./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label28_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_6497ea6d-a2a5-48fb-a1da-b50b6e1081f6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6497ea6d-a2a5-48fb-a1da-b50b6e1081f6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6497ea6d-a2a5-48fb-a1da-b50b6e1081f6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6497ea6d-a2a5-48fb-a1da-b50b6e1081f6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label28_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6497ea6d-a2a5-48fb-a1da-b50b6e1081f6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6497ea6d-a2a5-48fb-a1da-b50b6e1081f6/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 8ac32c376f816320ca3aac8b16cdfd984f37d577 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:32:55,431 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:32:55,432 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:32:55,439 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:32:55,440 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:32:55,440 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:32:55,441 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:32:55,442 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:32:55,443 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:32:55,444 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:32:55,444 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:32:55,444 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:32:55,445 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:32:55,446 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:32:55,447 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:32:55,447 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:32:55,448 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:32:55,450 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:32:55,451 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:32:55,452 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:32:55,453 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:32:55,454 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:32:55,455 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:32:55,455 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:32:55,456 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:32:55,456 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:32:55,457 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:32:55,457 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:32:55,458 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:32:55,458 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:32:55,458 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:32:55,459 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:32:55,459 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:32:55,459 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:32:55,460 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:32:55,460 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:32:55,460 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6497ea6d-a2a5-48fb-a1da-b50b6e1081f6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 13:32:55,470 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:32:55,470 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:32:55,471 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:32:55,471 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:32:55,471 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:32:55,471 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:32:55,471 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:32:55,471 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 13:32:55,471 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:32:55,471 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:32:55,471 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 13:32:55,472 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 13:32:55,472 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:32:55,472 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:32:55,472 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:32:55,472 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:32:55,472 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:32:55,473 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:32:55,473 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:32:55,474 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:32:55,474 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:32:55,474 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:32:55,474 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:32:55,474 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:32:55,474 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:32:55,474 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:32:55,474 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:32:55,474 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:32:55,474 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:32:55,474 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:32:55,475 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:32:55,475 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:32:55,475 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:32:55,475 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 13:32:55,475 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:32:55,475 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:32:55,475 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 13:32:55,475 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_6497ea6d-a2a5-48fb-a1da-b50b6e1081f6/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 -> 8ac32c376f816320ca3aac8b16cdfd984f37d577 [2018-11-18 13:32:55,500 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:32:55,508 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:32:55,511 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:32:55,512 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:32:55,512 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:32:55,513 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6497ea6d-a2a5-48fb-a1da-b50b6e1081f6/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label28_true-unreach-call.c [2018-11-18 13:32:55,557 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6497ea6d-a2a5-48fb-a1da-b50b6e1081f6/bin-2019/utaipan/data/5c37c77cb/51abd3973a6a4a19a8f395bc56bb3e60/FLAGb76d342d3 [2018-11-18 13:32:56,004 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:32:56,005 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6497ea6d-a2a5-48fb-a1da-b50b6e1081f6/sv-benchmarks/c/eca-rers2012/Problem16_label28_true-unreach-call.c [2018-11-18 13:32:56,017 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6497ea6d-a2a5-48fb-a1da-b50b6e1081f6/bin-2019/utaipan/data/5c37c77cb/51abd3973a6a4a19a8f395bc56bb3e60/FLAGb76d342d3 [2018-11-18 13:32:56,030 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6497ea6d-a2a5-48fb-a1da-b50b6e1081f6/bin-2019/utaipan/data/5c37c77cb/51abd3973a6a4a19a8f395bc56bb3e60 [2018-11-18 13:32:56,033 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:32:56,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:32:56,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:32:56,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:32:56,038 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:32:56,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:32:56" (1/1) ... [2018-11-18 13:32:56,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ff47436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:32:56, skipping insertion in model container [2018-11-18 13:32:56,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:32:56" (1/1) ... [2018-11-18 13:32:56,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:32:56,098 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:32:56,497 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:32:56,500 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:32:56,688 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:32:56,788 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:32:56,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:32:56 WrapperNode [2018-11-18 13:32:56,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:32:56,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:32:56,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:32:56,790 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:32:56,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:32:56" (1/1) ... [2018-11-18 13:32:56,815 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:32:56" (1/1) ... [2018-11-18 13:32:56,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:32:56,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:32:56,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:32:56,822 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:32:56,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:32:56" (1/1) ... [2018-11-18 13:32:56,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:32:56" (1/1) ... [2018-11-18 13:32:56,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:32:56" (1/1) ... [2018-11-18 13:32:56,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:32:56" (1/1) ... [2018-11-18 13:32:56,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:32:56" (1/1) ... [2018-11-18 13:32:56,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:32:56" (1/1) ... [2018-11-18 13:32:56,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:32:56" (1/1) ... [2018-11-18 13:32:56,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:32:56,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:32:56,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:32:56,899 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:32:56,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:32:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6497ea6d-a2a5-48fb-a1da-b50b6e1081f6/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 13:32:56,946 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 13:32:56,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:32:56,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:32:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-18 13:32:56,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-18 13:32:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 13:32:56,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 13:32:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:32:56,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:32:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:32:56,947 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:32:58,341 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:32:58,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:32:58 BoogieIcfgContainer [2018-11-18 13:32:58,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:32:58,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:32:58,342 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:32:58,344 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:32:58,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:32:56" (1/3) ... [2018-11-18 13:32:58,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@725938b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:32:58, skipping insertion in model container [2018-11-18 13:32:58,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:32:56" (2/3) ... [2018-11-18 13:32:58,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@725938b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:32:58, skipping insertion in model container [2018-11-18 13:32:58,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:32:58" (3/3) ... [2018-11-18 13:32:58,347 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label28_true-unreach-call.c [2018-11-18 13:32:58,353 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:32:58,358 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:32:58,368 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:32:58,391 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:32:58,391 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:32:58,391 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:32:58,391 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:32:58,391 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:32:58,392 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:32:58,392 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:32:58,392 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:32:58,411 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-11-18 13:32:58,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 13:32:58,418 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:32:58,418 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:32:58,420 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:32:58,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:32:58,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1986931573, now seen corresponding path program 1 times [2018-11-18 13:32:58,425 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:32:58,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:32:58,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:32:58,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:32:58,455 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:32:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:32:58,644 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 13:32:58,646 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:32:58,646 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:32:58,646 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:32:58,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:32:58,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:32:58,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:32:58,659 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-11-18 13:32:59,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:32:59,908 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-11-18 13:32:59,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:32:59,909 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2018-11-18 13:32:59,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:32:59,924 INFO L225 Difference]: With dead ends: 1156 [2018-11-18 13:32:59,924 INFO L226 Difference]: Without dead ends: 744 [2018-11-18 13:32:59,930 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 13:32:59,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-11-18 13:32:59,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-11-18 13:32:59,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-11-18 13:32:59,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1329 transitions. [2018-11-18 13:32:59,994 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1329 transitions. Word has length 73 [2018-11-18 13:32:59,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:32:59,994 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 1329 transitions. [2018-11-18 13:32:59,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:32:59,994 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1329 transitions. [2018-11-18 13:33:00,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 13:33:00,001 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:33:00,001 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, 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] [2018-11-18 13:33:00,001 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:33:00,002 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:33:00,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1284369448, now seen corresponding path program 1 times [2018-11-18 13:33:00,002 