./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label09_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_1717edb6-c4e9-4d49-910c-a78b084872a6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1717edb6-c4e9-4d49-910c-a78b084872a6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1717edb6-c4e9-4d49-910c-a78b084872a6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1717edb6-c4e9-4d49-910c-a78b084872a6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label09_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1717edb6-c4e9-4d49-910c-a78b084872a6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1717edb6-c4e9-4d49-910c-a78b084872a6/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 5a32e026edf0616eb4045a18a8b0546054fb92f7 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:04:19,739 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:04:19,740 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:04:19,749 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:04:19,749 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:04:19,750 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:04:19,751 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:04:19,752 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:04:19,753 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:04:19,754 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:04:19,755 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:04:19,755 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:04:19,755 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:04:19,756 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:04:19,757 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:04:19,757 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:04:19,758 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:04:19,759 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:04:19,760 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:04:19,761 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:04:19,762 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:04:19,763 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:04:19,765 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:04:19,765 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:04:19,765 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:04:19,766 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:04:19,766 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:04:19,767 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:04:19,768 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:04:19,768 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:04:19,768 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:04:19,769 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:04:19,769 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:04:19,769 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:04:19,770 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:04:19,770 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:04:19,770 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1717edb6-c4e9-4d49-910c-a78b084872a6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 18:04:19,780 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:04:19,780 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:04:19,781 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:04:19,781 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 18:04:19,781 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 18:04:19,781 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 18:04:19,781 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 18:04:19,781 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 18:04:19,782 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 18:04:19,782 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 18:04:19,782 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 18:04:19,782 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 18:04:19,782 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 18:04:19,783 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:04:19,783 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:04:19,783 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 18:04:19,783 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:04:19,783 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:04:19,783 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:04:19,783 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:04:19,783 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:04:19,784 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:04:19,784 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:04:19,784 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:04:19,784 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:04:19,784 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:04:19,784 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 18:04:19,784 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:04:19,785 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 18:04:19,785 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 18:04:19,785 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:04:19,785 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:04:19,785 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:04:19,785 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 18:04:19,785 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:04:19,785 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 18:04:19,786 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 18:04:19,786 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_1717edb6-c4e9-4d49-910c-a78b084872a6/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 -> 5a32e026edf0616eb4045a18a8b0546054fb92f7 [2018-11-18 18:04:19,808 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:04:19,818 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:04:19,820 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:04:19,822 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:04:19,822 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:04:19,822 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1717edb6-c4e9-4d49-910c-a78b084872a6/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label09_true-unreach-call.c [2018-11-18 18:04:19,867 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1717edb6-c4e9-4d49-910c-a78b084872a6/bin-2019/utaipan/data/dbb55847d/0171ffe4c9a24aa58d9a46bc39365c74/FLAG837d60179 [2018-11-18 18:04:20,297 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:04:20,297 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1717edb6-c4e9-4d49-910c-a78b084872a6/sv-benchmarks/c/eca-rers2012/Problem16_label09_true-unreach-call.c [2018-11-18 18:04:20,310 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1717edb6-c4e9-4d49-910c-a78b084872a6/bin-2019/utaipan/data/dbb55847d/0171ffe4c9a24aa58d9a46bc39365c74/FLAG837d60179 [2018-11-18 18:04:20,633 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1717edb6-c4e9-4d49-910c-a78b084872a6/bin-2019/utaipan/data/dbb55847d/0171ffe4c9a24aa58d9a46bc39365c74 [2018-11-18 18:04:20,635 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:04:20,636 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:04:20,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:04:20,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:04:20,639 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:04:20,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:04:20" (1/1) ... [2018-11-18 18:04:20,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@252e0cb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:20, skipping insertion in model container [2018-11-18 18:04:20,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:04:20" (1/1) ... [2018-11-18 18:04:20,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:04:20,697 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:04:21,111 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:04:21,115 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:04:21,298 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:04:21,312 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:04:21,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:21 WrapperNode [2018-11-18 18:04:21,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:04:21,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:04:21,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:04:21,313 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:04:21,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:21" (1/1) ... [2018-11-18 18:04:21,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:21" (1/1) ... [2018-11-18 18:04:21,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:04:21,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:04:21,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:04:21,413 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:04:21,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:21" (1/1) ... [2018-11-18 18:04:21,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:21" (1/1) ... [2018-11-18 18:04:21,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:21" (1/1) ... [2018-11-18 18:04:21,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:21" (1/1) ... [2018-11-18 18:04:21,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:21" (1/1) ... [2018-11-18 18:04:21,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:21" (1/1) ... [2018-11-18 18:04:21,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:21" (1/1) ... [2018-11-18 18:04:21,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:04:21,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:04:21,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:04:21,483 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:04:21,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1717edb6-c4e9-4d49-910c-a78b084872a6/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 18:04:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 18:04:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 18:04:21,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 18:04:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-18 18:04:21,533 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-18 18:04:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 18:04:21,533 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 18:04:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:04:21,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:04:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 18:04:21,533 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 18:04:23,057 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:04:23,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:04:23 BoogieIcfgContainer [2018-11-18 18:04:23,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:04:23,058 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 18:04:23,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 18:04:23,061 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 18:04:23,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:04:20" (1/3) ... [2018-11-18 18:04:23,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ac9716d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:04:23, skipping insertion in model container [2018-11-18 18:04:23,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:21" (2/3) ... [2018-11-18 18:04:23,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ac9716d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:04:23, skipping insertion in model container [2018-11-18 18:04:23,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:04:23" (3/3) ... [2018-11-18 18:04:23,063 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label09_true-unreach-call.c [2018-11-18 18:04:23,070 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 18:04:23,075 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 18:04:23,085 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 18:04:23,109 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 18:04:23,110 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 18:04:23,110 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 18:04:23,110 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 18:04:23,110 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 18:04:23,111 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 18:04:23,111 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 18:04:23,111 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 18:04:23,132 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-11-18 18:04:23,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 18:04:23,138 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:04:23,139 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] [2018-11-18 18:04:23,142 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:04:23,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:04:23,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1905211356, now seen corresponding path program 1 times [2018-11-18 18:04:23,148 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:04:23,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:04:23,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:04:23,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:04:23,178 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:04:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:04:23,355 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 18:04:23,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:04:23,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 18:04:23,357 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 18:04:23,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 18:04:23,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 18:04:23,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 18:04:23,370 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-11-18 18:04:24,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:04:24,581 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-11-18 18:04:24,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 18:04:24,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-11-18 18:04:24,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:04:24,598 INFO L225 Difference]: With dead ends: 1156 [2018-11-18 18:04:24,598 INFO L226 Difference]: Without dead ends: 744 [2018-11-18 18:04:24,604 