./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label29_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_79f40704-906e-41f8-a4f7-2d4fb03b6e2f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_79f40704-906e-41f8-a4f7-2d4fb03b6e2f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_79f40704-906e-41f8-a4f7-2d4fb03b6e2f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_79f40704-906e-41f8-a4f7-2d4fb03b6e2f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label29_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_79f40704-906e-41f8-a4f7-2d4fb03b6e2f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_79f40704-906e-41f8-a4f7-2d4fb03b6e2f/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 b58a35b82358ba5160d6216f8f839a69fd1d9edf ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:15:19,678 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:15:19,679 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:15:19,688 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:15:19,688 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:15:19,689 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:15:19,689 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:15:19,691 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:15:19,692 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:15:19,692 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:15:19,693 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:15:19,693 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:15:19,694 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:15:19,694 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:15:19,695 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:15:19,696 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:15:19,696 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:15:19,698 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:15:19,699 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:15:19,700 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:15:19,701 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:15:19,702 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:15:19,703 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:15:19,704 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:15:19,704 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:15:19,704 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:15:19,705 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:15:19,706 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:15:19,706 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:15:19,707 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:15:19,707 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:15:19,708 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:15:19,708 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:15:19,708 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:15:19,709 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:15:19,709 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:15:19,709 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_79f40704-906e-41f8-a4f7-2d4fb03b6e2f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:15:19,719 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:15:19,720 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:15:19,720 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:15:19,720 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:15:19,721 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:15:19,721 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:15:19,721 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:15:19,721 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:15:19,721 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:15:19,721 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:15:19,721 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:15:19,722 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:15:19,722 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:15:19,722 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:15:19,722 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:15:19,723 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:15:19,723 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:15:19,723 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:15:19,723 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:15:19,723 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:15:19,723 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:15:19,723 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:15:19,723 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:15:19,724 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:15:19,724 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:15:19,724 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:15:19,724 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:15:19,724 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:15:19,724 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:15:19,724 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:15:19,725 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:15:19,725 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:15:19,725 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:15:19,725 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:15:19,725 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:15:19,725 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:15:19,726 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:15:19,726 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_79f40704-906e-41f8-a4f7-2d4fb03b6e2f/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 -> b58a35b82358ba5160d6216f8f839a69fd1d9edf [2018-11-18 17:15:19,749 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:15:19,758 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:15:19,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:15:19,762 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:15:19,762 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:15:19,763 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_79f40704-906e-41f8-a4f7-2d4fb03b6e2f/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label29_true-unreach-call.c [2018-11-18 17:15:19,804 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_79f40704-906e-41f8-a4f7-2d4fb03b6e2f/bin-2019/utaipan/data/4b2ba7492/7f20aa9cd1754c4487373984e08606cf/FLAG0fe8bb79f [2018-11-18 17:15:20,219 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:15:20,219 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_79f40704-906e-41f8-a4f7-2d4fb03b6e2f/sv-benchmarks/c/eca-rers2012/Problem16_label29_true-unreach-call.c [2018-11-18 17:15:20,233 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_79f40704-906e-41f8-a4f7-2d4fb03b6e2f/bin-2019/utaipan/data/4b2ba7492/7f20aa9cd1754c4487373984e08606cf/FLAG0fe8bb79f [2018-11-18 17:15:20,559 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_79f40704-906e-41f8-a4f7-2d4fb03b6e2f/bin-2019/utaipan/data/4b2ba7492/7f20aa9cd1754c4487373984e08606cf [2018-11-18 17:15:20,560 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:15:20,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:15:20,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:15:20,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:15:20,565 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:15:20,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:15:20" (1/1) ... [2018-11-18 17:15:20,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69ec145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:15:20, skipping insertion in model container [2018-11-18 17:15:20,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:15:20" (1/1) ... [2018-11-18 17:15:20,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:15:20,649 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:15:21,068 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:15:21,071 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:15:21,254 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:15:21,268 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:15:21,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:15:21 WrapperNode [2018-11-18 17:15:21,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:15:21,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:15:21,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:15:21,269 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:15:21,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:15:21" (1/1) ... [2018-11-18 17:15:21,364 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:15:21" (1/1) ... [2018-11-18 17:15:21,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:15:21,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:15:21,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:15:21,372 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:15:21,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:15:21" (1/1) ... [2018-11-18 17:15:21,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:15:21" (1/1) ... [2018-11-18 17:15:21,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:15:21" (1/1) ... [2018-11-18 17:15:21,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:15:21" (1/1) ... [2018-11-18 17:15:21,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:15:21" (1/1) ... [2018-11-18 17:15:21,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:15:21" (1/1) ... [2018-11-18 17:15:21,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:15:21" (1/1) ... [2018-11-18 17:15:21,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:15:21,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:15:21,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:15:21,444 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:15:21,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:15:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79f40704-906e-41f8-a4f7-2d4fb03b6e2f/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 17:15:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 17:15:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:15:21,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:15:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-18 17:15:21,491 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-18 17:15:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 17:15:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 17:15:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:15:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:15:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:15:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:15:23,145 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:15:23,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:15:23 BoogieIcfgContainer [2018-11-18 17:15:23,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:15:23,150 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:15:23,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:15:23,153 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:15:23,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:15:20" (1/3) ... [2018-11-18 17:15:23,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11e2300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:15:23, skipping insertion in model container [2018-11-18 17:15:23,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:15:21" (2/3) ... [2018-11-18 17:15:23,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11e2300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:15:23, skipping insertion in model container [2018-11-18 17:15:23,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:15:23" (3/3) ... [2018-11-18 17:15:23,156 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label29_true-unreach-call.c [2018-11-18 17:15:23,165 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:15:23,172 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:15:23,185 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:15:23,215 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:15:23,215 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:15:23,215 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:15:23,215 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:15:23,215 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:15:23,216 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:15:23,216 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:15:23,216 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:15:23,237 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-11-18 17:15:23,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 17:15:23,243 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:15:23,244 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] [2018-11-18 17:15:23,246 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:15:23,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:15:23,251 INFO L82 PathProgramCache]: Analyzing trace with hash 354183419, now seen corresponding path program 1 times [2018-11-18 17:15:23,253 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:15:23,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:15:23,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:15:23,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:15:23,297 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:15:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:15:23,481 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 17:15:23,483 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:15:23,484 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:15:23,484 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:15:23,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:15:23,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:15:23,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:15:23,503 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-11-18 17:15:24,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:15:24,742 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-11-18 17:15:24,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:15:24,744 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 17:15:24,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:15:24,758 INFO L225 Difference]: With dead ends: 1156 [2018-11-18 17:15:24,758 INFO L226 Difference]: Without dead ends: 744 [2018-11-18 17:15:24,764 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 17:15:24,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-11-18 17:15:24,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-11-18 17:15:24,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-11-18 17:15:24,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1329 transitions. [2018-11-18 17:15:24,817 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1329 transitions. Word has length 53 [2018-11-18 17:15:24,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:15:24,818 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 1329 transitions. [2018-11-18 17:15:24,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:15:24,818 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1329 transitions. [2018-11-18 17:15:24,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 17:15:24,823 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:15:24,823 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:15:24,824 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:15:24,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:15:24,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1132116568, now seen corresponding path program 1 times [2018-11-18 17:15:24,825 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:15:24,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:15:24,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:15:24,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:15:24,826 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:15:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:15:25,009 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:15:25,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:15:25,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:15:25,010 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:15:25,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:15:25,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:15:25,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:15:25,012 INFO L87 Difference]: Start difference. First operand 744 states and 1329 transitions. Second operand 6 states. [2018-11-18 17:15:27,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:15:27,431 INFO L93 Difference]: Finished difference Result 2183 states and 3908 transitions. [2018-11-18 17:15:27,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:15:27,432 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161 [2018-11-18 17:15:27,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:15:27,438 INFO L225 Difference]: With dead ends: 2183 [2018-11-18 17:15:27,438 INFO L226 Difference]: Without dead ends: 1445 [2018-11-18 17:15:27,441 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:15:27,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2018-11-18 17:15:27,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1424. [2018-11-18 17:15:27,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1424 states. [2018-11-18 17:15:27,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1424 states and 2239 transitions. [2018-11-18 17:15:27,478 