./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label17_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e16b2365-b9a8-40f8-9b71-d207eed67be5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e16b2365-b9a8-40f8-9b71-d207eed67be5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e16b2365-b9a8-40f8-9b71-d207eed67be5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e16b2365-b9a8-40f8-9b71-d207eed67be5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label17_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e16b2365-b9a8-40f8-9b71-d207eed67be5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e16b2365-b9a8-40f8-9b71-d207eed67be5/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 9969672a88e02d3c3286f963a1c232dc87c73205 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:38:49,551 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:38:49,552 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:38:49,559 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:38:49,560 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:38:49,560 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:38:49,561 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:38:49,562 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:38:49,563 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:38:49,564 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:38:49,564 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:38:49,564 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:38:49,565 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:38:49,566 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:38:49,567 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:38:49,567 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:38:49,568 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:38:49,569 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:38:49,570 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:38:49,571 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:38:49,572 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:38:49,573 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:38:49,575 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:38:49,575 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:38:49,575 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:38:49,576 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:38:49,576 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:38:49,577 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:38:49,577 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:38:49,579 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:38:49,579 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:38:49,579 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:38:49,580 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:38:49,580 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:38:49,580 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:38:49,581 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:38:49,581 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e16b2365-b9a8-40f8-9b71-d207eed67be5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 14:38:49,592 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:38:49,592 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:38:49,593 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:38:49,593 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 14:38:49,593 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 14:38:49,593 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 14:38:49,593 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 14:38:49,593 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 14:38:49,593 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 14:38:49,593 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 14:38:49,593 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 14:38:49,594 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 14:38:49,594 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 14:38:49,594 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:38:49,595 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:38:49,595 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:38:49,595 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:38:49,596 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:38:49,596 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:38:49,596 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:38:49,596 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:38:49,597 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:38:49,597 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:38:49,597 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:38:49,597 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:38:49,597 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:38:49,597 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:38:49,597 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:38:49,597 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:38:49,597 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:38:49,597 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:38:49,597 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:38:49,597 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:38:49,598 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 14:38:49,598 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:38:49,598 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:38:49,598 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 14:38:49,598 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_e16b2365-b9a8-40f8-9b71-d207eed67be5/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 -> 9969672a88e02d3c3286f963a1c232dc87c73205 [2018-11-18 14:38:49,620 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:38:49,627 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:38:49,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:38:49,631 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:38:49,631 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:38:49,631 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e16b2365-b9a8-40f8-9b71-d207eed67be5/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label17_true-unreach-call.c [2018-11-18 14:38:49,666 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e16b2365-b9a8-40f8-9b71-d207eed67be5/bin-2019/utaipan/data/97051ef95/12afb3242d0b48db95fd15887cd71298/FLAG6ec9f66bc [2018-11-18 14:38:50,169 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:38:50,170 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e16b2365-b9a8-40f8-9b71-d207eed67be5/sv-benchmarks/c/eca-rers2012/Problem16_label17_true-unreach-call.c [2018-11-18 14:38:50,182 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e16b2365-b9a8-40f8-9b71-d207eed67be5/bin-2019/utaipan/data/97051ef95/12afb3242d0b48db95fd15887cd71298/FLAG6ec9f66bc [2018-11-18 14:38:50,647 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e16b2365-b9a8-40f8-9b71-d207eed67be5/bin-2019/utaipan/data/97051ef95/12afb3242d0b48db95fd15887cd71298 [2018-11-18 14:38:50,649 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:38:50,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:38:50,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:38:50,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:38:50,654 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:38:50,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:38:50" (1/1) ... [2018-11-18 14:38:50,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788382f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:38:50, skipping insertion in model container [2018-11-18 14:38:50,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:38:50" (1/1) ... [2018-11-18 14:38:50,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:38:50,723 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:38:51,130 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:38:51,133 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:38:51,312 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:38:51,325 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:38:51,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:38:51 WrapperNode [2018-11-18 14:38:51,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:38:51,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:38:51,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:38:51,326 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:38:51,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:38:51" (1/1) ... [2018-11-18 14:38:51,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:38:51" (1/1) ... [2018-11-18 14:38:51,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:38:51,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:38:51,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:38:51,429 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:38:51,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:38:51" (1/1) ... [2018-11-18 14:38:51,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:38:51" (1/1) ... [2018-11-18 14:38:51,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:38:51" (1/1) ... [2018-11-18 14:38:51,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:38:51" (1/1) ... [2018-11-18 14:38:51,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:38:51" (1/1) ... [2018-11-18 14:38:51,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:38:51" (1/1) ... [2018-11-18 14:38:51,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:38:51" (1/1) ... [2018-11-18 14:38:51,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:38:51,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:38:51,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:38:51,503 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:38:51,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:38:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e16b2365-b9a8-40f8-9b71-d207eed67be5/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:38:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 14:38:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:38:51,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:38:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-18 14:38:51,544 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-18 14:38:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 14:38:51,545 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 14:38:51,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:38:51,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:38:51,545 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:38:51,545 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:38:52,854 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:38:52,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:38:52 BoogieIcfgContainer [2018-11-18 14:38:52,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:38:52,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:38:52,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:38:52,857 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:38:52,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:38:50" (1/3) ... [2018-11-18 14:38:52,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6595987a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:38:52, skipping insertion in model container [2018-11-18 14:38:52,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:38:51" (2/3) ... [2018-11-18 14:38:52,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6595987a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:38:52, skipping insertion in model container [2018-11-18 14:38:52,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:38:52" (3/3) ... [2018-11-18 14:38:52,860 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label17_true-unreach-call.c [2018-11-18 14:38:52,865 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:38:52,871 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:38:52,880 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:38:52,903 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:38:52,903 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:38:52,903 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:38:52,904 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:38:52,904 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:38:52,904 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:38:52,904 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:38:52,904 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:38:52,922 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-11-18 14:38:52,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 14:38:52,928 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:38:52,929 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:38:52,930 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:38:52,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:38:52,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1724248043, now seen corresponding path program 1 times [2018-11-18 14:38:52,935 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:38:52,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:38:52,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:38:52,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:38:52,965 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:38:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:38:53,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:38:53,146 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:38:53,146 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:38:53,146 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:38:53,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:38:53,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:38:53,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:38:53,159 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-11-18 14:38:54,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:38:54,391 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-11-18 14:38:54,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:38:54,392 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2018-11-18 14:38:54,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:38:54,403 INFO L225 Difference]: With dead ends: 1156 [2018-11-18 14:38:54,403 INFO L226 Difference]: Without dead ends: 744 [2018-11-18 14:38:54,408 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:38:54,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-11-18 14:38:54,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-11-18 14:38:54,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-11-18 14:38:54,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1355 transitions. [2018-11-18 14:38:54,463 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1355 transitions. Word has length 65 [2018-11-18 14:38:54,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:38:54,464 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 1355 transitions. [2018-11-18 14:38:54,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:38:54,464 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1355 transitions. [2018-11-18 14:38:54,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-18 14:38:54,469 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:38:54,469 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:38:54,469 