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 18:04:24,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-11-18 18:04:24,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-11-18 18:04:24,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-11-18 18:04:24,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1355 transitions. [2018-11-18 18:04:24,665 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1355 transitions. Word has length 54 [2018-11-18 18:04:24,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:04:24,665 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 1355 transitions. [2018-11-18 18:04:24,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 18:04:24,665 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1355 transitions. [2018-11-18 18:04:24,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 18:04:24,670 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:04:24,670 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:04:24,671 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:04:24,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:04:24,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1783759150, now seen corresponding path program 1 times [2018-11-18 18:04:24,671 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:04:24,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:04:24,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:04:24,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:04:24,672 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:04:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:04:24,813 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:04:24,813 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:04:24,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 18:04:24,813 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 18:04:24,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 18:04:24,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 18:04:24,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 18:04:24,815 INFO L87 Difference]: Start difference. First operand 744 states and 1355 transitions. Second operand 5 states. [2018-11-18 18:04:26,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:04:26,222 INFO L93 Difference]: Finished difference Result 2189 states and 4061 transitions. [2018-11-18 18:04:26,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 18:04:26,223 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2018-11-18 18:04:26,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:04:26,231 INFO L225 Difference]: With dead ends: 2189 [2018-11-18 18:04:26,231 INFO L226 Difference]: Without dead ends: 1451 [2018-11-18 18:04:26,234 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 18:04:26,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2018-11-18 18:04:26,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 1441. [2018-11-18 18:04:26,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1441 states. [2018-11-18 18:04:26,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 2402 transitions. [2018-11-18 18:04:26,282 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 2402 transitions. Word has length 126 [2018-11-18 18:04:26,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:04:26,282 INFO L480 AbstractCegarLoop]: Abstraction has 1441 states and 2402 transitions. [2018-11-18 18:04:26,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 18:04:26,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2402 transitions. [2018-11-18 18:04:26,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 18:04:26,286 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:04:26,286 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:04:26,286 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:04:26,286 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:04:26,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1039509551, now seen corresponding path program 1 times [2018-11-18 18:04:26,287 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:04:26,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:04:26,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:04:26,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:04:26,288 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:04:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:04:26,408 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 18:04:26,408 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:04:26,408 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:04:26,409 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-11-18 18:04:26,411 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], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 18:04:26,441 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:04:26,441 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:04:26,725 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 18:04:26,726 INFO L272 AbstractInterpreter]: Visited 105 different actions 105 times. Never merged. Never widened. Performed 926 root evaluator evaluations with a maximum evaluation depth of 9. Performed 926 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Never found a fixpoint. Largest state had 24 variables. [2018-11-18 18:04:26,747 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:04:26,748 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 18:04:26,953 INFO L227 lantSequenceWeakener]: Weakened 149 states. On average, predicates are now at 78.36% of their original sizes. [2018-11-18 18:04:26,953 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 18:04:26,996 INFO L415 sIntCurrentIteration]: We unified 154 AI predicates to 154 [2018-11-18 18:04:26,996 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 18:04:26,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 18:04:26,997 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2018-11-18 18:04:26,997 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 18:04:26,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 18:04:26,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 18:04:26,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 18:04:26,998 INFO L87 Difference]: Start difference. First operand 1441 states and 2402 transitions. Second operand 6 states. [2018-11-18 18:05:28,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:05:28,789 INFO L93 Difference]: Finished difference Result 3216 states and 5295 transitions. [2018-11-18 18:05:28,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 18:05:28,789 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 155 [2018-11-18 18:05:28,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:05:28,797 INFO L225 Difference]: With dead ends: 3216 [2018-11-18 18:05:28,797 INFO L226 Difference]: Without dead ends: 1781 [2018-11-18 18:05:28,801 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 155 GetRequests, 150 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 18:05:28,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1781 states. [2018-11-18 18:05:28,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1781 to 1779. [2018-11-18 18:05:28,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1779 states. [2018-11-18 18:05:28,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1779 states and 2747 transitions. [2018-11-18 18:05:28,840 INFO L78 Accepts]: Start accepts. Automaton has 1779 states and 2747 transitions. Word has length 155 [2018-11-18 18:05:28,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:05:28,840 INFO L480 AbstractCegarLoop]: Abstraction has 1779 states and 2747 transitions. [2018-11-18 18:05:28,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 18:05:28,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2747 transitions. [2018-11-18 18:05:28,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-11-18 18:05:28,844 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:05:28,845 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 18:05:28,845 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:05:28,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:05:28,845 INFO L82 PathProgramCache]: Analyzing trace with hash 171691597, now seen corresponding path program 1 times [2018-11-18 18:05:28,845 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:05:28,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:05:28,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:05:28,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:05:28,846 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:05:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:05:29,083 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 161 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:05:29,083 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:05:29,083 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:05:29,083 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 248 with the following transitions: [2018-11-18 18:05:29,084 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], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 18:05:29,087 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:05:29,087 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:05:29,292 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 18:05:29,293 INFO L272 AbstractInterpreter]: Visited 110 different actions 426 times. Merged at 7 different actions 22 times. Never widened. Performed 4038 root evaluator evaluations with a maximum evaluation depth of 9. Performed 4038 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 18:05:29,299 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:05:29,300 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 18:05:29,300 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:05:29,300 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1717edb6-c4e9-4d49-910c-a78b084872a6/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 18:05:29,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:05:29,317 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 18:05:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:05:29,388 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:05:29,487 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 184 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:05:29,487 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 18:05:29,602 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 184 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:05:29,619 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 18:05:29,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2018-11-18 18:05:29,620 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 18:05:29,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 18:05:29,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 18:05:29,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 18:05:29,621 INFO L87 Difference]: Start difference. First operand 1779 states and 2747 transitions. Second operand 10 states. [2018-11-18 18:05:33,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:05:33,299 INFO L93 Difference]: Finished difference Result 5659 states and 9156 transitions. [2018-11-18 18:05:33,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 18:05:33,300 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 247 [2018-11-18 18:05:33,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:05:33,310 INFO L225 Difference]: With dead ends: 5659 [2018-11-18 18:05:33,310 INFO L226 Difference]: Without dead ends: 3498 [2018-11-18 18:05:33,322 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 497 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2018-11-18 18:05:33,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3498 states. [2018-11-18 18:05:33,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3498 to 3487. [2018-11-18 18:05:33,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3487 states. [2018-11-18 18:05:33,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3487 states to 3487 states and 3966 transitions. [2018-11-18 18:05:33,390 INFO L78 Accepts]: Start accepts. Automaton has 3487 states and 3966 transitions. Word has length 247 [2018-11-18 18:05:33,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:05:33,391 INFO L480 AbstractCegarLoop]: Abstraction has 3487 states and 3966 transitions. [2018-11-18 18:05:33,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 18:05:33,392 INFO L276 IsEmpty]: Start isEmpty. Operand 3487 states and 3966 transitions. [2018-11-18 18:05:33,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-11-18 18:05:33,398 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:05:33,399 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:05:33,399 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:05:33,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:05:33,399 INFO L82 PathProgramCache]: Analyzing trace with hash 1802199188, now seen corresponding path program 1 times [2018-11-18 18:05:33,399 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:05:33,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:05:33,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:05:33,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:05:33,400 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:05:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:05:33,650 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-11-18 18:05:33,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:05:33,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 18:05:33,651 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 18:05:33,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 18:05:33,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 18:05:33,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 18:05:33,652 INFO L87 Difference]: Start difference. First operand 3487 states and 3966 transitions. Second operand 4 states. [2018-11-18 18:05:35,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:05:35,100 INFO L93 Difference]: Finished difference Result 6627 states and 7691 transitions. [2018-11-18 18:05:35,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 18:05:35,100 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 424 [2018-11-18 18:05:35,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:05:35,109 INFO L225 Difference]: With dead ends: 6627 [2018-11-18 18:05:35,110 INFO L226 Difference]: Without dead ends: 4168 [2018-11-18 18:05:35,114 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 18:05:35,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4168 states. [2018-11-18 18:05:35,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4168 to 4163. [2018-11-18 18:05:35,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4163 states. [2018-11-18 18:05:35,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4163 states to 4163 states and 4645 transitions. [2018-11-18 18:05:35,165 INFO L78 Accepts]: Start accepts. Automaton has 4163 states and 4645 transitions. Word has length 424 [2018-11-18 18:05:35,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:05:35,166 INFO L480 AbstractCegarLoop]: Abstraction has 4163 states and 4645 transitions. [2018-11-18 18:05:35,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 18:05:35,166 INFO L276 IsEmpty]: Start isEmpty. Operand 4163 states and 4645 transitions. [2018-11-18 18:05:35,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2018-11-18 18:05:35,173 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:05:35,173 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:05:35,173 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:05:35,173 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:05:35,174 INFO L82 PathProgramCache]: Analyzing trace with hash -964356346, now seen corresponding path program 1 times [2018-11-18 18:05:35,174 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:05:35,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:05:35,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:05:35,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:05:35,175 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:05:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:05:35,450 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 374 proven. 