./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label36_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_746ef97f-da9c-4329-af70-11e5ece9e8c9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_746ef97f-da9c-4329-af70-11e5ece9e8c9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_746ef97f-da9c-4329-af70-11e5ece9e8c9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_746ef97f-da9c-4329-af70-11e5ece9e8c9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label36_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_746ef97f-da9c-4329-af70-11e5ece9e8c9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_746ef97f-da9c-4329-af70-11e5ece9e8c9/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 9fc45ae4ddf84075a39a55d475a45c859aa435e6 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 11:42:00,426 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:42:00,427 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:42:00,434 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:42:00,434 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:42:00,435 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:42:00,435 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:42:00,437 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:42:00,438 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:42:00,438 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:42:00,439 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:42:00,439 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:42:00,440 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:42:00,440 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:42:00,441 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:42:00,441 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:42:00,442 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:42:00,443 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:42:00,445 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:42:00,446 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:42:00,446 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:42:00,447 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:42:00,449 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 11:42:00,449 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 11:42:00,449 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 11:42:00,450 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 11:42:00,450 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 11:42:00,451 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 11:42:00,451 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 11:42:00,452 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 11:42:00,452 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 11:42:00,453 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 11:42:00,453 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:42:00,453 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:42:00,454 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:42:00,454 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:42:00,455 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_746ef97f-da9c-4329-af70-11e5ece9e8c9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 11:42:00,465 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:42:00,465 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:42:00,466 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:42:00,466 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:42:00,466 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 11:42:00,466 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 11:42:00,466 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 11:42:00,466 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 11:42:00,467 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 11:42:00,467 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 11:42:00,467 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 11:42:00,467 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 11:42:00,467 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 11:42:00,468 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:42:00,468 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:42:00,468 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 11:42:00,468 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:42:00,468 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:42:00,468 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:42:00,469 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:42:00,469 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:42:00,469 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:42:00,469 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:42:00,469 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:42:00,469 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:42:00,469 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:42:00,470 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:42:00,470 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:42:00,470 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:42:00,470 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:42:00,470 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:42:00,470 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:42:00,470 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:42:00,471 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 11:42:00,471 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:42:00,471 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 11:42:00,471 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 11:42:00,471 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_746ef97f-da9c-4329-af70-11e5ece9e8c9/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 -> 9fc45ae4ddf84075a39a55d475a45c859aa435e6 [2018-11-23 11:42:00,494 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:42:00,503 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:42:00,506 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:42:00,507 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:42:00,507 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:42:00,508 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_746ef97f-da9c-4329-af70-11e5ece9e8c9/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label36_true-unreach-call_false-termination.c [2018-11-23 11:42:00,550 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_746ef97f-da9c-4329-af70-11e5ece9e8c9/bin-2019/utaipan/data/c5eac41c2/2cf678dc8f94418ca71a23f985ce1adf/FLAGd91b2b562 [2018-11-23 11:42:01,009 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:42:01,010 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_746ef97f-da9c-4329-af70-11e5ece9e8c9/sv-benchmarks/c/eca-rers2012/Problem02_label36_true-unreach-call_false-termination.c [2018-11-23 11:42:01,019 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_746ef97f-da9c-4329-af70-11e5ece9e8c9/bin-2019/utaipan/data/c5eac41c2/2cf678dc8f94418ca71a23f985ce1adf/FLAGd91b2b562 [2018-11-23 11:42:01,528 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_746ef97f-da9c-4329-af70-11e5ece9e8c9/bin-2019/utaipan/data/c5eac41c2/2cf678dc8f94418ca71a23f985ce1adf [2018-11-23 11:42:01,530 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:42:01,531 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:42:01,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:42:01,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:42:01,535 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:42:01,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:42:01" (1/1) ... [2018-11-23 11:42:01,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e5f2ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:42:01, skipping insertion in model container [2018-11-23 11:42:01,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:42:01" (1/1) ... [2018-11-23 11:42:01,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:42:01,581 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:42:01,816 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:42:01,819 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:42:01,884 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:42:01,897 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:42:01,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:42:01 WrapperNode [2018-11-23 11:42:01,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:42:01,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:42:01,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:42:01,898 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:42:01,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:42:01" (1/1) ... [2018-11-23 11:42:01,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:42:01" (1/1) ... [2018-11-23 11:42:01,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:42:01,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:42:01,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:42:01,968 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:42:01,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:42:01" (1/1) ... [2018-11-23 11:42:01,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:42:01" (1/1) ... [2018-11-23 11:42:01,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:42:01" (1/1) ... [2018-11-23 11:42:01,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:42:01" (1/1) ... [2018-11-23 11:42:02,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:42:01" (1/1) ... [2018-11-23 11:42:02,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:42:01" (1/1) ... [2018-11-23 