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:38:54,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:38:54,470 INFO L82 PathProgramCache]: Analyzing trace with hash 735694757, now seen corresponding path program 1 times [2018-11-18 14:38:54,470 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:38:54,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:38:54,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:38:54,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:38:54,471 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:38:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:38:54,585 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:38:54,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:38:54,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:38:54,586 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:38:54,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:38:54,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:38:54,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:38:54,588 INFO L87 Difference]: Start difference. First operand 744 states and 1355 transitions. Second operand 6 states. [2018-11-18 14:38:56,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:38:56,170 INFO L93 Difference]: Finished difference Result 2191 states and 4077 transitions. [2018-11-18 14:38:56,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 14:38:56,170 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-11-18 14:38:56,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:38:56,180 INFO L225 Difference]: With dead ends: 2191 [2018-11-18 14:38:56,180 INFO L226 Difference]: Without dead ends: 1453 [2018-11-18 14:38:56,183 INFO L604 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 [2018-11-18 14:38:56,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2018-11-18 14:38:56,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1436. [2018-11-18 14:38:56,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1436 states. [2018-11-18 14:38:56,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1436 states and 2556 transitions. [2018-11-18 14:38:56,228 INFO L78 Accepts]: Start accepts. Automaton has 1436 states and 2556 transitions. Word has length 136 [2018-11-18 14:38:56,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:38:56,228 INFO L480 AbstractCegarLoop]: Abstraction has 1436 states and 2556 transitions. [2018-11-18 14:38:56,229 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:38:56,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 2556 transitions. [2018-11-18 14:38:56,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 14:38:56,231 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:38:56,232 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:38:56,232 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:38:56,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:38:56,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1598709869, now seen corresponding path program 1 times [2018-11-18 14:38:56,232 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:38:56,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:38:56,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:38:56,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:38:56,233 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:38:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:38:56,344 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:38:56,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:38:56,345 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:38:56,345 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:38:56,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:38:56,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:38:56,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:38:56,346 INFO L87 Difference]: Start difference. First operand 1436 states and 2556 transitions. Second operand 6 states. [2018-11-18 14:38:58,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:38:58,706 INFO L93 Difference]: Finished difference Result 3925 states and 7037 transitions. [2018-11-18 14:38:58,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 14:38:58,706 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 140 [2018-11-18 14:38:58,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:38:58,717 INFO L225 Difference]: With dead ends: 3925 [2018-11-18 14:38:58,717 INFO L226 Difference]: Without dead ends: 2495 [2018-11-18 14:38:58,723 INFO L604 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 [2018-11-18 14:38:58,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2018-11-18 14:38:58,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 2466. [2018-11-18 14:38:58,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2466 states. [2018-11-18 14:38:58,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2466 states to 2466 states and 4043 transitions. [2018-11-18 14:38:58,780 INFO L78 Accepts]: Start accepts. Automaton has 2466 states and 4043 transitions. Word has length 140 [2018-11-18 14:38:58,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:38:58,780 INFO L480 AbstractCegarLoop]: Abstraction has 2466 states and 4043 transitions. [2018-11-18 14:38:58,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:38:58,780 INFO L276 IsEmpty]: Start isEmpty. Operand 2466 states and 4043 transitions. [2018-11-18 14:38:58,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-18 14:38:58,783 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:38:58,783 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:38:58,783 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:38:58,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:38:58,784 INFO L82 PathProgramCache]: Analyzing trace with hash -901457180, now seen corresponding path program 1 times [2018-11-18 14:38:58,784 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:38:58,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:38:58,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:38:58,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:38:58,785 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:38:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:38:58,912 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:38:58,912 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:38:58,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:38:58,912 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:38:58,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:38:58,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:38:58,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:38:58,913 INFO L87 Difference]: Start difference. First operand 2466 states and 4043 transitions. Second operand 6 states. [2018-11-18 14:39:00,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:39:00,500 INFO L93 Difference]: Finished difference Result 6987 states and 11546 transitions. [2018-11-18 14:39:00,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 14:39:00,500 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 171 [2018-11-18 14:39:00,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:39:00,513 INFO L225 Difference]: With dead ends: 6987 [2018-11-18 14:39:00,513 INFO L226 Difference]: Without dead ends: 4527 [2018-11-18 14:39:00,521 INFO L604 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 [2018-11-18 14:39:00,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4527 states. [2018-11-18 14:39:00,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4527 to 4495. [2018-11-18 14:39:00,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4495 states. [2018-11-18 14:39:00,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4495 states to 4495 states and 6547 transitions. [2018-11-18 14:39:00,582 INFO L78 Accepts]: Start accepts. Automaton has 4495 states and 6547 transitions. Word has length 171 [2018-11-18 14:39:00,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:39:00,582 INFO L480 AbstractCegarLoop]: Abstraction has 4495 states and 6547 transitions. [2018-11-18 14:39:00,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:39:00,583 INFO L276 IsEmpty]: Start isEmpty. Operand 4495 states and 6547 transitions. [2018-11-18 14:39:00,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-18 14:39:00,585 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:39:00,585 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:39:00,586 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:39:00,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:39:00,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1025094140, now seen corresponding path program 1 times [2018-11-18 14:39:00,586 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:39:00,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:39:00,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:39:00,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:39:00,587 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:39:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:39:00,754 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:39:00,754 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:39:00,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:39:00,754 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:39:00,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:39:00,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:39:00,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:39:00,755 INFO L87 Difference]: Start difference. First operand 4495 states and 6547 transitions. Second operand 6 states. [2018-11-18 14:39:03,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:39:03,461 INFO L93 Difference]: Finished difference Result 17056 states and 26327 transitions. [2018-11-18 14:39:03,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 14:39:03,461 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 215 [2018-11-18 14:39:03,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:39:03,530 INFO L225 Difference]: With dead ends: 17056 [2018-11-18 14:39:03,530 INFO L226 Difference]: Without dead ends: 12567 [2018-11-18 14:39:03,552 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:39:03,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12567 states. [2018-11-18 14:39:03,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12567 to 12560. [2018-11-18 14:39:03,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12560 states. [2018-11-18 14:39:03,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12560 states to 12560 states and 17998 transitions. [2018-11-18 14:39:03,815 INFO L78 Accepts]: Start accepts. Automaton has 12560 states and 17998 transitions. Word has length 215 [2018-11-18 14:39:03,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:39:03,815 INFO L480 AbstractCegarLoop]: Abstraction has 12560 states and 17998 transitions. [2018-11-18 14:39:03,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:39:03,815 INFO L276 IsEmpty]: Start isEmpty. Operand 12560 states and 17998 transitions. [2018-11-18 14:39:03,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-11-18 14:39:03,836 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:39:03,836 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:39:03,837 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:39:03,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:39:03,837 INFO L82 PathProgramCache]: Analyzing trace with hash 473724549, now seen corresponding path program 1 times [2018-11-18 14:39:03,837 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:39:03,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:39:03,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:39:03,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:39:03,838 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:39:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:39:04,030 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 116 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 14:39:04,030 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:39:04,030 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:39:04,031 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 298 with the following transitions: [2018-11-18 14:39:04,032 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [720], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [992], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:39:04,068 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:39:04,068 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:39:04,407 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:39:04,408 INFO L272 AbstractInterpreter]: Visited 155 different actions 155 times. Never merged. Never widened. Performed 1490 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1490 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-18 14:39:04,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:39:04,426 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:39:04,812 INFO L227 lantSequenceWeakener]: Weakened 288 states. On average, predicates are now at 78.04% of their original sizes. [2018-11-18 14:39:04,812 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:39:04,859 INFO L415 sIntCurrentIteration]: We unified 296 AI predicates to 296 [2018-11-18 14:39:04,859 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:39:04,860 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:39:04,860 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 14:39:04,860 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:39:04,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:39:04,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:39:04,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:39:04,861 INFO L87 Difference]: Start difference. First operand 12560 states and 17998 transitions. Second operand 6 states. [2018-11-18 14:40:02,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:40:02,546 INFO L93 Difference]: Finished difference Result 25454 states and 36454 transitions. [2018-11-18 14:40:02,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:40:02,547 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 297 [2018-11-18 14:40:02,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:40:02,595 INFO L225 Difference]: With dead ends: 25454 [2018-11-18 14:40:02,595 INFO L226 Difference]: Without dead ends: 12900 [2018-11-18 14:40:02,634 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 297 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:40:02,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12900 states. [2018-11-18 14:40:02,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12900 to 12898. [2018-11-18 14:40:02,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12898 states. [2018-11-18 14:40:02,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12898 states to 12898 states and 18346 transitions. [2018-11-18 14:40:02,936 INFO L78 Accepts]: Start accepts. Automaton has 12898 states and 18346 transitions. Word has length 297 [2018-11-18 14:40:02,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:40:02,937 INFO L480 AbstractCegarLoop]: Abstraction has 12898 states and 18346 transitions. [2018-11-18 14:40:02,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:40:02,937 INFO L276 IsEmpty]: Start isEmpty. Operand 12898 states and 18346 transitions. [2018-11-18 14:40:02,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 14:40:02,946 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:40:02,946 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:40:02,947 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:40:02,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:40:02,947 INFO L82 PathProgramCache]: Analyzing trace with hash 2137201209, now seen corresponding path program 1 times [2018-11-18 14:40:02,947 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:40:02,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:40:02,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:40:02,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:40:02,948 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:40:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:40:03,098 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 117 proven. 