2 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-11-18 18:05:35,450 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:05:35,451 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:05:35,451 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 541 with the following transitions: [2018-11-18 18:05:35,452 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], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [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], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 18:05:35,457 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:05:35,457 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:05:35,909 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 18:05:35,909 INFO L272 AbstractInterpreter]: Visited 250 different actions 990 times. Merged at 8 different actions 25 times. Never widened. Performed 11579 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11579 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 6 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 18:05:35,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:05:35,915 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 18:05:35,915 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:05:35,915 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1717edb6-c4e9-4d49-910c-a78b084872a6/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 18:05:35,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:05:35,921 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 18:05:35,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:05:36,006 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:05:36,243 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 374 proven. 2 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-11-18 18:05:36,243 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 18:05:36,451 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 374 proven. 2 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-11-18 18:05:36,466 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 18:05:36,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 18:05:36,466 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 18:05:36,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 18:05:36,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 18:05:36,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-18 18:05:36,467 INFO L87 Difference]: Start difference. First operand 4163 states and 4645 transitions. Second operand 9 states. [2018-11-18 18:05:38,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:05:38,492 INFO L93 Difference]: Finished difference Result 10536 states and 12247 transitions. [2018-11-18 18:05:38,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 18:05:38,492 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 540 [2018-11-18 18:05:38,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:05:38,508 INFO L225 Difference]: With dead ends: 10536 [2018-11-18 18:05:38,508 INFO L226 Difference]: Without dead ends: 6717 [2018-11-18 18:05:38,516 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1101 GetRequests, 1083 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-18 18:05:38,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6717 states. [2018-11-18 18:05:38,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6717 to 6673. [2018-11-18 18:05:38,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6673 states. [2018-11-18 18:05:38,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6673 states to 6673 states and 7388 transitions. [2018-11-18 18:05:38,605 INFO L78 Accepts]: Start accepts. Automaton has 6673 states and 7388 transitions. Word has length 540 [2018-11-18 18:05:38,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:05:38,606 INFO L480 AbstractCegarLoop]: Abstraction has 6673 states and 7388 transitions. [2018-11-18 18:05:38,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 18:05:38,606 INFO L276 IsEmpty]: Start isEmpty. Operand 6673 states and 7388 transitions. [2018-11-18 18:05:38,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 731 [2018-11-18 18:05:38,612 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:05:38,612 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:05:38,612 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:05:38,612 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:05:38,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1593308412, now seen corresponding path program 1 times [2018-11-18 18:05:38,613 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:05:38,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:05:38,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:05:38,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:05:38,614 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:05:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:05:39,811 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 216 proven. 574 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 18:05:39,811 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:05:39,811 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:05:39,811 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 731 with the following transitions: [2018-11-18 18:05:39,812 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], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [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], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 18:05:39,815 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:05:39,815 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:05:39,984 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 18:05:39,984 INFO L272 AbstractInterpreter]: Visited 260 different actions 514 times. Merged at 5 different actions 5 times. Never widened. Performed 5489 root evaluator evaluations with a maximum evaluation depth of 10. Performed 5489 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 18:05:39,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:05:39,991 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 18:05:40,435 INFO L227 lantSequenceWeakener]: Weakened 727 states. On average, predicates are now at 77.56% of their original sizes. [2018-11-18 18:05:40,435 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 18:05:40,493 INFO L415 sIntCurrentIteration]: We unified 729 AI predicates to 729 [2018-11-18 18:05:40,493 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 18:05:40,493 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 18:05:40,494 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-11-18 18:05:40,494 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 18:05:40,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 18:05:40,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 18:05:40,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 18:05:40,495 INFO L87 Difference]: Start difference. First operand 6673 states and 7388 transitions. Second operand 10 states. [2018-11-18 18:05:54,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:05:54,850 INFO L93 Difference]: Finished difference Result 13345 states and 14794 transitions. [2018-11-18 18:05:54,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 18:05:54,850 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 730 [2018-11-18 18:05:54,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:05:54,864 INFO L225 Difference]: With dead ends: 13345 [2018-11-18 18:05:54,864 INFO L226 Difference]: Without dead ends: 7016 [2018-11-18 18:05:54,874 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 737 GetRequests, 721 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 18:05:54,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7016 states. [2018-11-18 18:05:54,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7016 to 7013. [2018-11-18 18:05:54,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7013 states. [2018-11-18 18:05:54,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7013 states to 7013 states and 7735 transitions. [2018-11-18 18:05:54,951 INFO L78 Accepts]: Start accepts. Automaton has 7013 states and 7735 transitions. Word has length 730 [2018-11-18 18:05:54,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:05:54,952 INFO L480 AbstractCegarLoop]: Abstraction has 7013 states and 7735 transitions. [2018-11-18 18:05:54,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 18:05:54,952 INFO L276 IsEmpty]: Start isEmpty. Operand 7013 states and 7735 transitions. [2018-11-18 18:05:54,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 739 [2018-11-18 18:05:54,957 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:05:54,957 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:05:54,958 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:05:54,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:05:54,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1806189940, now seen corresponding path program 1 times [2018-11-18 18:05:54,958 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:05:54,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:05:54,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:05:54,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:05:54,959 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:05:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:05:55,283 INFO L134 CoverageAnalysis]: Checked inductivity of 878 backedges. 494 proven. 2 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2018-11-18 18:05:55,283 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:05:55,283 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:05:55,283 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 739 with the following transitions: [2018-11-18 18:05:55,284 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], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [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], [1385], [1389], [1392], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 18:05:55,287 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:05:55,287 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:05:55,578 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 18:05:55,578 INFO L272 AbstractInterpreter]: Visited 260 different actions 767 times. Merged at 5 different actions 9 times. Never widened. Performed 8936 root evaluator evaluations with a maximum evaluation depth of 9. Performed 8936 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 18:05:55,579 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:05:55,579 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 18:05:55,947 INFO L227 lantSequenceWeakener]: Weakened 735 states. On average, predicates are now at 80.25% of their original sizes. [2018-11-18 18:05:55,947 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 18:05:55,987 INFO L415 sIntCurrentIteration]: We unified 737 AI predicates to 737 [2018-11-18 18:05:55,987 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 18:05:55,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 18:05:55,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-18 18:05:55,987 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 18:05:55,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 18:05:55,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 18:05:55,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 18:05:55,988 INFO L87 Difference]: Start difference. First operand 7013 states and 7735 transitions. Second operand 9 states. [2018-11-18 18:07:08,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:07:08,915 INFO L93 Difference]: Finished difference Result 13938 states and 15412 transitions. [2018-11-18 18:07:08,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 18:07:08,916 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 738 [2018-11-18 18:07:08,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:07:08,936 INFO L225 Difference]: With dead ends: 13938 [2018-11-18 18:07:08,936 INFO L226 Difference]: Without dead ends: 7609 [2018-11-18 18:07:08,948 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 744 GetRequests, 730 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-18 18:07:08,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7609 states. [2018-11-18 18:07:09,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7609 to 7602. [2018-11-18 18:07:09,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7602 states. [2018-11-18 18:07:09,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7602 states to 7602 states and 8338 transitions. [2018-11-18 18:07:09,061 INFO L78 Accepts]: Start accepts. Automaton has 7602 states and 8338 transitions. Word has length 738 [2018-11-18 18:07:09,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:07:09,062 INFO L480 AbstractCegarLoop]: Abstraction has 7602 states and 8338 transitions. [2018-11-18 18:07:09,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 18:07:09,062 INFO L276 IsEmpty]: Start isEmpty. Operand 7602 states and 8338 transitions. [2018-11-18 18:07:09,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 810 [2018-11-18 18:07:09,072 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:07:09,073 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:07:09,073 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:07:09,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:07:09,073 INFO L82 PathProgramCache]: Analyzing trace with hash -1221760889, now seen corresponding path program 1 times [2018-11-18 18:07:09,073 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:07:09,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:07:09,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:07:09,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:07:09,074 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:07:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:07:09,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1270 backedges. 