INFO L78 Accepts]: Start accepts. Automaton has 1424 states and 2239 transitions. Word has length 161 [2018-11-18 17:15:27,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:15:27,479 INFO L480 AbstractCegarLoop]: Abstraction has 1424 states and 2239 transitions. [2018-11-18 17:15:27,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:15:27,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 2239 transitions. [2018-11-18 17:15:27,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 17:15:27,482 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:15:27,482 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:15:27,482 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:15:27,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:15:27,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1480605381, now seen corresponding path program 1 times [2018-11-18 17:15:27,483 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:15:27,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:15:27,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:15:27,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:15:27,484 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:15:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:15:27,658 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:15:27,658 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:15:27,659 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:15:27,659 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:15:27,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:15:27,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:15:27,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:15:27,660 INFO L87 Difference]: Start difference. First operand 1424 states and 2239 transitions. Second operand 6 states. [2018-11-18 17:15:29,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:15:29,093 INFO L93 Difference]: Finished difference Result 3902 states and 6351 transitions. [2018-11-18 17:15:29,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:15:29,094 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-11-18 17:15:29,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:15:29,105 INFO L225 Difference]: With dead ends: 3902 [2018-11-18 17:15:29,105 INFO L226 Difference]: Without dead ends: 2484 [2018-11-18 17:15:29,109 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:15:29,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2018-11-18 17:15:29,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2474. [2018-11-18 17:15:29,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2474 states. [2018-11-18 17:15:29,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 2474 states and 3744 transitions. [2018-11-18 17:15:29,165 INFO L78 Accepts]: Start accepts. Automaton has 2474 states and 3744 transitions. Word has length 164 [2018-11-18 17:15:29,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:15:29,166 INFO L480 AbstractCegarLoop]: Abstraction has 2474 states and 3744 transitions. [2018-11-18 17:15:29,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:15:29,166 INFO L276 IsEmpty]: Start isEmpty. Operand 2474 states and 3744 transitions. [2018-11-18 17:15:29,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-18 17:15:29,170 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:15:29,170 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:15:29,170 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:15:29,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:15:29,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1539440952, now seen corresponding path program 1 times [2018-11-18 17:15:29,171 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:15:29,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:15:29,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:15:29,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:15:29,172 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:15:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:15:29,365 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 92 proven. 106 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 17:15:29,365 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:15:29,365 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:15:29,366 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 281 with the following transitions: [2018-11-18 17:15:29,368 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], [503], [505], [508], [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], [836], [837], [841], [845], [849], [853], [856], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:15:29,403 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:15:29,403 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:15:29,702 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:15:29,703 INFO L272 AbstractInterpreter]: Visited 121 different actions 121 times. Never merged. Never widened. Performed 1095 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1095 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-18 17:15:29,709 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:15:29,710 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:15:30,106 INFO L227 lantSequenceWeakener]: Weakened 271 states. On average, predicates are now at 77.89% of their original sizes. [2018-11-18 17:15:30,106 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:15:30,143 INFO L415 sIntCurrentIteration]: We unified 279 AI predicates to 279 [2018-11-18 17:15:30,143 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:15:30,144 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:15:30,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 17:15:30,144 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:15:30,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:15:30,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:15:30,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:15:30,145 INFO L87 Difference]: Start difference. First operand 2474 states and 3744 transitions. Second operand 6 states. [2018-11-18 17:16:17,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:16:17,232 INFO L93 Difference]: Finished difference Result 5282 states and 7967 transitions. [2018-11-18 17:16:17,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 17:16:17,233 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 280 [2018-11-18 17:16:17,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:16:17,243 INFO L225 Difference]: With dead ends: 5282 [2018-11-18 17:16:17,243 INFO L226 Difference]: Without dead ends: 2814 [2018-11-18 17:16:17,249 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 280 GetRequests, 275 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 17:16:17,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2814 states. [2018-11-18 17:16:17,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2814 to 2812. [2018-11-18 17:16:17,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2812 states. [2018-11-18 17:16:17,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 2812 states and 4089 transitions. [2018-11-18 17:16:17,308 INFO L78 Accepts]: Start accepts. Automaton has 2812 states and 4089 transitions. Word has length 280 [2018-11-18 17:16:17,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:16:17,308 INFO L480 AbstractCegarLoop]: Abstraction has 2812 states and 4089 transitions. [2018-11-18 17:16:17,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:16:17,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 4089 transitions. [2018-11-18 17:16:17,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2018-11-18 17:16:17,314 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:16:17,315 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:16:17,315 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:16:17,315 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:17,315 INFO L82 PathProgramCache]: Analyzing trace with hash 118880219, now seen corresponding path program 1 times [2018-11-18 17:16:17,315 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:16:17,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:17,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:16:17,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:16:17,316 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:16:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:16:17,480 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 233 proven. 110 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-11-18 17:16:17,480 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:16:17,480 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:16:17,480 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 373 with the following transitions: [2018-11-18 17:16:17,481 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], [503], [505], [508], [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], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:16:17,483 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:16:17,483 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:16:17,719 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:16:17,719 INFO L272 AbstractInterpreter]: Visited 125 different actions 362 times. Merged at 5 different actions 9 times. Never widened. Performed 3526 root evaluator evaluations with a maximum evaluation depth of 7. Performed 3526 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 17:16:17,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:16:17,722 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:16:18,076 INFO L227 lantSequenceWeakener]: Weakened 369 states. On average, predicates are now at 80.47% of their original sizes. [2018-11-18 17:16:18,076 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:16:18,164 INFO L415 sIntCurrentIteration]: We unified 371 AI predicates to 371 [2018-11-18 17:16:18,164 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:16:18,164 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:16:18,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 17:16:18,164 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:16:18,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 17:16:18,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 17:16:18,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:16:18,165 INFO L87 Difference]: Start difference. First operand 2812 states and 4089 transitions. Second operand 10 states. [2018-11-18 17:17:52,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:17:52,656 INFO L93 Difference]: Finished difference Result 8059 states and 11703 transitions. [2018-11-18 17:17:52,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 17:17:52,656 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 372 [2018-11-18 17:17:52,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:17:52,667 INFO L225 Difference]: With dead ends: 8059 [2018-11-18 17:17:52,667 INFO L226 Difference]: Without dead ends: 5591 [2018-11-18 17:17:52,673 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 381 GetRequests, 363 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 17:17:52,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5591 states. [2018-11-18 17:17:52,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5591 to 5567. [2018-11-18 17:17:52,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5567 states. [2018-11-18 17:17:52,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5567 states to 5567 states and 7100 transitions. [2018-11-18 17:17:52,746 INFO L78 Accepts]: Start accepts. Automaton has 5567 states and 7100 transitions. Word has length 372 [2018-11-18 17:17:52,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:17:52,746 INFO L480 AbstractCegarLoop]: Abstraction has 5567 states and 7100 transitions. [2018-11-18 17:17:52,746 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 17:17:52,746 INFO L276 IsEmpty]: Start isEmpty. Operand 5567 states and 7100 transitions. [2018-11-18 17:17:52,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2018-11-18 17:17:52,753 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:17:52,754 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:17:52,754 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:17:52,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:17:52,754 INFO L82 PathProgramCache]: Analyzing trace with hash 168754291, now seen corresponding path program 1 times [2018-11-18 17:17:52,754 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:17:52,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:17:52,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:17:52,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:17:52,755 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:17:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:17:53,266 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 248 proven. 123 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 17:17:53,266 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:17:53,266 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:17:53,266 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 521 with the following transitions: [2018-11-18 17:17:53,267 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], [503], [505], [508], [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], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:17:53,272 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:17:53,272 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:17:53,419 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:17:53,419 INFO L272 AbstractInterpreter]: Visited 249 different actions 492 times. Merged at 5 different actions 5 times. Never widened. Performed 5191 root evaluator evaluations with a maximum evaluation depth of 10. Performed 5191 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 17:17:53,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:17:53,425 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:17:53,677 INFO L227 lantSequenceWeakener]: Weakened 517 states. On average, predicates are now at 77.65% of their original sizes. [2018-11-18 17:17:53,677 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:17:53,728 INFO L415 sIntCurrentIteration]: We unified 519 AI predicates to 519 [2018-11-18 17:17:53,728 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:17:53,728 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:17:53,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2018-11-18 17:17:53,728 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:17:53,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 17:17:53,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 17:17:53,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:17:53,729 INFO L87 Difference]: Start difference. First operand 5567 states and 7100 transitions. Second operand 10 states. [2018-11-18 17:19:25,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:19:25,440 INFO L93 Difference]: Finished difference Result 11133 states and 14342 transitions. [2018-11-18 17:19:25,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 17:19:25,440 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 520 [2018-11-18 17:19:25,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:19:25,455 INFO L225 Difference]: With dead ends: 11133 [2018-11-18 17:19:25,455 INFO L226 Difference]: Without dead ends: 5910 [2018-11-18 17:19:25,467 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 527 GetRequests, 511 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 17:19:25,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5910 states. [2018-11-18 17:19:25,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5910 to 5907. [2018-11-18 17:19:25,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5907 states. [2018-11-18 17:19:25,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5907 states to 5907 states and 7456 transitions. [2018-11-18 17:19:25,560 INFO L78 Accepts]: Start accepts. Automaton has 5907 states and 7456 transitions. Word has length 520 [2018-11-18 17:19:25,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:19:25,561 INFO L480 AbstractCegarLoop]: Abstraction has 5907 states and 7456 transitions. [2018-11-18 17:19:25,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 17:19:25,561 INFO L276 IsEmpty]: Start isEmpty. Operand 5907 states and 7456 transitions. [2018-11-18 17:19:25,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2018-11-18 17:19:25,575 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:19:25,576 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:19:25,576 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:19:25,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:19:25,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1486371094, now seen corresponding path program 1 times [2018-11-18 17:19:25,576 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:19:25,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:19:25,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:19:25,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:19:25,577 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:19:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:19:26,548 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 284 proven. 