22 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 14:40:03,098 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:40:03,098 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:40:03,099 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 308 with the following transitions: [2018-11-18 14:40:03,099 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [992], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:40:03,103 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:40:03,103 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:40:03,349 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:40:03,349 INFO L272 AbstractInterpreter]: Visited 158 different actions 461 times. Merged at 5 different actions 9 times. Never widened. Performed 4896 root evaluator evaluations with a maximum evaluation depth of 7. Performed 4896 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 14:40:03,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:40:03,358 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:40:03,579 INFO L227 lantSequenceWeakener]: Weakened 304 states. On average, predicates are now at 80.74% of their original sizes. [2018-11-18 14:40:03,579 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:40:03,631 INFO L415 sIntCurrentIteration]: We unified 306 AI predicates to 306 [2018-11-18 14:40:03,631 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:40:03,631 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:40:03,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 14:40:03,631 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:40:03,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 14:40:03,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 14:40:03,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:40:03,632 INFO L87 Difference]: Start difference. First operand 12898 states and 18346 transitions. Second operand 10 states. [2018-11-18 14:41:38,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:41:38,525 INFO L93 Difference]: Finished difference Result 30802 states and 45132 transitions. [2018-11-18 14:41:38,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 14:41:38,525 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 307 [2018-11-18 14:41:38,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:41:38,610 INFO L225 Difference]: With dead ends: 30802 [2018-11-18 14:41:38,610 INFO L226 Difference]: Without dead ends: 17907 [2018-11-18 14:41:38,678 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 316 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 14:41:38,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17907 states. [2018-11-18 14:41:38,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17907 to 17845. [2018-11-18 14:41:38,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17845 states. [2018-11-18 14:41:39,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17845 states to 17845 states and 23998 transitions. [2018-11-18 14:41:39,051 INFO L78 Accepts]: Start accepts. Automaton has 17845 states and 23998 transitions. Word has length 307 [2018-11-18 14:41:39,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:41:39,051 INFO L480 AbstractCegarLoop]: Abstraction has 17845 states and 23998 transitions. [2018-11-18 14:41:39,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 14:41:39,051 INFO L276 IsEmpty]: Start isEmpty. Operand 17845 states and 23998 transitions. [2018-11-18 14:41:39,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2018-11-18 14:41:39,091 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:41:39,091 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:41:39,091 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:41:39,091 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:41:39,092 INFO L82 PathProgramCache]: Analyzing trace with hash 2039242730, now seen corresponding path program 1 times [2018-11-18 14:41:39,092 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:41:39,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:41:39,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:41:39,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:41:39,093 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:41:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:41:39,574 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 259 proven. 81 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2018-11-18 14:41:39,574 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:41:39,574 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:41:39,574 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 538 with the following transitions: [2018-11-18 14:41:39,575 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [720], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [992], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:41:39,579 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:41:39,580 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:41:39,811 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:41:39,811 INFO L272 AbstractInterpreter]: Visited 249 different actions 492 times. Merged at 5 different actions 5 times. Never widened. Performed 5169 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5169 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 14:41:39,826 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:41:39,826 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:41:40,138 INFO L227 lantSequenceWeakener]: Weakened 534 states. On average, predicates are now at 77.74% of their original sizes. [2018-11-18 14:41:40,138 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:41:40,196 INFO L415 sIntCurrentIteration]: We unified 536 AI predicates to 536 [2018-11-18 14:41:40,196 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:41:40,197 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:41:40,197 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 14:41:40,197 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:41:40,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 14:41:40,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 14:41:40,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:41:40,198 INFO L87 Difference]: Start difference. First operand 17845 states and 23998 transitions. Second operand 10 states. [2018-11-18 14:43:10,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:43:10,032 INFO L93 Difference]: Finished difference Result 35689 states and 48119 transitions. [2018-11-18 14:43:10,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 14:43:10,033 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 537 [2018-11-18 14:43:10,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:43:10,078 INFO L225 Difference]: With dead ends: 35689 [2018-11-18 14:43:10,079 INFO L226 Difference]: Without dead ends: 18188 [2018-11-18 14:43:10,107 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 544 GetRequests, 528 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-18 14:43:10,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18188 states. [2018-11-18 14:43:10,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18188 to 18185. [2018-11-18 14:43:10,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18185 states. [2018-11-18 14:43:10,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18185 states to 18185 states and 24356 transitions. [2018-11-18 14:43:10,361 INFO L78 Accepts]: Start accepts. Automaton has 18185 states and 24356 transitions. Word has length 537 [2018-11-18 14:43:10,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:43:10,362 INFO L480 AbstractCegarLoop]: Abstraction has 18185 states and 24356 transitions. [2018-11-18 14:43:10,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 14:43:10,362 INFO L276 IsEmpty]: Start isEmpty. Operand 18185 states and 24356 transitions. [2018-11-18 14:43:10,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2018-11-18 14:43:10,377 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:43:10,378 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:10,378 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:43:10,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:10,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1005331678, now seen corresponding path program 1 times [2018-11-18 14:43:10,379 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:43:10,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:10,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:10,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:10,380 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:43:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:11,105 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 269 proven. 149 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-11-18 14:43:11,106 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:43:11,106 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:43:11,106 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 548 with the following transitions: [2018-11-18 14:43:11,106 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [992], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:43:11,110 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:43:11,110 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:43:11,560 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:43:11,561 INFO L272 AbstractInterpreter]: Visited 250 different actions 995 times. Merged at 7 different actions 31 times. Widened at 1 different actions 1 times. Performed 11769 root evaluator evaluations with a maximum evaluation depth of 7. Performed 11769 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 5 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 14:43:11,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:11,563 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:43:11,563 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:43:11,563 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e16b2365-b9a8-40f8-9b71-d207eed67be5/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:43:11,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:11,570 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:43:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:11,671 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:43:11,856 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 447 proven. 2 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-18 14:43:11,856 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:43:12,117 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 269 proven. 149 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-11-18 14:43:12,134 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:43:12,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 19 [2018-11-18 14:43:12,134 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:43:12,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 14:43:12,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 14:43:12,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 14:43:12,135 INFO L87 Difference]: Start difference. First operand 18185 states and 24356 transitions. Second operand 16 states. [2018-11-18 14:43:17,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:43:17,713 INFO L93 Difference]: Finished difference Result 39726 states and 55204 transitions. [2018-11-18 14:43:17,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-11-18 14:43:17,714 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 547 [2018-11-18 14:43:17,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:43:17,760 INFO L225 Difference]: With dead ends: 39726 [2018-11-18 14:43:17,761 INFO L226 Difference]: Without dead ends: 18929 [2018-11-18 14:43:17,839 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1177 GetRequests, 1121 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 903 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=717, Invalid=2589, Unknown=0, NotChecked=0, Total=3306 [2018-11-18 14:43:17,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18929 states. [2018-11-18 14:43:18,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18929 to 17464. [2018-11-18 14:43:18,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17464 states. [2018-11-18 14:43:18,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17464 states to 17464 states and 20457 transitions. [2018-11-18 14:43:18,116 INFO L78 Accepts]: Start accepts. Automaton has 17464 states and 20457 transitions. Word has length 547 [2018-11-18 14:43:18,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:43:18,117 INFO L480 AbstractCegarLoop]: Abstraction has 17464 states and 20457 transitions. [2018-11-18 14:43:18,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 14:43:18,117 INFO L276 IsEmpty]: Start isEmpty. Operand 17464 states and 20457 transitions. [2018-11-18 14:43:18,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2018-11-18 14:43:18,156 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:43:18,157 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:18,157 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:43:18,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:18,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1119465908, now seen corresponding path program 1 times [2018-11-18 14:43:18,157 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:43:18,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:18,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:18,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:18,160 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:43:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:19,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1287 backedges. 544 proven. 455 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2018-11-18 14:43:19,092 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:43:19,093 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:43:19,093 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 766 with the following transitions: [2018-11-18 14:43:19,093 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [992], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:43:19,096 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:43:19,096 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:43:19,465 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:43:19,465 INFO L272 AbstractInterpreter]: Visited 260 different actions 1030 times. Merged at 9 different actions 26 times. Never widened. Performed 12266 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12266 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 7 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 14:43:19,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:19,466 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:43:19,466 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:43:19,466 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e16b2365-b9a8-40f8-9b71-d207eed67be5/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:43:19,472 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:19,472 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:43:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:19,566 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:43:19,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1287 backedges. 