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:33:00,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:33:00,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:33:00,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:33:00,003 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:33:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:00,188 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:33:00,188 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:33:00,189 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:33:00,189 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:33:00,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:33:00,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:33:00,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:33:00,191 INFO L87 Difference]: Start difference. First operand 744 states and 1329 transitions. Second operand 6 states. [2018-11-18 13:33:02,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:33:02,271 INFO L93 Difference]: Finished difference Result 2183 states and 3908 transitions. [2018-11-18 13:33:02,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:33:02,273 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 181 [2018-11-18 13:33:02,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:33:02,278 INFO L225 Difference]: With dead ends: 2183 [2018-11-18 13:33:02,278 INFO L226 Difference]: Without dead ends: 1445 [2018-11-18 13:33:02,282 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 13:33:02,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2018-11-18 13:33:02,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1424. [2018-11-18 13:33:02,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1424 states. [2018-11-18 13:33:02,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1424 states and 2239 transitions. [2018-11-18 13:33:02,325 INFO L78 Accepts]: Start accepts. Automaton has 1424 states and 2239 transitions. Word has length 181 [2018-11-18 13:33:02,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:33:02,326 INFO L480 AbstractCegarLoop]: Abstraction has 1424 states and 2239 transitions. [2018-11-18 13:33:02,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:33:02,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 2239 transitions. [2018-11-18 13:33:02,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 13:33:02,329 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:33:02,329 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, 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] [2018-11-18 13:33:02,329 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:33:02,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:33:02,330 INFO L82 PathProgramCache]: Analyzing trace with hash 365122197, now seen corresponding path program 1 times [2018-11-18 13:33:02,330 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:33:02,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:33:02,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:33:02,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:33:02,331 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:33:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:02,476 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:33:02,476 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:33:02,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:33:02,476 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:33:02,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:33:02,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:33:02,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:33:02,477 INFO L87 Difference]: Start difference. First operand 1424 states and 2239 transitions. Second operand 6 states. [2018-11-18 13:33:04,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:33:04,326 INFO L93 Difference]: Finished difference Result 3902 states and 6351 transitions. [2018-11-18 13:33:04,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:33:04,327 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 184 [2018-11-18 13:33:04,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:33:04,338 INFO L225 Difference]: With dead ends: 3902 [2018-11-18 13:33:04,338 INFO L226 Difference]: Without dead ends: 2484 [2018-11-18 13:33:04,342 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 13:33:04,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2018-11-18 13:33:04,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2474. [2018-11-18 13:33:04,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2474 states. [2018-11-18 13:33:04,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 2474 states and 3744 transitions. [2018-11-18 13:33:04,396 INFO L78 Accepts]: Start accepts. Automaton has 2474 states and 3744 transitions. Word has length 184 [2018-11-18 13:33:04,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:33:04,397 INFO L480 AbstractCegarLoop]: Abstraction has 2474 states and 3744 transitions. [2018-11-18 13:33:04,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:33:04,397 INFO L276 IsEmpty]: Start isEmpty. Operand 2474 states and 3744 transitions. [2018-11-18 13:33:04,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-11-18 13:33:04,401 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:33:04,402 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:33:04,402 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:33:04,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:33:04,402 INFO L82 PathProgramCache]: Analyzing trace with hash 351973064, now seen corresponding path program 1 times [2018-11-18 13:33:04,402 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:33:04,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:33:04,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:33:04,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:33:04,403 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:33:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:33:04,570 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 132 proven. 106 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 13:33:04,570 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:33:04,570 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:33:04,571 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 301 with the following transitions: [2018-11-18 13:33:04,572 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], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [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], [856], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:33:04,604 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:33:04,604 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:33:04,906 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:33:04,907 INFO L272 AbstractInterpreter]: Visited 121 different actions 121 times. Never merged. Never widened. Performed 1097 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1097 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-18 13:33:04,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:33:04,925 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:33:05,235 INFO L227 lantSequenceWeakener]: Weakened 291 states. On average, predicates are now at 78.16% of their original sizes. [2018-11-18 13:33:05,236 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:33:05,270 INFO L415 sIntCurrentIteration]: We unified 299 AI predicates to 299 [2018-11-18 13:33:05,270 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:33:05,270 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:33:05,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 13:33:05,271 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:33:05,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:33:05,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:33:05,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:33:05,271 INFO L87 Difference]: Start difference. First operand 2474 states and 3744 transitions. Second operand 6 states. [2018-11-18 13:34:06,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:34:06,513 INFO L93 Difference]: Finished difference Result 5282 states and 7967 transitions. [2018-11-18 13:34:06,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:34:06,513 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 300 [2018-11-18 13:34:06,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:34:06,523 INFO L225 Difference]: With dead ends: 5282 [2018-11-18 13:34:06,523 INFO L226 Difference]: Without dead ends: 2814 [2018-11-18 13:34:06,529 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 300 GetRequests, 295 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 13:34:06,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2814 states. [2018-11-18 13:34:06,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2814 to 2812. [2018-11-18 13:34:06,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2812 states. [2018-11-18 13:34:06,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 2812 states and 4089 transitions. [2018-11-18 13:34:06,582 INFO L78 Accepts]: Start accepts. Automaton has 2812 states and 4089 transitions. Word has length 300 [2018-11-18 13:34:06,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:34:06,582 INFO L480 AbstractCegarLoop]: Abstraction has 2812 states and 4089 transitions. [2018-11-18 13:34:06,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:34:06,582 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 4089 transitions. [2018-11-18 13:34:06,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-11-18 13:34:06,589 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:34:06,589 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, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:34:06,589 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:34:06,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:34:06,590 INFO L82 PathProgramCache]: Analyzing trace with hash 447473451, now seen corresponding path program 1 times [2018-11-18 13:34:06,590 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:34:06,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:34:06,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:34:06,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:34:06,591 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:34:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:34:06,762 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 293 proven. 110 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-11-18 13:34:06,762 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:34:06,762 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:34:06,762 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 393 with the following transitions: [2018-11-18 13:34:06,763 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], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [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], [836], [837], [841], [845], [849], [853], [856], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:34:06,765 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:34:06,765 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:34:07,000 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:34:07,001 INFO L272 AbstractInterpreter]: Visited 125 different actions 362 times. Merged at 5 different actions 9 times. Never widened. Performed 3532 root evaluator evaluations with a maximum evaluation depth of 7. Performed 3532 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 13:34:07,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:34:07,013 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:34:07,374 INFO L227 lantSequenceWeakener]: Weakened 389 states. On average, predicates are now at 80.7% of their original sizes. [2018-11-18 13:34:07,374 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:34:07,467 INFO L415 sIntCurrentIteration]: We unified 391 AI predicates to 391 [2018-11-18 13:34:07,468 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:34:07,468 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:34:07,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 13:34:07,468 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:34:07,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 13:34:07,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 13:34:07,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:34:07,469 INFO L87 Difference]: Start difference. First operand 2812 states and 4089 transitions. Second operand 10 states. [2018-11-18 13:35:04,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:35:04,380 INFO L93 Difference]: Finished difference Result 8059 states and 11703 transitions. [2018-11-18 13:35:04,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 13:35:04,380 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 392 [2018-11-18 13:35:04,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:35:04,398 INFO L225 Difference]: With dead ends: 8059 [2018-11-18 13:35:04,398 INFO L226 Difference]: Without dead ends: 5591 [2018-11-18 13:35:04,407 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 401 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 13:35:04,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5591 states. [2018-11-18 13:35:04,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5591 to 5567. [2018-11-18 13:35:04,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5567 states. [2018-11-18 13:35:04,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5567 states to 5567 states and 7100 transitions. [2018-11-18 13:35:04,506 INFO L78 Accepts]: Start accepts. Automaton has 5567 states and 7100 transitions. Word has length 392 [2018-11-18 13:35:04,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:35:04,506 INFO L480 AbstractCegarLoop]: Abstraction has 5567 states and 7100 transitions. [2018-11-18 13:35:04,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 13:35:04,506 INFO L276 IsEmpty]: Start isEmpty. Operand 5567 states and 7100 transitions. [2018-11-18 13:35:04,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2018-11-18 13:35:04,519 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:35:04,519 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, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:35:04,520 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:35:04,520 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:35:04,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1062440899, now seen corresponding path program 1 times [2018-11-18 13:35:04,520 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:35:04,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:35:04,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:35:04,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:35:04,522 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:35:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:35:05,154 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 308 proven. 