11:42:02,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:42:01" (1/1) ... [2018-11-23 11:42:02,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:42:02,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:42:02,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:42:02,020 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:42:02,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:42:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_746ef97f-da9c-4329-af70-11e5ece9e8c9/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:42:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 11:42:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:42:02,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:42:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 11:42:02,068 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 11:42:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:42:02,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:42:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:42:02,068 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:42:02,901 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:42:02,901 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 11:42:02,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:42:02 BoogieIcfgContainer [2018-11-23 11:42:02,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:42:02,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:42:02,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:42:02,905 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:42:02,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:42:01" (1/3) ... [2018-11-23 11:42:02,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a990adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:42:02, skipping insertion in model container [2018-11-23 11:42:02,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:42:01" (2/3) ... [2018-11-23 11:42:02,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a990adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:42:02, skipping insertion in model container [2018-11-23 11:42:02,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:42:02" (3/3) ... [2018-11-23 11:42:02,909 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label36_true-unreach-call_false-termination.c [2018-11-23 11:42:02,915 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:42:02,920 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:42:02,930 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:42:02,952 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:42:02,952 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:42:02,952 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:42:02,952 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:42:02,952 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:42:02,952 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:42:02,952 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:42:02,953 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:42:02,969 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-23 11:42:02,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 11:42:02,978 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:42:02,979 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:42:02,981 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:42:02,985 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:42:02,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1783412414, now seen corresponding path program 1 times [2018-11-23 11:42:02,986 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:42:03,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:42:03,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:42:03,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:42:03,016 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:42:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:42:03,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:42:03,275 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:42:03,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 11:42:03,275 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:42:03,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 11:42:03,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 11:42:03,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:42:03,289 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-23 11:42:03,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:42:03,867 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2018-11-23 11:42:03,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 11:42:03,868 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2018-11-23 11:42:03,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:42:03,880 INFO L225 Difference]: With dead ends: 615 [2018-11-23 11:42:03,880 INFO L226 Difference]: Without dead ends: 377 [2018-11-23 11:42:03,884 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:42:03,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-11-23 11:42:03,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2018-11-23 11:42:03,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2018-11-23 11:42:03,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 619 transitions. [2018-11-23 11:42:03,932 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 619 transitions. Word has length 138 [2018-11-23 11:42:03,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:42:03,932 INFO L480 AbstractCegarLoop]: Abstraction has 377 states and 619 transitions. [2018-11-23 11:42:03,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 11:42:03,932 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 619 transitions. [2018-11-23 11:42:03,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-23 11:42:03,935 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:42:03,935 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:42:03,936 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:42:03,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:42:03,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1214280925, now seen corresponding path program 1 times [2018-11-23 11:42:03,936 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:42:03,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:42:03,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:42:03,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:42:03,943 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:42:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:42:04,046 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:42:04,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:42:04,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 11:42:04,047 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:42:04,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 11:42:04,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 11:42:04,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:42:04,049 INFO L87 Difference]: Start difference. First operand 377 states and 619 transitions. Second operand 6 states. [2018-11-23 11:42:04,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:42:04,705 INFO L93 Difference]: Finished difference Result 1222 states and 2085 transitions. [2018-11-23 11:42:04,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 11:42:04,710 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2018-11-23 11:42:04,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:42:04,715 INFO L225 Difference]: With dead ends: 1222 [2018-11-23 11:42:04,715 INFO L226 Difference]: Without dead ends: 851 [2018-11-23 11:42:04,719 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 11:42:04,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2018-11-23 11:42:04,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 817. [2018-11-23 11:42:04,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 817 states. [2018-11-23 11:42:04,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1286 transitions. [2018-11-23 11:42:04,761 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1286 transitions. Word has length 153 [2018-11-23 11:42:04,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:42:04,762 INFO L480 AbstractCegarLoop]: Abstraction has 817 states and 1286 transitions. [2018-11-23 11:42:04,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 11:42:04,762 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1286 transitions. [2018-11-23 11:42:04,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-23 11:42:04,765 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:42:04,766 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:42:04,766 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:42:04,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:42:04,767 INFO L82 PathProgramCache]: Analyzing trace with hash -405364120, now seen corresponding path program 1 times [2018-11-23 11:42:04,767 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:42:04,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:42:04,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:42:04,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:42:04,768 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:42:04,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:42:04,867 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 11:42:04,868 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:42:04,868 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 11:42:04,868 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-11-23 11:42:04,870 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 11:42:04,898 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 