749 proven. 2 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2018-11-18 14:43:19,769 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:43:20,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1287 backedges. 749 proven. 2 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2018-11-18 14:43:20,041 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:43:20,041 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-18 14:43:20,041 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:43:20,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 14:43:20,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 14:43:20,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2018-11-18 14:43:20,043 INFO L87 Difference]: Start difference. First operand 17464 states and 20457 transitions. Second operand 15 states. [2018-11-18 14:43:25,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:43:25,343 INFO L93 Difference]: Finished difference Result 42806 states and 53504 transitions. [2018-11-18 14:43:25,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-11-18 14:43:25,344 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 765 [2018-11-18 14:43:25,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:43:25,401 INFO L225 Difference]: With dead ends: 42806 [2018-11-18 14:43:25,402 INFO L226 Difference]: Without dead ends: 26026 [2018-11-18 14:43:25,452 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1614 GetRequests, 1559 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 804 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=630, Invalid=2340, Unknown=0, NotChecked=0, Total=2970 [2018-11-18 14:43:25,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26026 states. [2018-11-18 14:43:25,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26026 to 22993. [2018-11-18 14:43:25,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22993 states. [2018-11-18 14:43:25,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22993 states to 22993 states and 25586 transitions. [2018-11-18 14:43:25,753 INFO L78 Accepts]: Start accepts. Automaton has 22993 states and 25586 transitions. Word has length 765 [2018-11-18 14:43:25,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:43:25,754 INFO L480 AbstractCegarLoop]: Abstraction has 22993 states and 25586 transitions. [2018-11-18 14:43:25,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 14:43:25,754 INFO L276 IsEmpty]: Start isEmpty. Operand 22993 states and 25586 transitions. [2018-11-18 14:43:25,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 844 [2018-11-18 14:43:25,770 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:43:25,771 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:25,771 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:43:25,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:25,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1728136589, now seen corresponding path program 1 times [2018-11-18 14:43:25,771 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:43:25,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:25,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:25,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:25,772 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:43:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:26,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1234 backedges. 235 proven. 240 refuted. 0 times theorem prover too weak. 759 trivial. 0 not checked. [2018-11-18 14:43:26,255 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:43:26,255 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:43:26,255 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 844 with the following transitions: [2018-11-18 14:43:26,255 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [992], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1048], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:43:26,258 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:43:26,258 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:43:26,551 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:43:26,552 INFO L272 AbstractInterpreter]: Visited 251 different actions 995 times. Merged at 8 different actions 26 times. Never widened. Performed 11434 root evaluator evaluations with a maximum evaluation depth of 8. Performed 11434 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 7 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 14:43:26,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:26,553 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:43:26,553 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:43:26,553 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e16b2365-b9a8-40f8-9b71-d207eed67be5/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:43:26,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:26,559 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:43:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:26,653 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:43:26,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1234 backedges. 686 proven. 2 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2018-11-18 14:43:26,882 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:43:27,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1234 backedges. 686 proven. 2 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2018-11-18 14:43:27,284 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:43:27,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 14:43:27,284 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:43:27,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 14:43:27,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 14:43:27,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-18 14:43:27,286 INFO L87 Difference]: Start difference. First operand 22993 states and 25586 transitions. Second operand 9 states. [2018-11-18 14:43:29,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:43:29,335 INFO L93 Difference]: Finished difference Result 50507 states and 57713 transitions. [2018-11-18 14:43:29,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 14:43:29,336 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 843 [2018-11-18 14:43:29,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:43:29,396 INFO L225 Difference]: With dead ends: 50507 [2018-11-18 14:43:29,396 INFO L226 Difference]: Without dead ends: 22842 [2018-11-18 14:43:29,463 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1719 GetRequests, 1694 SyntacticMatches, 5 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2018-11-18 14:43:29,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22842 states. [2018-11-18 14:43:29,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22842 to 22030. [2018-11-18 14:43:29,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22030 states. [2018-11-18 14:43:29,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22030 states to 22030 states and 23786 transitions. [2018-11-18 14:43:29,761 INFO L78 Accepts]: Start accepts. Automaton has 22030 states and 23786 transitions. Word has length 843 [2018-11-18 14:43:29,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:43:29,762 INFO L480 AbstractCegarLoop]: Abstraction has 22030 states and 23786 transitions. [2018-11-18 14:43:29,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 14:43:29,763 INFO L276 IsEmpty]: Start isEmpty. Operand 22030 states and 23786 transitions. [2018-11-18 14:43:29,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1098 [2018-11-18 14:43:29,778 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:43:29,778 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:29,779 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:43:29,779 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:29,779 INFO L82 PathProgramCache]: Analyzing trace with hash -78567527, now seen corresponding path program 1 times [2018-11-18 14:43:29,779 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:43:29,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:29,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:29,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:29,780 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:43:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:30,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2245 backedges. 1064 proven. 605 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2018-11-18 14:43:30,487 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:43:30,487 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:43:30,487 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1098 with the following transitions: [2018-11-18 14:43:30,488 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1396], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:43:30,490 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:43:30,490 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:43:31,172 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:43:31,172 INFO L272 AbstractInterpreter]: Visited 264 different actions 1063 times. Merged at 11 different actions 42 times. Widened at 1 different actions 1 times. Performed 12560 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12560 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 14:43:31,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:31,178 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:43:31,179 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:43:31,179 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e16b2365-b9a8-40f8-9b71-d207eed67be5/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:43:31,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:31,187 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:43:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:31,314 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:43:31,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2245 backedges. 363 proven. 0 refuted. 0 times theorem prover too weak. 1882 trivial. 0 not checked. [2018-11-18 14:43:31,620 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:43:31,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2245 backedges. 363 proven. 0 refuted. 0 times theorem prover too weak. 1882 trivial. 0 not checked. [2018-11-18 14:43:31,976 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:43:31,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-18 14:43:31,977 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:43:31,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:43:31,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:43:31,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:43:31,978 INFO L87 Difference]: Start difference. First operand 22030 states and 23786 transitions. Second operand 3 states. [2018-11-18 14:43:32,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:43:32,656 INFO L93 Difference]: Finished difference Result 42302 states and 45651 transitions. [2018-11-18 14:43:32,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:43:32,657 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1097 [2018-11-18 14:43:32,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:43:32,683 INFO L225 Difference]: With dead ends: 42302 [2018-11-18 14:43:32,683 INFO L226 Difference]: Without dead ends: 21339 [2018-11-18 14:43:32,712 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2206 GetRequests, 2195 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:43:32,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21339 states. [2018-11-18 14:43:32,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21339 to 20251. [2018-11-18 14:43:32,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20251 states. [2018-11-18 14:43:32,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20251 states to 20251 states and 21487 transitions. [2018-11-18 14:43:32,869 INFO L78 Accepts]: Start accepts. Automaton has 20251 states and 21487 transitions. Word has length 1097 [2018-11-18 14:43:32,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:43:32,870 INFO L480 AbstractCegarLoop]: Abstraction has 20251 states and 21487 transitions. [2018-11-18 14:43:32,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:43:32,870 INFO L276 IsEmpty]: Start isEmpty. Operand 20251 states and 21487 transitions. [2018-11-18 14:43:32,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1117 [2018-11-18 14:43:32,882 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:43:32,882 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:32,882 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:43:32,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:32,882 INFO L82 PathProgramCache]: Analyzing trace with hash -915392922, now seen corresponding path program 1 times [2018-11-18 14:43:32,882 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:43:32,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:32,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:32,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:32,883 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:43:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:33,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2489 backedges. 819 proven. 110 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2018-11-18 14:43:33,986 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:43:33,986 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:43:33,986 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1117 with the following transitions: [2018-11-18 14:43:33,987 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [992], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:43:33,989 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:43:33,989 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:43:34,497 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:43:34,497 INFO L272 AbstractInterpreter]: Visited 253 different actions 1011 times. Merged at 11 different actions 34 times. Widened at 1 different actions 1 times. Performed 11810 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11810 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-18 14:43:34,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:34,498 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:43:34,498 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:43:34,498 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e16b2365-b9a8-40f8-9b71-d207eed67be5/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:43:34,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:34,504 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:43:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:34,625 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:43:35,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2489 backedges. 