223 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2018-11-18 17:19:26,549 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:19:26,549 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:19:26,549 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 613 with the following transitions: [2018-11-18 17:19:26,550 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], [503], [505], [508], [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], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:19:26,554 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:19:26,554 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:19:27,017 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:19:27,017 INFO L272 AbstractInterpreter]: Visited 251 different actions 1245 times. Merged at 9 different actions 37 times. Never widened. Performed 15006 root evaluator evaluations with a maximum evaluation depth of 17. Performed 15006 inverse root evaluator evaluations with a maximum inverse evaluation depth of 17. Found 9 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 17:19:27,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:19:27,019 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:19:27,019 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:19:27,019 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79f40704-906e-41f8-a4f7-2d4fb03b6e2f/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 17:19:27,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:19:27,026 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:19:27,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:19:27,127 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:19:27,333 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 591 proven. 2 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-11-18 17:19:27,334 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:19:27,603 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 284 proven. 223 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2018-11-18 17:19:27,620 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:19:27,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 19 [2018-11-18 17:19:27,621 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:19:27,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 17:19:27,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 17:19:27,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 17:19:27,622 INFO L87 Difference]: Start difference. First operand 5907 states and 7456 transitions. Second operand 16 states. [2018-11-18 17:19:33,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:19:33,856 INFO L93 Difference]: Finished difference Result 14313 states and 18258 transitions. [2018-11-18 17:19:33,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-11-18 17:19:33,856 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 612 [2018-11-18 17:19:33,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:19:33,868 INFO L225 Difference]: With dead ends: 14313 [2018-11-18 17:19:33,868 INFO L226 Difference]: Without dead ends: 6157 [2018-11-18 17:19:33,902 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1327 GetRequests, 1261 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1409 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=955, Invalid=3601, Unknown=0, NotChecked=0, Total=4556 [2018-11-18 17:19:33,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6157 states. [2018-11-18 17:19:33,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6157 to 5955. [2018-11-18 17:19:33,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5955 states. [2018-11-18 17:19:33,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5955 states to 5955 states and 6539 transitions. [2018-11-18 17:19:33,989 INFO L78 Accepts]: Start accepts. Automaton has 5955 states and 6539 transitions. Word has length 612 [2018-11-18 17:19:33,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:19:33,989 INFO L480 AbstractCegarLoop]: Abstraction has 5955 states and 6539 transitions. [2018-11-18 17:19:33,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 17:19:33,989 INFO L276 IsEmpty]: Start isEmpty. Operand 5955 states and 6539 transitions. [2018-11-18 17:19:34,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2018-11-18 17:19:34,003 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:19:34,004 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:19:34,004 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:19:34,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:19:34,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1302870569, now seen corresponding path program 1 times [2018-11-18 17:19:34,004 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:19:34,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:19:34,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:19:34,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:19:34,005 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:19:34,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:19:34,423 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 196 proven. 389 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2018-11-18 17:19:34,423 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:19:34,423 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:19:34,423 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 630 with the following transitions: [2018-11-18 17:19:34,423 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], [503], [505], [508], [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], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:19:34,427 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:19:34,427 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:19:34,667 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:19:34,667 INFO L272 AbstractInterpreter]: Visited 258 different actions 766 times. Merged at 7 different actions 14 times. Never widened. Performed 8945 root evaluator evaluations with a maximum evaluation depth of 10. Performed 8945 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 17:19:34,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:19:34,669 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:19:34,978 INFO L227 lantSequenceWeakener]: Weakened 626 states. On average, predicates are now at 80.32% of their original sizes. [2018-11-18 17:19:34,978 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:19:35,013 INFO L415 sIntCurrentIteration]: We unified 628 AI predicates to 628 [2018-11-18 17:19:35,013 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:19:35,013 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:19:35,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-18 17:19:35,014 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:19:35,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:19:35,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:19:35,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:19:35,014 INFO L87 Difference]: Start difference. First operand 5955 states and 6539 transitions. Second operand 9 states. [2018-11-18 17:20:11,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:20:11,664 INFO L93 Difference]: Finished difference Result 12435 states and 13729 transitions. [2018-11-18 17:20:11,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 17:20:11,664 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 629 [2018-11-18 17:20:11,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:20:11,677 INFO L225 Difference]: With dead ends: 12435 [2018-11-18 17:20:11,677 INFO L226 Difference]: Without dead ends: 7164 [2018-11-18 17:20:11,682 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 635 GetRequests, 621 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-18 17:20:11,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7164 states. [2018-11-18 17:20:11,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7164 to 7142. [2018-11-18 17:20:11,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7142 states. [2018-11-18 17:20:11,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7142 states to 7142 states and 7750 transitions. [2018-11-18 17:20:11,776 INFO L78 Accepts]: Start accepts. Automaton has 7142 states and 7750 transitions. Word has length 629 [2018-11-18 17:20:11,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:20:11,776 INFO L480 AbstractCegarLoop]: Abstraction has 7142 states and 7750 transitions. [2018-11-18 17:20:11,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:20:11,777 INFO L276 IsEmpty]: Start isEmpty. Operand 7142 states and 7750 transitions. [2018-11-18 17:20:11,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2018-11-18 17:20:11,786 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:20:11,786 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:20:11,786 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:20:11,787 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:20:11,787 INFO L82 PathProgramCache]: Analyzing trace with hash -1910972786, now seen corresponding path program 1 times [2018-11-18 17:20:11,787 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:20:11,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:20:11,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:20:11,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:20:11,788 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:20:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:20:12,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 484 proven. 511 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2018-11-18 17:20:12,612 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:20:12,612 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:20:12,612 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 760 with the following transitions: [2018-11-18 17:20:12,613 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], [503], [505], [508], [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], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:20:12,616 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:20:12,616 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:20:13,212 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:20:13,212 INFO L272 AbstractInterpreter]: Visited 260 different actions 1292 times. Merged at 10 different actions 39 times. Never widened. Performed 15708 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15708 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 17:20:13,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:20:13,221 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:20:13,222 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:20:13,222 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79f40704-906e-41f8-a4f7-2d4fb03b6e2f/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 17:20:13,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:20:13,230 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:20:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:20:13,322 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:20:13,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 954 proven. 2 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2018-11-18 17:20:13,511 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:20:13,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 582 proven. 110 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2018-11-18 17:20:13,762 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:20:13,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-18 17:20:13,762 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:20:13,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 17:20:13,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 17:20:13,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-11-18 17:20:13,763 INFO L87 Difference]: Start difference. First operand 7142 states and 7750 transitions. Second operand 15 states. [2018-11-18 17:20:18,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:20:18,385 INFO L93 Difference]: Finished difference Result 19625 states and 21757 transitions. [2018-11-18 17:20:18,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-11-18 17:20:18,385 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 759 [2018-11-18 17:20:18,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:20:18,408 INFO L225 Difference]: With dead ends: 19625 [2018-11-18 17:20:18,408 INFO L226 Difference]: Without dead ends: 13167 [2018-11-18 17:20:18,419 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1609 GetRequests, 1550 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1000 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=680, Invalid=2742, Unknown=0, NotChecked=0, Total=3422 [2018-11-18 17:20:18,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13167 states. [2018-11-18 17:20:18,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13167 to 11191. [2018-11-18 17:20:18,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11191 states. [2018-11-18 17:20:18,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11191 states to 11191 states and 12190 transitions. [2018-11-18 17:20:18,558 INFO L78 Accepts]: Start accepts. Automaton has 11191 states and 12190 transitions. Word has length 759 [2018-11-18 17:20:18,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:20:18,559 INFO L480 AbstractCegarLoop]: Abstraction has 11191 states and 12190 transitions. [2018-11-18 17:20:18,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 17:20:18,559 INFO L276 IsEmpty]: Start isEmpty. Operand 11191 states and 12190 transitions. [2018-11-18 17:20:18,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1088 [2018-11-18 17:20:18,575 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:20:18,575 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, 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, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:20:18,576 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:20:18,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:20:18,576 INFO L82 PathProgramCache]: Analyzing trace with hash 79135404, now seen corresponding path program 1 times [2018-11-18 17:20:18,576 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:20:18,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:20:18,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:20:18,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:20:18,577 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:20:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:20:19,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2661 backedges. 787 proven. 223 refuted. 0 times theorem prover too weak. 1651 trivial. 0 not checked. [2018-11-18 17:20:19,249 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:20:19,249 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:20:19,249 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1088 with the following transitions: [2018-11-18 17:20:19,249 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], [503], [505], [508], [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], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:20:19,252 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:20:19,252 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:20:19,701 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:20:19,701 INFO L272 AbstractInterpreter]: Visited 254 different actions 1028 times. Merged at 12 different actions 47 times. Widened at 1 different actions 1 times. Performed 11981 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11981 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 13 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 17:20:19,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:20:19,702 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:20:19,703 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:20:19,703 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79f40704-906e-41f8-a4f7-2d4fb03b6e2f/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 17:20:19,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:20:19,709 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:20:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:20:19,846 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:20:20,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2661 backedges. 1769 proven. 2 refuted. 0 times theorem prover too weak. 890 trivial. 0 not checked. [2018-11-18 17:20:20,206 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:20:20,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2661 backedges. 787 proven. 223 refuted. 0 times theorem prover too weak. 1651 trivial. 