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 835 [2018-12-03 04:12:42,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:12:42,973 INFO L225 Difference]: With dead ends: 27639 [2018-12-03 04:12:42,973 INFO L226 Difference]: Without dead ends: 15166 [2018-12-03 04:12:42,984 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1687 GetRequests, 1671 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-12-03 04:12:42,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15166 states. [2018-12-03 04:12:43,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15166 to 15154. [2018-12-03 04:12:43,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15154 states. [2018-12-03 04:12:43,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15154 states to 15154 states and 16233 transitions. [2018-12-03 04:12:43,110 INFO L78 Accepts]: Start accepts. Automaton has 15154 states and 16233 transitions. Word has length 835 [2018-12-03 04:12:43,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:12:43,111 INFO L480 AbstractCegarLoop]: Abstraction has 15154 states and 16233 transitions. [2018-12-03 04:12:43,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 04:12:43,111 INFO L276 IsEmpty]: Start isEmpty. Operand 15154 states and 16233 transitions. [2018-12-03 04:12:43,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 837 [2018-12-03 04:12:43,118 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:12:43,118 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-03 04:12:43,118 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:12:43,118 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:12:43,119 INFO L82 PathProgramCache]: Analyzing trace with hash 403872498, now seen corresponding path program 1 times [2018-12-03 04:12:43,119 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:12:43,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:12:43,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:12:43,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:12:43,119 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:12:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:12:43,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1371 backedges. 270 proven. 538 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2018-12-03 04:12:43,557 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:12:43,557 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 04:12:43,557 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 837 with the following transitions: [2018-12-03 04:12:43,557 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-03 04:12:43,559 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 04:12:43,559 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 04:12:43,973 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 04:12:43,974 INFO L272 AbstractInterpreter]: Visited 251 different actions 1011 times. Merged at 9 different actions 39 times. Widened at 1 different actions 1 times. Performed 11834 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11834 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-03 04:12:43,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:12:43,975 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 04:12:43,975 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:12:43,975 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1244b5a-5734-401c-81ac-dfdbcbfbdb40/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 [2018-12-03 04:12:43,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:12:43,981 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 04:12:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:12:44,069 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:12:44,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1371 backedges. 277 proven. 0 refuted. 0 times theorem prover too weak. 1094 trivial. 0 not checked. [2018-12-03 04:12:44,327 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 04:12:44,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1371 backedges. 277 proven. 0 refuted. 0 times theorem prover too weak. 1094 trivial. 0 not checked. [2018-12-03 04:12:44,530 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-03 04:12:44,530 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-03 04:12:44,531 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:12:44,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 04:12:44,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 04:12:44,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-03 04:12:44,531 INFO L87 Difference]: Start difference. First operand 15154 states and 16233 transitions. Second operand 3 states. [2018-12-03 04:12:45,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:12:45,186 INFO L93 Difference]: Finished difference Result 34015 states and 36480 transitions. [2018-12-03 04:12:45,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 04:12:45,187 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 836 [2018-12-03 04:12:45,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:12:45,208 INFO L225 Difference]: With dead ends: 34015 [2018-12-03 04:12:45,208 INFO L226 Difference]: Without dead ends: 19543 [2018-12-03 04:12:45,221 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1682 GetRequests, 1672 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-03 04:12:45,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19543 states. [2018-12-03 04:12:45,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19543 to 18195. [2018-12-03 04:12:45,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18195 states. [2018-12-03 04:12:45,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18195 states to 18195 states and 19424 transitions. [2018-12-03 04:12:45,375 INFO L78 Accepts]: Start accepts. Automaton has 18195 states and 19424 transitions. Word has length 836 [2018-12-03 04:12:45,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:12:45,376 INFO L480 AbstractCegarLoop]: Abstraction has 18195 states and 19424 transitions. [2018-12-03 04:12:45,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 04:12:45,377 INFO L276 IsEmpty]: Start isEmpty. Operand 18195 states and 19424 transitions. [2018-12-03 04:12:45,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 991 [2018-12-03 04:12:45,387 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:12:45,388 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-12-03 04:12:45,388 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:12:45,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:12:45,388 INFO L82 PathProgramCache]: Analyzing trace with hash -2084138431, now seen corresponding path program 1 times [2018-12-03 04:12:45,389 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:12:45,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:12:45,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:12:45,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:12:45,389 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:12:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:12:45,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 215 proven. 6 refuted. 0 times theorem prover too weak. 1165 trivial. 0 not checked. [2018-12-03 04:12:45,959 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:12:45,959 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 04:12:45,959 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 991 with the following transitions: [2018-12-03 04:12:45,959 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1048], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-03 04:12:45,961 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 04:12:45,961 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 04:12:46,483 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 04:12:46,483 INFO L272 AbstractInterpreter]: Visited 313 different actions 1243 times. Merged at 7 different actions 23 times. Never widened. Performed 14982 root evaluator evaluations with a maximum evaluation depth of 19. Performed 14982 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 7 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-03 04:12:46,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:12:46,485 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 04:12:46,486 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:12:46,486 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1244b5a-5734-401c-81ac-dfdbcbfbdb40/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 [2018-12-03 04:12:46,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:12:46,554 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 04:12:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:12:46,656 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:12:46,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 841 proven. 