1049 proven. 2 refuted. 0 times theorem prover too weak. 1438 trivial. 0 not checked. [2018-11-18 14:43:35,026 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:43:35,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2489 backedges. 1049 proven. 2 refuted. 0 times theorem prover too weak. 1438 trivial. 0 not checked. [2018-11-18 14:43:35,470 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:43:35,470 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-11-18 14:43:35,470 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:43:35,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 14:43:35,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 14:43:35,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-11-18 14:43:35,471 INFO L87 Difference]: Start difference. First operand 20251 states and 21487 transitions. Second operand 10 states. [2018-11-18 14:43:37,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:43:37,606 INFO L93 Difference]: Finished difference Result 41975 states and 44730 transitions. [2018-11-18 14:43:37,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 14:43:37,606 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1116 [2018-11-18 14:43:37,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:43:37,634 INFO L225 Difference]: With dead ends: 41975 [2018-11-18 14:43:37,634 INFO L226 Difference]: Without dead ends: 22791 [2018-11-18 14:43:37,654 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2262 GetRequests, 2238 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2018-11-18 14:43:37,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22791 states. [2018-11-18 14:43:37,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22791 to 22363. [2018-11-18 14:43:37,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22363 states. [2018-11-18 14:43:37,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22363 states to 22363 states and 23715 transitions. [2018-11-18 14:43:37,831 INFO L78 Accepts]: Start accepts. Automaton has 22363 states and 23715 transitions. Word has length 1116 [2018-11-18 14:43:37,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:43:37,832 INFO L480 AbstractCegarLoop]: Abstraction has 22363 states and 23715 transitions. [2018-11-18 14:43:37,832 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 14:43:37,832 INFO L276 IsEmpty]: Start isEmpty. Operand 22363 states and 23715 transitions. [2018-11-18 14:43:37,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1271 [2018-11-18 14:43:37,846 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:43:37,847 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:37,847 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:43:37,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:37,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1830020423, now seen corresponding path program 1 times [2018-11-18 14:43:37,848 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:43:37,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:37,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:37,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:37,848 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:43:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:38,586 INFO L134 CoverageAnalysis]: Checked inductivity of 3070 backedges. 1186 proven. 2 refuted. 0 times theorem prover too weak. 1882 trivial. 0 not checked. [2018-11-18 14:43:38,586 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:43:38,586 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:43:38,587 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1271 with the following transitions: [2018-11-18 14:43:38,587 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [992], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:43:38,592 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:43:38,592 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:43:39,270 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:43:39,270 INFO L272 AbstractInterpreter]: Visited 288 different actions 1163 times. Merged at 12 different actions 46 times. Never widened. Performed 13843 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13843 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 13 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 14:43:39,278 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:39,278 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:43:39,278 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:43:39,279 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e16b2365-b9a8-40f8-9b71-d207eed67be5/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:43:39,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:39,295 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:43:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:39,448 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:43:39,899 INFO L134 CoverageAnalysis]: Checked inductivity of 3070 backedges. 1186 proven. 2 refuted. 0 times theorem prover too weak. 1882 trivial. 0 not checked. [2018-11-18 14:43:39,899 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:43:40,372 INFO L134 CoverageAnalysis]: Checked inductivity of 3070 backedges. 1186 proven. 2 refuted. 0 times theorem prover too weak. 1882 trivial. 0 not checked. [2018-11-18 14:43:40,388 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:43:40,388 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 14:43:40,388 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:43:40,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 14:43:40,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 14:43:40,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:43:40,390 INFO L87 Difference]: Start difference. First operand 22363 states and 23715 transitions. Second operand 9 states. [2018-11-18 14:43:42,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:43:42,958 INFO L93 Difference]: Finished difference Result 53488 states and 57430 transitions. [2018-11-18 14:43:42,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 14:43:42,958 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1270 [2018-11-18 14:43:42,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:43:42,995 INFO L225 Difference]: With dead ends: 53488 [2018-11-18 14:43:42,995 INFO L226 Difference]: Without dead ends: 23897 [2018-11-18 14:43:43,031 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2567 GetRequests, 2545 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-11-18 14:43:43,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23897 states. [2018-11-18 14:43:43,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23897 to 20116. [2018-11-18 14:43:43,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20116 states. [2018-11-18 14:43:43,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20116 states to 20116 states and 21190 transitions. [2018-11-18 14:43:43,214 INFO L78 Accepts]: Start accepts. Automaton has 20116 states and 21190 transitions. Word has length 1270 [2018-11-18 14:43:43,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:43:43,214 INFO L480 AbstractCegarLoop]: Abstraction has 20116 states and 21190 transitions. [2018-11-18 14:43:43,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 14:43:43,214 INFO L276 IsEmpty]: Start isEmpty. Operand 20116 states and 21190 transitions. [2018-11-18 14:43:43,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1467 [2018-11-18 14:43:43,231 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:43:43,231 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:43,231 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:43:43,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:43,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1460953563, now seen corresponding path program 1 times [2018-11-18 14:43:43,232 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:43:43,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:43,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:43,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:43,232 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:43:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:44,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4891 backedges. 1210 proven. 390 refuted. 0 times theorem prover too weak. 3291 trivial. 0 not checked. [2018-11-18 14:43:44,098 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:43:44,098 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:43:44,099 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1467 with the following transitions: [2018-11-18 14:43:44,099 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [992], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:43:44,101 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:43:44,102 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:43:44,687 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:43:44,687 INFO L272 AbstractInterpreter]: Visited 256 different actions 1038 times. Merged at 14 different actions 49 times. Widened at 1 different actions 1 times. Performed 12015 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12015 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 15 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 14:43:44,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:44,699 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:43:44,699 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:43:44,699 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e16b2365-b9a8-40f8-9b71-d207eed67be5/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:43:44,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:44,707 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:43:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:44,872 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:43:45,495 INFO L134 CoverageAnalysis]: Checked inductivity of 4891 backedges. 3236 proven. 2 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2018-11-18 14:43:45,495 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:43:46,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4891 backedges. 1210 proven. 390 refuted. 0 times theorem prover too weak. 3291 trivial. 0 not checked. [2018-11-18 14:43:46,152 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:43:46,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 14:43:46,152 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:43:46,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 14:43:46,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 14:43:46,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:43:46,153 INFO L87 Difference]: Start difference. First operand 20116 states and 21190 transitions. Second operand 9 states. [2018-11-18 14:43:48,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:43:48,460 INFO L93 Difference]: Finished difference Result 42284 states and 44978 transitions. [2018-11-18 14:43:48,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 14:43:48,460 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1466 [2018-11-18 14:43:48,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:43:48,491 INFO L225 Difference]: With dead ends: 42284 [2018-11-18 14:43:48,492 INFO L226 Difference]: Without dead ends: 23235 [2018-11-18 14:43:48,513 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2960 GetRequests, 2938 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-11-18 14:43:48,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23235 states. [2018-11-18 14:43:48,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23235 to 23058. [2018-11-18 14:43:48,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23058 states. [2018-11-18 14:43:48,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23058 states to 23058 states and 24047 transitions. [2018-11-18 14:43:48,703 INFO L78 Accepts]: Start accepts. Automaton has 23058 states and 24047 transitions. Word has length 1466 [2018-11-18 14:43:48,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:43:48,703 INFO L480 AbstractCegarLoop]: Abstraction has 23058 states and 24047 transitions. [2018-11-18 14:43:48,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 14:43:48,703 INFO L276 IsEmpty]: Start isEmpty. Operand 23058 states and 24047 transitions. [2018-11-18 14:43:48,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1496 [2018-11-18 14:43:48,720 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:43:48,721 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:48,721 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:43:48,721 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:48,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1679773798, now seen corresponding path program 1 times [2018-11-18 14:43:48,721 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:43:48,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:48,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:48,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:48,722 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:43:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:49,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4056 backedges. 424 proven. 0 refuted. 0 times theorem prover too weak. 3632 trivial. 0 not checked. [2018-11-18 14:43:49,442 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:43:49,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:43:49,442 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:43:49,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:43:49,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:43:49,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:43:49,443 INFO L87 Difference]: Start difference. First operand 23058 states and 24047 transitions. Second operand 3 states. [2018-11-18 14:43:50,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:43:50,131 INFO L93 Difference]: Finished difference Result 50974 states and 53269 transitions. [2018-11-18 14:43:50,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:43:50,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1495 [2018-11-18 14:43:50,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:43:50,166 INFO L225 Difference]: With dead ends: 50974 [2018-11-18 14:43:50,166 INFO L226 Difference]: Without dead ends: 28591 [2018-11-18 14:43:50,189 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:43:50,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28591 states. [2018-11-18 14:43:50,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28591 to 26813. [2018-11-18 14:43:50,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26813 states. [2018-11-18 14:43:50,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26813 states to 26813 states and 27788 transitions. [2018-11-18 14:43:50,429 INFO L78 Accepts]: Start accepts. Automaton has 26813 states and 27788 transitions. Word has length 1495 [2018-11-18 14:43:50,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:43:50,430 INFO L480 AbstractCegarLoop]: Abstraction has 26813 states and 27788 transitions. [2018-11-18 14:43:50,430 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:43:50,430 INFO L276 IsEmpty]: Start isEmpty. Operand 26813 states and 27788 transitions. [2018-11-18 14:43:50,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1712 [2018-11-18 14:43:50,451 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:43:50,451 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:50,451 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:43:50,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:50,452 INFO L82 PathProgramCache]: Analyzing trace with hash -737075993, now seen corresponding path program 1 times [2018-11-18 14:43:50,452 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:43:50,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:50,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:50,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:50,452 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:43:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:52,478 INFO L134 CoverageAnalysis]: Checked inductivity of 5361 backedges. 