645 proven. 2 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2018-11-18 18:07:09,643 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:07:09,643 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:07:09,643 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 810 with the following transitions: [2018-11-18 18:07:09,643 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], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [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], [1272], [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 18:07:09,645 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:07:09,645 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:07:10,137 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 18:07:10,137 INFO L272 AbstractInterpreter]: Visited 260 different actions 1299 times. Merged at 10 different actions 46 times. Never widened. Performed 15788 root evaluator evaluations with a maximum evaluation depth of 15. Performed 15788 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 12 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 18:07:10,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:07:10,140 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 18:07:10,140 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:07:10,140 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1717edb6-c4e9-4d49-910c-a78b084872a6/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 18:07:10,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:07:10,146 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 18:07:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:07:10,264 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:07:10,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1270 backedges. 645 proven. 2 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2018-11-18 18:07:10,454 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 18:07:10,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1270 backedges. 645 proven. 2 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2018-11-18 18:07:10,712 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 18:07:10,712 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 18:07:10,712 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 18:07:10,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 18:07:10,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 18:07:10,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 18:07:10,713 INFO L87 Difference]: Start difference. First operand 7602 states and 8338 transitions. Second operand 9 states. [2018-11-18 18:07:12,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:07:12,542 INFO L93 Difference]: Finished difference Result 15825 states and 17466 transitions. [2018-11-18 18:07:12,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 18:07:12,543 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 809 [2018-11-18 18:07:12,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:07:12,563 INFO L225 Difference]: With dead ends: 15825 [2018-11-18 18:07:12,564 INFO L226 Difference]: Without dead ends: 8907 [2018-11-18 18:07:12,578 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1635 GetRequests, 1619 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-18 18:07:12,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8907 states. [2018-11-18 18:07:12,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8907 to 8868. [2018-11-18 18:07:12,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8868 states. [2018-11-18 18:07:12,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8868 states to 8868 states and 9446 transitions. [2018-11-18 18:07:12,690 INFO L78 Accepts]: Start accepts. Automaton has 8868 states and 9446 transitions. Word has length 809 [2018-11-18 18:07:12,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:07:12,691 INFO L480 AbstractCegarLoop]: Abstraction has 8868 states and 9446 transitions. [2018-11-18 18:07:12,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 18:07:12,691 INFO L276 IsEmpty]: Start isEmpty. Operand 8868 states and 9446 transitions. [2018-11-18 18:07:12,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 836 [2018-11-18 18:07:12,702 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:07:12,702 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:07:12,702 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:07:12,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:07:12,703 INFO L82 PathProgramCache]: Analyzing trace with hash -523134541, now seen corresponding path program 1 times [2018-11-18 18:07:12,703 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:07:12,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:07:12,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:07:12,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:07:12,703 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:07:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:07:13,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1351 backedges. 239 proven. 543 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2018-11-18 18:07:13,415 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:07:13,416 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:07:13,416 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 836 with the following transitions: [2018-11-18 18:07:13,416 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], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 18:07:13,419 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:07:13,419 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:07:13,860 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 18:07:13,860 INFO L272 AbstractInterpreter]: Visited 252 different actions 1018 times. Merged at 10 different actions 45 times. Widened at 1 different actions 1 times. Performed 11822 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11822 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 18:07:13,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:07:13,867 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 18:07:13,867 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:07:13,868 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1717edb6-c4e9-4d49-910c-a78b084872a6/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 18:07:13,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:07:13,874 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 18:07:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:07:13,987 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:07:14,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1351 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2018-11-18 18:07:14,217 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 18:07:14,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1351 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2018-11-18 18:07:14,443 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 18:07:14,443 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-18 18:07:14,443 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 18:07:14,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 18:07:14,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 18:07:14,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-18 18:07:14,444 INFO L87 Difference]: Start difference. First operand 8868 states and 9446 transitions. Second operand 3 states. [2018-11-18 18:07:15,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:07:15,009 INFO L93 Difference]: Finished difference Result 15090 states and 16176 transitions. [2018-11-18 18:07:15,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 18:07:15,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 835 [2018-11-18 18:07:15,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:07:15,023 INFO L225 Difference]: With dead ends: 15090 [2018-11-18 18:07:15,023 INFO L226 Difference]: Without dead ends: 8868 [2018-11-18 18:07:15,030 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1680 GetRequests, 1670 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-18 18:07:15,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8868 states. [2018-11-18 18:07:15,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8868 to 8812. [2018-11-18 18:07:15,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8812 states. [2018-11-18 18:07:15,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8812 states to 8812 states and 9247 transitions. [2018-11-18 18:07:15,106 INFO L78 Accepts]: Start accepts. Automaton has 8812 states and 9247 transitions. Word has length 835 [2018-11-18 18:07:15,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:07:15,106 INFO L480 AbstractCegarLoop]: Abstraction has 8812 states and 9247 transitions. [2018-11-18 18:07:15,106 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 18:07:15,107 INFO L276 IsEmpty]: Start isEmpty. Operand 8812 states and 9247 transitions. [2018-11-18 18:07:15,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1399 [2018-11-18 18:07:15,122 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:07:15,123 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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 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, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:07:15,123 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:07:15,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:07:15,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1027989596, now seen corresponding path program 1 times [2018-11-18 18:07:15,123 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:07:15,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:07:15,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:07:15,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:07:15,124 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:07:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:07:16,800 INFO L134 CoverageAnalysis]: Checked inductivity of 3722 backedges. 1888 proven. 260 refuted. 0 times theorem prover too weak. 1574 trivial. 0 not checked. [2018-11-18 18:07:16,800 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:07:16,801 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:07:16,801 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1399 with the following transitions: [2018-11-18 18:07:16,801 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [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], [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], [1269], [1272], [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], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1560], [1566], [1570], [1572], [1577], [1578], [1579], [1580], [1581], [1583], [1584] [2018-11-18 18:07:16,803 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:07:16,803 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:07:17,578 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 18:07:17,578 INFO L272 AbstractInterpreter]: Visited 321 different actions 1599 times. Merged at 12 different actions 53 times. Widened at 1 different actions 1 times. Performed 19961 root evaluator evaluations with a maximum evaluation depth of 19. Performed 19961 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 15 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 18:07:17,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:07:17,580 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 18:07:17,580 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:07:17,580 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1717edb6-c4e9-4d49-910c-a78b084872a6/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 18:07:17,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:07:17,588 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 18:07:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:07:17,761 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:07:18,442 INFO L134 CoverageAnalysis]: Checked inductivity of 3722 backedges. 1430 proven. 2 refuted. 0 times theorem prover too weak. 2290 trivial. 0 not checked. [2018-11-18 18:07:18,442 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 18:07:19,315 INFO L134 CoverageAnalysis]: Checked inductivity of 3722 backedges. 1430 proven. 2 refuted. 0 times theorem prover too weak. 2290 trivial. 