2 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2018-12-03 04:12:46,947 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 04:12:47,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 841 proven. 2 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2018-12-03 04:12:47,437 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 04:12:47,438 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-03 04:12:47,438 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 04:12:47,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 04:12:47,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 04:12:47,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-03 04:12:47,439 INFO L87 Difference]: Start difference. First operand 18195 states and 19424 transitions. Second operand 9 states. [2018-12-03 04:12:49,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:12:49,428 INFO L93 Difference]: Finished difference Result 36777 states and 39455 transitions. [2018-12-03 04:12:49,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-03 04:12:49,428 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 990 [2018-12-03 04:12:49,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:12:49,453 INFO L225 Difference]: With dead ends: 36777 [2018-12-03 04:12:49,453 INFO L226 Difference]: Without dead ends: 17216 [2018-12-03 04:12:49,468 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2012 GetRequests, 1987 SyntacticMatches, 6 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2018-12-03 04:12:49,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17216 states. [2018-12-03 04:12:49,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17216 to 16109. [2018-12-03 04:12:49,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16109 states. [2018-12-03 04:12:49,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16109 states to 16109 states and 16699 transitions. [2018-12-03 04:12:49,608 INFO L78 Accepts]: Start accepts. Automaton has 16109 states and 16699 transitions. Word has length 990 [2018-12-03 04:12:49,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:12:49,609 INFO L480 AbstractCegarLoop]: Abstraction has 16109 states and 16699 transitions. [2018-12-03 04:12:49,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 04:12:49,609 INFO L276 IsEmpty]: Start isEmpty. Operand 16109 states and 16699 transitions. [2018-12-03 04:12:49,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1404 [2018-12-03 04:12:49,624 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:12:49,625 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, 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-12-03 04:12:49,625 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:12:49,625 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:12:49,625 INFO L82 PathProgramCache]: Analyzing trace with hash -556423041, now seen corresponding path program 1 times [2018-12-03 04:12:49,625 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:12:49,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:12:49,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:12:49,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:12:49,626 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:12:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:12:50,469 INFO L134 CoverageAnalysis]: Checked inductivity of 3514 backedges. 965 proven. 250 refuted. 0 times theorem prover too weak. 2299 trivial. 0 not checked. [2018-12-03 04:12:50,469 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:12:50,469 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 04:12:50,470 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1404 with the following transitions: [2018-12-03 04:12:50,470 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-03 04:12:50,472 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 04:12:50,473 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 04:12:51,216 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 04:12:51,216 INFO L272 AbstractInterpreter]: Visited 319 different actions 1264 times. Merged at 10 different actions 29 times. Never widened. Performed 15409 root evaluator evaluations with a maximum evaluation depth of 19. Performed 15409 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 12 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-03 04:12:51,220 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:12:51,220 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 04:12:51,220 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:12:51,220 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1244b5a-5734-401c-81ac-dfdbcbfbdb40/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 [2018-12-03 04:12:51,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:12:51,226 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 04:12:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:12:51,437 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:12:51,932 INFO L134 CoverageAnalysis]: Checked inductivity of 3514 backedges. 2303 proven. 2 refuted. 0 times theorem prover too weak. 1209 trivial. 0 not checked. [2018-12-03 04:12:51,933 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 04:12:52,574 INFO L134 CoverageAnalysis]: Checked inductivity of 3514 backedges. 965 proven. 250 refuted. 0 times theorem prover too weak. 2299 trivial. 0 not checked. [2018-12-03 04:12:52,589 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 04:12:52,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-12-03 04:12:52,590 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 04:12:52,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 04:12:52,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 04:12:52,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-03 04:12:52,591 INFO L87 Difference]: Start difference. First operand 16109 states and 16699 transitions. Second operand 10 states. [2018-12-03 04:12:54,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:12:54,082 INFO L93 Difference]: Finished difference Result 31557 states and 32737 transitions. [2018-12-03 04:12:54,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-03 04:12:54,083 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1403 [2018-12-03 04:12:54,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:12:54,102 INFO L225 Difference]: With dead ends: 31557 [2018-12-03 04:12:54,102 INFO L226 Difference]: Without dead ends: 16130 [2018-12-03 04:12:54,114 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2837 GetRequests, 2813 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2018-12-03 04:12:54,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16130 states. [2018-12-03 04:12:54,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16130 to 16114. [2018-12-03 04:12:54,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16114 states. [2018-12-03 04:12:54,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16114 states to 16114 states and 16628 transitions. [2018-12-03 04:12:54,242 INFO L78 Accepts]: Start accepts. Automaton has 16114 states and 16628 transitions. Word has length 1403 [2018-12-03 04:12:54,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:12:54,242 INFO L480 AbstractCegarLoop]: Abstraction has 16114 states and 16628 transitions. [2018-12-03 04:12:54,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 04:12:54,242 INFO L276 IsEmpty]: Start isEmpty. Operand 16114 states and 16628 transitions. [2018-12-03 04:12:54,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1425 [2018-12-03 04:12:54,258 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:12:54,259 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:12:54,259 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:12:54,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:12:54,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1041894745, now seen corresponding path program 1 times [2018-12-03 04:12:54,259 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:12:54,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:12:54,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:12:54,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:12:54,260 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:12:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:12:55,275 INFO L134 CoverageAnalysis]: Checked inductivity of 3163 backedges. 1387 proven. 