2117 proven. 705 refuted. 0 times theorem prover too weak. 2539 trivial. 0 not checked. [2018-11-18 14:43:52,478 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:43:52,478 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:43:52,478 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1712 with the following transitions: [2018-11-18 14:43:52,478 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1036], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:43:52,481 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:43:52,481 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:43:53,273 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:43:53,273 INFO L272 AbstractInterpreter]: Visited 289 different actions 1156 times. Merged at 11 different actions 35 times. Never widened. Performed 13827 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13827 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 13 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-18 14:43:53,278 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:53,278 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:43:53,278 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:43:53,278 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e16b2365-b9a8-40f8-9b71-d207eed67be5/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:43:53,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:53,284 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:43:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:53,459 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:43:54,487 INFO L134 CoverageAnalysis]: Checked inductivity of 5361 backedges. 3697 proven. 2 refuted. 0 times theorem prover too weak. 1662 trivial. 0 not checked. [2018-11-18 14:43:54,487 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:43:56,843 INFO L134 CoverageAnalysis]: Checked inductivity of 5361 backedges. 1321 proven. 575 refuted. 0 times theorem prover too weak. 3465 trivial. 0 not checked. [2018-11-18 14:43:56,859 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:43:56,860 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 20 [2018-11-18 14:43:56,860 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:43:56,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 14:43:56,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 14:43:56,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2018-11-18 14:43:56,862 INFO L87 Difference]: Start difference. First operand 26813 states and 27788 transitions. Second operand 18 states. [2018-11-18 14:44:06,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:44:06,099 INFO L93 Difference]: Finished difference Result 54673 states and 57345 transitions. [2018-11-18 14:44:06,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-11-18 14:44:06,100 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1711 [2018-11-18 14:44:06,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:44:06,101 INFO L225 Difference]: With dead ends: 54673 [2018-11-18 14:44:06,101 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 14:44:06,142 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3534 GetRequests, 3463 SyntacticMatches, 4 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1330 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=739, Invalid=3953, Unknown=0, NotChecked=0, Total=4692 [2018-11-18 14:44:06,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 14:44:06,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 14:44:06,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 14:44:06,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:44:06,143 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1711 [2018-11-18 14:44:06,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:44:06,143 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:44:06,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 14:44:06,143 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:44:06,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:44:06,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 14:44:06,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:06,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:06,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:06,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:06,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:06,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:06,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:06,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:06,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:06,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:06,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:06,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:06,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:07,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:07,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:07,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:07,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,157 WARN L180 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 853 DAG size of output: 772 [2018-11-18 14:44:08,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:08,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:09,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:09,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:09,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:09,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:09,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:09,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:09,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:09,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:09,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:10,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:10,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:10,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:10,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:10,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:10,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:10,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:10,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:10,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:10,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:10,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:10,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:10,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:10,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:11,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:11,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:11,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:11,937 WARN L180 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 893 DAG size of output: 817 [2018-11-18 14:44:15,517 WARN L180 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 761 DAG size of output: 64 [2018-11-18 14:44:16,590 WARN L180 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 457 DAG size of output: 73 [2018-11-18 14:44:18,279 WARN L180 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 634 DAG size of output: 73 [2018-11-18 14:44:20,937 WARN L180 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 604 DAG size of output: 93 [2018-11-18 14:44:24,937 WARN L180 SmtUtils]: Spent 4.00 s on a formula simplification. DAG size of input: 809 DAG size of output: 64 [2018-11-18 14:44:24,946 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:44:24,947 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-11-18 14:44:24,947 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:44:24,947 INFO L425 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,947 INFO L425 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 14:44:24,947 INFO L425 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,947 INFO L425 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,947 INFO L425 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,947 INFO L425 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,947 INFO L425 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,947 INFO L425 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,947 INFO L425 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,947 INFO L425 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,947 INFO L425 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,947 INFO L425 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,947 INFO L425 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,948 INFO L425 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,948 INFO L425 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,948 INFO L425 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,948 INFO L425 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,948 INFO L425 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,948 INFO L425 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,948 INFO L425 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,948 INFO L425 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,948 INFO L425 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,948 INFO L425 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,948 INFO L425 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,948 INFO L425 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,948 INFO L425 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,948 INFO L425 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,948 INFO L425 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,948 INFO L425 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,949 INFO L421 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse7 (= |old(~a15~0)| ~a15~0)) (.cse5 (= ~a16~0 |old(~a16~0)|)) (.cse6 (= ~a18~0 |old(~a18~0)|)) (.cse8 (= |old(~a12~0)| ~a12~0)) (.cse12 (= 3 |old(~a15~0)|)) (.cse4 (= 8 |old(~a16~0)|)) (.cse2 (= 8 |old(~a12~0)|)) (.cse10 (< 8 |old(~a16~0)|))) (let ((.cse0 (or (and .cse12 (= 5 |old(~a12~0)|) .cse4) .cse2 .cse10)) (.cse9 (not .cse12)) (.cse11 (= 4 |old(~a15~0)|)) (.cse3 (= 9 |old(~a12~0)|)) (.cse1 (and .cse7 .cse5 .cse6 .cse8))) (and (or .cse0 .cse1 (< |old(~a15~0)| 4)) (or (= 12 |old(~a16~0)|) .cse2 .cse3 .cse1) (or (not .cse4) .cse3 .cse1) (or (and (and .cse5 .cse6 .cse7) .cse8) (and (<= |old(~a18~0)| 134) (or .cse9 (< 0 (+ |old(~a18~0)| 79)))) .cse0) (or (and (and (and (= |old(~a16~0)| ~a16~0) .cse6) .cse7) .cse8) (or .cse9 (not (= 11 |old(~a16~0)|)))) (or (or .cse2 (< 0 (+ |old(~a18~0)| 87)) .cse10) .cse1) (or .cse11 .cse1 (< |old(~a16~0)| 12)) (or .cse1 (not (= 9 |old(~a16~0)|))) (or .cse11 .cse3 .cse1)))) [2018-11-18 14:44:24,949 INFO L425 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,949 INFO L425 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,949 INFO L425 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,949 INFO L425 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,949 INFO L425 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,949 INFO L425 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,949 INFO L425 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,949 INFO L425 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 14:44:24,949 INFO L425 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,949 INFO L425 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,949 INFO L425 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,949 INFO L425 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,949 INFO L425 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,949 INFO L425 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,950 INFO L425 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,950 INFO L425 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,950 INFO L425 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-18 14:44:24,950 INFO L425 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,950 INFO L425 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,950 INFO L425 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,950 INFO L425 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,950 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,950 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,950 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,950 INFO L425 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,950 INFO L425 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,950 INFO L425 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,950 INFO L425 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,950 INFO L425 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,950 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,951 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 14:44:24,951 INFO L425 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,951 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 14:44:24,951 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 181) no Hoare annotation was computed. [2018-11-18 14:44:24,951 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 14:44:24,951 INFO L421 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse0 (= 9 |old(~a12~0)|)) (.cse4 (= |old(~a15~0)| ~a15~0)) (.cse5 (= ~a16~0 |old(~a16~0)|)) (.cse6 (= ~a18~0 |old(~a18~0)|)) (.cse7 (= |old(~a12~0)| ~a12~0)) (.cse8 (not (= 3 |old(~a15~0)|))) (.cse14 (not (= 11 |old(~a16~0)|)))) (let ((.cse11 (or .cse8 .cse14)) (.cse13 (= |calculate_output_#in~input| 0)) (.cse12 (not (= calculate_output_~input 0))) (.cse15 (+ |old(~a18~0)| 87)) (.cse2 (= 4 |old(~a15~0)|)) (.cse1 (and .cse4 .cse5 .cse6 .cse7)) (.cse3 (< |old(~a15~0)| 4)) (.cse9 (< 8 |old(~a16~0)|)) (.cse10 (not .cse0))) (and (or .cse0 .cse1 .cse2) (or (not (= 8 |old(~a16~0)|)) .cse3 .cse1) (or (and (and .cse4 .cse5 .cse6) .cse7) (and (<= |old(~a18~0)| 134) (or .cse8 (< 0 (+ |old(~a18~0)| 79)))) .cse9 .cse10) (or (and .cse5 (or (not (= calculate_output_~input 3)) (not (= 7 |old(~a12~0)|)) (< 0 (+ ~a18~0 79))) .cse6) .cse11) (or .cse12 .cse13 (or .cse8 (not (= 6 |old(~a12~0)|)) .cse14) (not (= .cse15 0))) (or .cse11 (and .cse4 .cse7)) (or .cse8 (not (= 5 |old(~a12~0)|)) .cse13 .cse12 (= 0 |old(~a16~0)|)) (or (= 12 |old(~a16~0)|) (= 8 |old(~a12~0)|) .cse0 .cse1) (or .cse2 (< 0 .cse15) .cse9 .cse1) (or .cse2 .cse1 (< |old(~a16~0)| 12)) (or .cse1 (not (= 9 |old(~a16~0)|))) (or .cse1 .cse3 .cse9 .cse10)))) [2018-11-18 14:44:24,951 INFO L425 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,951 INFO L425 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-18 14:44:24,951 INFO L425 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,951 INFO L425 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,951 INFO L425 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,951 INFO L425 