11:42:04,898 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 11:42:05,227 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 11:42:05,229 INFO L272 AbstractInterpreter]: Visited 139 different actions 139 times. Never merged. Never widened. Performed 1516 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1516 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-23 11:42:05,246 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:42:05,246 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 11:42:05,532 INFO L227 lantSequenceWeakener]: Weakened 152 states. On average, predicates are now at 81.28% of their original sizes. [2018-11-23 11:42:05,532 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 11:42:05,574 INFO L415 sIntCurrentIteration]: We unified 160 AI predicates to 160 [2018-11-23 11:42:05,574 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 11:42:05,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 11:42:05,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-23 11:42:05,575 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:42:05,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 11:42:05,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 11:42:05,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:42:05,577 INFO L87 Difference]: Start difference. First operand 817 states and 1286 transitions. Second operand 6 states. [2018-11-23 11:42:08,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:42:08,496 INFO L93 Difference]: Finished difference Result 1776 states and 2791 transitions. [2018-11-23 11:42:08,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 11:42:08,497 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161 [2018-11-23 11:42:08,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:42:08,501 INFO L225 Difference]: With dead ends: 1776 [2018-11-23 11:42:08,501 INFO L226 Difference]: Without dead ends: 965 [2018-11-23 11:42:08,503 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 161 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 11:42:08,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2018-11-23 11:42:08,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 963. [2018-11-23 11:42:08,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2018-11-23 11:42:08,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1439 transitions. [2018-11-23 11:42:08,529 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1439 transitions. Word has length 161 [2018-11-23 11:42:08,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:42:08,530 INFO L480 AbstractCegarLoop]: Abstraction has 963 states and 1439 transitions. [2018-11-23 11:42:08,530 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 11:42:08,530 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1439 transitions. [2018-11-23 11:42:08,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-23 11:42:08,533 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:42:08,533 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-11-23 11:42:08,534 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:42:08,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:42:08,534 INFO L82 PathProgramCache]: Analyzing trace with hash 620824471, now seen corresponding path program 1 times [2018-11-23 11:42:08,534 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:42:08,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:42:08,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:42:08,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:42:08,535 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:42:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:42:08,714 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 11:42:08,714 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:42:08,714 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 11:42:08,714 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 171 with the following transitions: [2018-11-23 11:42:08,715 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 11:42:08,719 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 11:42:08,719 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 11:42:09,092 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 11:42:09,093 INFO L272 AbstractInterpreter]: Visited 143 different actions 424 times. Merged at 6 different actions 15 times. Never widened. Performed 4742 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4742 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 11:42:09,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:42:09,106 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 11:42:09,306 INFO L227 lantSequenceWeakener]: Weakened 167 states. On average, predicates are now at 84.94% of their original sizes. [2018-11-23 11:42:09,306 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 11:42:09,381 INFO L415 sIntCurrentIteration]: We unified 169 AI predicates to 169 [2018-11-23 11:42:09,382 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 11:42:09,382 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 11:42:09,382 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-23 11:42:09,382 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:42:09,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 11:42:09,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 11:42:09,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 11:42:09,383 INFO L87 Difference]: Start difference. First operand 963 states and 1439 transitions. Second operand 9 states. [2018-11-23 11:42:12,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:42:12,072 INFO L93 Difference]: Finished difference Result 2376 states and 3563 transitions. [2018-11-23 11:42:12,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 11:42:12,072 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 170 [2018-11-23 11:42:12,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:42:12,078 INFO L225 Difference]: With dead ends: 2376 [2018-11-23 11:42:12,078 INFO L226 Difference]: Without dead ends: 1419 [2018-11-23 11:42:12,081 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 177 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-23 11:42:12,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1419 states. [2018-11-23 11:42:12,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1419 to 1342. [2018-11-23 11:42:12,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1342 states. [2018-11-23 11:42:12,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1920 transitions. [2018-11-23 11:42:12,118 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1920 transitions. Word has length 170 [2018-11-23 11:42:12,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:42:12,118 INFO L480 AbstractCegarLoop]: Abstraction has 1342 states and 1920 transitions. [2018-11-23 11:42:12,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 11:42:12,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1920 transitions. [2018-11-23 11:42:12,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-23 11:42:12,123 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:42:12,123 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:42:12,123 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:42:12,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:42:12,124 INFO L82 PathProgramCache]: Analyzing trace with hash -774275897, now seen corresponding path program 1 times [2018-11-23 11:42:12,124 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:42:12,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:42:12,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:42:12,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:42:12,125 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:42:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:42:12,229 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:42:12,229 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:42:12,229 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 11:42:12,230 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 170 with the following transitions: [2018-11-23 11:42:12,230 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 11:42:12,233 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 11:42:12,233 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 11:42:12,373 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 11:42:12,374 INFO L272 AbstractInterpreter]: Visited 142 different actions 278 times. Merged at 4 different actions 4 times. Never widened. Performed 3018 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3018 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-23 11:42:12,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:42:12,375 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 11:42:12,559 INFO L227 lantSequenceWeakener]: Weakened 166 states. On average, predicates are now at 81.25% of their original sizes. [2018-11-23 11:42:12,560 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 11:42:12,610 INFO L415 sIntCurrentIteration]: We unified 168 AI predicates to 168 [2018-11-23 11:42:12,610 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 11:42:12,611 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 11:42:12,611 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 11:42:12,611 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:42:12,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 11:42:12,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 11:42:12,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 11:42:12,612 INFO L87 Difference]: Start difference. First operand 1342 states and 1920 transitions. Second operand 10 