123 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 13:35:05,154 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:35:05,155 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:35:05,155 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 541 with the following transitions: [2018-11-18 13:35:05,155 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], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [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], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:35:05,159 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:35:05,159 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:35:05,307 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:35:05,307 INFO L272 AbstractInterpreter]: Visited 249 different actions 492 times. Merged at 5 different actions 5 times. Never widened. Performed 5197 root evaluator evaluations with a maximum evaluation depth of 10. Performed 5197 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 13:35:05,309 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:35:05,309 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:35:05,577 INFO L227 lantSequenceWeakener]: Weakened 537 states. On average, predicates are now at 77.8% of their original sizes. [2018-11-18 13:35:05,578 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:35:05,632 INFO L415 sIntCurrentIteration]: We unified 539 AI predicates to 539 [2018-11-18 13:35:05,632 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:35:05,632 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:35:05,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2018-11-18 13:35:05,632 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:35:05,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 13:35:05,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 13:35:05,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:35:05,633 INFO L87 Difference]: Start difference. First operand 5567 states and 7100 transitions. Second operand 10 states. [2018-11-18 13:36:38,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:36:38,001 INFO L93 Difference]: Finished difference Result 11133 states and 14342 transitions. [2018-11-18 13:36:38,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 13:36:38,001 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 540 [2018-11-18 13:36:38,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:36:38,015 INFO L225 Difference]: With dead ends: 11133 [2018-11-18 13:36:38,015 INFO L226 Difference]: Without dead ends: 5910 [2018-11-18 13:36:38,026 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 547 GetRequests, 531 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 13:36:38,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5910 states. [2018-11-18 13:36:38,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5910 to 5907. [2018-11-18 13:36:38,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5907 states. [2018-11-18 13:36:38,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5907 states to 5907 states and 7456 transitions. [2018-11-18 13:36:38,127 INFO L78 Accepts]: Start accepts. Automaton has 5907 states and 7456 transitions. Word has length 540 [2018-11-18 13:36:38,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:36:38,127 INFO L480 AbstractCegarLoop]: Abstraction has 5907 states and 7456 transitions. [2018-11-18 13:36:38,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 13:36:38,127 INFO L276 IsEmpty]: Start isEmpty. Operand 5907 states and 7456 transitions. [2018-11-18 13:36:38,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 633 [2018-11-18 13:36:38,144 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:36:38,145 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:36:38,145 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:36:38,145 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:36:38,145 INFO L82 PathProgramCache]: Analyzing trace with hash -859992538, now seen corresponding path program 1 times [2018-11-18 13:36:38,145 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:36:38,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:38,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:36:38,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:38,146 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:36:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:36:39,161 INFO L134 CoverageAnalysis]: Checked inductivity of 878 backedges. 364 proven. 223 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2018-11-18 13:36:39,161 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:36:39,161 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:36:39,161 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 633 with the following transitions: [2018-11-18 13:36:39,162 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], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [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], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:36:39,166 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:36:39,167 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:36:39,619 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:36:39,619 INFO L272 AbstractInterpreter]: Visited 251 different actions 1249 times. Merged at 9 different actions 41 times. Widened at 1 different actions 1 times. Performed 15061 root evaluator evaluations with a maximum evaluation depth of 17. Performed 15061 inverse root evaluator evaluations with a maximum inverse evaluation depth of 17. Found 9 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 13:36:39,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:36:39,622 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:36:39,623 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:36:39,623 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6497ea6d-a2a5-48fb-a1da-b50b6e1081f6/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 13:36:39,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:36:39,629 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:36:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:36:39,753 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:36:40,127 INFO L134 CoverageAnalysis]: Checked inductivity of 878 backedges. 631 proven. 2 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-11-18 13:36:40,127 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:36:40,542 INFO L134 CoverageAnalysis]: Checked inductivity of 878 backedges. 364 proven. 223 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2018-11-18 13:36:40,558 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:36:40,558 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 19 [2018-11-18 13:36:40,558 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:36:40,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 13:36:40,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 13:36:40,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 13:36:40,560 INFO L87 Difference]: Start difference. First operand 5907 states and 7456 transitions. Second operand 16 states. [2018-11-18 13:36:46,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:36:46,258 INFO L93 Difference]: Finished difference Result 14313 states and 18258 transitions. [2018-11-18 13:36:46,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-11-18 13:36:46,259 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 632 [2018-11-18 13:36:46,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:36:46,270 INFO L225 Difference]: With dead ends: 14313 [2018-11-18 13:36:46,270 INFO L226 Difference]: Without dead ends: 6157 [2018-11-18 13:36:46,294 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1367 GetRequests, 1301 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1409 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=955, Invalid=3601, Unknown=0, NotChecked=0, Total=4556 [2018-11-18 13:36:46,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6157 states. [2018-11-18 13:36:46,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6157 to 5955. [2018-11-18 13:36:46,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5955 states. [2018-11-18 13:36:46,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5955 states to 5955 states and 6539 transitions. [2018-11-18 13:36:46,353 INFO L78 Accepts]: Start accepts. Automaton has 5955 states and 6539 transitions. Word has length 632 [2018-11-18 13:36:46,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:36:46,353 INFO L480 AbstractCegarLoop]: Abstraction has 5955 states and 6539 transitions. [2018-11-18 13:36:46,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 13:36:46,353 INFO L276 IsEmpty]: Start isEmpty. Operand 5955 states and 6539 transitions. [2018-11-18 13:36:46,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 650 [2018-11-18 13:36:46,357 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:36:46,358 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:36:46,358 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:36:46,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:36:46,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1632148327, now seen corresponding path program 1 times [2018-11-18 13:36:46,358 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:36:46,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:46,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:36:46,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:46,359 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:36:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:36:46,668 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 276 proven. 389 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2018-11-18 13:36:46,668 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:36:46,668 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:36:46,669 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 650 with the following transitions: [2018-11-18 13:36:46,669 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], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:36:46,672 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:36:46,672 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:36:46,909 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:36:46,909 INFO L272 AbstractInterpreter]: Visited 258 different actions 769 times. Merged at 7 different actions 17 times. Never widened. Performed 8981 root evaluator evaluations with a maximum evaluation depth of 10. Performed 8981 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 13:36:46,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:36:46,912 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:36:47,252 INFO L227 lantSequenceWeakener]: Weakened 646 states. On average, predicates are now at 80.52% of their original sizes. [2018-11-18 13:36:47,252 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:36:47,295 INFO L415 sIntCurrentIteration]: We unified 648 AI predicates to 648 [2018-11-18 13:36:47,295 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:36:47,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:36:47,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-18 13:36:47,296 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:36:47,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:36:47,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:36:47,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:36:47,296 INFO L87 Difference]: Start difference. First operand 5955 states and 6539 transitions. Second operand 9 states. [2018-11-18 13:37:58,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:37:58,227 INFO L93 Difference]: Finished difference Result 12435 states and 13729 transitions. [2018-11-18 13:37:58,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 13:37:58,227 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 649 [2018-11-18 13:37:58,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:37:58,239 INFO L225 Difference]: With dead ends: 12435 [2018-11-18 13:37:58,239 INFO L226 Difference]: Without dead ends: 7164 [2018-11-18 13:37:58,243 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 655 GetRequests, 641 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-18 13:37:58,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7164 states. [2018-11-18 13:37:58,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7164 to 7142. [2018-11-18 13:37:58,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7142 states. [2018-11-18 13:37:58,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7142 states to 7142 states and 7750 transitions. [2018-11-18 13:37:58,348 INFO L78 Accepts]: Start accepts. Automaton has 7142 states and 7750 transitions. Word has length 649 [2018-11-18 13:37:58,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:37:58,349 INFO L480 AbstractCegarLoop]: Abstraction has 7142 states and 7750 transitions. [2018-11-18 13:37:58,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:37:58,350 INFO L276 IsEmpty]: Start isEmpty. Operand 7142 states and 7750 transitions. [2018-11-18 13:37:58,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2018-11-18 13:37:58,360 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:37:58,361 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, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:37:58,361 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:37:58,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:37:58,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1965609950, now seen corresponding path program 1 times [2018-11-18 13:37:58,362 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:37:58,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:37:58,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:37:58,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:37:58,363 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:37:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:37:59,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1429 backedges. 584 proven. 511 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2018-11-18 13:37:59,319 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:37:59,319 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:37:59,320 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 780 with the following transitions: [2018-11-18 13:37:59,320 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], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [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], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:37:59,322 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:37:59,322 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:37:59,839 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:37:59,839 INFO L272 AbstractInterpreter]: Visited 260 different actions 1295 times. Merged at 10 different actions 42 times. Never widened. Performed 15745 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15745 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 13:37:59,840 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:37:59,841 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:37:59,841 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:37:59,841 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6497ea6d-a2a5-48fb-a1da-b50b6e1081f6/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 13:37:59,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:37:59,846 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:37:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:37:59,949 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:38:00,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1429 backedges. 1034 proven. 2 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2018-11-18 13:38:00,144 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:38:00,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1429 backedges. 682 proven. 