2 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-12-03 04:12:55,275 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:12:55,276 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 04:12:55,276 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1425 with the following transitions: [2018-12-03 04:12:55,276 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-03 04:12:55,278 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 04:12:55,278 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 04:12:56,212 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 04:12:56,212 INFO L272 AbstractInterpreter]: Visited 318 different actions 1260 times. Merged at 9 different actions 29 times. Never widened. Performed 15349 root evaluator evaluations with a maximum evaluation depth of 22. Performed 15349 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-03 04:12:56,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:12:56,214 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 04:12:56,214 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:12:56,214 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1244b5a-5734-401c-81ac-dfdbcbfbdb40/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 [2018-12-03 04:12:56,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:12:56,220 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 04:12:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:12:56,365 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:12:56,901 INFO L134 CoverageAnalysis]: Checked inductivity of 3163 backedges. 1387 proven. 2 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-12-03 04:12:56,901 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 04:12:57,658 INFO L134 CoverageAnalysis]: Checked inductivity of 3163 backedges. 1387 proven. 2 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-12-03 04:12:57,674 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 04:12:57,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-03 04:12:57,674 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 04:12:57,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 04:12:57,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 04:12:57,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-03 04:12:57,675 INFO L87 Difference]: Start difference. First operand 16114 states and 16628 transitions. Second operand 9 states. [2018-12-03 04:12:59,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:12:59,635 INFO L93 Difference]: Finished difference Result 35684 states and 37040 transitions. [2018-12-03 04:12:59,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-03 04:12:59,636 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1424 [2018-12-03 04:12:59,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:12:59,655 INFO L225 Difference]: With dead ends: 35684 [2018-12-03 04:12:59,655 INFO L226 Difference]: Without dead ends: 18181 [2018-12-03 04:12:59,668 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2877 GetRequests, 2854 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-12-03 04:12:59,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18181 states. [2018-12-03 04:12:59,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18181 to 16430. [2018-12-03 04:12:59,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16430 states. [2018-12-03 04:12:59,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16430 states to 16430 states and 16965 transitions. [2018-12-03 04:12:59,812 INFO L78 Accepts]: Start accepts. Automaton has 16430 states and 16965 transitions. Word has length 1424 [2018-12-03 04:12:59,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:12:59,812 INFO L480 AbstractCegarLoop]: Abstraction has 16430 states and 16965 transitions. [2018-12-03 04:12:59,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 04:12:59,812 INFO L276 IsEmpty]: Start isEmpty. Operand 16430 states and 16965 transitions. [2018-12-03 04:12:59,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1638 [2018-12-03 04:12:59,829 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:12:59,829 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:12:59,829 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:12:59,829 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:12:59,830 INFO L82 PathProgramCache]: Analyzing trace with hash -975837139, now seen corresponding path program 1 times [2018-12-03 04:12:59,830 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:12:59,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:12:59,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:12:59,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:12:59,830 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:12:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:13:00,775 INFO L134 CoverageAnalysis]: Checked inductivity of 5197 backedges. 1035 proven. 534 refuted. 0 times theorem prover too weak. 3628 trivial. 0 not checked. [2018-12-03 04:13:00,776 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:13:00,776 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 04:13:00,776 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1638 with the following transitions: [2018-12-03 04:13:00,776 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-03 04:13:00,778 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 04:13:00,778 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 04:13:01,550 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 04:13:01,551 INFO L272 AbstractInterpreter]: Visited 321 different actions 1283 times. Merged at 12 different actions 40 times. Widened at 1 different actions 1 times. Performed 15580 root evaluator evaluations with a maximum evaluation depth of 19. Performed 15580 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 15 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-03 04:13:01,552 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:13:01,552 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 04:13:01,552 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:13:01,552 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1244b5a-5734-401c-81ac-dfdbcbfbdb40/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 [2018-12-03 04:13:01,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:13:01,559 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 04:13:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:13:01,722 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:13:02,362 INFO L134 CoverageAnalysis]: Checked inductivity of 5197 backedges. 3468 proven. 2 refuted. 0 times theorem prover too weak. 1727 trivial. 0 not checked. [2018-12-03 04:13:02,362 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 04:13:03,148 INFO L134 CoverageAnalysis]: Checked inductivity of 5197 backedges. 1035 proven. 534 refuted. 0 times theorem prover too weak. 3628 trivial. 0 not checked. [2018-12-03 04:13:03,163 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 04:13:03,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-03 04:13:03,164 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 04:13:03,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 04:13:03,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 04:13:03,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-03 04:13:03,165 INFO L87 Difference]: Start difference. First operand 16430 states and 16965 transitions. Second operand 9 states. [2018-12-03 04:13:05,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:13:05,447 INFO L93 Difference]: Finished difference Result 32631 states and 33879 transitions. [2018-12-03 04:13:05,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-03 04:13:05,448 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1637 [2018-12-03 04:13:05,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:13:05,467 INFO L225 Difference]: With dead ends: 32631 [2018-12-03 04:13:05,467 INFO L226 Difference]: Without dead ends: 16883 [2018-12-03 04:13:05,477 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3297 GetRequests, 3278 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2018-12-03 04:13:05,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16883 states. [2018-12-03 04:13:05,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16883 to 16434. [2018-12-03 04:13:05,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16434 states. [2018-12-03 04:13:05,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16434 states to 16434 states and 16924 transitions. [2018-12-03 04:13:05,610 INFO L78 Accepts]: Start accepts. Automaton has 16434 states and 16924 transitions. Word has length 1637 [2018-12-03 04:13:05,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:13:05,611 INFO L480 AbstractCegarLoop]: Abstraction has 16434 states and 16924 transitions. [2018-12-03 04:13:05,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 04:13:05,611 INFO L276 IsEmpty]: Start isEmpty. Operand 16434 states and 16924 transitions. [2018-12-03 04:13:05,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1640 [2018-12-03 04:13:05,628 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:13:05,629 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, 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, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-03 04:13:05,629 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:13:05,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:13:05,629 INFO L82 PathProgramCache]: Analyzing trace with hash -2063812407, now seen corresponding path program 1 times [2018-12-03 04:13:05,629 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:13:05,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:13:05,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:13:05,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:13:05,630 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:13:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:13:07,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4400 backedges. 