states. [2018-11-23 11:42:15,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:42:15,203 INFO L93 Difference]: Finished difference Result 2974 states and 4227 transitions. [2018-11-23 11:42:15,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 11:42:15,203 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 169 [2018-11-23 11:42:15,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:42:15,207 INFO L225 Difference]: With dead ends: 2974 [2018-11-23 11:42:15,208 INFO L226 Difference]: Without dead ends: 1638 [2018-11-23 11:42:15,211 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 178 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 11:42:15,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1638 states. [2018-11-23 11:42:15,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1638 to 1635. [2018-11-23 11:42:15,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1635 states. [2018-11-23 11:42:15,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 2260 transitions. [2018-11-23 11:42:15,235 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 2260 transitions. Word has length 169 [2018-11-23 11:42:15,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:42:15,236 INFO L480 AbstractCegarLoop]: Abstraction has 1635 states and 2260 transitions. [2018-11-23 11:42:15,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 11:42:15,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 2260 transitions. [2018-11-23 11:42:15,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-23 11:42:15,238 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:42:15,239 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:42:15,239 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:42:15,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:42:15,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1714254655, now seen corresponding path program 1 times [2018-11-23 11:42:15,239 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:42:15,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:42:15,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:42:15,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:42:15,240 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:42:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:42:15,324 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 11:42:15,324 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:42:15,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 11:42:15,324 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:42:15,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 11:42:15,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 11:42:15,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:42:15,325 INFO L87 Difference]: Start difference. First operand 1635 states and 2260 transitions. Second operand 3 states. [2018-11-23 11:42:15,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:42:15,623 INFO L93 Difference]: Finished difference Result 3835 states and 5563 transitions. [2018-11-23 11:42:15,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 11:42:15,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2018-11-23 11:42:15,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:42:15,629 INFO L225 Difference]: With dead ends: 3835 [2018-11-23 11:42:15,629 INFO L226 Difference]: Without dead ends: 1661 [2018-11-23 11:42:15,634 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:42:15,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1661 states. [2018-11-23 11:42:15,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 1660. [2018-11-23 11:42:15,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1660 states. [2018-11-23 11:42:15,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1660 states and 2094 transitions. [2018-11-23 11:42:15,666 INFO L78 Accepts]: Start accepts. Automaton has 1660 states and 2094 transitions. Word has length 173 [2018-11-23 11:42:15,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:42:15,666 INFO L480 AbstractCegarLoop]: Abstraction has 1660 states and 2094 transitions. [2018-11-23 11:42:15,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 11:42:15,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 2094 transitions. [2018-11-23 11:42:15,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-23 11:42:15,671 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:42:15,671 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:42:15,671 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:42:15,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:42:15,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1576303530, now seen corresponding path program 1 times [2018-11-23 11:42:15,671 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:42:15,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:42:15,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:42:15,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:42:15,672 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:42:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:42:15,745 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 69 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 11:42:15,746 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:42:15,746 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 11:42:15,746 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 202 with the following transitions: [2018-11-23 11:42:15,746 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 11:42:15,749 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 11:42:15,749 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 11:42:16,031 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 11:42:16,031 INFO L272 AbstractInterpreter]: Visited 143 different actions 424 times. Merged at 7 different actions 15 times. Never widened. Performed 4899 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4899 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-23 11:42:16,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:42:16,034 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 11:42:16,206 INFO L227 lantSequenceWeakener]: Weakened 198 states. On average, predicates are now at 84.77% of their original sizes. [2018-11-23 11:42:16,206 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 11:42:16,249 INFO L415 sIntCurrentIteration]: We unified 200 AI predicates to 200 [2018-11-23 11:42:16,249 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 11:42:16,249 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 11:42:16,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 11:42:16,249 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:42:16,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 11:42:16,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 11:42:16,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 11:42:16,250 INFO L87 Difference]: Start difference. First operand 1660 states and 2094 transitions. Second operand 10 states. [2018-11-23 11:42:18,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:42:18,963 INFO L93 Difference]: Finished difference Result 4587 states and 5793 transitions. [2018-11-23 11:42:18,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-23 11:42:18,963 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 201 [2018-11-23 11:42:18,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:42:18,969 INFO L225 Difference]: With dead ends: 4587 [2018-11-23 11:42:18,969 INFO L226 Difference]: Without dead ends: 2933 [2018-11-23 11:42:18,972 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 212 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=116, Invalid=346, Unknown=0, NotChecked=0, Total=462 [2018-11-23 11:42:18,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2933 states. [2018-11-23 11:42:19,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2933 to 2894. [2018-11-23 11:42:19,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2894 states. [2018-11-23 11:42:19,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2894 states to 2894 states and 3460 transitions. [2018-11-23 11:42:19,023 INFO L78 Accepts]: Start accepts. Automaton has 2894 states and 3460 transitions. Word has length 201 [2018-11-23 11:42:19,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:42:19,024 INFO L480 AbstractCegarLoop]: Abstraction has 2894 states and 3460 transitions. [2018-11-23 11:42:19,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 11:42:19,024 INFO L276 IsEmpty]: Start isEmpty. Operand 2894 states and 3460 transitions. [2018-11-23 11:42:19,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-11-23 11:42:19,032 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:42:19,032 INFO L402 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:42:19,032 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:42:19,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:42:19,033 INFO L82 PathProgramCache]: Analyzing trace with hash -198388443, now seen corresponding path program 1 times [2018-11-23 11:42:19,033 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:42:19,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:42:19,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:42:19,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:42:19,034 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:42:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:42:19,158 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 101 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 11:42:19,158 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:42:19,158 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 11:42:19,158 