110 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2018-11-18 13:38:00,408 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:38:00,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-18 13:38:00,408 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:38:00,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 13:38:00,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 13:38:00,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-11-18 13:38:00,410 INFO L87 Difference]: Start difference. First operand 7142 states and 7750 transitions. Second operand 15 states. [2018-11-18 13:38:04,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:38:04,974 INFO L93 Difference]: Finished difference Result 19625 states and 21757 transitions. [2018-11-18 13:38:04,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-11-18 13:38:04,974 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 779 [2018-11-18 13:38:04,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:38:04,992 INFO L225 Difference]: With dead ends: 19625 [2018-11-18 13:38:04,993 INFO L226 Difference]: Without dead ends: 13167 [2018-11-18 13:38:05,001 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1649 GetRequests, 1590 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1000 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=680, Invalid=2742, Unknown=0, NotChecked=0, Total=3422 [2018-11-18 13:38:05,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13167 states. [2018-11-18 13:38:05,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13167 to 11191. [2018-11-18 13:38:05,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11191 states. [2018-11-18 13:38:05,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11191 states to 11191 states and 12190 transitions. [2018-11-18 13:38:05,104 INFO L78 Accepts]: Start accepts. Automaton has 11191 states and 12190 transitions. Word has length 779 [2018-11-18 13:38:05,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:38:05,105 INFO L480 AbstractCegarLoop]: Abstraction has 11191 states and 12190 transitions. [2018-11-18 13:38:05,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 13:38:05,105 INFO L276 IsEmpty]: Start isEmpty. Operand 11191 states and 12190 transitions. [2018-11-18 13:38:05,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1108 [2018-11-18 13:38:05,114 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:38:05,115 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, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:38:05,115 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:38:05,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:38:05,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1710631556, now seen corresponding path program 1 times [2018-11-18 13:38:05,116 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:38:05,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:38:05,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:38:05,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:38:05,116 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:38:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:38:05,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2801 backedges. 927 proven. 223 refuted. 0 times theorem prover too weak. 1651 trivial. 0 not checked. [2018-11-18 13:38:05,666 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:38:05,667 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:38:05,667 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1108 with the following transitions: [2018-11-18 13:38:05,667 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], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [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], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:38:05,669 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:38:05,670 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:38:06,115 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:38:06,115 INFO L272 AbstractInterpreter]: Visited 254 different actions 1025 times. Merged at 12 different actions 44 times. Widened at 1 different actions 1 times. Performed 11945 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11945 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 13 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 13:38:06,117 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:38:06,117 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:38:06,117 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:38:06,117 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6497ea6d-a2a5-48fb-a1da-b50b6e1081f6/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 13:38:06,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:38:06,123 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:38:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:38:06,262 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:38:06,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2801 backedges. 1869 proven. 2 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2018-11-18 13:38:06,642 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:38:07,054 INFO L134 CoverageAnalysis]: Checked inductivity of 2801 backedges. 927 proven. 223 refuted. 0 times theorem prover too weak. 1651 trivial. 0 not checked. [2018-11-18 13:38:07,070 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:38:07,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 13:38:07,070 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:38:07,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:38:07,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:38:07,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:38:07,072 INFO L87 Difference]: Start difference. First operand 11191 states and 12190 transitions. Second operand 9 states. [2018-11-18 13:38:08,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:38:08,816 INFO L93 Difference]: Finished difference Result 23359 states and 25752 transitions. [2018-11-18 13:38:08,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 13:38:08,816 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1107 [2018-11-18 13:38:08,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:38:08,840 INFO L225 Difference]: With dead ends: 23359 [2018-11-18 13:38:08,840 INFO L226 Difference]: Without dead ends: 12897 [2018-11-18 13:38:08,856 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2231 GetRequests, 2215 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-18 13:38:08,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12897 states. [2018-11-18 13:38:08,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12897 to 12821. [2018-11-18 13:38:08,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12821 states. [2018-11-18 13:38:09,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12821 states to 12821 states and 13809 transitions. [2018-11-18 13:38:09,010 INFO L78 Accepts]: Start accepts. Automaton has 12821 states and 13809 transitions. Word has length 1107 [2018-11-18 13:38:09,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:38:09,011 INFO L480 AbstractCegarLoop]: Abstraction has 12821 states and 13809 transitions. [2018-11-18 13:38:09,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:38:09,011 INFO L276 IsEmpty]: Start isEmpty. Operand 12821 states and 13809 transitions. [2018-11-18 13:38:09,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1109 [2018-11-18 13:38:09,028 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:38:09,029 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, 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, 6, 6, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:38:09,029 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:38:09,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:38:09,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1343758785, now seen corresponding path program 1 times [2018-11-18 13:38:09,029 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:38:09,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:38:09,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:38:09,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:38:09,030 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:38:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:38:10,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2807 backedges. 1100 proven. 110 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2018-11-18 13:38:10,060 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:38:10,060 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:38:10,060 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1109 with the following transitions: [2018-11-18 13:38:10,060 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], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [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], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:38:10,063 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:38:10,063 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:38:10,549 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:38:10,550 INFO L272 AbstractInterpreter]: Visited 254 different actions 1023 times. Merged at 12 different actions 42 times. Widened at 1 different actions 1 times. Performed 11939 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11939 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 13 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-18 13:38:10,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:38:10,557 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:38:10,557 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:38:10,557 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6497ea6d-a2a5-48fb-a1da-b50b6e1081f6/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 13:38:10,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:38:10,563 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:38:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:38:10,693 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:38:11,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2807 backedges. 1634 proven. 2 refuted. 0 times theorem prover too weak. 1171 trivial. 0 not checked. [2018-11-18 13:38:11,015 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:38:11,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2807 backedges. 1100 proven. 110 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2018-11-18 13:38:11,499 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:38:11,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 13:38:11,499 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:38:11,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:38:11,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:38:11,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:38:11,500 INFO L87 Difference]: Start difference. First operand 12821 states and 13809 transitions. Second operand 9 states. [2018-11-18 13:38:14,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:38:14,058 INFO L93 Difference]: Finished difference Result 28517 states and 32002 transitions. [2018-11-18 13:38:14,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 13:38:14,059 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1108 [2018-11-18 13:38:14,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:38:14,089 INFO L225 Difference]: With dead ends: 28517 [2018-11-18 13:38:14,090 INFO L226 Difference]: Without dead ends: 16425 [2018-11-18 13:38:14,107 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2244 GetRequests, 2222 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 13:38:14,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16425 states. [2018-11-18 13:38:14,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16425 to 16348. [2018-11-18 13:38:14,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16348 states. [2018-11-18 13:38:14,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16348 states to 16348 states and 17878 transitions. [2018-11-18 13:38:14,307 INFO L78 Accepts]: Start accepts. Automaton has 16348 states and 17878 transitions. Word has length 1108 [2018-11-18 13:38:14,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:38:14,307 INFO L480 AbstractCegarLoop]: Abstraction has 16348 states and 17878 transitions. [2018-11-18 13:38:14,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:38:14,307 INFO L276 IsEmpty]: Start isEmpty. Operand 16348 states and 17878 transitions. [2018-11-18 13:38:14,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1118 [2018-11-18 13:38:14,318 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:38:14,319 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, 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, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 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 13:38:14,319 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:38:14,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:38:14,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1853820245, now seen corresponding path program 1 times [2018-11-18 13:38:14,319 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:38:14,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:38:14,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:38:14,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:38:14,320 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:38:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:38:14,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2516 backedges. 982 proven. 110 refuted. 0 times theorem prover too weak. 1424 trivial. 0 not checked. [2018-11-18 13:38:14,924 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:38:14,924 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:38:14,924 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1118 with the following transitions: [2018-11-18 13:38:14,924 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], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:38:14,927 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:38:14,927 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:38:15,448 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:38:15,448 INFO L272 AbstractInterpreter]: Visited 253 different actions 1013 times. Merged at 11 different actions 36 times. Never widened. Performed 11830 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11830 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 13:38:15,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:38:15,453 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:38:15,453 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:38:15,453 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6497ea6d-a2a5-48fb-a1da-b50b6e1081f6/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 13:38:15,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:38:15,459 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:38:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:38:15,578 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:38:15,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2516 backedges. 1450 proven. 2 refuted. 0 times theorem prover too weak. 1064 trivial. 0 not checked. [2018-11-18 13:38:15,980 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:38:16,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2516 backedges. 982 proven. 110 refuted. 0 times theorem prover too weak. 1424 trivial. 