1150 proven. 548 refuted. 0 times theorem prover too weak. 2702 trivial. 0 not checked. [2018-12-03 04:13:07,477 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:13:07,477 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 04:13:07,477 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1640 with the following transitions: [2018-12-03 04:13:07,477 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-03 04:13:07,480 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 04:13:07,480 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 04:13:08,506 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 04:13:08,507 INFO L272 AbstractInterpreter]: Visited 319 different actions 1273 times. Merged at 10 different actions 38 times. Widened at 1 different actions 1 times. Performed 15472 root evaluator evaluations with a maximum evaluation depth of 22. Performed 15472 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 12 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-03 04:13:08,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:13:08,508 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 04:13:08,508 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:13:08,509 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1244b5a-5734-401c-81ac-dfdbcbfbdb40/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 [2018-12-03 04:13:08,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:13:08,514 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 04:13:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:13:08,677 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:13:09,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4400 backedges. 3084 proven. 2 refuted. 0 times theorem prover too weak. 1314 trivial. 0 not checked. [2018-12-03 04:13:09,613 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 04:13:11,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4400 backedges. 1196 proven. 486 refuted. 0 times theorem prover too weak. 2718 trivial. 0 not checked. [2018-12-03 04:13:11,927 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 04:13:11,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-12-03 04:13:11,927 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 04:13:11,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-03 04:13:11,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-03 04:13:11,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2018-12-03 04:13:11,929 INFO L87 Difference]: Start difference. First operand 16434 states and 16924 transitions. Second operand 15 states. [2018-12-03 04:13:19,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:13:19,368 INFO L93 Difference]: Finished difference Result 32579 states and 33627 transitions. [2018-12-03 04:13:19,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-12-03 04:13:19,369 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 1639 [2018-12-03 04:13:19,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:13:19,371 INFO L225 Difference]: With dead ends: 32579 [2018-12-03 04:13:19,371 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 04:13:19,392 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3340 GetRequests, 3297 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=296, Invalid=1344, Unknown=0, NotChecked=0, Total=1640 [2018-12-03 04:13:19,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 04:13:19,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 04:13:19,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 04:13:19,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 04:13:19,393 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1639 [2018-12-03 04:13:19,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:13:19,393 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 04:13:19,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-03 04:13:19,393 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 04:13:19,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 04:13:19,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 04:13:19,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:19,965 WARN L180 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 523 [2018-12-03 04:13:20,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:13:20,902 WARN L180 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 546 [2018-12-03 04:13:23,870 WARN L180 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 519 DAG size of output: 84 [2018-12-03 04:13:25,492 WARN L180 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 373 DAG size of output: 86 [2018-12-03 04:13:26,722 WARN L180 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 380 DAG size of output: 82 [2018-12-03 04:13:28,973 WARN L180 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 442 DAG size of output: 114 [2018-12-03 04:13:33,342 WARN L180 SmtUtils]: Spent 4.35 s on a formula simplification. DAG size of input: 539 DAG size of output: 81 [2018-12-03 04:13:33,343 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 04:13:33,343 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-12-03 04:13:33,344 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 04:13:33,344 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,344 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-12-03 04:13:33,344 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,344 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,344 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,344 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,344 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,344 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,344 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,344 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,344 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,344 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,344 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,344 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,344 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,344 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,344 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,344 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,344 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,344 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,344 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,345 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,345 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,345 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,345 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,345 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,345 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,345 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,345 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,345 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse22 (= |old(~a15~0)| ~a15~0)) (.cse11 (= ~a16~0 |old(~a16~0)|)) (.cse13 (= ~a18~0 |old(~a18~0)|)) (.cse14 (= |old(~a12~0)| ~a12~0)) (.cse6 (= 5 |old(~a12~0)|)) (.cse21 (= 8 |old(~a16~0)|)) (.cse8 (< |old(~a12~0)| 7)) (.cse5 (= 7 |old(~a12~0)|))) (let ((.cse9 (or .cse8 .cse5 (< 8 |old(~a16~0)|))) (.cse1 (not (= 9 |old(~a12~0)|))) (.cse12 (= 3 ~a15~0)) (.cse17 (not .cse21)) (.cse2 (not (= 9 |old(~a16~0)|))) (.cse7 (< 7 |old(~a12~0)|)) (.cse4 (= 12 |old(~a16~0)|)) (.cse18 (< |old(~a15~0)| 4)) (.cse3 (= 4 |old(~a15~0)|)) (.cse19 (not (= 8 |old(~a12~0)|))) (.cse15 (not .cse5)) (.cse16 (<= (+ |old(~a18~0)| 156) 0)) (.cse10 (not (= 3 |old(~a15~0)|))) (.cse20 (not .cse6)) (.cse0 (and .cse22 .cse11 .cse13 .cse14))) (and (or .cse0 .cse1 .cse2) (or .cse3 (< |old(~a16~0)| 12) .cse0 .cse1) (or .cse4 .cse5 .cse6 .cse0 .cse7) (or .cse8 .cse3 .cse0 .cse2) (or .cse0 .cse3 .cse9) (or (or .cse10 (not (= 11 |old(~a16~0)|))) (and (and .cse11 .cse12 .cse13) .cse14) .cse1) (or .cse9 .cse0 .cse1) (or .cse5 .cse3 .cse6 .cse0 .cse7) (or .cse10 (and .cse11 .cse12 .cse13 .cse14) .cse15 (< 0 (+ |old(~a18~0)| 87)) .cse16) (or .cse17 .cse15 .cse0 .cse18) (or .cse17 .cse19 .cse0) (or .cse0 .cse19 .cse2) (or .cse0 .cse2 .cse7 .cse18) (or .cse4 .cse20 .cse18 .cse0) (or .cse3 .cse0 .cse19) (or (or .cse15 .cse21) .cse10 (and (and .cse22 .cse11 .cse13) .cse14) .cse16) (or .cse10 .cse20 .cse0 (= 0 |old(~a16~0)|) .cse21)))) [2018-12-03 04:13:33,345 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,345 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,345 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,345 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,345 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,345 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,345 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,346 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-12-03 04:13:33,346 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,346 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,346 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,346 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,346 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,346 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,346 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,346 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,346 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-12-03 04:13:33,346 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,346 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,346 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,346 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,346 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,347 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,347 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,347 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,347 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,347 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,347 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,347 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,347 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,347 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-03 04:13:33,347 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,347 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-03 04:13:33,347 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-03 04:13:33,347 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse20 (= |old(~a15~0)| ~a15~0)) (.cse7 (= ~a16~0 |old(~a16~0)|)) (.cse9 (= ~a18~0 |old(~a18~0)|)) (.cse10 (= |old(~a12~0)| ~a12~0)) (.cse3 (< |old(~a12~0)| 7)) (.cse16 (= 7 |old(~a12~0)|)) (.cse24 (= 8 |old(~a16~0)|)) (.cse17 (= 5 |old(~a12~0)|))) (let ((.cse14 (not .cse17)) (.cse11 (not .cse24)) (.cse19 (or .cse3 .cse16 (< 8 |old(~a16~0)|))) (.cse22 (= |old(~a16~0)| ~a16~0)) (.cse4 (= 4 |old(~a15~0)|)) (.cse1 (not (= 9 |old(~a12~0)|))) (.cse18 (not (= 8 |old(~a12~0)|))) (.cse2 (not (= 9 |old(~a16~0)|))) (.cse12 (< 7 |old(~a12~0)|)) (.cse13 (< |old(~a15~0)| 4)) (.cse0 (and .cse20 .cse7 .cse9 .cse10)) (.cse15 (= |calculate_output_#in~input| 0)) (.cse6 (not (= 11 |old(~a16~0)|))) (.cse21 (not (= calculate_output_~input 0))) (.cse8 (= 3 ~a15~0)) (.cse26 (+ |old(~a18~0)| 87)) (.cse5 (not (= 3 |old(~a15~0)|))) (.cse23 (not .cse16)) (.cse25 (<= (+ |old(~a18~0)| 156) 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse2) (or (or .cse5 .cse6) (and (and .cse7 .cse8 .cse9) .cse10) .cse1) (or .cse11 .cse0 .cse12 .cse13) (or .cse11 (or .cse5 .cse14) .cse15) (or .cse16 .cse4 .cse17 .cse0 .cse12) (or .cse4 .cse18 .cse0) (or .cse19 (and (and .cse7 .cse9) .cse20 .cse10) .cse1) (or .cse5 .cse14 (and .cse20 .cse21 .cse7 .cse9 .cse10) (= 0 |old(~a16~0)|) .cse15) (or .cse0 (= 12 |old(~a16~0)|) .cse16 .cse12 .cse13) (or .cse11 .cse18 (and (and .cse22 .cse9) .cse20 .cse10)) (or .cse4 .cse19 (and (and .cse22 .cse9 .cse10) .cse20)) (or .cse4 .cse0 (< |old(~a16~0)| 12) .cse1) (or .cse0 .cse18 .cse2) (or .cse0 .cse2 .cse12 .cse13) (or .cse5 .cse0 .cse23 .cse24 .cse25) (or .cse15 (or .cse5 (not (= 6 |old(~a12~0)|)) .cse6) (not (= .cse26 0)) .cse21) (or .cse5 .cse23 (and .cse7 .cse8 .cse9 .cse10) (< 0 .cse26) .cse25) (or .cse5 (or .cse23 .cse24) (or (not (= 11 ~a16~0)) (not (= calculate_output_~input 3)) (< 0 (+ ~a18~0 79))) .cse25)))) [2018-12-03 04:13:33,347 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,347 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-12-03 04:13:33,347 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,347 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,347 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,347 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,347 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,347 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,348 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,348 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-03 04:13:33,348 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-03 04:13:33,348 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,348 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-03 04:13:33,348 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,348 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,348 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,348 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,348 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,348 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,348 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,348 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,348 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,348 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,348 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,348 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,348 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,348 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,348 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,348 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-03 04:13:33,348 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,348 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-03 04:13:33,348 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-03 04:13:33,348 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,349 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,349 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,349 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,349 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,349 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,349 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,349 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,349 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,349 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,349 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-03 04:13:33,349 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-03 04:13:33,349 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,349 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-03 04:13:33,349 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,349 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,349 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,349 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,349 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,349 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,349 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,349 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,349 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,349 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,349 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,349 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,349 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-03 04:13:33,350 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,350 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-03 04:13:33,350 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-03 04:13:33,350 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,350 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,350 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,350 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,350 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,350 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,350 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,350 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,350 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,350 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,350 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,350 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,350 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-03 04:13:33,350 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,350 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-03 04:13:33,350 