0 not checked. [2018-11-18 17:20:20,687 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:20:20,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 17:20:20,687 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:20:20,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:20:20,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:20:20,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:20:20,688 INFO L87 Difference]: Start difference. First operand 11191 states and 12190 transitions. Second operand 9 states. [2018-11-18 17:20:22,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:20:22,501 INFO L93 Difference]: Finished difference Result 23359 states and 25752 transitions. [2018-11-18 17:20:22,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 17:20:22,501 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1087 [2018-11-18 17:20:22,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:20:22,525 INFO L225 Difference]: With dead ends: 23359 [2018-11-18 17:20:22,525 INFO L226 Difference]: Without dead ends: 12897 [2018-11-18 17:20:22,541 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2191 GetRequests, 2175 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 17:20:22,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12897 states. [2018-11-18 17:20:22,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12897 to 12821. [2018-11-18 17:20:22,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12821 states. [2018-11-18 17:20:22,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12821 states to 12821 states and 13809 transitions. [2018-11-18 17:20:22,690 INFO L78 Accepts]: Start accepts. Automaton has 12821 states and 13809 transitions. Word has length 1087 [2018-11-18 17:20:22,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:20:22,691 INFO L480 AbstractCegarLoop]: Abstraction has 12821 states and 13809 transitions. [2018-11-18 17:20:22,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:20:22,691 INFO L276 IsEmpty]: Start isEmpty. Operand 12821 states and 13809 transitions. [2018-11-18 17:20:22,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1089 [2018-11-18 17:20:22,705 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:20:22,706 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, 7, 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, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:20:22,706 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:20:22,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:20:22,706 INFO L82 PathProgramCache]: Analyzing trace with hash 835027183, now seen corresponding path program 1 times [2018-11-18 17:20:22,706 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:20:22,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:20:22,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:20:22,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:20:22,707 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:20:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:20:23,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2667 backedges. 960 proven. 110 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2018-11-18 17:20:23,398 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:20:23,398 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:20:23,398 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1089 with the following transitions: [2018-11-18 17:20:23,398 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], [503], [505], [508], [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], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:20:23,400 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:20:23,400 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:20:23,883 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:20:23,883 INFO L272 AbstractInterpreter]: Visited 254 different actions 1020 times. Merged at 12 different actions 39 times. Never widened. Performed 11900 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11900 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 13 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-18 17:20:23,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:20:23,885 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:20:23,885 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:20:23,885 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79f40704-906e-41f8-a4f7-2d4fb03b6e2f/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 17:20:23,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:20:23,893 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:20:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:20:24,011 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:20:24,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2667 backedges. 1514 proven. 2 refuted. 0 times theorem prover too weak. 1151 trivial. 0 not checked. [2018-11-18 17:20:24,374 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:20:24,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2667 backedges. 960 proven. 110 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2018-11-18 17:20:24,792 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:20:24,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 17:20:24,792 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:20:24,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:20:24,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:20:24,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:20:24,794 INFO L87 Difference]: Start difference. First operand 12821 states and 13809 transitions. Second operand 9 states. [2018-11-18 17:20:27,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:20:27,322 INFO L93 Difference]: Finished difference Result 28517 states and 32002 transitions. [2018-11-18 17:20:27,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 17:20:27,323 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1088 [2018-11-18 17:20:27,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:20:27,355 INFO L225 Difference]: With dead ends: 28517 [2018-11-18 17:20:27,355 INFO L226 Difference]: Without dead ends: 16425 [2018-11-18 17:20:27,374 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2204 GetRequests, 2182 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-11-18 17:20:27,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16425 states. [2018-11-18 17:20:27,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16425 to 16348. [2018-11-18 17:20:27,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16348 states. [2018-11-18 17:20:27,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16348 states to 16348 states and 17878 transitions. [2018-11-18 17:20:27,576 INFO L78 Accepts]: Start accepts. Automaton has 16348 states and 17878 transitions. Word has length 1088 [2018-11-18 17:20:27,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:20:27,576 INFO L480 AbstractCegarLoop]: Abstraction has 16348 states and 17878 transitions. [2018-11-18 17:20:27,576 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:20:27,576 INFO L276 IsEmpty]: Start isEmpty. Operand 16348 states and 17878 transitions. [2018-11-18 17:20:27,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1098 [2018-11-18 17:20:27,588 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:20:27,588 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:20:27,589 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:20:27,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:20:27,589 INFO L82 PathProgramCache]: Analyzing trace with hash 774599707, now seen corresponding path program 1 times [2018-11-18 17:20:27,589 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:20:27,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:20:27,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:20:27,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:20:27,590 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:20:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:20:28,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2396 backedges. 862 proven. 110 refuted. 0 times theorem prover too weak. 1424 trivial. 0 not checked. [2018-11-18 17:20:28,226 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:20:28,226 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:20:28,227 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1098 with the following transitions: [2018-11-18 17:20:28,227 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], [503], [505], [508], [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], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:20:28,230 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:20:28,230 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:20:28,740 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:20:28,740 INFO L272 AbstractInterpreter]: Visited 253 different actions 1013 times. Merged at 11 different actions 36 times. Widened at 1 different actions 1 times. Performed 11817 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11817 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 17:20:28,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:20:28,753 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:20:28,753 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:20:28,753 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79f40704-906e-41f8-a4f7-2d4fb03b6e2f/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 17:20:28,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:20:28,759 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:20:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:20:28,891 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:20:29,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2396 backedges. 1350 proven. 2 refuted. 0 times theorem prover too weak. 1044 trivial. 0 not checked. [2018-11-18 17:20:29,210 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:20:29,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2396 backedges. 862 proven. 110 refuted. 0 times theorem prover too weak. 1424 trivial. 0 not checked. [2018-11-18 17:20:29,693 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:20:29,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-11-18 17:20:29,693 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:20:29,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 17:20:29,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 17:20:29,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-18 17:20:29,695 INFO L87 Difference]: Start difference. First operand 16348 states and 17878 transitions. Second operand 10 states. [2018-11-18 17:20:31,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:20:31,775 INFO L93 Difference]: Finished difference Result 31559 states and 34428 transitions. [2018-11-18 17:20:31,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 17:20:31,775 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1097 [2018-11-18 17:20:31,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:20:31,795 INFO L225 Difference]: With dead ends: 31559 [2018-11-18 17:20:31,796 INFO L226 Difference]: Without dead ends: 15940 [2018-11-18 17:20:31,815 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2225 GetRequests, 2201 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2018-11-18 17:20:31,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15940 states. [2018-11-18 17:20:31,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15940 to 15855. [2018-11-18 17:20:31,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15855 states. [2018-11-18 17:20:31,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15855 states to 15855 states and 16961 transitions. [2018-11-18 17:20:31,948 INFO L78 Accepts]: Start accepts. Automaton has 15855 states and 16961 transitions. Word has length 1097 [2018-11-18 17:20:31,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:20:31,948 INFO L480 AbstractCegarLoop]: Abstraction has 15855 states and 16961 transitions. [2018-11-18 17:20:31,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 17:20:31,948 INFO L276 IsEmpty]: Start isEmpty. Operand 15855 states and 16961 transitions. [2018-11-18 17:20:31,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1118 [2018-11-18 17:20:31,959 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:20:31,959 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:20:31,959 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:20:31,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:20:31,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1452360868, now seen corresponding path program 1 times [2018-11-18 17:20:31,960 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:20:31,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:20:31,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:20:31,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:20:31,961 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:20:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:20:32,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 964 proven. 603 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2018-11-18 17:20:32,794 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:20:32,794 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:20:32,795 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1118 with the following transitions: [2018-11-18 17:20:32,795 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], [503], [505], [508], [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], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:20:32,798 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:20:32,799 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:20:33,632 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:20:33,632 INFO L272 AbstractInterpreter]: Visited 286 different actions 1143 times. Merged at 9 different actions 34 times. Never widened. Performed 13722 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13722 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 10 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-18 17:20:33,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:20:33,633 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:20:33,633 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:20:33,633 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79f40704-906e-41f8-a4f7-2d4fb03b6e2f/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 17:20:33,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:20:33,640 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:20:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:20:33,775 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:20:34,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 1784 trivial. 0 not checked. [2018-11-18 17:20:34,069 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:20:34,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 1784 trivial. 0 not checked. [2018-11-18 17:20:34,468 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:20:34,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-18 17:20:34,468 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:20:34,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:20:34,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:20:34,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:20:34,469 INFO L87 Difference]: Start difference. First operand 15855 states and 16961 transitions. Second operand 3 states. [2018-11-18 17:20:35,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:20:35,005 INFO L93 Difference]: Finished difference Result 30347 states and 32528 transitions. [2018-11-18 17:20:35,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:20:35,006 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1117 [2018-11-18 17:20:35,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:20:35,024 INFO L225 Difference]: With dead ends: 30347 [2018-11-18 17:20:35,024 INFO L226 Difference]: Without dead ends: 15221 [2018-11-18 17:20:35,038 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2246 GetRequests, 2235 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:20:35,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15221 states. [2018-11-18 17:20:35,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15221 to 15221. [2018-11-18 17:20:35,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15221 states. [2018-11-18 17:20:35,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15221 states to 15221 states and 16204 transitions. [2018-11-18 17:20:35,157 INFO L78 Accepts]: Start accepts. Automaton has 15221 states and 16204 transitions. Word has length 1117 [2018-11-18 17:20:35,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:20:35,158 INFO L480 AbstractCegarLoop]: Abstraction has 15221 states and 16204 transitions. [2018-11-18 17:20:35,158 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:20:35,158 INFO L276 IsEmpty]: Start isEmpty. Operand 15221 states and 16204 transitions. [2018-11-18 17:20:35,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1190 [2018-11-18 17:20:35,169 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:20:35,170 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, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:20:35,170 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:20:35,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:20:35,170 INFO L82 PathProgramCache]: Analyzing trace with hash 342440569, now seen corresponding path program 1 times [2018-11-18 17:20:35,170 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:20:35,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:20:35,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:20:35,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:20:35,171 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:20:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:20:36,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2432 backedges. 1241 proven. 