0 not checked. [2018-11-18 13:38:16,405 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:38:16,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-11-18 13:38:16,405 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:38:16,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 13:38:16,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 13:38:16,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-18 13:38:16,406 INFO L87 Difference]: Start difference. First operand 16348 states and 17878 transitions. Second operand 10 states. [2018-11-18 13:38:18,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:38:18,458 INFO L93 Difference]: Finished difference Result 31559 states and 34428 transitions. [2018-11-18 13:38:18,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 13:38:18,458 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1117 [2018-11-18 13:38:18,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:38:18,478 INFO L225 Difference]: With dead ends: 31559 [2018-11-18 13:38:18,478 INFO L226 Difference]: Without dead ends: 15940 [2018-11-18 13:38:18,496 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2265 GetRequests, 2241 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2018-11-18 13:38:18,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15940 states. [2018-11-18 13:38:18,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15940 to 15855. [2018-11-18 13:38:18,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15855 states. [2018-11-18 13:38:18,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15855 states to 15855 states and 16961 transitions. [2018-11-18 13:38:18,629 INFO L78 Accepts]: Start accepts. Automaton has 15855 states and 16961 transitions. Word has length 1117 [2018-11-18 13:38:18,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:38:18,630 INFO L480 AbstractCegarLoop]: Abstraction has 15855 states and 16961 transitions. [2018-11-18 13:38:18,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 13:38:18,630 INFO L276 IsEmpty]: Start isEmpty. Operand 15855 states and 16961 transitions. [2018-11-18 13:38:18,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1138 [2018-11-18 13:38:18,642 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:38:18,642 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, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:38:18,643 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:38:18,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:38:18,643 INFO L82 PathProgramCache]: Analyzing trace with hash -399027340, now seen corresponding path program 1 times [2018-11-18 13:38:18,643 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:38:18,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:38:18,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:38:18,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:38:18,644 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:38:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:38:19,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2126 backedges. 1044 proven. 623 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2018-11-18 13:38:19,618 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:38:19,618 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:38:19,618 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1138 with the following transitions: [2018-11-18 13:38:19,618 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], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:38:19,621 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:38:19,621 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:38:20,377 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:38:20,377 INFO L272 AbstractInterpreter]: Visited 286 different actions 1147 times. Merged at 9 different actions 38 times. Widened at 1 different actions 1 times. Performed 13750 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13750 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 10 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-18 13:38:20,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:38:20,379 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:38:20,379 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:38:20,379 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6497ea6d-a2a5-48fb-a1da-b50b6e1081f6/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 13:38:20,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:38:20,386 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:38:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:38:20,528 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:38:20,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2126 backedges. 342 proven. 0 refuted. 0 times theorem prover too weak. 1784 trivial. 0 not checked. [2018-11-18 13:38:20,946 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:38:21,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2126 backedges. 342 proven. 0 refuted. 0 times theorem prover too weak. 1784 trivial. 0 not checked. [2018-11-18 13:38:21,306 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:38:21,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-18 13:38:21,307 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:38:21,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:38:21,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:38:21,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:38:21,308 INFO L87 Difference]: Start difference. First operand 15855 states and 16961 transitions. Second operand 3 states. [2018-11-18 13:38:21,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:38:21,854 INFO L93 Difference]: Finished difference Result 30347 states and 32528 transitions. [2018-11-18 13:38:21,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:38:21,855 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1137 [2018-11-18 13:38:21,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:38:21,878 INFO L225 Difference]: With dead ends: 30347 [2018-11-18 13:38:21,878 INFO L226 Difference]: Without dead ends: 15221 [2018-11-18 13:38:21,890 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2286 GetRequests, 2275 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:38:21,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15221 states. [2018-11-18 13:38:22,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15221 to 15221. [2018-11-18 13:38:22,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15221 states. [2018-11-18 13:38:22,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15221 states to 15221 states and 16204 transitions. [2018-11-18 13:38:22,022 INFO L78 Accepts]: Start accepts. Automaton has 15221 states and 16204 transitions. Word has length 1137 [2018-11-18 13:38:22,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:38:22,022 INFO L480 AbstractCegarLoop]: Abstraction has 15221 states and 16204 transitions. [2018-11-18 13:38:22,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:38:22,022 INFO L276 IsEmpty]: Start isEmpty. Operand 15221 states and 16204 transitions. [2018-11-18 13:38:22,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1210 [2018-11-18 13:38:22,033 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:38:22,033 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, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:38:22,033 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:38:22,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:38:22,033 INFO L82 PathProgramCache]: Analyzing trace with hash -2037464183, now seen corresponding path program 1 times [2018-11-18 13:38:22,033 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:38:22,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:38:22,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:38:22,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:38:22,034 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:38:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:38:23,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2552 backedges. 1321 proven. 693 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2018-11-18 13:38:23,118 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:38:23,118 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:38:23,118 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1210 with the following transitions: [2018-11-18 13:38:23,119 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], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:38:23,121 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:38:23,122 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:38:23,936 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:38:23,936 INFO L272 AbstractInterpreter]: Visited 287 different actions 1146 times. Merged at 10 different actions 33 times. Never widened. Performed 13777 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13777 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-18 13:38:23,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:38:23,941 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:38:23,941 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:38:23,941 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6497ea6d-a2a5-48fb-a1da-b50b6e1081f6/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 13:38:23,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:38:23,947 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:38:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:38:24,076 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:38:24,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2552 backedges. 411 proven. 0 refuted. 0 times theorem prover too weak. 2141 trivial. 0 not checked. [2018-11-18 13:38:24,469 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:38:24,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2552 backedges. 411 proven. 0 refuted. 0 times theorem prover too weak. 2141 trivial. 0 not checked. [2018-11-18 13:38:24,900 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:38:24,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-18 13:38:24,900 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:38:24,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:38:24,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:38:24,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:38:24,901 INFO L87 Difference]: Start difference. First operand 15221 states and 16204 transitions. Second operand 3 states. [2018-11-18 13:38:25,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:38:25,931 INFO L93 Difference]: Finished difference Result 28774 states and 30660 transitions. [2018-11-18 13:38:25,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:38:25,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1209 [2018-11-18 13:38:25,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:38:25,946 INFO L225 Difference]: With dead ends: 28774 [2018-11-18 13:38:25,947 INFO L226 Difference]: Without dead ends: 14282 [2018-11-18 13:38:25,959 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2432 GetRequests, 2420 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:38:25,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14282 states. [2018-11-18 13:38:26,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14282 to 14189. [2018-11-18 13:38:26,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14189 states. [2018-11-18 13:38:26,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14189 states to 14189 states and 14878 transitions. [2018-11-18 13:38:26,077 INFO L78 Accepts]: Start accepts. Automaton has 14189 states and 14878 transitions. Word has length 1209 [2018-11-18 13:38:26,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:38:26,078 INFO L480 AbstractCegarLoop]: Abstraction has 14189 states and 14878 transitions. [2018-11-18 13:38:26,078 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:38:26,078 INFO L276 IsEmpty]: Start isEmpty. Operand 14189 states and 14878 transitions. [2018-11-18 13:38:26,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1356 [2018-11-18 13:38:26,090 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:38:26,090 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, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:38:26,090 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:38:26,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:38:26,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1339369283, now seen corresponding path program 1 times [2018-11-18 13:38:26,091 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:38:26,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:38:26,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:38:26,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:38:26,091 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:38:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:38:27,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4003 backedges. 1514 proven. 69 refuted. 0 times theorem prover too weak. 2420 trivial. 0 not checked. [2018-11-18 13:38:27,444 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:38:27,445 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:38:27,445 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1356 with the following transitions: [2018-11-18 13:38:27,445 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], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1268], [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 13:38:27,447 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:38:27,447 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:38:27,881 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:38:27,881 INFO L272 AbstractInterpreter]: Visited 255 different actions 1027 times. Merged at 12 different actions 42 times. Widened at 1 different actions 1 times. Performed 12035 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12035 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-18 13:38:27,883 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:38:27,883 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:38:27,883 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:38:27,883 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6497ea6d-a2a5-48fb-a1da-b50b6e1081f6/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 13:38:27,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:38:27,889 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:38:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:38:28,028 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:38:28,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4003 backedges. 2758 proven. 6 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2018-11-18 13:38:28,688 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:38:29,882 INFO L134 CoverageAnalysis]: Checked inductivity of 4003 backedges. 1709 proven. 361 refuted. 0 times theorem prover too weak. 1933 trivial. 0 not checked. [2018-11-18 13:38:29,897 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:38:29,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 22 [2018-11-18 13:38:29,898 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:38:29,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-18 13:38:29,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-18 13:38:29,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2018-11-18 13:38:29,899 INFO L87 Difference]: Start difference. First operand 14189 states and 14878 transitions. Second operand 17 states. [2018-11-18 13:38:39,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:38:39,596 INFO L93 Difference]: Finished difference Result 30995 states and 32610 transitions. [2018-11-18 13:38:39,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-11-18 13:38:39,596 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1355 [2018-11-18 13:38:39,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:38:39,613 INFO L225 Difference]: With dead ends: 30995 [2018-11-18 13:38:39,614 INFO L226 Difference]: Without dead ends: 15337 [2018-11-18 13:38:39,627 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2807 GetRequests, 2738 SyntacticMatches, 6 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1066 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=736, Invalid=3424, Unknown=0, NotChecked=0, Total=4160 [2018-11-18 13:38:39,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15337 states. [2018-11-18 13:38:39,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15337 to 14250. [2018-11-18 13:38:39,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14250 states. [2018-11-18 13:38:39,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14250 states to 14250 states and 14807 transitions. [2018-11-18 13:38:39,738 INFO L78 Accepts]: Start accepts. Automaton has 14250 states and 14807 transitions. Word has length 1355 [2018-11-18 13:38:39,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:38:39,738 INFO L480 AbstractCegarLoop]: Abstraction has 14250 states and 14807 transitions. [2018-11-18 13:38:39,738 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-18 13:38:39,738 INFO L276 IsEmpty]: Start isEmpty. Operand 14250 states and 14807 transitions. [2018-11-18 13:38:39,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1918 [2018-11-18 13:38:39,758 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:38:39,759 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, 10, 10, 10, 10, 10, 10, 10, 10, 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 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 13:38:39,759 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:38:39,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:38:39,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1001147704, now seen corresponding path program 1 times [2018-11-18 13:38:39,759 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:38:39,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:38:39,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:38:39,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:38:39,760 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:38:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:38:41,189 INFO L134 CoverageAnalysis]: Checked inductivity of 6456 backedges. 