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 246 with the following transitions: [2018-11-23 11:42:19,158 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 11:42:19,161 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 11:42:19,161 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 11:42:19,349 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 11:42:19,349 INFO L272 AbstractInterpreter]: Visited 143 different actions 421 times. Merged at 6 different actions 12 times. Never widened. Performed 4779 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4779 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-23 11:42:19,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:42:19,351 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 11:42:19,546 INFO L227 lantSequenceWeakener]: Weakened 240 states. On average, predicates are now at 84.61% of their original sizes. [2018-11-23 11:42:19,547 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 11:42:19,594 INFO L415 sIntCurrentIteration]: We unified 244 AI predicates to 244 [2018-11-23 11:42:19,594 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 11:42:19,595 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 11:42:19,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2018-11-23 11:42:19,595 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:42:19,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 11:42:19,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 11:42:19,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 11:42:19,595 INFO L87 Difference]: Start difference. First operand 2894 states and 3460 transitions. Second operand 10 states. [2018-11-23 11:42:21,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:42:21,851 INFO L93 Difference]: Finished difference Result 6610 states and 8005 transitions. [2018-11-23 11:42:21,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 11:42:21,851 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 245 [2018-11-23 11:42:21,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:42:21,860 INFO L225 Difference]: With dead ends: 6610 [2018-11-23 11:42:21,860 INFO L226 Difference]: Without dead ends: 3722 [2018-11-23 11:42:21,865 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 255 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-23 11:42:21,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3722 states. [2018-11-23 11:42:21,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3722 to 3703. [2018-11-23 11:42:21,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3703 states. [2018-11-23 11:42:21,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3703 states to 3703 states and 4460 transitions. [2018-11-23 11:42:21,928 INFO L78 Accepts]: Start accepts. Automaton has 3703 states and 4460 transitions. Word has length 245 [2018-11-23 11:42:21,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:42:21,928 INFO L480 AbstractCegarLoop]: Abstraction has 3703 states and 4460 transitions. [2018-11-23 11:42:21,928 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 11:42:21,929 INFO L276 IsEmpty]: Start isEmpty. Operand 3703 states and 4460 transitions. [2018-11-23 11:42:21,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-23 11:42:21,938 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:42:21,938 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:42:21,939 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:42:21,939 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:42:21,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1356360498, now seen corresponding path program 1 times [2018-11-23 11:42:21,939 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:42:21,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:42:21,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:42:21,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:42:21,940 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:42:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:42:22,048 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 116 proven. 16 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-23 11:42:22,048 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:42:22,048 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 11:42:22,049 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 254 with the following transitions: [2018-11-23 11:42:22,049 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 11:42:22,051 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 11:42:22,051 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 11:42:22,540 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 11:42:22,540 INFO L272 AbstractInterpreter]: Visited 147 different actions 727 times. Merged at 8 different actions 42 times. Widened at 1 different actions 1 times. Performed 8424 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8424 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 12 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 11:42:22,546 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:42:22,547 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 11:42:22,547 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:42:22,547 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_746ef97f-da9c-4329-af70-11e5ece9e8c9/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 11:42:22,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:42:22,555 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 11:42:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:42:22,640 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:42:22,733 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-11-23 11:42:22,733 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:42:22,859 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 116 proven. 16 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-23 11:42:22,885 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 11:42:22,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 11:42:22,885 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 11:42:22,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 11:42:22,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 11:42:22,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-11-23 11:42:22,886 INFO L87 Difference]: Start difference. First operand 3703 states and 4460 transitions. Second operand 9 states. [2018-11-23 11:42:24,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:42:24,750 INFO L93 Difference]: Finished difference Result 11692 states and 14689 transitions. [2018-11-23 11:42:24,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-23 11:42:24,751 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 253 [2018-11-23 11:42:24,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:42:24,764 INFO L225 Difference]: With dead ends: 11692 [2018-11-23 11:42:24,764 INFO L226 Difference]: Without dead ends: 7583 [2018-11-23 11:42:24,771 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 565 GetRequests, 528 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=319, Invalid=1087, Unknown=0, NotChecked=0, Total=1406 [2018-11-23 11:42:24,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7583 states. [2018-11-23 11:42:24,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7583 to 6995. [2018-11-23 11:42:24,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6995 states. [2018-11-23 11:42:24,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6995 states to 6995 states and 8175 transitions. [2018-11-23 11:42:24,849 INFO L78 Accepts]: Start accepts. Automaton has 6995 states and 8175 transitions. Word has length 253 [2018-11-23 11:42:24,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:42:24,849 INFO L480 AbstractCegarLoop]: Abstraction has 6995 states and 8175 transitions. [2018-11-23 11:42:24,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 11:42:24,849 INFO L276 IsEmpty]: Start isEmpty. Operand 6995 states and 8175 transitions. [2018-11-23 11:42:24,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-11-23 11:42:24,855 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:42:24,856 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:42:24,856 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:42:24,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:42:24,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1772043503, now seen corresponding path program 1 times [2018-11-23 11:42:24,856 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:42:24,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:42:24,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:42:24,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:42:24,857 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:42:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:42:24,964 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 142 proven. 