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,952 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,952 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,952 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,952 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 14:44:24,952 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 14:44:24,952 INFO L425 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,952 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 14:44:24,952 INFO L425 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,952 INFO L425 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,952 INFO L425 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,952 INFO L425 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,952 INFO L425 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,952 INFO L425 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,952 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,952 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,952 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,953 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,953 INFO L425 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,953 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,953 INFO L425 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,953 INFO L425 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,953 INFO L425 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,953 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 14:44:24,953 INFO L425 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,953 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 14:44:24,953 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 14:44:24,953 INFO L425 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,953 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,953 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,953 INFO L425 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,953 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,953 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,953 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,954 INFO L425 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,954 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,954 INFO L425 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,954 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 14:44:24,954 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 14:44:24,954 INFO L425 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,954 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 14:44:24,954 INFO L425 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,954 INFO L425 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,954 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,954 INFO L425 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,954 INFO L425 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,954 INFO L425 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,954 INFO L425 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,954 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,954 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,954 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,955 INFO L425 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,955 INFO L425 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,955 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 14:44:24,955 INFO L425 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,955 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 14:44:24,955 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 14:44:24,955 INFO L425 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,955 INFO L425 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,955 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,955 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,955 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,955 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,955 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,955 INFO L425 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,955 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,955 INFO L425 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,955 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,956 INFO L425 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,956 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 14:44:24,956 INFO L425 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,956 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 14:44:24,956 INFO L425 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,956 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 14:44:24,956 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,956 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,956 INFO L425 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,956 INFO L425 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,956 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,956 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,956 INFO L425 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,956 INFO L425 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,956 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,956 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,956 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,957 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,957 INFO L425 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,957 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 14:44:24,957 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 14:44:24,957 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 14:44:24,957 INFO L425 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,957 INFO L425 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,957 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,957 INFO L425 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,957 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,957 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,957 INFO L425 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,957 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,957 INFO L425 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,957 INFO L425 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,957 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,957 INFO L425 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,958 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 14:44:24,958 INFO L425 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,958 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 14:44:24,958 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 14:44:24,958 INFO L425 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,958 INFO L425 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,958 INFO L425 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,958 INFO L425 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,958 INFO L425 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,958 INFO L425 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,958 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse4 (= |old(~a15~0)| ~a15~0)) (.cse5 (= ~a16~0 |old(~a16~0)|)) (.cse6 (= ~a18~0 |old(~a18~0)|)) (.cse7 (= |old(~a12~0)| ~a12~0))) (let ((.cse0 (= 9 |old(~a12~0)|)) (.cse3 (= 4 |old(~a15~0)|)) (.cse8 (not (= 3 |old(~a15~0)|))) (.cse2 (< 8 |old(~a16~0)|)) (.cse1 (and .cse4 .cse5 .cse6 .cse7))) (and (or (= 12 |old(~a16~0)|) (= 8 |old(~a12~0)|) .cse0 .cse1) (or (not (= 8 |old(~a16~0)|)) .cse0 .cse1) (or .cse1 .cse2 (not .cse0) (< |old(~a15~0)| 4)) (or (< |old(~a18~0)| 135) .cse3 .cse4 .cse2) (or .cse1 .cse3 .cse0) (or .cse3 .cse1 (< 0 (+ |old(~a18~0)| 87)) .cse2) (or (and .cse5 (= 3 ~a15~0) .cse6 .cse7) (or .cse8 (not (= 11 |old(~a16~0)|)))) (or .cse3 .cse1 (< |old(~a16~0)| 12)) (or .cse3 (and (or (= ~a15~0 3) (< 134 ~a18~0)) .cse5 .cse6 .cse7) (and (<= |old(~a18~0)| 134) (or .cse8 (< 0 (+ |old(~a18~0)| 79)))) .cse2) (or .cse1 (not (= 9 |old(~a16~0)|)))))) [2018-11-18 14:44:24,958 INFO L425 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,958 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,959 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,959 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,959 INFO L425 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,959 INFO L425 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,959 INFO L425 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,959 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,959 INFO L425 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,959 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 14:44:24,959 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 14:44:24,959 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 14:44:24,959 INFO L425 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,959 INFO L425 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,959 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,959 INFO L425 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,959 INFO L425 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,959 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,959 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,960 INFO L425 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,960 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,960 INFO L425 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,960 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,960 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 14:44:24,960 INFO L425 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,960 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 14:44:24,960 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 14:44:24,960 INFO L425 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,960 INFO L425 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,960 INFO L425 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,960 INFO L425 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,960 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,960 INFO L425 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,960 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,960 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,960 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,961 INFO L425 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,961 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,961 INFO L425 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,961 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 14:44:24,961 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 14:44:24,961 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 14:44:24,961 INFO L425 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,961 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,961 INFO L425 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,961 INFO L425 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,961 INFO L425 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,961 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,961 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,961 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,961 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,961 INFO L425 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,961 INFO L425 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,962 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,962 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 14:44:24,962 INFO L425 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,962 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 14:44:24,962 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 14:44:24,962 INFO L425 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,962 INFO L425 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,962 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,962 INFO L425 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,962 INFO L425 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,962 INFO L425 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,962 INFO L425 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,962 INFO L425 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,962 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,962 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,962 INFO L425 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,962 INFO L425 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,963 INFO L425 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-18 14:44:24,963 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 14:44:24,963 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 14:44:24,963 INFO L425 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,963 INFO L425 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,963 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,963 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,963 INFO L425 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,963 INFO L425 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,963 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,963 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,963 INFO L425 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,963 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,963 INFO L425 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,963 INFO L425 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,963 INFO L425 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,964 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 14:44:24,964 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 14:44:24,964 INFO L425 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,964 INFO L425 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,964 INFO L425 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,964 INFO L425 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,964 INFO L425 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,964 INFO L425 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,964 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,964 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,964 INFO L425 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,964 INFO L425 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,964 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 14:44:24,964 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 14:44:24,964 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,964 INFO L425 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,964 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,965 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,965 INFO L425 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,965 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,965 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,965 INFO L425 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,965 INFO L425 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,965 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,965 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,965 INFO L425 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,965 INFO L425 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,965 