2103 proven. 64 refuted. 0 times theorem prover too weak. 4289 trivial. 0 not checked. [2018-11-18 13:38:41,189 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:38:41,189 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:38:41,189 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1918 with the following transitions: [2018-11-18 13:38:41,190 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], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [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], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1540], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:38:41,192 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:38:41,192 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:38:42,072 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:38:42,072 INFO L272 AbstractInterpreter]: Visited 303 different actions 1213 times. Merged at 11 different actions 36 times. Never widened. Performed 14658 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14658 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 14 fixpoints after 7 different actions. Largest state had 24 variables. [2018-11-18 13:38:42,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:38:42,077 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:38:42,077 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:38:42,077 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6497ea6d-a2a5-48fb-a1da-b50b6e1081f6/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:38:42,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:38:42,084 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:38:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:38:42,279 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:38:43,170 INFO L134 CoverageAnalysis]: Checked inductivity of 6456 backedges. 618 proven. 0 refuted. 0 times theorem prover too weak. 5838 trivial. 0 not checked. [2018-11-18 13:38:43,170 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:38:44,093 INFO L134 CoverageAnalysis]: Checked inductivity of 6456 backedges. 618 proven. 0 refuted. 0 times theorem prover too weak. 5838 trivial. 0 not checked. [2018-11-18 13:38:44,119 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:38:44,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-11-18 13:38:44,120 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:38:44,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:38:44,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:38:44,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:38:44,121 INFO L87 Difference]: Start difference. First operand 14250 states and 14807 transitions. Second operand 3 states. [2018-11-18 13:38:44,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:38:44,718 INFO L93 Difference]: Finished difference Result 35780 states and 37357 transitions. [2018-11-18 13:38:44,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:38:44,719 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1917 [2018-11-18 13:38:44,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:38:44,720 INFO L225 Difference]: With dead ends: 35780 [2018-11-18 13:38:44,720 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:38:44,735 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3840 GetRequests, 3835 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:38:44,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:38:44,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:38:44,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:38:44,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:38:44,736 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1917 [2018-11-18 13:38:44,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:38:44,736 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:38:44,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:38:44,736 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:38:44,737 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:38:44,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:38:44,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:38:44,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:38:44,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:38:44,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:38:44,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:38:44,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:38:44,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:38:45,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:38:45,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:38:45,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:38:45,221 WARN L180 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 284 [2018-11-18 13:38:45,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:38:45,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:38:45,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:38:45,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:38:45,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:38:45,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:38:45,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:38:45,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:38:46,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:38:46,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:38:46,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:38:46,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:38:46,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:38:46,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:38:46,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:38:46,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:38:46,490 WARN L180 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 309 [2018-11-18 13:38:47,256 WARN L180 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 62 [2018-11-18 13:38:48,653 WARN L180 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 354 DAG size of output: 116 [2018-11-18 13:38:49,550 WARN L180 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 105 [2018-11-18 13:38:52,104 WARN L180 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 365 DAG size of output: 151 [2018-11-18 13:38:52,876 WARN L180 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 59 [2018-11-18 13:38:52,885 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:38:52,885 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 13:38:52,885 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:38:52,885 INFO L425 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,885 INFO L425 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 13:38:52,885 INFO L425 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,885 INFO L425 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,885 INFO L425 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,886 INFO L425 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,886 INFO L425 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,886 INFO L425 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,886 INFO L425 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,886 INFO L425 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,886 INFO L425 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,886 INFO L425 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,886 INFO L425 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,886 INFO L425 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,886 INFO L425 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,886 INFO L425 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,886 INFO L425 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,886 INFO L425 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,886 INFO L425 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,886 INFO L425 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,886 INFO L425 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,886 INFO L425 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,886 INFO L425 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,886 INFO L425 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,886 INFO L425 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,886 INFO L425 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,886 INFO L425 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,886 INFO L425 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,887 INFO L425 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,887 INFO L421 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse34 (= 5 |old(~a12~0)|)) (.cse33 (= 3 |old(~a15~0)|))) (let ((.cse6 (<= (+ ~a18~0 156) 0)) (.cse5 (< 0 (+ |old(~a18~0)| 156))) (.cse14 (not .cse33)) (.cse27 (not .cse34)) (.cse30 (not (= (+ |old(~a18~0)| 87) 0))) (.cse31 (not (= 11 |old(~a16~0)|))) (.cse1 (= 9 |old(~a16~0)|)) (.cse22 (= 4 |old(~a15~0)|)) (.cse12 (not (= 8 |old(~a12~0)|))) (.cse23 (<= ~a18~0 |old(~a18~0)|)) (.cse24 (= |old(~a15~0)| ~a15~0)) (.cse25 (= ~a16~0 |old(~a16~0)|)) (.cse26 (= |old(~a12~0)| ~a12~0)) (.cse32 (= 8 |old(~a16~0)|))) (let ((.cse7 (< 134 ~a18~0)) (.cse0 (< |old(~a12~0)| 7)) (.cse21 (= (+ ~a18~0 87) 0)) (.cse8 (< 6 |old(~a12~0)|)) (.cse9 (and .cse33 .cse34 .cse32)) (.cse3 (and .cse23 .cse24 .cse25 .cse26)) (.cse29 (or .cse1 .cse22 .cse12)) (.cse4 (and (or (not .cse32) .cse14 .cse27) (or .cse14 .cse27 .cse30 .cse31))) (.cse17 (and (<= (+ |old(~a18~0)| 79) 0) .cse5)) (.cse15 (or .cse6 (< 0 (+ ~a18~0 79)))) (.cse16 (not (= 7 |old(~a12~0)|))) (.cse10 (< (+ |old(~a18~0)| 44) 0)) (.cse11 (<= 0 (+ ~a18~0 44))) (.cse13 (not .cse1)) (.cse2 (= 10 |old(~a16~0)|)) (.cse18 (= |old(~a16~0)| ~a16~0)) (.cse28 (< |old(~a15~0)| 4))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (or .cse6 .cse7)) (or .cse8 .cse9 .cse1 .cse10 .cse11) (or .cse3 .cse12 .cse13) (or .cse4 (<= |old(~a18~0)| 134) .cse7) (or .cse14 .cse15 .cse16 .cse2 .cse17) (or (and .cse18 (let ((.cse19 (= ~a15~0 3)) (.cse20 (= ~a12~0 5))) (or (and (= ~a16~0 8) .cse19 .cse20) (and .cse19 .cse20 .cse21)))) .cse4) (or .cse0 .cse22 .cse10 .cse2 (and .cse11 .cse23 .cse24 .cse25 .cse26)) (or .cse3 (or .cse14 .cse27) .cse13) (or .cse11 .cse10 (< 8 |old(~a16~0)|) .cse28) (or .cse3 .cse29) (or .cse14 .cse16 .cse3 .cse17 .cse13) (or (or .cse14 .cse30 (not (= 6 |old(~a12~0)|))) .cse21 .cse31) (or .cse8 .cse9 .cse1 .cse3) (or .cse10 .cse29 .cse11) (or .cse4 .cse17 .cse15) (or .cse16 .cse10 .cse11 .cse13) (or .cse2 (and .cse18 .cse23 .cse24 .cse26) .cse28))))) [2018-11-18 13:38:52,887 INFO L425 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,887 INFO L425 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,887 INFO L425 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,887 INFO L425 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,887 INFO L425 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,887 INFO L425 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,887 INFO L425 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,887 INFO L425 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 13:38:52,887 INFO L425 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,887 INFO L425 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,887 INFO L425 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,887 INFO L425 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,887 INFO L425 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,887 INFO L425 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,887 INFO L425 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,887 INFO L425 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,887 INFO L425 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-18 13:38:52,887 INFO L425 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,888 INFO L425 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,888 INFO L425 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,888 INFO L425 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,888 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,888 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,888 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,888 INFO L425 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,888 INFO L425 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,888 INFO L425 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,888 INFO L425 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,888 INFO L425 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,888 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,888 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 13:38:52,888 INFO L425 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,888 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 13:38:52,888 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 13:38:52,888 INFO L421 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse0 (not (= 3 |old(~a15~0)|))) (.cse7 (not (= 5 |old(~a12~0)|))) (.cse5 (not (= (+ |old(~a18~0)| 87) 0))) (.cse1 (not (= 11 |old(~a16~0)|))) (.cse6 (= (+ ~a18~0 87) 0)) (.cse37 (= ~a15~0 3))) (let ((.cse35 (not .cse37)) (.cse26 (= |old(~a16~0)| ~a16~0)) (.cse27 (<= ~a18~0 |old(~a18~0)|)) (.cse10 (= |old(~a12~0)| ~a12~0)) (.cse38 (= ~a12~0 |old(~a12~0)|)) (.cse39 (= 8 ~a16~0)) (.cse2 (= |calculate_output_#in~input| 0)) (.cse8 (= |old(~a15~0)| ~a15~0)) (.cse3 (not (= calculate_output_~input 0))) (.cse9 (= ~a16~0 |old(~a16~0)|)) (.cse40 (let ((.cse41 (= ~a12~0 5))) (or (and (= ~a16~0 8) .cse37 .cse41) (and (= ~a16~0 11) .cse37 .cse41 .cse6)))) (.cse4 (or .cse0 .cse7 .cse5 .cse1)) (.cse11 (= 9 |old(~a16~0)|)) (.cse29 (< 0 (+ |old(~a18~0)| 156))) (.cse30 (<= (+ ~a18~0 156) 0)) (.cse36 (< 0 (+ ~a18~0 79)))) (let ((.cse20 (< |old(~a15~0)| 4)) (.cse23 (not (= 8 |old(~a12~0)|))) (.cse33 (or .cse30 .cse36)) (.cse32 (and (<= (+ |old(~a18~0)| 79) 0) .cse29)) (.cse21 (not .cse11)) (.cse28 (and (or (not (= 8 |old(~a16~0)|)) .cse0 .cse7) .cse4)) (.cse31 (< 134 ~a18~0)) (.cse17 (and .cse38 .cse39 (not .cse2) .cse8 .cse3 .cse9 .cse40)) (.cse19 (not (= 7 |old(~a12~0)|))) (.cse24 (and .cse27 .cse8 .cse9 .cse10)) (.cse13 (and .cse38 .cse39 .cse26 .cse40 .cse8)) (.cse14 (< 6 |old(~a12~0)|)) (.cse34 (< |old(~a12~0)| 7)) (.cse12 (and .cse38 (not (= ~a15~0 4)) .cse26 (<= ~a16~0 8) (or (not (= 5 ~a12~0)) (not .cse39) .cse35) .cse8)) (.cse22 (= 4 |old(~a15~0)|)) (.cse16 (< (+ |old(~a18~0)| 44) 0)) (.cse25 (= 10 |old(~a16~0)|)) (.cse15 (<= 0 (+ ~a18~0 44))) (.cse18 (= 0 |old(~a16~0)|))) (and (or (or .cse0 (= 0 |old(~a12~0)|) .cse1 .cse2) .cse3) (or .cse2 (and (or .cse0 (not (= 6 |old(~a12~0)|)) .cse1) .cse4) .cse5 .cse6) (or .cse0 .cse7 .cse2 (and (and .cse8 .cse9) .cse10)) (or .