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,350 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-03 04:13:33,350 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,350 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,350 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,350 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,350 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,350 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,351 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,351 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,351 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,351 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,351 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,351 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,351 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,351 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-03 04:13:33,351 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-03 04:13:33,351 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-03 04:13:33,351 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,351 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,351 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,351 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,351 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,351 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,351 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,351 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,351 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,351 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,351 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,351 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,351 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-03 04:13:33,351 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,351 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-03 04:13:33,351 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-03 04:13:33,351 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,352 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,352 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,352 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,352 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,352 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,352 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse17 (= ~a16~0 |old(~a16~0)|)) (.cse18 (= ~a18~0 |old(~a18~0)|)) (.cse19 (= |old(~a12~0)| ~a12~0)) (.cse8 (< |old(~a12~0)| 7)) (.cse5 (= 7 |old(~a12~0)|)) (.cse15 (= 8 |old(~a16~0)|))) (let ((.cse11 (not .cse15)) (.cse10 (or .cse8 .cse5 (< 8 |old(~a16~0)|))) (.cse1 (not (= 9 |old(~a12~0)|))) (.cse2 (not (= 9 |old(~a16~0)|))) (.cse6 (< 7 |old(~a12~0)|)) (.cse7 (< |old(~a15~0)| 4)) (.cse9 (= 4 |old(~a15~0)|)) (.cse13 (not (= 8 |old(~a12~0)|))) (.cse14 (not .cse5)) (.cse16 (<= (+ |old(~a18~0)| 156) 0)) (.cse4 (and .cse17 (= 3 ~a15~0) .cse18 .cse19)) (.cse3 (not (= 3 |old(~a15~0)|))) (.cse12 (= 5 |old(~a12~0)|)) (.cse0 (and (= |old(~a15~0)| ~a15~0) .cse17 .cse18 .cse19))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 (not (= 11 |old(~a16~0)|))) .cse1 .cse4) (or (= 12 |old(~a16~0)|) .cse5 .cse0 .cse6 .cse7) (or .cse8 .cse9 .cse0 .cse2) (or .cse9 (< |old(~a16~0)| 12) .cse1 .cse0) (or .cse9 .cse0 .cse10) (or .cse11 .cse0 .cse6 .cse7) (or .cse5 .cse9 .cse12 .cse0 .cse6) (or .cse11 .cse13 .cse0) (or .cse0 .cse13 .cse2) (or .cse0 .cse10 .cse1) (or .cse0 .cse2 .cse6 .cse7) (or .cse9 .cse0 .cse13) (or .cse3 .cse0 .cse14 .cse15 .cse16) (or .cse3 .cse14 (< 0 (+ |old(~a18~0)| 87)) .cse16 .cse4) (or .cse3 (not .cse12) (= 0 |old(~a16~0)|) (= |calculate_output_#in~input| 0) .cse0)))) [2018-12-03 04:13:33,352 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,352 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,352 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,352 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,352 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,352 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,352 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,352 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,353 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,353 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-03 04:13:33,353 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-03 04:13:33,353 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-03 04:13:33,353 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,353 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,353 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,353 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,353 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,353 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,353 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,353 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,353 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,353 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,353 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,354 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-03 04:13:33,354 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,354 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-03 04:13:33,354 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-03 04:13:33,354 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,354 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,354 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,354 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,354 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,354 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,354 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,354 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,354 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,354 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,354 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,355 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,355 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-03 04:13:33,355 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-03 04:13:33,355 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-03 04:13:33,355 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,355 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,355 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,355 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,355 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,355 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,355 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,355 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,355 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,355 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,355 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,356 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,356 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-03 04:13:33,356 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,356 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-03 04:13:33,356 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-03 04:13:33,356 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,356 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,356 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,356 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,356 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,356 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,356 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,356 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,356 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,357 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,357 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,357 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,357 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-03 04:13:33,357 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-03 04:13:33,357 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-03 04:13:33,357 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,357 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,357 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,357 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,357 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,357 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,357 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 169) no Hoare annotation was computed. [2018-12-03 04:13:33,358 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,358 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,358 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,358 