0 not checked. [2018-11-18 18:07:19,331 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 18:07:19,331 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 19 [2018-11-18 18:07:19,332 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 18:07:19,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 18:07:19,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 18:07:19,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2018-11-18 18:07:19,333 INFO L87 Difference]: Start difference. First operand 8812 states and 9247 transitions. Second operand 18 states. [2018-11-18 18:07:23,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:07:23,413 INFO L93 Difference]: Finished difference Result 18757 states and 19814 transitions. [2018-11-18 18:07:23,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-11-18 18:07:23,414 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1398 [2018-11-18 18:07:23,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:07:23,432 INFO L225 Difference]: With dead ends: 18757 [2018-11-18 18:07:23,432 INFO L226 Difference]: Without dead ends: 12247 [2018-11-18 18:07:23,443 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2879 GetRequests, 2825 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 658 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=620, Invalid=2136, Unknown=0, NotChecked=0, Total=2756 [2018-11-18 18:07:23,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12247 states. [2018-11-18 18:07:23,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12247 to 11474. [2018-11-18 18:07:23,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11474 states. [2018-11-18 18:07:23,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11474 states to 11474 states and 11971 transitions. [2018-11-18 18:07:23,588 INFO L78 Accepts]: Start accepts. Automaton has 11474 states and 11971 transitions. Word has length 1398 [2018-11-18 18:07:23,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:07:23,589 INFO L480 AbstractCegarLoop]: Abstraction has 11474 states and 11971 transitions. [2018-11-18 18:07:23,589 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 18:07:23,589 INFO L276 IsEmpty]: Start isEmpty. Operand 11474 states and 11971 transitions. [2018-11-18 18:07:23,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1425 [2018-11-18 18:07:23,621 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:07:23,622 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:07:23,622 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:07:23,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:07:23,622 INFO L82 PathProgramCache]: Analyzing trace with hash 222994388, now seen corresponding path program 1 times [2018-11-18 18:07:23,623 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:07:23,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:07:23,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:07:23,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:07:23,626 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:07:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:07:24,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3142 backedges. 1356 proven. 2 refuted. 0 times theorem prover too weak. 1784 trivial. 0 not checked. [2018-11-18 18:07:24,741 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:07:24,741 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:07:24,742 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1425 with the following transitions: [2018-11-18 18:07:24,742 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1560], [1566], [1570], [1572], [1577], [1578], [1579], [1580], [1581], [1583], [1584] [2018-11-18 18:07:24,746 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:07:24,746 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:07:25,726 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 18:07:25,726 INFO L272 AbstractInterpreter]: Visited 319 different actions 1264 times. Merged at 9 different actions 32 times. Never widened. Performed 15376 root evaluator evaluations with a maximum evaluation depth of 22. Performed 15376 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-18 18:07:25,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:07:25,731 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 18:07:25,731 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:07:25,731 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1717edb6-c4e9-4d49-910c-a78b084872a6/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 18:07:25,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:07:25,738 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 18:07:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:07:25,886 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:07:26,516 INFO L134 CoverageAnalysis]: Checked inductivity of 3142 backedges. 1356 proven. 2 refuted. 0 times theorem prover too weak. 1784 trivial. 0 not checked. [2018-11-18 18:07:26,517 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 18:07:27,270 INFO L134 CoverageAnalysis]: Checked inductivity of 3142 backedges. 1356 proven. 2 refuted. 0 times theorem prover too weak. 1784 trivial. 0 not checked. [2018-11-18 18:07:27,287 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 18:07:27,287 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 18:07:27,287 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 18:07:27,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 18:07:27,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 18:07:27,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 18:07:27,288 INFO L87 Difference]: Start difference. First operand 11474 states and 11971 transitions. Second operand 9 states. [2018-11-18 18:07:29,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:07:29,633 INFO L93 Difference]: Finished difference Result 22340 states and 23598 transitions. [2018-11-18 18:07:29,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 18:07:29,634 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1424 [2018-11-18 18:07:29,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:07:29,650 INFO L225 Difference]: With dead ends: 22340 [2018-11-18 18:07:29,650 INFO L226 Difference]: Without dead ends: 11265 [2018-11-18 18:07:29,663 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2877 GetRequests, 2854 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-11-18 18:07:29,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11265 states. [2018-11-18 18:07:29,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11265 to 11089. [2018-11-18 18:07:29,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11089 states. [2018-11-18 18:07:29,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11089 states to 11089 states and 11469 transitions. [2018-11-18 18:07:29,769 INFO L78 Accepts]: Start accepts. Automaton has 11089 states and 11469 transitions. Word has length 1424 [2018-11-18 18:07:29,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:07:29,770 INFO L480 AbstractCegarLoop]: Abstraction has 11089 states and 11469 transitions. [2018-11-18 18:07:29,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 18:07:29,770 INFO L276 IsEmpty]: Start isEmpty. Operand 11089 states and 11469 transitions. [2018-11-18 18:07:29,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1640 [2018-11-18 18:07:29,793 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:07:29,793 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, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:07:29,794 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:07:29,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:07:29,794 INFO L82 PathProgramCache]: Analyzing trace with hash -307536857, now seen corresponding path program 1 times [2018-11-18 18:07:29,794 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:07:29,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:07:29,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:07:29,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:07:29,795 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:07:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:07:32,612 INFO L134 CoverageAnalysis]: Checked inductivity of 5171 backedges. 2400 proven. 703 refuted. 0 times theorem prover too weak. 2068 trivial. 0 not checked. [2018-11-18 18:07:32,613 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:07:32,613 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:07:32,613 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1640 with the following transitions: [2018-11-18 18:07:32,613 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1560], [1566], [1570], [1572], [1577], [1578], [1579], [1580], [1581], [1583], [1584] [2018-11-18 18:07:32,616 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:07:32,616 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:07:33,401 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 18:07:33,401 INFO L272 AbstractInterpreter]: Visited 322 different actions 1288 times. Merged at 13 different actions 44 times. Never widened. Performed 15610 root evaluator evaluations with a maximum evaluation depth of 19. Performed 15610 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 15 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-18 18:07:33,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:07:33,407 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 18:07:33,407 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:07:33,408 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1717edb6-c4e9-4d49-910c-a78b084872a6/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 18:07:33,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:07:33,414 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 18:07:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:07:33,606 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:07:34,629 INFO L134 CoverageAnalysis]: Checked inductivity of 5171 backedges. 3681 proven. 6 refuted. 0 times theorem prover too weak. 1484 trivial. 0 not checked. [2018-11-18 18:07:34,630 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 18:07:36,236 INFO L134 CoverageAnalysis]: Checked inductivity of 5171 backedges. 1634 proven. 607 refuted. 0 times theorem prover too weak. 2930 trivial. 0 not checked. [2018-11-18 18:07:36,252 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 18:07:36,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 25 [2018-11-18 18:07:36,253 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 18:07:36,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-18 18:07:36,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-18 18:07:36,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2018-11-18 18:07:36,254 INFO L87 Difference]: Start difference. First operand 11089 states and 11469 transitions. Second operand 20 states. [2018-11-18 18:07:47,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:07:47,173 INFO L93 Difference]: Finished difference Result 22307 states and 23155 transitions. [2018-11-18 18:07:47,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-11-18 18:07:47,173 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1639 [2018-11-18 18:07:47,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:07:47,191 INFO L225 Difference]: With dead ends: 22307 [2018-11-18 18:07:47,191 INFO L226 Difference]: Without dead ends: 14542 [2018-11-18 18:07:47,201 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3411 GetRequests, 3319 SyntacticMatches, 2 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2443 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1486, Invalid=6886, Unknown=0, NotChecked=0, Total=8372 [2018-11-18 18:07:47,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14542 states. [2018-11-18 18:07:47,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14542 to 13362. [2018-11-18 18:07:47,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13362 states. [2018-11-18 18:07:47,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13362 states to 13362 states and 13772 transitions. [2018-11-18 18:07:47,310 INFO L78 Accepts]: Start accepts. Automaton has 13362 states and 13772 transitions. Word has length 1639 [2018-11-18 18:07:47,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:07:47,311 INFO L480 AbstractCegarLoop]: Abstraction has 13362 states and 13772 transitions. [2018-11-18 18:07:47,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-18 18:07:47,311 INFO L276 IsEmpty]: Start isEmpty. Operand 13362 states and 13772 transitions. [2018-11-18 18:07:47,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1641 [2018-11-18 18:07:47,335 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:07:47,335 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:07:47,336 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:07:47,336 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:07:47,336 INFO L82 PathProgramCache]: Analyzing trace with hash 170127422, now seen corresponding path program 1 times [2018-11-18 18:07:47,336 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:07:47,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:07:47,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:07:47,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:07:47,337 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:07:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:07:49,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4379 backedges. 1126 proven. 544 refuted. 0 times theorem prover too weak. 2709 trivial. 0 not checked. [2018-11-18 18:07:49,454 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:07:49,454 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:07:49,454 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1641 with the following transitions: [2018-11-18 18:07:49,454 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1560], [1566], [1570], [1572], [1577], [1578], [1579], [1580], [1581], [1583], [1584] [2018-11-18 18:07:49,458 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:07:49,458 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:07:50,596 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 18:07:50,596 INFO L272 AbstractInterpreter]: Visited 320 different actions 1271 times. Merged at 10 different actions 35 times. Never widened. Performed 15414 root evaluator evaluations with a maximum evaluation depth of 22. Performed 15414 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 12 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-18 18:07:50,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:07:50,598 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 18:07:50,598 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:07:50,598 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1717edb6-c4e9-4d49-910c-a78b084872a6/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 18:07:50,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:07:50,605 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 18:07:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:07:50,812 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:07:51,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4379 backedges. 3068 proven. 2 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2018-11-18 18:07:51,915 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 18:07:54,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4379 backedges. 1166 proven. 486 refuted. 0 times theorem prover too weak. 2727 trivial. 