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) (or .cse0 .cse7 .cse11 .cse2 .cse17 .cse18 .cse16 .cse15) (or .cse19 .cse15 .cse20 .cse16 .cse21) (or .cse11 .cse22 .cse16 .cse12 .cse23 .cse15) (or .cse24 .cse12 .cse25 .cse20) (or .cse12 .cse23 .cse22 (and .cse8 .cse26 .cse27 .cse10)) (or .cse28 .cse29 (or .cse30 .cse31) .cse2) (or .cse28 .cse32 .cse33 .cse2) (or .cse0 .cse12 .cse19 .cse33 .cse32 .cse25) (or .cse34 .cse12 .cse15 .cse16 (< 8 |old(~a16~0)|)) (or .cse0 .cse19 .cse24 .cse32 .cse21) (or .cse28 (<= |old(~a18~0)| 134) .cse31 .cse2) (or .cse0 .cse7 .cse2 .cse17 .cse18 .cse27) (or .cse34 .cse11 .cse12 .cse25 (and (or (not (= 11 ~a16~0)) (not (= calculate_output_~input 3)) .cse19 .cse35 .cse36) .cse27 .cse8 .cse9 .cse10)) (or .cse11 .cse24 .cse12 .cse13 .cse14) (or (and .cse37 (= 7 ~a12~0) .cse8 (= 9 ~a16~0) .cse10) .cse34 .cse12 .cse22 (and (= 8 ~a12~0) .cse10) .cse16 .cse25 (and .cse15 .cse27 .cse8 .cse9 .cse10)) (or .cse0 .cse7 .cse3 .cse2 .cse18))))) [2018-11-18 13:38:52,888 INFO L425 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,888 INFO L425 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-18 13:38:52,889 INFO L425 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,889 INFO L425 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,889 INFO L425 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,889 INFO L425 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,889 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,889 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,889 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,889 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 13:38:52,889 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 13:38:52,889 INFO L425 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,889 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 13:38:52,889 INFO L425 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,889 INFO L425 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,889 INFO L425 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,889 INFO L425 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,889 INFO L425 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,889 INFO L425 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,889 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,889 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,889 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,889 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,889 INFO L425 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,889 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,889 INFO L425 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,889 INFO L425 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,889 INFO L425 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,890 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 13:38:52,890 INFO L425 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,890 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 13:38:52,890 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 13:38:52,890 INFO L425 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,890 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,890 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,890 INFO L425 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,890 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,890 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,890 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,890 INFO L425 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,890 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,890 INFO L425 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,890 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 13:38:52,890 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 13:38:52,890 INFO L425 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,890 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 13:38:52,890 INFO L425 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,890 INFO L425 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,890 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,890 INFO L425 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,890 INFO L425 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,890 INFO L425 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,890 INFO L425 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,890 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,891 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,891 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,891 INFO L425 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,891 INFO L425 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,891 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 13:38:52,891 INFO L425 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,891 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 13:38:52,891 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 13:38:52,891 INFO L425 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,891 INFO L425 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,891 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,891 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,891 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,891 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,891 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,891 INFO L425 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,891 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,891 INFO L425 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,891 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,891 INFO L425 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,891 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 13:38:52,891 INFO L425 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,891 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 13:38:52,891 INFO L425 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,891 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 13:38:52,892 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,892 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,892 INFO L425 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,892 INFO L425 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,892 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,892 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,892 INFO L425 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,892 INFO L425 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,892 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,892 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,892 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,892 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,892 INFO L425 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,892 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 205) no Hoare annotation was computed. [2018-11-18 13:38:52,892 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 13:38:52,892 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 13:38:52,892 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 13:38:52,892 INFO L425 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,892 INFO L425 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,892 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,892 INFO L425 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,892 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,892 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,893 INFO L425 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,893 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,893 INFO L425 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,893 INFO L425 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,893 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,893 INFO L425 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,893 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 13:38:52,893 INFO L425 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,893 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 13:38:52,893 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 13:38:52,893 INFO L425 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,893 INFO L425 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,893 INFO L425 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,893 INFO L425 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,893 INFO L425 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,893 INFO L425 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,893 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse5 (not (= 3 |old(~a15~0)|))) (.cse20 (not (= 5 |old(~a12~0)|))) (.cse23 (not (= (+ |old(~a18~0)| 87) 0))) (.cse21 (not (= 11 |old(~a16~0)|)))) (let ((.cse1 (= 9 |old(~a16~0)|)) (.cse16 (= |old(~a16~0)| ~a16~0)) (.cse17 (<= ~a18~0 |old(~a18~0)|)) (.cse18 (= |old(~a15~0)| ~a15~0)) (.cse19 (= |old(~a12~0)| ~a12~0)) (.cse22 (or .cse5 .cse20 .cse23 .cse21))) (let ((.cse0 (< 6 |old(~a12~0)|)) (.cse11 (not (= 8 |old(~a12~0)|))) (.cse12 (and (or (not (= 8 |old(~a16~0)|)) .cse5 .cse20) .cse22)) (.cse6 (or (<= (+ ~a18~0 156) 0) (< 0 (+ ~a18~0 79)))) (.cse9 (and (<= (+ |old(~a18~0)| 79) 0) (< 0 (+ |old(~a18~0)| 156)))) (.cse4 (and .cse16 .cse17 .cse18 .cse19)) (.cse10 (= 4 |old(~a15~0)|)) (.cse8 (= 10 |old(~a16~0)|)) (.cse14 (and .cse17 .cse18 (= ~a16~0 |old(~a16~0)|) .cse19)) (.cse7 (not (= 7 |old(~a12~0)|))) (.cse2 (< (+ |old(~a18~0)| 44) 0)) (.cse3 (<= 0 (+ ~a18~0 44))) (.cse15 (not .cse1)) (.cse13 (= |calculate_output_#in~input| 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse10 .cse2 .cse11 .cse3) (or .cse4 .cse8 (< |old(~a15~0)| 4)) (or (< 134 ~a18~0) .cse12 (<= |old(~a18~0)| 134) .cse13) (or .cse10 .cse4 .cse11) (or .cse5 .cse7 .cse14 .cse9 .cse15) (or .cse3 .cse2 (< 8 |old(~a16~0)|)) (or .cse12 .cse6 .cse9 .cse13) (or .cse1 .cse4 .cse8) (or (< |old(~a12~0)| 7) .cse10 .cse2 .cse8 (and .cse3 .cse16 .cse17 .cse18 .cse19)) (or .cse14 .cse5 .cse20 .cse13) (or .cse7 .cse2 .cse3 .cse15) (or (= (+ ~a18~0 87) 0) .cse13 (and (or .cse5 (not (= 6 |old(~a12~0)|)) .cse21) .cse22) .cse23))))) [2018-11-18 13:38:52,893 INFO L425 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,893 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,893 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,893 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,894 INFO L425 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,894 INFO L425 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,894 INFO L425 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,894 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,894 INFO L425 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,894 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 13:38:52,894 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 13:38:52,894 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 13:38:52,894 INFO L425 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,894 INFO L425 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,894 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,894 INFO L425 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,894 INFO L425 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,894 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,894 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,894 INFO L425 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,894 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,894 INFO L425 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,894 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,894 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 13:38:52,894 INFO L425 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,894 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 13:38:52,894 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 13:38:52,894 INFO L425 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,894 INFO L425 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,894 INFO L425 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,895 INFO L425 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,895 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,895 INFO L425 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,895 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,895 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,895 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,895 INFO L425 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,895 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,895 INFO L425 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,895 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 13:38:52,895 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 13:38:52,895 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 13:38:52,895 INFO L425 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,895 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,895 INFO L425 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,895 INFO L425 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,895 INFO L425 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,895 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,895 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,895 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,895 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,895 INFO L425 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,895 INFO L425 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,895 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,895 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 13:38:52,895 INFO L425 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,896 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 13:38:52,896 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 13:38:52,896 INFO L425 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,896 INFO L425 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,896 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,896 INFO L425 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,896 INFO L425 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,896 INFO L425 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,896 INFO L425 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,896 INFO L425 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,896 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,896 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,896 INFO L425 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,896 INFO L425 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,896 INFO L425 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-18 13:38:52,896 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 13:38:52,897 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 13:38:52,897 INFO L425 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,897 INFO L425 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,897 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,897 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,897 INFO L425 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,897 INFO L425 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,897 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,897 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,897 INFO L425 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,897 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,897 INFO L425 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,897 INFO L425 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,897 INFO L425 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,897 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 13:38:52,898 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 13:38:52,898 INFO L425 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,898 INFO L425 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,898 INFO L425 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,898 INFO L425 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,898 INFO L425 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,898 INFO L425 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,898 