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,358 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,358 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,358 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,358 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-03 04:13:33,358 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-03 04:13:33,358 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,358 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,358 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,358 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,358 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,359 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,359 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,359 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,359 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,359 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,359 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-03 04:13:33,359 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-03 04:13:33,359 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,359 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,359 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,359 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,359 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,359 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,359 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,359 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,359 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,360 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,360 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,360 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,360 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,360 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,360 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-03 04:13:33,360 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-03 04:13:33,360 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,360 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,360 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,360 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,360 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,360 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,360 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,360 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,360 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,360 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,360 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-03 04:13:33,361 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-03 04:13:33,361 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,361 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,361 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,361 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,361 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,361 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,361 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,361 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,361 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,361 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,361 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,361 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,361 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,361 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,361 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,361 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-03 04:13:33,361 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-03 04:13:33,361 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,361 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,361 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,361 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,361 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,361 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,361 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,361 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,361 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-03 04:13:33,362 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,362 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,362 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,362 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,362 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-03 04:13:33,362 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-03 04:13:33,362 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-03 04:13:33,362 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,362 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,362 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,362 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,362 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,362 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,362 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,362 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,362 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,362 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,362 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,362 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,362 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,362 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,362 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-03 04:13:33,362 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-03 04:13:33,362 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-03 04:13:33,362 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,362 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,362 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,363 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,363 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,363 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,363 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,363 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,363 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,363 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,363 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,363 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,363 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,363 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,363 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,363 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-03 04:13:33,363 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-03 04:13:33,363 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-03 04:13:33,363 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,363 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,363 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,363 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,363 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,363 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,363 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,363 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,363 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:13:33,363 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-03 04:13:33,363 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-03 04:13:33,363 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-03 04:13:33,363 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,364 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,364 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-12-03 04:13:33,364 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 04:13:33,364 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-12-03 04:13:33,364 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 04:13:33,364 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 04:13:33,364 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (and (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a12~0)| ~a12~0)) (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 11 |old(~a16~0)|))) [2018-12-03 04:13:33,364 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-12-03 04:13:33,364 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse1 (<= 7 ~a12~0)) (.cse0 (= 9 ~a16~0)) (.cse6 (= 7 ~a12~0)) (.cse11 (= ~a15~0 3)) (.cse7 (< 0 (+ ~a18~0 156))) (.cse13 (= 8 ~a16~0)) (.cse9 (<= 4 ~a15~0)) (.cse5 (= 3 ~a15~0)) (.cse8 (= 8 ~a12~0)) (.cse12 (= ~a12~0 5)) (.cse2 (not (= ~a15~0 4))) (.cse4 (not (= ~a12~0 7))) (.cse10 (<= ~a12~0 7)) (.cse3 (= ~a12~0 9))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 .cse1 .cse2) (not (= (+ |old(~a18~0)| 87) 0)) (and (and (<= 12 ~a16~0) .cse2) .cse3) (not (= 3 |old(~a15~0)|)) (and .cse2 (and .cse1 .cse4 (<= ~a16~0 8))) (and .cse5 .cse6 (<= (+ ~a18~0 87) 0) .cse7) (and .cse0 .cse8) (and .cse9 .cse10 (and (not (= ~a16~0 12)) .cse4)) (and .cse0 .cse9 .cse10) (and (not (= ~a16~0 0)) (not (= main_~input~0 0)) .cse11 .cse12) (and .cse13 .cse8) (and (and (not (= ~a16~0 8)) .cse6) .cse11 .cse7) (not (= 5 |old(~a12~0)|)) (and .cse13 (and .cse9 .cse10)) (and (and (= 11 ~a16~0) .cse5) .cse3) (and .cse8 .cse2) (and (not .cse12) .cse2 (and .cse4 .cse10)) (and (<= ~a16~0 9) .cse3))) [2018-12-03 04:13:33,364 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-12-03 04:13:33,364 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-12-03 04:13:33,364 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse1 (<= 7 ~a12~0)) (.cse0 (= 9 ~a16~0)) (.cse6 (= 7 ~a12~0)) (.cse9 (= ~a15~0 3)) (.cse7 (< 0 (+ ~a18~0 156))) (.cse13 (= 8 ~a16~0)) (.cse11 (<= 4 ~a15~0)) (.cse5 (= 3 ~a15~0)) (.cse8 (= 8 ~a12~0)) (.cse10 (= ~a12~0 5)) (.cse2 (not (= ~a15~0 4))) (.cse4 (not (= ~a12~0 7))) (.cse12 (<= ~a12~0 7)) (.cse3 (= ~a12~0 9))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 .cse1 .cse2) (not (= (+ |old(~a18~0)| 87) 0)) (and (and (<= 12 ~a16~0) .cse2) .cse3) (not (= 3 |old(~a15~0)|)) (and .cse2 (and .cse1 .cse4 (<= ~a16~0 8))) (and .cse5 .cse6 (<= (+ ~a18~0 87) 0) .cse7) (and .cse0 .cse8) (and (not (= ~a16~0 0)) .cse9 .cse10) (and .cse11 .cse12 (and (not (= ~a16~0 12)) .cse4)) (and .cse0 .cse11 .cse12) (and .cse13 .cse8) (and (and (not (= ~a16~0 8)) .cse6) .cse9 .cse7) (not (= 5 |old(~a12~0)|)) (and .cse13 (and .cse11 .cse12)) (and (and (= 11 ~a16~0) .cse5) .cse3) (and .cse8 .cse2) (and (not .cse10) .cse2 (and .cse4 .cse12)) (and (<= ~a16~0 9) .cse3))) [2018-12-03 04:13:33,364 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-12-03 04:13:33,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 04:13:33 BoogieIcfgContainer [2018-12-03 04:13:33,372 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 04:13:33,372 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 04:13:33,372 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 04:13:33,372 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 04:13:33,373 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:09:06" (3/4) ... [2018-12-03 04:13:33,375 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 04:13:33,378 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 04:13:33,379 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-03 04:13:33,379 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-03 04:13:33,379 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 04:13:33,392 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-03 04:13:33,394 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-03 04:13:33,411 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((!(11 == \old(a16)) || ((9 == a16 && 7 <= a12) && !(a15 == 4))) || !(\old(a18) + 87 == 0)) || ((12 <= a16 && !(a15 == 4)) && a12 == 9)) || !(3 == \old(a15))) || (!(a15 == 4) && (7 <= a12 && !(a12 == 7)) && a16 <= 8)) || (((3 == a15 && 7 == a12) && a18 + 87 <= 0) && 0 < a18 + 156)) || (9 == a16 && 8 == a12)) || ((!(a16 == 0) && a15 == 3) && a12 == 5)) || ((4 <= a15 && a12 <= 7) && !(a16 == 12) && !(a12 == 7))) || ((9 == a16 && 4 <= a15) && a12 <= 7)) || (8 == a16 && 8 == a12)) || (((!(a16 == 8) && 7 == a12) && a15 == 3) && 0 < a18 + 156)) || !(5 == \old(a12))) || (8 == a16 && 4 <= a15 && a12 <= 7)) || ((11 == a16 && 3 == a15) && a12 == 9)) || (8 == a12 && !(a15 == 4))) || ((!(a12 == 5) && !(a15 == 4)) && !(a12 == 7) && a12 <= 7)) || (a16 <= 9 && a12 == 9) [2018-12-03 04:13:33,487 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a1244b5a-5734-401c-81ac-dfdbcbfbdb40/bin-2019/utaipan/witness.graphml [2018-12-03 04:13:33,487 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 04:13:33,488 INFO L168 Benchmark]: Toolchain (without parser) took 268968.97 ms. Allocated memory was 1.0 GB in the beginning and 5.1 GB in the end (delta: 4.1 GB). Free memory was 951.7 MB in the beginning and 3.8 GB in the end (delta: -2.8 GB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-03 04:13:33,488 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 04:13:33,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 513.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -109.4 MB). Peak memory consumption was 73.3 MB. Max. memory is 11.5 GB. [2018-12-03 04:13:33,488 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-12-03 04:13:33,489 INFO L168 Benchmark]: Boogie Preprocessor took 62.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2018-12-03 04:13:33,489 INFO L168 Benchmark]: RCFGBuilder took 1267.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 799.6 MB in the end (delta: 245.7 MB). Peak memory consumption was 245.7 MB. Max. memory is 11.5 GB. [2018-12-03 04:13:33,489 INFO L168 Benchmark]: TraceAbstraction took 266983.37 ms. Allocated memory was 1.1 GB in the beginning and 5.1 GB in the end (delta: 4.0 GB). Free memory was 799.6 MB in the beginning and 3.8 GB in the end (delta: -3.0 GB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. [2018-12-03 04:13:33,489 INFO L168 Benchmark]: Witness Printer took 115.05 ms. Allocated memory is still 5.1 GB. Free memory was 3.8 GB in the beginning and 3.8 GB in the end (delta: 75.4 MB). Peak memory consumption was 75.4 MB. Max. memory is 11.5 GB. [2018-12-03 04:13:33,490 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 513.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -109.4 MB). Peak memory consumption was 73.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1267.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 799.6 MB in the end (delta: 245.7 MB). Peak memory consumption was 245.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 266983.37 ms. Allocated memory was 1.1 GB in the beginning and 5.1 GB in the end (delta: 4.0 GB). Free memory was 799.6 MB in the beginning and 3.8 GB in the end (delta: -3.0 GB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. * Witness Printer took 115.05 ms. Allocated memory is still 5.1 GB. Free memory was 3.8 GB in the beginning and 3.8 GB in the end (delta: 75.4 MB). Peak memory consumption was 75.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 169]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1773]: Loop Invariant Derived loop invariant: (((((((((((((((((!(11 == \old(a16)) || ((9 == a16 && 7 <= a12) && !(a15 == 4))) || !(\old(a18) + 87 == 0)) || ((12 <= a16 && !(a15 == 4)) && a12 == 9)) || !(3 == \old(a15))) || (!(a15 == 4) && (7 <= a12 && !(a12 == 7)) && a16 <= 8)) || (((3 == a15 && 7 == a12) && a18 + 87 <= 0) && 0 < a18 + 156)) || (9 == a16 && 8 == a12)) || ((!(a16 == 0) && a15 == 3) && a12 == 5)) || ((4 <= a15 && a12 <= 7) && !(a16 == 12) && !(a12 == 7))) || ((9 == a16 && 4 <= a15) && a12 <= 7)) || (8 == a16 && 8 == a12)) || (((!(a16 == 8) && 7 == a12) && a15 == 3) && 0 < a18 + 156)) || !(5 == \old(a12))) || (8 == a16 && 4 <= a15 && a12 <= 7)) || ((11 == a16 && 3 == a15) && a12 == 9)) || (8 == a12 && !(a15 == 4))) || ((!(a12 == 5) && !(a15 == 4)) && !(a12 == 7) && a12 <= 7)) || (a16 <= 9 && a12 == 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 266.9s OverallTime, 17 OverallIterations, 10 TraceHistogramMax, 223.5s AutomataDifference, 0.0s DeadEndRemovalTime, 13.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1993 SDtfs, 33720 SDslu, 2193 SDs, 0 SdLazy, 64993 SolverSat, 8513 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 199.5s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 22946 GetRequests, 22579 SyntacticMatches, 34 SemanticMatches, 333 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2677 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18195occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.4s AbstIntTime, 13 AbstIntIterations, 3 AbstIntStrong, 0.9974535997049124 AbsIntWeakeningRatio, 0.0915032679738562 AbsIntAvgWeakeningVarsNumRemoved, 16.33769063180828 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 17 MinimizatonAttempts, 8496 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1695 PreInvPairs, 1939 NumberOfFragments, 1843 HoareAnnotationTreeSize, 1695 FomulaSimplifications, 159283 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 150673 FormulaSimplificationTreeSizeReductionInter, 12.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 12.2s InterpolantComputationTime, 22998 NumberOfCodeBlocks, 22998 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 33745 ConstructedInterpolants, 0 QuantifiedInterpolants, 95441437 SizeOfPredicates, 5 NumberOfNonLiveVariables, 14163 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 37 InterpolantComputations, 6 PerfectInterpolantSequences, 66266/70839 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...