0 not checked. [2018-11-18 18:07:54,273 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 18:07:54,274 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-18 18:07:54,274 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 18:07:54,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 18:07:54,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 18:07:54,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2018-11-18 18:07:54,275 INFO L87 Difference]: Start difference. First operand 13362 states and 13772 transitions. Second operand 15 states. [2018-11-18 18:08:00,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:08:00,502 INFO L93 Difference]: Finished difference Result 32182 states and 33625 transitions. [2018-11-18 18:08:00,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-11-18 18:08:00,502 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 1640 [2018-11-18 18:08:00,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:08:00,504 INFO L225 Difference]: With dead ends: 32182 [2018-11-18 18:08:00,504 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 18:08:00,537 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3353 GetRequests, 3303 SyntacticMatches, 5 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=394, Invalid=1768, Unknown=0, NotChecked=0, Total=2162 [2018-11-18 18:08:00,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 18:08:00,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 18:08:00,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 18:08:00,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 18:08:00,540 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1640 [2018-11-18 18:08:00,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:08:00,540 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 18:08:00,540 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 18:08:00,540 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 18:08:00,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 18:08:00,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 18:08:00,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:00,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:00,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,240 WARN L180 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 298 [2018-11-18 18:08:01,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:01,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:02,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:02,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:02,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:02,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:02,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:08:02,659 WARN L180 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 307 [2018-11-18 18:08:03,684 WARN L180 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 310 DAG size of output: 63 [2018-11-18 18:08:04,931 WARN L180 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 335 DAG size of output: 115 [2018-11-18 18:08:05,958 WARN L180 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 294 DAG size of output: 113 [2018-11-18 18:08:07,568 WARN L180 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 317 DAG size of output: 136 [2018-11-18 18:08:08,542 WARN L180 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 63 [2018-11-18 18:08:08,551 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 18:08:08,552 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 18:08:08,552 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 18:08:08,552 INFO L425 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,552 INFO L425 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 18:08:08,552 INFO L425 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,552 INFO L425 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,552 INFO L425 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,552 INFO L425 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,552 INFO L425 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,552 INFO L425 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,552 INFO L425 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,552 INFO L425 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,552 INFO L425 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,552 INFO L425 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,552 INFO L425 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,552 INFO L425 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,552 INFO L425 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,552 INFO L425 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,552 INFO L425 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,553 INFO L425 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,553 INFO L425 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,553 INFO L425 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,553 INFO L425 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,553 INFO L425 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,553 INFO L425 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,553 INFO L425 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,553 INFO L425 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,553 INFO L425 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,553 INFO L425 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,553 INFO L425 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,553 INFO L425 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,553 INFO L421 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse26 (+ |old(~a18~0)| 79)) (.cse0 (= 7 |old(~a12~0)|)) (.cse27 (+ ~a18~0 79))) (let ((.cse16 (<= ~a18~0 |old(~a18~0)|)) (.cse3 (= |old(~a15~0)| ~a15~0)) (.cse2 (= ~a16~0 |old(~a16~0)|)) (.cse24 (= |old(~a12~0)| ~a12~0)) (.cse5 (= 4 |old(~a15~0)|)) (.cse17 (= 8 |old(~a16~0)|)) (.cse23 (< 134 ~a18~0)) (.cse22 (<= .cse27 0)) (.cse20 (<= |old(~a18~0)| 134)) (.cse25 (not .cse0)) (.cse21 (< 0 .cse26)) (.cse18 (= 11 |old(~a16~0)|))) (let ((.cse4 (= 6 |old(~a12~0)|)) (.cse7 (not .cse18)) (.cse9 (not (= 9 |old(~a16~0)|))) (.cse15 (and (or .cse20 .cse25) .cse21)) (.cse10 (not (= 3 |old(~a15~0)|))) (.cse13 (not (= 12 |old(~a16~0)|))) (.cse14 (or .cse23 .cse22)) (.cse12 (= 5 |old(~a12~0)|)) (.cse19 (not .cse17)) (.cse8 (not .cse5)) (.cse1 (< 8 |old(~a16~0)|)) (.cse6 (and .cse16 .cse3 .cse2 .cse24))) (and (or .cse0 .cse1 (and .cse2 (not (= ~a12~0 7)) .cse3)) (or .cse4 .cse5 .cse6 .cse7) (or .cse8 .cse6 .cse9) (or (= (+ ~a18~0 87) 0) (let ((.cse11 (not (= (+ |old(~a18~0)| 87) 0)))) (and (or .cse10 .cse11 (not .cse4)) (or .cse10 (not .cse12) .cse11))) .cse7) (or .cse6 .cse5 .cse13) (or .cse14 .cse15 .cse10 .cse7) (or (and (= 8 ~a12~0) (= |old(~a16~0)| ~a16~0) .cse16 .cse3) (or .cse5 (not (= 8 |old(~a12~0)|)) .cse17)) (or .cse6 (or .cse0 .cse17 (< 7 |old(~a12~0)|) .cse18)) (or .cse15 .cse10 .cse7 .cse6) (or .cse19 .cse10 (and .cse20 .cse21) (and .cse16 .cse2 (= 3 ~a15~0) (or .cse22 .cse23) .cse24) .cse25) (or (and .cse3 .cse2 .cse24) .cse9) (or .cse15 .cse10 .cse13 .cse14) (or .cse0 (and .cse12 (<= .cse26 0) (< 0 (+ |old(~a18~0)| 156))) .cse1 (or (<= (+ ~a18~0 156) 0) (not (= 5 ~a12~0)) (not (= 8 ~a16~0)) (not (= ~a15~0 3)) (< 0 .cse27))) (or .cse8 .cse19 .cse6) (or .cse8 .cse0 .cse1 .cse6))))) [2018-11-18 18:08:08,553 INFO L425 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,553 INFO L425 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,553 INFO L425 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,553 INFO L425 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,553 INFO L425 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,553 INFO L425 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,554 INFO L425 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,554 INFO L425 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 18:08:08,554 INFO L425 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,554 INFO L425 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,554 INFO L425 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,554 INFO L425 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,554 INFO L425 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,554 INFO L425 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,554 INFO L425 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,554 INFO L425 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,554 INFO L425 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-18 18:08:08,554 INFO L425 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,554 INFO L425 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,554 INFO L425 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,554 INFO L425 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,554 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,554 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,554 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,554 INFO L425 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,554 INFO L425 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,554 INFO L425 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,554 INFO L425 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,554 INFO L425 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,554 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,554 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 18:08:08,555 INFO L425 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,555 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 18:08:08,555 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 18:08:08,555 INFO L421 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse14 (+ |old(~a18~0)| 79)) (.cse0 (= 7 |old(~a12~0)|)) (.cse36 (+ ~a18~0 79))) (let ((.cse18 (<= ~a18~0 |old(~a18~0)|)) (.cse22 (= |old(~a12~0)| ~a12~0)) (.cse27 (= 8 |old(~a16~0)|)) (.cse11 (= 4 |old(~a15~0)|)) (.cse31 (< 134 ~a18~0)) (.cse30 (<= .cse36 0)) (.cse32 (<= |old(~a18~0)| 134)) (.cse34 (not .cse0)) (.cse33 (< 0 .cse14)) (.cse28 (= 11 |old(~a16~0)|)) (.cse13 (= 5 |old(~a12~0)|)) (.cse35 (+ ~a18~0 156)) (.cse19 (not (= 5 ~a12~0))) (.cse20 (not (= 8 ~a16~0))) (.cse3 (not (= ~a12~0 7))) (.cse4 (= |old(~a15~0)| ~a15~0)) (.cse2 (= ~a16~0 |old(~a16~0)|))) (let ((.cse1 (< 8 |old(~a16~0)|)) (.cse17 (and (= 9 ~a16~0) .cse2)) (.cse15 (and (or (<= .cse35 0) .cse19 .cse20 (not (= ~a15~0 3)) (< 0 .cse36)) (not (= ~a15~0 4)) .cse2 .cse3 (<= ~a16~0 8) .cse4)) (.cse21 (< 0 .cse35)) (.cse5 (not (= calculate_output_~input 0))) (.cse10 (= 6 |old(~a12~0)|)) (.cse7 (not .cse13)) (.cse8 (not .cse28)) (.cse9 (= |calculate_output_#in~input| 0)) (.cse24 (not (= 9 |old(~a16~0)|))) (.cse26 (and (or .cse32 .cse34) .cse33)) (.cse6 (not (= 3 |old(~a15~0)|))) (.cse16 (not (= 12 |old(~a16~0)|))) (.cse25 (or .cse31 .cse30)) (.cse23 (not .cse11)) (.cse29 (not .cse27)) (.cse12 (and .cse18 .cse4 .cse2 .cse22))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4)) (or .cse5 (or .cse6 .cse7 .cse8 .cse9)) (or .cse10 .cse11 .cse12 .cse8) (or .cse0 .cse11 (and .cse13 (<= .cse14 0) (< 0 (+ |old(~a18~0)| 156))) .cse1 .cse15) (or .cse12 .cse11 .cse16) (or .cse11 (not (= 8 |old(~a12~0)|)) .cse17 .cse12 .cse15) (or .cse0 (and .cse18 (or (not (= calculate_output_~input 5)) .cse19 .cse20 .cse21) .cse22) .cse1 .cse15 (< |old(~a15~0)| 4)) (or .cse23 .cse18 .cse24) (or .cse25 .cse26 .cse6 .cse8) (or .cse0 .cse12 .cse27 .cse15 .cse17 (< 7 |old(~a12~0)|) .cse28) (or .cse29 .cse6 (and .cse18 .cse2 (= 3 ~a15~0) (or .cse30 .cse31) .cse22) (and .cse32 .cse33) .cse34 .cse15) (or .cse23 (or (not (= calculate_output_~input 4)) .cse19 .cse21) .cse24) (or .cse26 .cse6 .cse8 .cse12) (or (and .cse5 (= (+ ~a18~0 87) 0)) (or (and (or .cse6 (not .cse10) .cse8) (or .cse6 .cse7 .cse8)) (not (= (+ |old(~a18~0)| 87) 0)) .cse9)) (or (and .cse4 .cse2 .cse22) .cse24) (or .cse26 .cse6 .cse16 .cse25) (or .cse23 .cse29 .cse12))))) [2018-11-18 18:08:08,555 INFO L425 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,555 INFO L425 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-18 18:08:08,555 INFO L425 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,555 INFO L425 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,555 INFO L425 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,555 INFO L425 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,555 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,555 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,555 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,555 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 18:08:08,555 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 18:08:08,555 INFO L425 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,555 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 18:08:08,555 INFO L425 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,556 INFO L425 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,556 INFO L425 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,556 INFO L425 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,556 INFO L425 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,556 INFO L425 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,556 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,556 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,556 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,556 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,556 INFO L425 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,556 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,556 INFO L425 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,556 INFO L425 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,556 INFO L425 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,556 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 18:08:08,556 INFO L425 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,556 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 18:08:08,556 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 18:08:08,556 INFO L425 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,556 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,556 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,556 INFO L425 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,556 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,556 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,556 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,556 INFO L425 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,557 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,557 INFO L425 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,557 