59 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 11:42:24,964 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:42:24,964 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 11:42:24,964 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 265 with the following transitions: [2018-11-23 11:42:24,965 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [67], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 11:42:24,967 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 11:42:24,967 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 11:42:25,269 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 11:42:25,269 INFO L272 AbstractInterpreter]: Visited 147 different actions 588 times. Merged at 8 different actions 37 times. Widened at 1 different actions 2 times. Performed 6967 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6967 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 11:42:25,270 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:42:25,271 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 11:42:25,271 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:42:25,271 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_746ef97f-da9c-4329-af70-11e5ece9e8c9/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 11:42:25,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:42:25,279 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 11:42:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:42:25,335 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:42:25,389 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 160 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-23 11:42:25,389 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:42:25,467 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 154 proven. 35 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 11:42:25,490 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 11:42:25,490 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2018-11-23 11:42:25,490 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 11:42:25,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 11:42:25,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 11:42:25,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2018-11-23 11:42:25,491 INFO L87 Difference]: Start difference. First operand 6995 states and 8175 transitions. Second operand 11 states. [2018-11-23 11:42:26,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:42:26,305 INFO L93 Difference]: Finished difference Result 13544 states and 16133 transitions. [2018-11-23 11:42:26,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 11:42:26,305 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 264 [2018-11-23 11:42:26,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:42:26,305 INFO L225 Difference]: With dead ends: 13544 [2018-11-23 11:42:26,305 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 11:42:26,321 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 530 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2018-11-23 11:42:26,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 11:42:26,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 11:42:26,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 11:42:26,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 11:42:26,322 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 264 [2018-11-23 11:42:26,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:42:26,322 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:42:26,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 11:42:26,322 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:42:26,322 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:42:26,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 11:42:26,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:42:26,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:42:26,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:42:26,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:42:26,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:42:26,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:42:26,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:42:26,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:42:26,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:42:26,582 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 99 [2018-11-23 11:42:26,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:42:26,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:42:26,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:42:26,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:42:26,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:42:26,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:42:26,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:42:26,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:42:26,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:42:26,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:42:26,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:42:26,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:42:26,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:42:27,607 WARN L180 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 89 [2018-11-23 11:42:27,854 WARN L180 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 54 [2018-11-23 11:42:28,055 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 56 [2018-11-23 11:42:28,056 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:42:28,057 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-23 11:42:28,057 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:42:28,057 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,057 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,057 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,057 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,057 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,057 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-23 11:42:28,057 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-23 11:42:28,057 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-23 11:42:28,057 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-23 11:42:28,058 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-23 11:42:28,058 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-23 11:42:28,058 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-23 11:42:28,058 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-23 11:42:28,058 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-23 11:42:28,058 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-23 11:42:28,058 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-23 11:42:28,058 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-23 11:42:28,058 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-23 11:42:28,058 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,058 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,058 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,058 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,058 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-23 11:42:28,058 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,058 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-23 11:42:28,059 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-23 11:42:28,059 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-23 11:42:28,059 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-23 11:42:28,059 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-23 11:42:28,059 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-23 11:42:28,059 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-23 11:42:28,059 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-23 11:42:28,059 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-23 11:42:28,059 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-23 11:42:28,059 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-23 11:42:28,059 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-23 11:42:28,059 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-23 11:42:28,059 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-23 11:42:28,059 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-23 11:42:28,059 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,059 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,060 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,060 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,060 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,060 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-23 11:42:28,060 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-23 11:42:28,060 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-23 11:42:28,060 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-23 11:42:28,060 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-23 11:42:28,060 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-23 11:42:28,060 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-23 11:42:28,060 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-23 11:42:28,060 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-23 11:42:28,060 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-23 11:42:28,060 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-23 11:42:28,060 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,060 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,061 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,061 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,061 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,061 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-23 11:42:28,061 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-23 11:42:28,061 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-23 11:42:28,061 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-23 11:42:28,061 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-23 11:42:28,061 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-23 11:42:28,061 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-23 11:42:28,061 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-23 11:42:28,061 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-23 11:42:28,061 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-23 11:42:28,061 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-23 11:42:28,061 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-23 