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,898 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,898 INFO L425 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,898 INFO L425 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,898 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 13:38:52,898 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 13:38:52,898 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,899 INFO L425 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,899 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,899 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,899 INFO L425 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,899 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,899 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,899 INFO L425 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,899 INFO L425 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,899 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,899 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,899 INFO L425 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,899 INFO L425 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,899 INFO L425 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,899 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 13:38:52,899 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 13:38:52,900 INFO L425 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,900 INFO L425 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,900 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,900 INFO L425 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,900 INFO L425 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,900 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,900 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,900 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,900 INFO L425 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,900 INFO L425 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,900 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 13:38:52,900 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 13:38:52,900 INFO L425 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,900 INFO L425 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,900 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,901 INFO L425 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,901 INFO L425 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,901 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,901 INFO L425 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,901 INFO L425 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,901 INFO L425 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,901 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,901 INFO L425 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,901 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,901 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,901 INFO L425 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,901 INFO L425 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,901 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 13:38:52,901 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 13:38:52,901 INFO L425 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,902 INFO L425 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,902 INFO L425 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,902 INFO L425 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,902 INFO L425 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,902 INFO L425 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,902 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,902 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,902 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-18 13:38:52,902 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,902 INFO L425 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,902 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,902 INFO L425 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,902 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 13:38:52,902 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 13:38:52,902 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 13:38:52,903 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,903 INFO L425 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,903 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,903 INFO L425 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,903 INFO L425 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,903 INFO L425 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,903 INFO L425 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,903 INFO L425 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,903 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,903 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,903 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,903 INFO L425 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,903 INFO L425 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,903 INFO L425 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,904 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 13:38:52,904 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 13:38:52,904 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 13:38:52,904 INFO L425 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,904 INFO L425 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,904 INFO L425 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,904 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,904 INFO L425 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,904 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,904 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,904 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,904 INFO L425 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,904 INFO L425 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,904 INFO L425 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,904 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,904 INFO L425 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,904 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,904 INFO L425 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,905 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 13:38:52,905 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 13:38:52,905 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 13:38:52,905 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,905 INFO L425 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,905 INFO L425 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,905 INFO L425 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,905 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,905 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,905 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,905 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,905 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:38:52,905 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 13:38:52,905 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 13:38:52,905 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 13:38:52,905 INFO L425 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,905 INFO L425 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,905 INFO L425 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-18 13:38:52,905 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:38:52,905 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 13:38:52,905 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:38:52,905 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:38:52,905 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)) (and (= (+ ~a18~0 87) 0) (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= |old(~a12~0)| ~a12~0)) (not (= 11 |old(~a16~0)|))) [2018-11-18 13:38:52,906 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 13:38:52,906 INFO L421 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse1 (= ~a15~0 3)) (.cse2 (not (= ~a16~0 9))) (.cse0 (not (= ~a16~0 10)))) (or (and .cse0 .cse1 (= 7 ~a12~0) (or (<= (+ ~a18~0 156) 0) (< 0 (+ ~a18~0 79)))) (and (not (= main_~input~0 0)) .cse1 (= ~a12~0 5)) (not (= 11 |old(~a16~0)|)) (and (= 8 ~a12~0) (not (= ~a15~0 4))) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse2 (<= ~a12~0 6)) (and .cse0 .cse2) (not (= 5 |old(~a12~0)|)) (and (<= 7 ~a12~0) .cse0 (<= 0 (+ ~a18~0 44))) (and .cse0 (<= 4 ~a15~0)))) [2018-11-18 13:38:52,906 INFO L425 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-18 13:38:52,906 INFO L425 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-18 13:38:52,906 INFO L425 ceAbstractionStarter]: For program point L1773-1(lines 1773 1782) no Hoare annotation was computed. [2018-11-18 13:38:52,906 INFO L421 ceAbstractionStarter]: At program point L1773-3(lines 1773 1782) the Hoare annotation is: (let ((.cse1 (= ~a15~0 3)) (.cse0 (not (= ~a16~0 10))) (.cse2 (not (= ~a16~0 9)))) (or (and .cse0 .cse1 (= 7 ~a12~0) (or (<= (+ ~a18~0 156) 0) (< 0 (+ ~a18~0 79)))) (not (= 11 |old(~a16~0)|)) (and (= 8 ~a12~0) (not (= ~a15~0 4))) (and .cse1 (= 5 ~a12~0)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse0 .cse2) (not (= 5 |old(~a12~0)|)) (and (<= 7 ~a12~0) .cse0 (<= 0 (+ ~a18~0 44))) (and .cse0 (<= 4 ~a15~0)) (and (<= ~a12~0 6) .cse2))) [2018-11-18 13:38:52,906 INFO L425 ceAbstractionStarter]: For program point L1773-4(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 13:38:52,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:38:52 BoogieIcfgContainer [2018-11-18 13:38:52,915 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:38:52,915 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:38:52,915 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:38:52,916 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:38:52,916 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:32:58" (3/4) ... [2018-11-18 13:38:52,918 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:38:52,921 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:38:52,921 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-18 13:38:52,921 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 13:38:52,922 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:38:52,941 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 13:38:52,942 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 13:38:52,967 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(a16 == 10) && a15 == 3) && 7 == a12) && (a18 + 156 <= 0 || 0 < a18 + 79)) || !(11 == \old(a16))) || (8 == a12 && !(a15 == 4))) || (a15 == 3 && 5 == a12)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || (!(a16 == 10) && !(a16 == 9))) || !(5 == \old(a12))) || ((7 <= a12 && !(a16 == 10)) && 0 <= a18 + 44)) || (!(a16 == 10) && 4 <= a15)) || (a12 <= 6 && !(a16 == 9)) [2018-11-18 13:38:53,098 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6497ea6d-a2a5-48fb-a1da-b50b6e1081f6/bin-2019/utaipan/witness.graphml [2018-11-18 13:38:53,098 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:38:53,099 INFO L168 Benchmark]: Toolchain (without parser) took 357065.52 ms. Allocated memory was 1.0 GB in the beginning and 5.4 GB in the end (delta: 4.4 GB). Free memory was 948.4 MB in the beginning and 3.1 GB in the end (delta: -2.2 GB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. [2018-11-18 13:38:53,100 INFO L168 Benchmark]: CDTParser took 0.15 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 13:38:53,100 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.7 MB). Free memory was 948.4 MB in the beginning and 1.2 GB in the end (delta: -229.8 MB). Peak memory consumption was 109.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:38:53,100 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:38:53,100 INFO L168 Benchmark]: Boogie Preprocessor took 76.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:38:53,101 INFO L168 Benchmark]: RCFGBuilder took 1443.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 908.6 MB in the end (delta: 248.9 MB). Peak memory consumption was 248.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:38:53,101 INFO L168 Benchmark]: TraceAbstraction took 354572.76 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 908.6 MB in the beginning and 3.2 GB in the end (delta: -2.3 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. [2018-11-18 13:38:53,101 INFO L168 Benchmark]: Witness Printer took 183.22 ms. Allocated memory is still 5.4 GB. Free memory was 3.2 GB in the beginning and 3.1 GB in the end (delta: 79.1 MB). Peak memory consumption was 79.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:38:53,103 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 753.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.7 MB). Free memory was 948.4 MB in the beginning and 1.2 GB in the end (delta: -229.8 MB). Peak memory consumption was 109.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 76.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1443.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 908.6 MB in the end (delta: 248.9 MB). Peak memory consumption was 248.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 354572.76 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 908.6 MB in the beginning and 3.2 GB in the end (delta: -2.3 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. * Witness Printer took 183.22 ms. Allocated memory is still 5.4 GB. Free memory was 3.2 GB in the beginning and 3.1 GB in the end (delta: 79.1 MB). Peak memory consumption was 79.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 205]: 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: ((((((((((((!(a16 == 10) && a15 == 3) && 7 == a12) && (a18 + 156 <= 0 || 0 < a18 + 79)) || !(11 == \old(a16))) || (8 == a12 && !(a15 == 4))) || (a15 == 3 && 5 == a12)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || (!(a16 == 10) && !(a16 == 9))) || !(5 == \old(a12))) || ((7 <= a12 && !(a16 == 10)) && 0 <= a18 + 44)) || (!(a16 == 10) && 4 <= a15)) || (a12 <= 6 && !(a16 == 9)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. SAFE Result, 354.5s OverallTime, 16 OverallIterations, 10 TraceHistogramMax, 315.5s AutomataDifference, 0.0s DeadEndRemovalTime, 8.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 3493 SDtfs, 40099 SDslu, 4459 SDs, 0 SdLazy, 74885 SolverSat, 10133 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 288.8s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 23049 GetRequests, 22693 SyntacticMatches, 29 SemanticMatches, 327 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3818 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16348occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.3s AbstIntTime, 13 AbstIntIterations, 4 AbstIntStrong, 0.9978689814911508 AbsIntWeakeningRatio, 0.06819392647842301 AbsIntAvgWeakeningVarsNumRemoved, 16.08577517314864 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 16 MinimizatonAttempts, 3678 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1192 PreInvPairs, 2782 NumberOfFragments, 2372 HoareAnnotationTreeSize, 1192 FomulaSimplifications, 63606 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 9 FomulaSimplificationsInter, 75698 FormulaSimplificationTreeSizeReductionInter, 6.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 12.6s InterpolantComputationTime, 23041 NumberOfCodeBlocks, 23041 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 33368 ConstructedInterpolants, 0 QuantifiedInterpolants, 81336125 SizeOfPredicates, 9 NumberOfNonLiveVariables, 13549 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 34 InterpolantComputations, 9 PerfectInterpolantSequences, 74506/79013 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...