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 18:08:08,557 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 18:08:08,557 INFO L425 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,557 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 18:08:08,557 INFO L425 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,557 INFO L425 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,557 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,557 INFO L425 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,557 INFO L425 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,557 INFO L425 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,557 INFO L425 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,557 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,557 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,557 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,557 INFO L425 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,557 INFO L425 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,557 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 18:08:08,557 INFO L425 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,557 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 18:08:08,557 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 18:08:08,557 INFO L425 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,557 INFO L425 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,557 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,558 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,558 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,558 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,558 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,558 INFO L425 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,558 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,558 INFO L425 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,558 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,558 INFO L425 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,558 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 18:08:08,558 INFO L425 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,558 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 18:08:08,558 INFO L425 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,558 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 18:08:08,558 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,558 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,558 INFO L425 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,558 INFO L425 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,558 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,559 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,559 INFO L425 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,559 INFO L425 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,559 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,559 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,559 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,559 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,559 INFO L425 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,559 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 18:08:08,559 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 18:08:08,559 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 18:08:08,559 INFO L425 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,559 INFO L425 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,559 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,559 INFO L425 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,560 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,560 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,560 INFO L425 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,560 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,560 INFO L425 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,560 INFO L425 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,560 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,560 INFO L425 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,560 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 18:08:08,560 INFO L425 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,560 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 18:08:08,560 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 18:08:08,560 INFO L425 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,560 INFO L425 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,561 INFO L425 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,561 INFO L425 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,561 INFO L425 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,561 INFO L425 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,561 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse18 (+ |old(~a18~0)| 79)) (.cse0 (= 7 |old(~a12~0)|)) (.cse19 (+ ~a18~0 79))) (let ((.cse24 (<= ~a18~0 |old(~a18~0)|)) (.cse3 (= |old(~a15~0)| ~a15~0)) (.cse2 (= ~a16~0 |old(~a16~0)|)) (.cse17 (= |old(~a12~0)| ~a12~0)) (.cse5 (= 4 |old(~a15~0)|)) (.cse14 (= 8 |old(~a16~0)|)) (.cse26 (< 134 ~a18~0)) (.cse25 (<= .cse19 0)) (.cse21 (<= |old(~a18~0)| 134)) (.cse23 (not .cse0)) (.cse22 (< 0 .cse18)) (.cse15 (= 11 |old(~a16~0)|))) (let ((.cse4 (= 6 |old(~a12~0)|)) (.cse7 (not .cse15)) (.cse9 (not (= 9 |old(~a16~0)|))) (.cse13 (and (or .cse21 .cse23) .cse22)) (.cse10 (not (= 12 |old(~a16~0)|))) (.cse16 (or .cse26 .cse25)) (.cse12 (= 5 |old(~a12~0)|)) (.cse20 (not .cse14)) (.cse11 (not (= 3 |old(~a15~0)|))) (.cse8 (not .cse5)) (.cse1 (< 8 |old(~a16~0)|)) (.cse6 (and .cse24 .cse3 .cse2 .cse17))) (and (or .cse0 .cse1 (and .cse2 (not (= ~a12~0 7)) .cse3)) (or .cse4 .cse5 .cse6 .cse7) (or .cse8 .cse6 .cse9) (or .cse6 .cse5 .cse10) (or (= (+ ~a18~0 87) 0) (or (and (or .cse11 (not .cse4) .cse7) (or .cse11 (not .cse12) .cse7)) (not (= (+ |old(~a18~0)| 87) 0)) (= |calculate_output_#in~input| 0))) (or .cse13 .cse11 .cse6 .cse7) (or .cse0 .cse6 .cse14 (< 7 |old(~a12~0)|) .cse15) (or .cse16 .cse13 .cse11 .cse7) (or (and .cse3 .cse2 .cse17) .cse9) (or .cse13 .cse11 .cse10 .cse16) (or .cse5 (not (= 8 |old(~a12~0)|)) .cse14 .cse6) (or .cse0 (and .cse12 (<= .cse18 0) (< 0 (+ |old(~a18~0)| 156))) .cse1 (or (<= (+ ~a18~0 156) 0) (not (= 5 ~a12~0)) (not (= 8 ~a16~0)) (not (= ~a15~0 3)) (< 0 .cse19))) (or .cse8 .cse20 .cse6) (or .cse20 .cse11 (and .cse21 .cse22) .cse23 (and .cse24 .cse2 (= 3 ~a15~0) (or .cse25 .cse26) .cse17)) (or .cse8 .cse0 .cse1 .cse6))))) [2018-11-18 18:08:08,561 INFO L425 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,561 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,561 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,561 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,561 INFO L425 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,562 INFO L425 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,562 INFO L425 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,562 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,562 INFO L425 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,562 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 18:08:08,562 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 18:08:08,562 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 18:08:08,562 INFO L425 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,562 INFO L425 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,562 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,562 INFO L425 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,562 INFO L425 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,562 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,562 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,562 INFO L425 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,563 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,563 INFO L425 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,563 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,563 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 18:08:08,563 INFO L425 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,563 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 18:08:08,563 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 18:08:08,563 INFO L425 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,564 INFO L425 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,564 INFO L425 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,564 INFO L425 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,565 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,565 INFO L425 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,565 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,565 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,565 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,565 INFO L425 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,565 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,565 INFO L425 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,565 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 18:08:08,565 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 18:08:08,565 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 18:08:08,565 INFO L425 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,565 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,565 INFO L425 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,565 INFO L425 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,565 INFO L425 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,565 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,565 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,565 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,565 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,565 INFO L425 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,565 INFO L425 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,565 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,565 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 18:08:08,565 INFO L425 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,566 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 18:08:08,566 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 18:08:08,566 INFO L425 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,566 INFO L425 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,566 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,566 INFO L425 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,566 INFO L425 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,566 INFO L425 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,566 INFO L425 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,566 INFO L425 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,566 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,566 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,566 INFO L425 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,566 INFO L425 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,566 INFO L425 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-18 18:08:08,566 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 18:08:08,567 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 18:08:08,567 INFO L425 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,567 INFO L425 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,567 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,567 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,567 INFO L425 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,567 INFO L425 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,567 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,567 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,567 INFO L425 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,567 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,567 INFO L425 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,567 INFO L425 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,567 INFO L425 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,567 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 18:08:08,568 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 18:08:08,568 INFO L425 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,568 INFO L425 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,568 INFO L425 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,568 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2018-11-18 18:08:08,568 INFO L425 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,568 INFO L425 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,568 INFO L425 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,568 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,568 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,568 INFO L425 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,568 INFO L425 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,568 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 18:08:08,568 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 18:08:08,568 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,568 INFO L425 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,568 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,568 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,568 INFO L425 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,568 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,568 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,568 INFO L425 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,568 INFO L425 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,568 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,568 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,569 INFO L425 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,569 INFO L425 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,569 INFO L425 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,569 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 18:08:08,569 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 18:08:08,569 INFO L425 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,569 INFO L425 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,569 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,569 INFO L425 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,569 INFO L425 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,569 