11:42:28,061 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-23 11:42:28,061 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,062 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,062 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,062 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,062 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,062 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-23 11:42:28,062 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-23 11:42:28,062 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-23 11:42:28,062 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-23 11:42:28,062 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-23 11:42:28,062 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-23 11:42:28,062 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-23 11:42:28,062 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-23 11:42:28,062 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-23 11:42:28,062 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-23 11:42:28,062 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-23 11:42:28,063 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 568) no Hoare annotation was computed. [2018-11-23 11:42:28,063 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-23 11:42:28,063 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-23 11:42:28,063 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-23 11:42:28,063 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-23 11:42:28,063 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-23 11:42:28,063 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,063 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,063 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,063 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,063 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-23 11:42:28,063 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,063 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-23 11:42:28,063 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,063 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-23 11:42:28,064 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-23 11:42:28,064 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-23 11:42:28,064 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,064 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,064 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-23 11:42:28,064 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-23 11:42:28,064 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-23 11:42:28,064 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-23 11:42:28,064 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-23 11:42:28,064 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-23 11:42:28,064 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-23 11:42:28,064 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-23 11:42:28,064 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-23 11:42:28,064 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-23 11:42:28,064 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-23 11:42:28,064 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,065 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,065 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,065 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,065 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,065 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,065 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-23 11:42:28,065 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-23 11:42:28,065 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-23 11:42:28,065 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-23 11:42:28,065 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-23 11:42:28,065 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-23 11:42:28,065 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-23 11:42:28,065 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-23 11:42:28,065 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-23 11:42:28,065 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-23 11:42:28,065 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-23 11:42:28,066 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,066 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,066 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,066 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,066 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,066 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,066 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-23 11:42:28,066 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-23 11:42:28,066 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-23 11:42:28,066 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-23 11:42:28,066 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-23 11:42:28,066 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-23 11:42:28,066 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-23 11:42:28,066 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-23 11:42:28,066 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-23 11:42:28,067 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-23 11:42:28,067 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-23 11:42:28,067 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-23 11:42:28,067 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-23 11:42:28,067 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-23 11:42:28,067 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,067 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,067 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,067 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse8 (= 0 |old(~a17~0)|)) (.cse20 (not (= 1 |old(~a25~0)|))) (.cse14 (= 0 |old(~a28~0)|)) (.cse0 (not (= 1 ~a21~0))) (.cse13 (not (= 1 |old(~a19~0)|))) (.cse5 (not (= 0 |old(~a11~0)|))) (.cse6 (not (= 8 |old(~a17~0)|)))) (let ((.cse9 (= 1 ~a11~0)) (.cse15 (not (= 1 |old(~a11~0)|))) (.cse17 (= 7 |old(~a17~0)|)) (.cse18 (not (= ~a17~0 7))) (.cse22 (<= ~a28~0 10)) (.cse12 (<= |old(~a28~0)| ~a28~0)) (.cse2 (= |old(~a19~0)| ~a19~0)) (.cse16 (< 10 |old(~a28~0)|)) (.cse21 (= ~a17~0 8)) (.cse4 (= 10 |old(~a28~0)|)) (.cse24 (= ~a11~0 |old(~a11~0)|)) (.cse1 (= |old(~a28~0)| ~a28~0)) (.cse10 (= ~a19~0 1)) (.cse11 (not (= ~a17~0 0))) (.cse3 (= ~a25~0 |old(~a25~0)|)) (.cse23 (and (or .cse0 .cse8 .cse20 .cse13 .cse14) (or .cse0 (not (= 7 |old(~a28~0)|)) .cse13 .cse5 .cse6 (not (= 0 |old(~a25~0)|))))) (.cse19 (= |old(~a11~0)| |old(~a19~0)|)) (.cse7 (= |calculate_output_#in~input| 0))) (and (or .cse0 (and .cse1 .cse2 (= ~a11~0 0) .cse3) .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse8 (and .cse9 .cse10 .cse11 .cse12 .cse3) .cse13 .cse14 .cse7 .cse15) (or .cse16 .cse0 .cse8 .cse13 .cse14 .cse4 .cse7 .cse11) (or .cse17 .cse18 .cse19 .cse15) (or (or .cse0 (not .cse4) .cse20 .cse5 (not (= 0 |old(~a19~0)|))) .cse6 .cse7 .cse21) (or .cse16 (and .cse2 .cse9 .cse22 .cse12 .cse3) .cse15) (or (and .cse2 .cse9) .cse19 .cse15) (or .cse18 .cse16 .cse17 .cse4) (or .cse0 .cse13 .cse21 .cse14 .cse6 .cse7 .cse15) (or .cse7 .cse21 .cse23 .cse6) (or .cse16 .cse20 .cse17 (and .cse2 .cse24 .cse18 .cse22 .cse12 .cse3)) (or .cse16 .cse4 (and .cse1 .cse2 .cse24 .cse3)) (or (and .cse24 .cse1 .cse21 .cse10 .cse3) .cse16 .cse0 .cse13 .cse14 .cse6 .cse7) (or .cse21 .cse0 .cse14 .cse4 .cse5 .cse6 .cse7) (or (< |old(~a28~0)| 11) (and .cse24 .cse1 .cse10 .cse11 .cse3) .cse23 .cse19 .cse7)))) [2018-11-23 11:42:28,068 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,068 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,068 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,068 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-23 11:42:28,068 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-23 11:42:28,068 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-23 11:42:28,068 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-23 11:42:28,068 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-23 11:42:28,068 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-23 11:42:28,068 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-23 11:42:28,068 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-23 11:42:28,068 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-23 11:42:28,068 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-23 11:42:28,068 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-23 11:42:28,068 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-23 11:42:28,068 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-23 11:42:28,069 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,069 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,069 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,069 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,069 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,069 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,069 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-23 11:42:28,069 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-23 11:42:28,069 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-23 11:42:28,069 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-23 11:42:28,069 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-23 11:42:28,069 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-23 11:42:28,069 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-23 11:42:28,069 