653 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2018-11-18 17:20:36,113 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:20:36,113 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:20:36,113 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1190 with the following transitions: [2018-11-18 17:20:36,113 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], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:20:36,116 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:20:36,116 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:20:37,002 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:20:37,002 INFO L272 AbstractInterpreter]: Visited 287 different actions 1151 times. Merged at 10 different actions 38 times. Widened at 1 different actions 1 times. Performed 13827 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13827 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-18 17:20:37,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:20:37,003 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:20:37,003 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:20:37,003 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79f40704-906e-41f8-a4f7-2d4fb03b6e2f/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 17:20:37,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:20:37,009 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:20:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:20:37,141 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:20:37,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2432 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 2141 trivial. 0 not checked. [2018-11-18 17:20:37,547 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:20:37,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2432 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 2141 trivial. 0 not checked. [2018-11-18 17:20:37,920 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:20:37,920 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-18 17:20:37,920 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:20:37,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:20:37,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:20:37,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:20:37,921 INFO L87 Difference]: Start difference. First operand 15221 states and 16204 transitions. Second operand 3 states. [2018-11-18 17:20:38,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:20:38,482 INFO L93 Difference]: Finished difference Result 28774 states and 30660 transitions. [2018-11-18 17:20:38,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:20:38,482 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1189 [2018-11-18 17:20:38,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:20:38,503 INFO L225 Difference]: With dead ends: 28774 [2018-11-18 17:20:38,503 INFO L226 Difference]: Without dead ends: 14282 [2018-11-18 17:20:38,521 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2392 GetRequests, 2380 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:20:38,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14282 states. [2018-11-18 17:20:38,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14282 to 14189. [2018-11-18 17:20:38,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14189 states. [2018-11-18 17:20:38,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14189 states to 14189 states and 14878 transitions. [2018-11-18 17:20:38,655 INFO L78 Accepts]: Start accepts. Automaton has 14189 states and 14878 transitions. Word has length 1189 [2018-11-18 17:20:38,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:20:38,655 INFO L480 AbstractCegarLoop]: Abstraction has 14189 states and 14878 transitions. [2018-11-18 17:20:38,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:20:38,656 INFO L276 IsEmpty]: Start isEmpty. Operand 14189 states and 14878 transitions. [2018-11-18 17:20:38,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1336 [2018-11-18 17:20:38,668 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:20:38,668 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:20:38,668 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:20:38,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:20:38,668 INFO L82 PathProgramCache]: Analyzing trace with hash -90997581, now seen corresponding path program 1 times [2018-11-18 17:20:38,668 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:20:38,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:20:38,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:20:38,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:20:38,669 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:20:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:20:39,867 INFO L134 CoverageAnalysis]: Checked inductivity of 3843 backedges. 1421 proven. 2 refuted. 0 times theorem prover too weak. 2420 trivial. 0 not checked. [2018-11-18 17:20:39,867 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:20:39,867 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:20:39,867 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1336 with the following transitions: [2018-11-18 17:20:39,867 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], [503], [505], [508], [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], [1257], [1261], [1265], [1268], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:20:39,870 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:20:39,870 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:20:40,308 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:20:40,308 INFO L272 AbstractInterpreter]: Visited 255 different actions 1028 times. Merged at 13 different actions 43 times. Widened at 1 different actions 1 times. Performed 12003 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12003 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-18 17:20:40,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:20:40,310 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:20:40,310 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:20:40,310 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79f40704-906e-41f8-a4f7-2d4fb03b6e2f/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 17:20:40,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:20:40,317 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:20:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:20:40,471 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:20:41,189 INFO L134 CoverageAnalysis]: Checked inductivity of 3843 backedges. 2618 proven. 6 refuted. 0 times theorem prover too weak. 1219 trivial. 0 not checked. [2018-11-18 17:20:41,190 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:20:42,381 INFO L134 CoverageAnalysis]: Checked inductivity of 3843 backedges. 1549 proven. 361 refuted. 0 times theorem prover too weak. 1933 trivial. 0 not checked. [2018-11-18 17:20:42,397 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:20:42,397 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2018-11-18 17:20:42,397 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:20:42,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-18 17:20:42,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-18 17:20:42,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-18 17:20:42,399 INFO L87 Difference]: Start difference. First operand 14189 states and 14878 transitions. Second operand 14 states. [2018-11-18 17:20:48,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:20:48,819 INFO L93 Difference]: Finished difference Result 30298 states and 31866 transitions. [2018-11-18 17:20:48,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-11-18 17:20:48,820 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 1335 [2018-11-18 17:20:48,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:20:48,838 INFO L225 Difference]: With dead ends: 30298 [2018-11-18 17:20:48,838 INFO L226 Difference]: Without dead ends: 15310 [2018-11-18 17:20:48,852 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2762 GetRequests, 2699 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1019 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=730, Invalid=3176, Unknown=0, NotChecked=0, Total=3906 [2018-11-18 17:20:48,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15310 states. [2018-11-18 17:20:48,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15310 to 14574. [2018-11-18 17:20:48,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14574 states. [2018-11-18 17:20:48,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14574 states to 14574 states and 15132 transitions. [2018-11-18 17:20:48,991 INFO L78 Accepts]: Start accepts. Automaton has 14574 states and 15132 transitions. Word has length 1335 [2018-11-18 17:20:48,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:20:48,992 INFO L480 AbstractCegarLoop]: Abstraction has 14574 states and 15132 transitions. [2018-11-18 17:20:48,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-18 17:20:48,992 INFO L276 IsEmpty]: Start isEmpty. Operand 14574 states and 15132 transitions. [2018-11-18 17:20:49,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1830 [2018-11-18 17:20:49,014 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:20:49,015 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, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:20:49,015 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:20:49,015 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:20:49,016 INFO L82 PathProgramCache]: Analyzing trace with hash -507957088, now seen corresponding path program 1 times [2018-11-18 17:20:49,016 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:20:49,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:20:49,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:20:49,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:20:49,017 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:20:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:20:51,110 INFO L134 CoverageAnalysis]: Checked inductivity of 6159 backedges. 1291 proven. 702 refuted. 0 times theorem prover too weak. 4166 trivial. 0 not checked. [2018-11-18 17:20:51,110 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:20:51,110 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:20:51,111 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1830 with the following transitions: [2018-11-18 17:20:51,111 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], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1268], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:20:51,113 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:20:51,113 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:20:51,946 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:20:51,946 INFO L272 AbstractInterpreter]: Visited 290 different actions 1166 times. Merged at 11 different actions 41 times. Widened at 1 different actions 1 times. Performed 14000 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14000 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 14 fixpoints after 7 different actions. Largest state had 24 variables. [2018-11-18 17:20:51,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:20:51,949 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:20:51,949 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:20:51,949 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79f40704-906e-41f8-a4f7-2d4fb03b6e2f/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:20:51,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:20:51,956 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:20:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:20:52,144 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:20:53,251 INFO L134 CoverageAnalysis]: Checked inductivity of 6159 backedges. 4205 proven. 2 refuted. 0 times theorem prover too weak. 1952 trivial. 0 not checked. [2018-11-18 17:20:53,251 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:20:55,851 INFO L134 CoverageAnalysis]: Checked inductivity of 6159 backedges. 1291 proven. 702 refuted. 0 times theorem prover too weak. 4166 trivial. 0 not checked. [2018-11-18 17:20:55,868 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:20:55,869 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-18 17:20:55,869 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:20:55,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 17:20:55,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 17:20:55,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-11-18 17:20:55,871 INFO L87 Difference]: Start difference. First operand 14574 states and 15132 transitions. Second operand 11 states. [2018-11-18 17:20:58,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:20:58,720 INFO L93 Difference]: Finished difference Result 28935 states and 30121 transitions. [2018-11-18 17:20:58,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-18 17:20:58,720 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1829 [2018-11-18 17:20:58,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:20:58,737 INFO L225 Difference]: With dead ends: 28935 [2018-11-18 17:20:58,737 INFO L226 Difference]: Without dead ends: 15045 [2018-11-18 17:20:58,748 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3700 GetRequests, 3670 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=660, Unknown=0, NotChecked=0, Total=870 [2018-11-18 17:20:58,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15045 states. [2018-11-18 17:20:58,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15045 to 14574. [2018-11-18 17:20:58,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14574 states. [2018-11-18 17:20:58,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14574 states to 14574 states and 15116 transitions. [2018-11-18 17:20:58,881 INFO L78 Accepts]: Start accepts. Automaton has 14574 states and 15116 transitions. Word has length 1829 [2018-11-18 17:20:58,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:20:58,882 INFO L480 AbstractCegarLoop]: Abstraction has 14574 states and 15116 transitions. [2018-11-18 17:20:58,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 17:20:58,882 INFO L276 IsEmpty]: Start isEmpty. Operand 14574 states and 15116 transitions. [2018-11-18 17:20:58,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2010 [2018-11-18 17:20:58,904 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:20:58,904 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:20:58,904 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:20:58,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:20:58,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1733996690, now seen corresponding path program 1 times [2018-11-18 17:20:58,905 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:20:58,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:20:58,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:20:58,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:20:58,906 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:20:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:21:04,995 INFO L134 CoverageAnalysis]: Checked inductivity of 7926 backedges. 1286 proven. 4993 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2018-11-18 17:21:04,995 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:21:04,995 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:21:04,996 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2010 with the following transitions: [2018-11-18 17:21:04,996 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], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [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], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1148], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1268], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:21:04,999 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:21:04,999 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:21:05,776 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:21:05,776 INFO L272 AbstractInterpreter]: Visited 292 different actions 1179 times. Merged at 14 different actions 46 times. Widened at 1 different actions 1 times. Performed 14113 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14113 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 17 fixpoints after 8 different actions. Largest state had 24 variables. [2018-11-18 17:21:05,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:21:05,781 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:21:05,781 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:21:05,781 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79f40704-906e-41f8-a4f7-2d4fb03b6e2f/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:21:05,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:21:05,788 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:21:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:21:05,993 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:21:07,096 INFO L134 CoverageAnalysis]: Checked inductivity of 7926 backedges. 4670 proven. 2 refuted. 0 times theorem prover too weak. 3254 trivial. 0 not checked. [2018-11-18 17:21:07,097 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:21:08,594 INFO L134 CoverageAnalysis]: Checked inductivity of 7926 backedges. 1052 proven. 636 refuted. 0 times theorem prover too weak. 6238 trivial. 