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,569 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,569 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,569 INFO L425 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,569 INFO L425 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,569 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 18:08:08,569 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 18:08:08,569 INFO L425 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,569 INFO L425 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,569 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,569 INFO L425 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,569 INFO L425 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,569 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,569 INFO L425 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,569 INFO L425 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,569 INFO L425 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,570 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,570 INFO L425 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,570 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,570 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,570 INFO L425 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,570 INFO L425 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,570 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 18:08:08,570 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 18:08:08,570 INFO L425 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,570 INFO L425 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,570 INFO L425 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,570 INFO L425 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,570 INFO L425 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,570 INFO L425 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,570 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,570 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,570 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-18 18:08:08,570 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,570 INFO L425 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,570 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,570 INFO L425 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,570 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 18:08:08,570 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 18:08:08,570 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 18:08:08,570 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,570 INFO L425 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,571 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,571 INFO L425 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,571 INFO L425 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,571 INFO L425 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,571 INFO L425 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,571 INFO L425 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,571 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,571 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,571 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,571 INFO L425 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,571 INFO L425 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,571 INFO L425 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,571 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 18:08:08,571 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 18:08:08,571 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 18:08:08,571 INFO L425 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,571 INFO L425 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,571 INFO L425 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,571 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,571 INFO L425 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,571 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,571 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,571 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,571 INFO L425 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,571 INFO L425 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,572 INFO L425 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,572 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,572 INFO L425 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,572 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,572 INFO L425 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,572 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 18:08:08,572 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 18:08:08,572 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 18:08:08,572 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,572 INFO L425 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,572 INFO L425 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,572 INFO L425 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,572 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,572 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,572 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,572 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,572 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 18:08:08,572 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 18:08:08,572 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 18:08:08,573 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 18:08:08,573 INFO L425 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,573 INFO L425 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,573 INFO L425 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-18 18:08:08,573 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 18:08:08,573 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= ~a15~0 3) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-11-18 18:08:08,573 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 18:08:08,573 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 18:08:08,573 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 11 |old(~a16~0)|)) (and (= (+ ~a18~0 87) 0) (= |old(~a15~0)| ~a15~0) (= ~a16~0 |old(~a16~0)|) (= |old(~a12~0)| ~a12~0))) [2018-11-18 18:08:08,573 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 18:08:08,573 INFO L421 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse1 (not (= ~a16~0 11))) (.cse0 (not (= ~a12~0 7))) (.cse2 (not (= ~a15~0 4))) (.cse4 (= |old(~a16~0)| ~a16~0)) (.cse5 (= |old(~a15~0)| ~a15~0)) (.cse3 (<= (+ ~a18~0 79) 0))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 (<= ~a16~0 8)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (= 9 ~a16~0) (and (= 8 ~a12~0) .cse1 .cse2) (not (= 5 |old(~a12~0)|)) (and .cse1 .cse0 (<= ~a12~0 7)) (and (= 12 ~a16~0) .cse2) (and (= 8 ~a16~0) (= 4 ~a15~0)) (and (= ~a16~0 8) (= 3 ~a15~0) (or .cse3 (< 134 ~a18~0))) (and (not (= ~a12~0 6)) .cse4 .cse5) (and (and .cse4 .cse5) .cse3))) [2018-11-18 18:08:08,574 INFO L425 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-18 18:08:08,574 INFO L425 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-18 18:08:08,574 INFO L425 ceAbstractionStarter]: For program point L1773-1(lines 1773 1782) no Hoare annotation was computed. [2018-11-18 18:08:08,574 INFO L421 ceAbstractionStarter]: At program point L1773-3(lines 1773 1782) the Hoare annotation is: (let ((.cse1 (not (= ~a16~0 11))) (.cse0 (not (= ~a12~0 7))) (.cse2 (not (= ~a15~0 4))) (.cse4 (= |old(~a16~0)| ~a16~0)) (.cse5 (= |old(~a15~0)| ~a15~0)) (.cse3 (<= (+ ~a18~0 79) 0))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 (<= ~a16~0 8)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (= 9 ~a16~0) (and (= 8 ~a12~0) .cse1 .cse2) (not (= 5 |old(~a12~0)|)) (and .cse1 .cse0 (<= ~a12~0 7)) (and (= 12 ~a16~0) .cse2) (and (= 8 ~a16~0) (= 4 ~a15~0)) (and (= ~a16~0 8) (= 3 ~a15~0) (or .cse3 (< 134 ~a18~0))) (and (not (= ~a12~0 6)) .cse4 .cse5) (and (and .cse4 .cse5) .cse3))) [2018-11-18 18:08:08,574 INFO L425 ceAbstractionStarter]: For program point L1773-4(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 18:08:08,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:08:08 BoogieIcfgContainer [2018-11-18 18:08:08,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 18:08:08,584 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 18:08:08,584 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 18:08:08,585 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 18:08:08,585 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:04:23" (3/4) ... [2018-11-18 18:08:08,588 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 18:08:08,593 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 18:08:08,593 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-18 18:08:08,593 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 18:08:08,593 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 18:08:08,611 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 18:08:08,613 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 18:08:08,635 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(11 == \old(a16)) || (!(a12 == 7) && a16 <= 8)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || 9 == a16) || ((8 == a12 && !(a16 == 11)) && !(a15 == 4))) || !(5 == \old(a12))) || ((!(a16 == 11) && !(a12 == 7)) && a12 <= 7)) || (12 == a16 && !(a15 == 4))) || (8 == a16 && 4 == a15)) || ((a16 == 8 && 3 == a15) && (a18 + 79 <= 0 || 134 < a18))) || ((!(a12 == 6) && \old(a16) == a16) && \old(a15) == a15)) || ((\old(a16) == a16 && \old(a15) == a15) && a18 + 79 <= 0) [2018-11-18 18:08:08,775 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1717edb6-c4e9-4d49-910c-a78b084872a6/bin-2019/utaipan/witness.graphml [2018-11-18 18:08:08,775 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 18:08:08,776 INFO L168 Benchmark]: Toolchain (without parser) took 228139.94 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 953.9 MB in the beginning and 648.5 MB in the end (delta: 305.4 MB). Peak memory consumption was 4.2 GB. Max. memory is 11.5 GB. [2018-11-18 18:08:08,776 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:08:08,776 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.25 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 878.7 MB in the end (delta: 75.2 MB). Peak memory consumption was 75.2 MB. Max. memory is 11.5 GB. [2018-11-18 18:08:08,777 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 878.7 MB in the beginning and 1.1 GB in the end (delta: -211.1 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-18 18:08:08,777 INFO L168 Benchmark]: Boogie Preprocessor took 69.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:08:08,777 INFO L168 Benchmark]: RCFGBuilder took 1575.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -10.0 MB). Peak memory consumption was 254.5 MB. Max. memory is 11.5 GB. [2018-11-18 18:08:08,777 INFO L168 Benchmark]: TraceAbstraction took 225525.82 ms. Allocated memory was 1.1 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.1 GB in the beginning and 648.5 MB in the end (delta: 437.9 MB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. [2018-11-18 18:08:08,778 INFO L168 Benchmark]: Witness Printer took 190.50 ms. Allocated memory is still 5.0 GB. Free memory is still 648.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:08:08,779 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 676.25 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 878.7 MB in the end (delta: 75.2 MB). Peak memory consumption was 75.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 878.7 MB in the beginning and 1.1 GB in the end (delta: -211.1 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1575.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -10.0 MB). Peak memory consumption was 254.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 225525.82 ms. Allocated memory was 1.1 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.1 GB in the beginning and 648.5 MB in the end (delta: 437.9 MB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. * Witness Printer took 190.50 ms. Allocated memory is still 5.0 GB. Free memory is still 648.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1773]: Loop Invariant Derived loop invariant: (((((((((((!(11 == \old(a16)) || (!(a12 == 7) && a16 <= 8)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || 9 == a16) || ((8 == a12 && !(a16 == 11)) && !(a15 == 4))) || !(5 == \old(a12))) || ((!(a16 == 11) && !(a12 == 7)) && a12 <= 7)) || (12 == a16 && !(a15 == 4))) || (8 == a16 && 4 == a15)) || ((a16 == 8 && 3 == a15) && (a18 + 79 <= 0 || 134 < a18))) || ((!(a12 == 6) && \old(a16) == a16) && \old(a15) == a15)) || ((\old(a16) == a16 && \old(a15) == a15) && a18 + 79 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. SAFE Result, 225.4s OverallTime, 14 OverallIterations, 10 TraceHistogramMax, 185.1s AutomataDifference, 0.0s DeadEndRemovalTime, 8.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2435 SDtfs, 36870 SDslu, 3988 SDs, 0 SdLazy, 72426 SolverSat, 7739 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 164.4s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 19113 GetRequests, 18778 SyntacticMatches, 23 SemanticMatches, 312 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3926 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13362occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.1s AbstIntTime, 11 AbstIntIterations, 3 AbstIntStrong, 0.9981481820860166 AbsIntWeakeningRatio, 0.05925925925925926 AbsIntAvgWeakeningVarsNumRemoved, 16.17654320987654 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 2306 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 977 PreInvPairs, 1694 NumberOfFragments, 1854 HoareAnnotationTreeSize, 977 FomulaSimplifications, 68123 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 73675 FormulaSimplificationTreeSizeReductionInter, 5.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 13.8s InterpolantComputationTime, 19291 NumberOfCodeBlocks, 19291 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 27793 ConstructedInterpolants, 0 QuantifiedInterpolants, 112243948 SizeOfPredicates, 5 NumberOfNonLiveVariables, 11252 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 30 InterpolantComputations, 5 PerfectInterpolantSequences, 57417/61238 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...