INFO L425 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,965 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 14:44:24,965 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 14:44:24,965 INFO L425 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,965 INFO L425 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,965 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,966 INFO L425 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,966 INFO L425 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,966 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,966 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,966 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,966 INFO L425 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,966 INFO L425 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,966 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 14:44:24,966 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 14:44:24,966 INFO L425 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,966 INFO L425 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,966 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,966 INFO L425 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,966 INFO L425 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,966 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,966 INFO L425 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,966 INFO L425 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,966 INFO L425 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,967 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,967 INFO L425 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,967 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,967 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,967 INFO L425 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,967 INFO L425 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,967 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 14:44:24,967 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 14:44:24,967 INFO L425 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,967 INFO L425 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,967 INFO L425 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,967 INFO L425 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,967 INFO L425 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,967 INFO L425 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,967 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,967 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,967 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-18 14:44:24,968 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,968 INFO L425 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,968 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,968 INFO L425 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,968 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 14:44:24,968 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 14:44:24,968 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 14:44:24,968 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,968 INFO L425 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,968 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,968 INFO L425 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,968 INFO L425 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,968 INFO L425 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,968 INFO L425 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,968 INFO L425 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,968 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,968 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,969 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,969 INFO L425 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,969 INFO L425 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,969 INFO L425 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,969 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 14:44:24,969 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 14:44:24,969 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 14:44:24,969 INFO L425 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,969 INFO L425 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,969 INFO L425 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,969 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,969 INFO L425 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,969 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,969 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,969 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,969 INFO L425 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,969 INFO L425 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,969 INFO L425 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,970 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,970 INFO L425 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,970 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,970 INFO L425 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,970 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 14:44:24,970 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 14:44:24,970 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 14:44:24,970 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,970 INFO L425 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,970 INFO L425 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,970 INFO L425 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,970 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,970 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,970 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,970 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,970 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:44:24,971 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 14:44:24,971 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 14:44:24,971 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 14:44:24,971 INFO L425 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,971 INFO L425 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,971 INFO L425 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-18 14:44:24,971 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:44:24,971 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-11-18 14:44:24,971 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:44:24,971 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:44:24,971 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 11 |old(~a16~0)|)) (and (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a12~0)| ~a12~0))) [2018-11-18 14:44:24,971 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 14:44:24,971 INFO L421 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse0 (not (= ~a12~0 9))) (.cse2 (not (= ~a15~0 4))) (.cse1 (not (= ~a12~0 8))) (.cse3 (<= 9 ~a12~0)) (.cse4 (<= ~a16~0 8))) (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (= 9 ~a16~0) (and .cse0 (not (= ~a16~0 12)) .cse1) (and (= 11 ~a16~0) (= 3 ~a15~0)) (and (<= 12 ~a16~0) .cse2) (and .cse0 .cse2) (not (= 3 |old(~a15~0)|)) (and (or (and (= ~a15~0 3) (<= (+ ~a18~0 79) 0)) (< 134 ~a18~0)) (<= ~a16~0 9) .cse3) (not (= 5 |old(~a12~0)|)) (and (<= (+ ~a18~0 87) 0) .cse4 .cse1) (and (<= 4 ~a15~0) .cse3 .cse4) (and (= 8 ~a16~0) (not (= 9 ~a12~0))))) [2018-11-18 14:44:24,972 INFO L425 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-18 14:44:24,972 INFO L425 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-18 14:44:24,972 INFO L425 ceAbstractionStarter]: For program point L1773-1(lines 1773 1782) no Hoare annotation was computed. [2018-11-18 14:44:24,972 INFO L421 ceAbstractionStarter]: At program point L1773-3(lines 1773 1782) the Hoare annotation is: (let ((.cse0 (not (= ~a12~0 9))) (.cse2 (not (= ~a15~0 4))) (.cse1 (not (= ~a12~0 8))) (.cse3 (<= 9 ~a12~0)) (.cse4 (<= ~a16~0 8))) (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (= 9 ~a16~0) (and .cse0 (not (= ~a16~0 12)) .cse1) (and (= 11 ~a16~0) (= 3 ~a15~0)) (and (<= 12 ~a16~0) .cse2) (and .cse0 .cse2) (not (= 3 |old(~a15~0)|)) (and (or (and (= ~a15~0 3) (<= (+ ~a18~0 79) 0)) (< 134 ~a18~0)) (<= ~a16~0 9) .cse3) (not (= 5 |old(~a12~0)|)) (and (<= (+ ~a18~0 87) 0) .cse4 .cse1) (and (<= 4 ~a15~0) .cse3 .cse4) (and (= 8 ~a16~0) (not (= 9 ~a12~0))))) [2018-11-18 14:44:24,972 INFO L425 ceAbstractionStarter]: For program point L1773-4(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 14:44:24,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:44:24 BoogieIcfgContainer [2018-11-18 14:44:24,981 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:44:24,982 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:44:24,982 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:44:24,982 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:44:24,982 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:38:52" (3/4) ... [2018-11-18 14:44:24,985 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:44:24,990 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 14:44:24,990 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-18 14:44:24,990 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 14:44:24,990 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 14:44:25,010 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 14:44:25,011 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 14:44:25,045 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(11 == \old(a16)) || !(\old(a18) + 87 == 0)) || 9 == a16) || ((!(a12 == 9) && !(a16 == 12)) && !(a12 == 8))) || (11 == a16 && 3 == a15)) || (12 <= a16 && !(a15 == 4))) || (!(a12 == 9) && !(a15 == 4))) || !(3 == \old(a15))) || ((((a15 == 3 && a18 + 79 <= 0) || 134 < a18) && a16 <= 9) && 9 <= a12)) || !(5 == \old(a12))) || ((a18 + 87 <= 0 && a16 <= 8) && !(a12 == 8))) || ((4 <= a15 && 9 <= a12) && a16 <= 8)) || (8 == a16 && !(9 == a12)) [2018-11-18 14:44:25,168 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e16b2365-b9a8-40f8-9b71-d207eed67be5/bin-2019/utaipan/witness.graphml [2018-11-18 14:44:25,168 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:44:25,168 INFO L168 Benchmark]: Toolchain (without parser) took 334518.72 ms. Allocated memory was 1.0 GB in the beginning and 5.3 GB in the end (delta: 4.3 GB). Free memory was 953.8 MB in the beginning and 901.3 MB in the end (delta: 52.4 MB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. [2018-11-18 14:44:25,169 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:44:25,169 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.06 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 875.9 MB in the end (delta: 77.8 MB). Peak memory consumption was 77.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:44:25,169 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 875.9 MB in the beginning and 1.1 GB in the end (delta: -260.3 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-11-18 14:44:25,169 INFO L168 Benchmark]: Boogie Preprocessor took 73.30 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: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:44:25,170 INFO L168 Benchmark]: RCFGBuilder took 1351.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 879.1 MB in the end (delta: 245.7 MB). Peak memory consumption was 245.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:44:25,170 INFO L168 Benchmark]: TraceAbstraction took 332126.60 ms. Allocated memory was 1.2 GB in the beginning and 5.3 GB in the end (delta: 4.1 GB). Free memory was 879.1 MB in the beginning and 980.2 MB in the end (delta: -101.1 MB). Peak memory consumption was 4.4 GB. Max. memory is 11.5 GB. [2018-11-18 14:44:25,170 INFO L168 Benchmark]: Witness Printer took 186.00 ms. Allocated memory is still 5.3 GB. Free memory was 980.2 MB in the beginning and 901.3 MB in the end (delta: 78.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:44:25,172 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 675.06 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 875.9 MB in the end (delta: 77.8 MB). Peak memory consumption was 77.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 102.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 875.9 MB in the beginning and 1.1 GB in the end (delta: -260.3 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.30 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: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1351.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 879.1 MB in the end (delta: 245.7 MB). Peak memory consumption was 245.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 332126.60 ms. Allocated memory was 1.2 GB in the beginning and 5.3 GB in the end (delta: 4.1 GB). Free memory was 879.1 MB in the beginning and 980.2 MB in the end (delta: -101.1 MB). Peak memory consumption was 4.4 GB. Max. memory is 11.5 GB. * Witness Printer took 186.00 ms. Allocated memory is still 5.3 GB. Free memory was 980.2 MB in the beginning and 901.3 MB in the end (delta: 78.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 181]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1773]: Loop Invariant Derived loop invariant: (((((((((((!(11 == \old(a16)) || !(\old(a18) + 87 == 0)) || 9 == a16) || ((!(a12 == 9) && !(a16 == 12)) && !(a12 == 8))) || (11 == a16 && 3 == a15)) || (12 <= a16 && !(a15 == 4))) || (!(a12 == 9) && !(a15 == 4))) || !(3 == \old(a15))) || ((((a15 == 3 && a18 + 79 <= 0) || 134 < a18) && a16 <= 9) && 9 <= a12)) || !(5 == \old(a12))) || ((a18 + 87 <= 0 && a16 <= 8) && !(a12 == 8))) || ((4 <= a15 && 9 <= a12) && a16 <= 8)) || (8 == a16 && !(9 == a12)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. SAFE Result, 332.0s OverallTime, 17 OverallIterations, 10 TraceHistogramMax, 283.5s AutomataDifference, 0.0s DeadEndRemovalTime, 18.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 3530 SDtfs, 42709 SDslu, 4866 SDs, 0 SdLazy, 84966 SolverSat, 10750 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 255.6s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 19244 GetRequests, 18885 SyntacticMatches, 30 SemanticMatches, 329 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3437 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26813occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.3s AbstIntTime, 11 AbstIntIterations, 3 AbstIntStrong, 0.9979458739271614 AbsIntWeakeningRatio, 0.07381370826010544 AbsIntAvgWeakeningVarsNumRemoved, 16.31019332161687 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 12714 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 2535 PreInvPairs, 4392 NumberOfFragments, 1050 HoareAnnotationTreeSize, 2535 FomulaSimplifications, 830458 FormulaSimplificationTreeSizeReduction, 5.7s HoareSimplificationTime, 9 FomulaSimplificationsInter, 696875 FormulaSimplificationTreeSizeReductionInter, 12.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 11.3s InterpolantComputationTime, 20993 NumberOfCodeBlocks, 20993 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 29775 ConstructedInterpolants, 0 QuantifiedInterpolants, 86943776 SizeOfPredicates, 4 NumberOfNonLiveVariables, 11559 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 33 InterpolantComputations, 8 PerfectInterpolantSequences, 64465/68437 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...