0 not checked. [2018-11-18 17:21:08,611 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:21:08,611 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 5, 5] total 30 [2018-11-18 17:21:08,611 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:21:08,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-11-18 17:21:08,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-11-18 17:21:08,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=742, Unknown=0, NotChecked=0, Total=870 [2018-11-18 17:21:08,613 INFO L87 Difference]: Start difference. First operand 14574 states and 15116 transitions. Second operand 28 states. [2018-11-18 17:21:22,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:21:22,125 INFO L93 Difference]: Finished difference Result 36232 states and 37750 transitions. [2018-11-18 17:21:22,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2018-11-18 17:21:22,126 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 2009 [2018-11-18 17:21:22,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:21:22,147 INFO L225 Difference]: With dead ends: 36232 [2018-11-18 17:21:22,148 INFO L226 Difference]: Without dead ends: 21679 [2018-11-18 17:21:22,158 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4188 GetRequests, 4075 SyntacticMatches, 11 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3849 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1707, Invalid=9005, Unknown=0, NotChecked=0, Total=10712 [2018-11-18 17:21:22,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21679 states. [2018-11-18 17:21:22,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21679 to 18352. [2018-11-18 17:21:22,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18352 states. [2018-11-18 17:21:22,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18352 states to 18352 states and 19026 transitions. [2018-11-18 17:21:22,320 INFO L78 Accepts]: Start accepts. Automaton has 18352 states and 19026 transitions. Word has length 2009 [2018-11-18 17:21:22,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:21:22,321 INFO L480 AbstractCegarLoop]: Abstraction has 18352 states and 19026 transitions. [2018-11-18 17:21:22,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-11-18 17:21:22,321 INFO L276 IsEmpty]: Start isEmpty. Operand 18352 states and 19026 transitions. [2018-11-18 17:21:22,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2105 [2018-11-18 17:21:22,345 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:21:22,346 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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, 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, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:21:22,346 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:21:22,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:21:22,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1882335691, now seen corresponding path program 1 times [2018-11-18 17:21:22,346 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:21:22,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:21:22,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:21:22,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:21:22,347 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:21:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:21:28,682 INFO L134 CoverageAnalysis]: Checked inductivity of 8587 backedges. 1390 proven. 5593 refuted. 0 times theorem prover too weak. 1604 trivial. 0 not checked. [2018-11-18 17:21:28,683 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:21:28,683 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:21:28,683 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2105 with the following transitions: [2018-11-18 17:21:28,683 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], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1148], [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], [1268], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1296], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:21:28,685 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:21:28,685 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:21:29,518 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:21:29,518 INFO L272 AbstractInterpreter]: Visited 292 different actions 1173 times. Merged at 13 different actions 40 times. Widened at 1 different actions 1 times. Performed 14089 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14089 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 16 fixpoints after 7 different actions. Largest state had 24 variables. [2018-11-18 17:21:29,520 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:21:29,520 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:21:29,520 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:21:29,520 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79f40704-906e-41f8-a4f7-2d4fb03b6e2f/bin-2019/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:21:29,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:21:29,526 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:21:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:21:29,755 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:21:30,969 INFO L134 CoverageAnalysis]: Checked inductivity of 8587 backedges. 536 proven. 0 refuted. 0 times theorem prover too weak. 8051 trivial. 0 not checked. [2018-11-18 17:21:30,969 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:21:32,006 INFO L134 CoverageAnalysis]: Checked inductivity of 8587 backedges. 536 proven. 0 refuted. 0 times theorem prover too weak. 8051 trivial. 0 not checked. [2018-11-18 17:21:32,022 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:21:32,022 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [25] total 27 [2018-11-18 17:21:32,022 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:21:32,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:21:32,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:21:32,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=605, Unknown=0, NotChecked=0, Total=702 [2018-11-18 17:21:32,023 INFO L87 Difference]: Start difference. First operand 18352 states and 19026 transitions. Second operand 3 states. [2018-11-18 17:21:32,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:21:32,861 INFO L93 Difference]: Finished difference Result 38006 states and 39549 transitions. [2018-11-18 17:21:32,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:21:32,861 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2104 [2018-11-18 17:21:32,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:21:32,884 INFO L225 Difference]: With dead ends: 38006 [2018-11-18 17:21:32,884 INFO L226 Difference]: Without dead ends: 20710 [2018-11-18 17:21:32,899 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4242 GetRequests, 4212 SyntacticMatches, 5 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=605, Unknown=0, NotChecked=0, Total=702 [2018-11-18 17:21:32,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20710 states. [2018-11-18 17:21:33,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20710 to 20372. [2018-11-18 17:21:33,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20372 states. [2018-11-18 17:21:33,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20372 states to 20372 states and 21159 transitions. [2018-11-18 17:21:33,071 INFO L78 Accepts]: Start accepts. Automaton has 20372 states and 21159 transitions. Word has length 2104 [2018-11-18 17:21:33,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:21:33,072 INFO L480 AbstractCegarLoop]: Abstraction has 20372 states and 21159 transitions. [2018-11-18 17:21:33,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:21:33,072 INFO L276 IsEmpty]: Start isEmpty. Operand 20372 states and 21159 transitions. [2018-11-18 17:21:33,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2153 [2018-11-18 17:21:33,109 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:21:33,110 INFO L375 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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, 8, 8, 8, 8, 8, 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, 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, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:21:33,110 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:21:33,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:21:33,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1733796058, now seen corresponding path program 1 times [2018-11-18 17:21:33,111 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:21:33,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:21:33,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:21:33,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:21:33,112 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:21:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:21:39,787 INFO L134 CoverageAnalysis]: Checked inductivity of 9447 backedges. 3133 proven. 5494 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2018-11-18 17:21:39,788 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:21:39,788 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:21:39,788 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2153 with the following transitions: [2018-11-18 17:21:39,788 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], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [824], [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], [1028], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1148], [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], [1289], [1293], [1296], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:21:39,791 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:21:39,791 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:21:40,625 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:21:40,625 INFO L272 AbstractInterpreter]: Visited 293 different actions 1175 times. Merged at 13 different actions 38 times. Never widened. Performed 14063 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14063 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 17 fixpoints after 10 different actions. Largest state had 24 variables. [2018-11-18 17:21:40,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:21:40,627 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:21:40,627 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:21:40,627 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79f40704-906e-41f8-a4f7-2d4fb03b6e2f/bin-2019/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:21:40,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:21:40,636 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:21:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:21:40,858 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:21:41,978 INFO L134 CoverageAnalysis]: Checked inductivity of 9447 backedges. 1708 proven. 2 refuted. 0 times theorem prover too weak. 7737 trivial. 0 not checked. [2018-11-18 17:21:41,978 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:21:43,252 INFO L134 CoverageAnalysis]: Checked inductivity of 9447 backedges. 1708 proven. 2 refuted. 0 times theorem prover too weak. 7737 trivial. 0 not checked. [2018-11-18 17:21:43,268 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:21:43,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 5, 5] total 37 [2018-11-18 17:21:43,269 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:21:43,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-11-18 17:21:43,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-11-18 17:21:43,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1172, Unknown=0, NotChecked=0, Total=1332 [2018-11-18 17:21:43,271 INFO L87 Difference]: Start difference. First operand 20372 states and 21159 transitions. Second operand 35 states. [2018-11-18 17:22:02,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:22:02,092 INFO L93 Difference]: Finished difference Result 51839 states and 54196 transitions. [2018-11-18 17:22:02,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2018-11-18 17:22:02,092 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 2152 [2018-11-18 17:22:02,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:22:02,123 INFO L225 Difference]: With dead ends: 51839 [2018-11-18 17:22:02,123 INFO L226 Difference]: Without dead ends: 29773 [2018-11-18 17:22:02,139 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4578 GetRequests, 4412 SyntacticMatches, 1 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10130 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=3837, Invalid=23885, Unknown=0, NotChecked=0, Total=27722 [2018-11-18 17:22:02,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29773 states. [2018-11-18 17:22:02,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29773 to 26642. [2018-11-18 17:22:02,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26642 states. [2018-11-18 17:22:02,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26642 states to 26642 states and 27567 transitions. [2018-11-18 17:22:02,388 INFO L78 Accepts]: Start accepts. Automaton has 26642 states and 27567 transitions. Word has length 2152 [2018-11-18 17:22:02,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:22:02,388 INFO L480 AbstractCegarLoop]: Abstraction has 26642 states and 27567 transitions. [2018-11-18 17:22:02,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-11-18 17:22:02,388 INFO L276 IsEmpty]: Start isEmpty. Operand 26642 states and 27567 transitions. [2018-11-18 17:22:02,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2219 [2018-11-18 17:22:02,416 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:22:02,416 INFO L375 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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, 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, 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, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:22:02,417 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:22:02,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:22:02,417 INFO L82 PathProgramCache]: Analyzing trace with hash -731260454, now seen corresponding path program 1 times [2018-11-18 17:22:02,417 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:22:02,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:22:02,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:22:02,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:22:02,418 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:22:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:22:05,748 INFO L134 CoverageAnalysis]: Checked inductivity of 9527 backedges. 3237 proven. 1442 refuted. 0 times theorem prover too weak. 4848 trivial. 0 not checked. [2018-11-18 17:22:05,749 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:22:05,749 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:22:05,749 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2219 with the following transitions: [2018-11-18 17:22:05,749 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], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1148], [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], [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], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1540], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:22:05,752 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:22:05,752 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:22:06,644 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:22:06,644 INFO L272 AbstractInterpreter]: Visited 306 different actions 1533 times. Merged at 13 different actions 50 times. Widened at 1 different actions 1 times. Performed 19098 root evaluator evaluations with a maximum evaluation depth of 22. Performed 19098 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 20 fixpoints after 9 different actions. Largest state had 24 variables. [2018-11-18 17:22:06,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:22:06,645 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:22:06,645 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:22:06,645 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79f40704-906e-41f8-a4f7-2d4fb03b6e2f/bin-2019/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:22:06,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:22:06,652 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:22:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:22:06,878 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:22:07,967 INFO L134 CoverageAnalysis]: Checked inductivity of 9527 backedges. 585 proven. 0 refuted. 0 times theorem prover too weak. 8942 trivial. 0 not checked. [2018-11-18 17:22:07,967 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:22:09,156 INFO L134 CoverageAnalysis]: Checked inductivity of 9527 backedges. 585 proven. 0 refuted. 0 times theorem prover too weak. 8942 trivial. 