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-23 11:42:28,069 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-23 11:42:28,069 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-23 11:42:28,069 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-23 11:42:28,070 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-23 11:42:28,070 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-23 11:42:28,070 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-23 11:42:28,070 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-23 11:42:28,070 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-23 11:42:28,070 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,070 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,070 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,070 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,070 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:42:28,070 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-23 11:42:28,070 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-23 11:42:28,070 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-23 11:42:28,070 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-23 11:42:28,070 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-23 11:42:28,070 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-23 11:42:28,071 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-23 11:42:28,071 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-23 11:42:28,071 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-23 11:42:28,071 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-23 11:42:28,071 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-23 11:42:28,071 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-23 11:42:28,071 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-23 11:42:28,071 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-23 11:42:28,071 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-23 11:42:28,071 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-23 11:42:28,071 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-23 11:42:28,071 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-23 11:42:28,071 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-23 11:42:28,071 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:42:28,071 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-23 11:42:28,072 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:42:28,072 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:42:28,072 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a25~0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-23 11:42:28,072 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (not (= ~a17~0 0))) (.cse0 (= ~a19~0 1)) (.cse3 (= 1 ~a11~0)) (.cse4 (= ~a17~0 8)) (.cse5 (<= ~a28~0 10)) (.cse2 (not (= ~a28~0 10)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (and .cse0 (= ~a25~0 1) .cse1) .cse2) (and .cse3 .cse1) (not (= 0 |old(~a11~0)|)) (and (and .cse4 .cse0) .cse5) (and (not (= ~a17~0 7)) (= 1 ~a25~0) .cse5) (not (= 0 |old(~a25~0)|)) (and .cse3 (not (= ~a19~0 ~a11~0))) (and .cse3 .cse5) (and (= ~a11~0 0) .cse4 .cse2) (and .cse5 .cse2) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)))) [2018-11-23 11:42:28,072 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-23 11:42:28,072 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-23 11:42:28,072 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (not (= ~a28~0 10))) (.cse0 (= 1 ~a11~0)) (.cse3 (not (= ~a17~0 0))) (.cse1 (not (= main_~input~0 0))) (.cse5 (<= ~a28~0 10)) (.cse6 (= ~a17~0 8)) (.cse2 (= ~a19~0 1))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (not (= ~a19~0 ~a11~0))) (and .cse1 (and .cse2 (= ~a25~0 1) .cse3) .cse4) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse5) (and (= ~a11~0 0) .cse1 .cse6 .cse4) (and (not (= ~a17~0 7)) (= 1 ~a25~0) .cse5) (and .cse5 .cse4) (and .cse1 .cse0 .cse3) (not (= 1 |old(~a19~0)|)) (and .cse1 .cse5 .cse6 .cse2) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-11-23 11:42:28,072 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-23 11:42:28,072 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-23 11:42:28,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:42:28 BoogieIcfgContainer [2018-11-23 11:42:28,091 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 11:42:28,091 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:42:28,092 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:42:28,092 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:42:28,092 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:42:02" (3/4) ... [2018-11-23 11:42:28,095 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 11:42:28,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 11:42:28,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 11:42:28,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 11:42:28,113 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 11:42:28,113 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 11:42:28,139 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(1 == a21) || !(7 == \old(a28))) || (((a19 == 1 && a25 == 1) && !(a17 == 0)) && !(a28 == 10))) || (1 == a11 && !(a17 == 0))) || !(0 == \old(a11))) || ((a17 == 8 && a19 == 1) && a28 <= 10)) || ((!(a17 == 7) && 1 == a25) && a28 <= 10)) || !(0 == \old(a25))) || (1 == a11 && !(a19 == a11))) || (1 == a11 && a28 <= 10)) || ((a11 == 0 && a17 == 8) && !(a28 == 10))) || (a28 <= 10 && !(a28 == 10))) || !(1 == \old(a19))) || !(8 == \old(a17)) [2018-11-23 11:42:28,227 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_746ef97f-da9c-4329-af70-11e5ece9e8c9/bin-2019/utaipan/witness.graphml [2018-11-23 11:42:28,227 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:42:28,228 INFO L168 Benchmark]: Toolchain (without parser) took 26697.75 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -281.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-23 11:42:28,229 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:42:28,229 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.66 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 916.8 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-23 11:42:28,229 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 916.8 MB in the beginning and 1.1 GB in the end (delta: -207.3 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-23 11:42:28,229 INFO L168 Benchmark]: Boogie Preprocessor took 51.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 11:42:28,230 INFO L168 Benchmark]: RCFGBuilder took 882.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.6 MB). Peak memory consumption was 100.6 MB. Max. memory is 11.5 GB. [2018-11-23 11:42:28,230 INFO L168 Benchmark]: TraceAbstraction took 25188.63 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -247.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-23 11:42:28,230 INFO L168 Benchmark]: Witness Printer took 136.06 ms. Allocated memory is still 2.6 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2018-11-23 11:42:28,232 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 365.66 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 916.8 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 916.8 MB in the beginning and 1.1 GB in the end (delta: -207.3 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 882.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.6 MB). Peak memory consumption was 100.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 25188.63 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -247.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 136.06 ms. Allocated memory is still 2.6 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 568]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((((((!(1 == a21) || !(7 == \old(a28))) || (((a19 == 1 && a25 == 1) && !(a17 == 0)) && !(a28 == 10))) || (1 == a11 && !(a17 == 0))) || !(0 == \old(a11))) || ((a17 == 8 && a19 == 1) && a28 <= 10)) || ((!(a17 == 7) && 1 == a25) && a28 <= 10)) || !(0 == \old(a25))) || (1 == a11 && !(a19 == a11))) || (1 == a11 && a28 <= 10)) || ((a11 == 0 && a17 == 8) && !(a28 == 10))) || (a28 <= 10 && !(a28 == 10))) || !(1 == \old(a19))) || !(8 == \old(a17)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 25.1s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 17.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 1728 SDtfs, 8724 SDslu, 2338 SDs, 0 SdLazy, 12003 SolverSat, 2299 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.8s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 2117 GetRequests, 1971 SyntacticMatches, 7 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 594 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6995occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.1s AbstIntTime, 7 AbstIntIterations, 5 AbstIntStrong, 0.9971179037672355 AbsIntWeakeningRatio, 0.19872476089266738 AbsIntAvgWeakeningVarsNumRemoved, 26.054197662061636 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 763 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 163 PreInvPairs, 257 NumberOfFragments, 774 HoareAnnotationTreeSize, 163 FomulaSimplifications, 17412 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7457 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2444 NumberOfCodeBlocks, 2444 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2947 ConstructedInterpolants, 0 QuantifiedInterpolants, 1072692 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1216 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 14 InterpolantComputations, 3 PerfectInterpolantSequences, 1441/1659 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...