0 not checked. [2018-11-18 17:22:09,173 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:22:09,173 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [17] total 19 [2018-11-18 17:22:09,173 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:22:09,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:22:09,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:22:09,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2018-11-18 17:22:09,174 INFO L87 Difference]: Start difference. First operand 26642 states and 27567 transitions. Second operand 3 states. [2018-11-18 17:22:09,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:22:09,790 INFO L93 Difference]: Finished difference Result 49549 states and 51350 transitions. [2018-11-18 17:22:09,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:22:09,791 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2218 [2018-11-18 17:22:09,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:22:09,793 INFO L225 Difference]: With dead ends: 49549 [2018-11-18 17:22:09,793 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:22:09,817 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4456 GetRequests, 4438 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2018-11-18 17:22:09,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:22:09,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:22:09,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:22:09,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:22:09,817 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2218 [2018-11-18 17:22:09,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:22:09,818 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:22:09,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:22:09,818 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:22:09,818 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:22:09,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:22:09,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:22:09,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:22:10,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:22:10,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:22:10,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:22:10,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:22:10,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:22:10,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:22:10,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:22:10,697 WARN L180 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 461 [2018-11-18 17:22:10,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:22:10,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:22:10,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:22:10,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:22:10,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:22:10,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:22:10,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:22:11,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:22:11,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:22:12,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:22:12,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:22:12,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:22:12,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:22:12,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:22:12,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:22:13,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:22:13,262 WARN L180 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 485 [2018-11-18 17:22:15,003 WARN L180 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 471 DAG size of output: 71 [2018-11-18 17:22:16,031 WARN L180 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 72 [2018-11-18 17:22:17,912 WARN L180 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 602 DAG size of output: 112 [2018-11-18 17:22:21,280 WARN L180 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 595 DAG size of output: 150 [2018-11-18 17:22:23,056 WARN L180 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 492 DAG size of output: 68 [2018-11-18 17:22:23,065 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:22:23,065 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 17:22:23,065 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:22:23,066 INFO L425 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,066 INFO L425 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 17:22:23,066 INFO L425 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,066 INFO L425 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,066 INFO L425 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,066 INFO L425 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,066 INFO L425 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,066 INFO L425 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,066 INFO L425 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,066 INFO L425 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,066 INFO L425 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,066 INFO L425 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,066 INFO L425 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,066 INFO L425 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,066 INFO L425 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,066 INFO L425 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,066 INFO L425 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,066 INFO L425 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,066 INFO L425 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,066 INFO L425 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,067 INFO L425 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,067 INFO L425 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,067 INFO L425 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,067 INFO L425 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,067 INFO L425 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,067 INFO L425 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,067 INFO L425 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,067 INFO L425 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,067 INFO L425 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,067 INFO L421 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse22 (= 5 |old(~a12~0)|)) (.cse21 (= 3 |old(~a15~0)|)) (.cse23 (= 8 |old(~a16~0)|))) (let ((.cse16 (= ~a18~0 |old(~a18~0)|)) (.cse7 (= 9 |old(~a16~0)|)) (.cse8 (= 4 |old(~a15~0)|)) (.cse15 (not .cse23)) (.cse12 (not .cse21)) (.cse13 (not .cse22)) (.cse19 (= |old(~a15~0)| ~a15~0)) (.cse17 (= ~a16~0 |old(~a16~0)|)) (.cse18 (= |old(~a12~0)| ~a12~0))) (let ((.cse3 (< 134 ~a18~0)) (.cse4 (and (<= ~a18~0 |old(~a18~0)|) .cse19 .cse17 .cse18)) (.cse1 (< 0 (+ |old(~a18~0)| 156))) (.cse11 (= 10 |old(~a16~0)|)) (.cse0 (and (or .cse15 .cse12 .cse13) (or .cse12 .cse13 (not (= (+ |old(~a18~0)| 87) 0)) (not (= 11 |old(~a16~0)|))))) (.cse2 (<= (+ ~a18~0 156) 0)) (.cse14 (not .cse8)) (.cse5 (not (= 8 |old(~a12~0)|))) (.cse10 (not (= 7 |old(~a12~0)|))) (.cse6 (not .cse7)) (.cse9 (and .cse19 .cse17 .cse16 .cse18))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or .cse4 .cse5 .cse6) (or .cse0 (<= |old(~a18~0)| 134) .cse3) (or .cse7 .cse8 .cse9 .cse10 .cse11) (or .cse4 (or .cse12 .cse13) .cse6) (or .cse14 .cse15 .cse9) (or (or .cse10 .cse6) (and .cse16 (and .cse17 .cse18) .cse19) .cse1) (or (and (= |old(~a16~0)| ~a16~0) (and (= ~a15~0 3) (= ~a12~0 5))) .cse0) (or (< |old(~a12~0)| 9) .cse11 .cse9) (or .cse0 (<= (+ |old(~a18~0)| 79) 0) (or .cse2 (< 0 (+ ~a18~0 79)))) (or .cse14 .cse9 .cse6) (or (and (and .cse17 .cse16 .cse18) (= ~a15~0 |old(~a15~0)|)) (or .cse7 .cse8 .cse5)) (or .cse9 .cse10 (forall ((v_prenex_27 Int)) (let ((.cse20 (mod v_prenex_27 299932))) (or (<= 0 v_prenex_27) (= 0 .cse20) (< |old(~a18~0)| (+ .cse20 136))))) .cse6) (or (< 6 |old(~a12~0)|) (and .cse21 .cse22 .cse23) .cse7 .cse9))))) [2018-11-18 17:22:23,067 INFO L425 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,067 INFO L425 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,067 INFO L425 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,067 INFO L425 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,067 INFO L425 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,067 INFO L425 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,067 INFO L425 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,067 INFO L425 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 17:22:23,068 INFO L425 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,068 INFO L425 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,068 INFO L425 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,068 INFO L425 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,068 INFO L425 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,068 INFO L425 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,068 INFO L425 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,068 INFO L425 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,068 INFO L425 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-18 17:22:23,068 INFO L425 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,068 INFO L425 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,068 INFO L425 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,068 INFO L425 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,068 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,068 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,068 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,068 INFO L425 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,068 INFO L425 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,068 INFO L425 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,068 INFO L425 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,068 INFO L425 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,068 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,068 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 17:22:23,068 INFO L425 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,068 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 17:22:23,068 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 17:22:23,069 INFO L421 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse38 (= ~a15~0 3)) (.cse37 (= 8 ~a16~0))) (let ((.cse35 (+ ~a18~0 156)) (.cse19 (not (= 8 |old(~a16~0)|))) (.cse0 (not (= 3 |old(~a15~0)|))) (.cse29 (not (= 5 |old(~a12~0)|))) (.cse1 (not (= 11 |old(~a16~0)|))) (.cse4 (= 9 |old(~a16~0)|)) (.cse14 (= ~a16~0 |old(~a16~0)|)) (.cse15 (= ~a18~0 |old(~a18~0)|)) (.cse16 (= |old(~a12~0)| ~a12~0)) (.cse17 (= 4 |old(~a15~0)|)) (.cse28 (not .cse37)) (.cse11 (not .cse38)) (.cse36 (= ~a12~0 |old(~a12~0)|)) (.cse26 (= |old(~a16~0)| ~a16~0)) (.cse30 (let ((.cse39 (= ~a12~0 5))) (or (and (= ~a16~0 8) .cse38 .cse39) (and (= ~a16~0 11) .cse38 .cse39 (= (+ ~a18~0 87) 0))))) (.cse13 (= |old(~a15~0)| ~a15~0))) (let ((.cse7 (and .cse36 .cse37 .cse26 .cse30 .cse13)) (.cse5 (and .cse36 (not (= ~a15~0 4)) .cse26 (<= ~a16~0 8) (or (not (= 5 ~a12~0)) .cse28 .cse11) .cse13)) (.cse20 (< |old(~a12~0)| 9)) (.cse18 (= 10 |old(~a16~0)|)) (.cse24 (< 134 ~a18~0)) (.cse22 (< 0 (+ |old(~a18~0)| 156))) (.cse27 (not .cse17)) (.cse8 (not (= 7 |old(~a12~0)|))) (.cse6 (and .cse13 .cse14 .cse15 .cse16)) (.cse32 (<= ~a18~0 |old(~a18~0)|)) (.cse33 (not .cse4)) (.cse25 (not (= 8 |old(~a12~0)|))) (.cse9 (not (= 11 ~a16~0))) (.cse10 (not (= calculate_output_~input 3))) (.cse3 (not (= calculate_output_~input 0))) (.cse31 (= 0 |old(~a16~0)|)) (.cse21 (and (or .cse19 .cse0 .cse29) (or .cse0 .cse29 (not (= (+ |old(~a18~0)| 87) 0)) .cse1))) (.cse23 (<= .cse35 0)) (.cse12 (< 0 (+ ~a18~0 79))) (.cse2 (= |calculate_output_#in~input| 0))) (and (or (or .cse0 (= 0 |old(~a12~0)|) .cse1 .cse2) .cse3) (or .cse4 .cse5 .cse6 .cse7 (< 6 |old(~a12~0)|)) (or .cse4 .cse5 .cse8 (and (or .cse9 .cse10 .cse11 .cse12) .cse13 .cse14 .cse15 .cse16) .cse17 .cse18) (or .cse19 .cse5 .cse6 .cse7) (or .cse6 .cse20 .cse5 .cse18) (or .cse21 .cse22 (or .cse23 .cse24) .cse2) (or .cse4 .cse5 .cse25 (and (and .cse26 .cse16) .cse15 (= ~a15~0 |old(~a15~0)|)) .cse17) (or .cse27 .cse20 (or .cse10 .cse28 (not (= 9 ~a12~0))) .cse18 .cse22) (or .cse0 .cse29 .cse4 .cse2 .cse30 .cse31 .cse15) (or .cse0 .cse29 .cse2 (and .cse32 (and .cse13 .cse14) .cse16) .cse33) (or .cse21 (<= |old(~a18~0)| 134) .cse24 .cse2) (or .cse8 (and .cse15 (and .cse14 .cse16) .cse13) .cse33 .cse22) (or .cse27 .cse6 .cse33) (or .cse8 (forall ((v_prenex_27 Int)) (let ((.cse34 (mod v_prenex_27 299932))) (or (<= 0 v_prenex_27) (= 0 .cse34) (< |old(~a18~0)| (+ .cse34 136))))) .cse6 .cse33) (or .cse25 (and .cse32 .cse13 .cse14 .cse16) .cse33) (or .cse17 .cse25 (or .cse9 .cse10 .cse11 (< 0 .cse35))) (or .cse0 .cse29 .cse3 .cse2 .cse31) (or .cse21 (<= (+ |old(~a18~0)| 79) 0) (or .cse23 .cse12) .cse2))))) [2018-11-18 17:22:23,069 INFO L425 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,069 INFO L425 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-18 17:22:23,069 INFO L425 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,069 INFO L425 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,069 INFO L425 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,069 INFO L425 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,069 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,069 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,069 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,069 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 17:22:23,069 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 17:22:23,069 INFO L425 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,069 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 17:22:23,069 INFO L425 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,069 INFO L425 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,069 INFO L425 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,069 INFO L425 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,069 INFO L425 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,070 INFO L425 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,070 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,070 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,070 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,070 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,070 INFO L425 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,070 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,070 INFO L425 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,070 INFO L425 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,070 INFO L425 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,070 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 17:22:23,070 INFO L425 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,070 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 17:22:23,070 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 17:22:23,070 INFO L425 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,070 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,070 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,070 INFO L425 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,070 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,070 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,070 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,070 INFO L425 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,070 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,070 INFO L425 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,070 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 17:22:23,070 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 17:22:23,070 INFO L425 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,070 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 17:22:23,071 INFO L425 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,071 INFO L425 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,071 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,071 INFO L425 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,071 INFO L425 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,071 INFO L425 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,071 INFO L425 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,071 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,071 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,071 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,071 INFO L425 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,071 INFO L425 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,071 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 17:22:23,071 INFO L425 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,071 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 17:22:23,071 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 17:22:23,071 INFO L425 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,071 INFO L425 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,071 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,071 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,071 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,071 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,071 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,071 INFO L425 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,071 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,071 INFO L425 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,071 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,072 INFO L425 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,072 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 17:22:23,072 INFO L425 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,072 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 17:22:23,072 INFO L425 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,072 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 17:22:23,072 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,072 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,072 INFO L425 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,072 INFO L425 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,072 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,072 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,072 INFO L425 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,072 INFO L425 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,072 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,072 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,072 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,072 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,072 INFO L425 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,072 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 17:22:23,072 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 17:22:23,072 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 17:22:23,072 INFO L425 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,072 INFO L425 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,072 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,072 INFO L425 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,072 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,073 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,073 INFO L425 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,073 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,073 INFO L425 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,073 INFO L425 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,073 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,073 INFO L425 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,073 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 17:22:23,073 INFO L425 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,073 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 17:22:23,073 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 17:22:23,073 INFO L425 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,073 INFO L425 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,073 INFO L425 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,073 INFO L425 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,073 INFO L425 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,073 INFO L425 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,073 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse5 (= 9 |old(~a16~0)|)) (.cse9 (= |old(~a15~0)| ~a15~0)) (.cse10 (= ~a16~0 |old(~a16~0)|)) (.cse11 (= |old(~a12~0)| ~a12~0))) (let ((.cse1 (= 10 |old(~a16~0)|)) (.cse2 (and (<= ~a18~0 |old(~a18~0)|) .cse9 .cse10 .cse11)) (.cse3 (not (= 8 |old(~a12~0)|))) (.cse6 (= 4 |old(~a15~0)|)) (.cse0 (and .cse9 .cse10 (= ~a18~0 |old(~a18~0)|) .cse11)) (.cse7 (not (= 7 |old(~a12~0)|))) (.cse4 (not .cse5))) (and (or (< |old(~a12~0)| 9) .cse0 .cse1) (or .cse2 .cse3 .cse4) (or (< 6 |old(~a12~0)|) .cse5 .cse0) (or .cse5 .cse6 .cse1 .cse0) (or .cse2 (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (= |calculate_output_#in~input| 0)) (or (not (= 8 |old(~a16~0)|)) .cse0) (or .cse0 .cse7 .cse4 (< 0 (+ |old(~a18~0)| 156))) (or .cse5 .cse0 .cse6 .cse3) (or (not .cse6) .cse4 .cse0) (or .cse0 .cse7 (forall ((v_prenex_27 Int)) (let ((.cse8 (mod v_prenex_27 299932))) (or (<= 0 v_prenex_27) (= 0 .cse8) (< |old(~a18~0)| (+ .cse8 136))))) .cse4)))) [2018-11-18 17:22:23,073 INFO L425 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,073 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,073 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,073 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,073 INFO L425 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,074 INFO L425 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,074 INFO L425 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,074 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,074 INFO L425 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,074 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 17:22:23,074 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 17:22:23,074 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 17:22:23,074 INFO L425 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,074 INFO L425 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,074 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,074 INFO L425 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,074 INFO L425 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,074 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,074 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,074 INFO L425 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,074 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,074 INFO L425 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,074 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,074 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 17:22:23,074 INFO L425 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,074 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 17:22:23,074 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 17:22:23,074 INFO L425 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,074 INFO L425 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,074 INFO L425 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,074 INFO L425 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,074 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,075 INFO L425 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,075 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-11-18 17:22:23,075 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,075 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,075 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,075 INFO L425 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,075 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,075 INFO L425 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,075 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 17:22:23,075 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 17:22:23,075 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 17:22:23,075 INFO L425 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,075 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,075 INFO L425 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,075 INFO L425 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,075 INFO L425 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,075 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,075 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,075 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,075 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,075 INFO L425 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,075 INFO L425 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,075 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,075 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 17:22:23,075 INFO L425 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,075 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 17:22:23,076 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 17:22:23,076 INFO L425 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,076 INFO L425 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,076 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,076 INFO L425 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,076 INFO L425 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,076 INFO L425 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,076 INFO L425 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,076 INFO L425 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,076 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,076 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,076 INFO L425 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,076 INFO L425 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,076 INFO L425 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-18 17:22:23,076 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 17:22:23,076 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 17:22:23,077 INFO L425 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,077 INFO L425 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,077 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,077 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,077 INFO L425 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,077 INFO L425 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,077 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,077 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,077 INFO L425 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,077 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,077 INFO L425 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,077 INFO L425 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,077 INFO L425 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,077 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 17:22:23,077 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 17:22:23,077 INFO L425 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,077 INFO L425 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,077 INFO L425 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,077 INFO L425 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,078 INFO L425 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,078 INFO L425 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,078 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,078 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,078 INFO L425 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,078 INFO L425 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,078 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 17:22:23,078 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 17:22:23,078 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,078 INFO L425 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,078 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,078 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,078 INFO L425 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,078 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,078 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,078 INFO L425 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,078 INFO L425 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,078 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,078 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,078 INFO L425 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,078 INFO L425 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,078 INFO L425 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,078 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 17:22:23,078 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 17:22:23,078 INFO L425 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,078 INFO L425 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,078 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,079 INFO L425 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,079 INFO L425 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,079 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,079 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,079 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,079 INFO L425 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,079 INFO L425 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,079 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 17:22:23,079 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 17:22:23,079 INFO L425 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,079 INFO L425 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,079 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,079 INFO L425 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,079 INFO L425 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,079 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,079 INFO L425 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,079 INFO L425 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,079 INFO L425 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,079 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,079 INFO L425 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,079 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,079 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,079 INFO L425 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,079 INFO L425 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,079 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 17:22:23,079 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 17:22:23,079 INFO L425 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,079 INFO L425 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,080 INFO L425 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,080 INFO L425 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,080 INFO L425 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,080 INFO L425 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,080 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,080 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,080 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-18 17:22:23,080 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,080 INFO L425 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,080 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,080 INFO L425 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,080 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 17:22:23,080 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 17:22:23,080 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 17:22:23,080 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,080 INFO L425 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,080 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,080 INFO L425 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,080 INFO L425 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,080 INFO L425 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,080 INFO L425 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,080 INFO L425 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,080 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,080 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,080 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,080 INFO L425 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,080 INFO L425 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,081 INFO L425 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,081 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 17:22:23,081 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 17:22:23,081 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 17:22:23,081 INFO L425 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,081 INFO L425 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,081 INFO L425 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,081 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,081 INFO L425 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,081 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,081 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,081 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,081 INFO L425 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,081 INFO L425 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,081 INFO L425 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,081 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,081 INFO L425 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,081 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,081 INFO L425 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,081 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 17:22:23,081 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 17:22:23,081 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 17:22:23,081 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,081 INFO L425 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,081 INFO L425 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,082 INFO L425 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,082 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,082 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,082 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,082 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,082 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:22:23,082 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 17:22:23,082 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 17:22:23,082 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 17:22:23,082 INFO L425 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,082 INFO L425 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,082 INFO L425 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-18 17:22:23,082 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:22:23,082 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse0 (+ ~a18~0 87))) (and (<= .cse0 0) (<= 0 .cse0) (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5))) [2018-11-18 17:22:23,082 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:22:23,083 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:22:23,083 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)|)) (and (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a12~0)| ~a12~0)) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0))) [2018-11-18 17:22:23,083 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 17:22:23,083 INFO L421 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse3 (= 7 ~a12~0)) (.cse0 (not (= ~a16~0 10))) (.cse1 (not (= ~a15~0 4))) (.cse5 (+ |old(~a18~0)| 87)) (.cse2 (not (= ~a16~0 9)))) (or (and (not (= main_~input~0 0)) (= ~a15~0 3) (= ~a12~0 5)) (and .cse0 .cse1 .cse2) (not (= 11 |old(~a16~0)|)) (and (= 8 ~a12~0) .cse1) (= 8 ~a16~0) (not (= 3 |old(~a15~0)|)) (and (= 4 ~a15~0) (= 9 ~a16~0)) (not (= 5 |old(~a12~0)|)) (and .cse0 (<= 9 ~a12~0)) (and .cse3 .cse0 .cse1 (exists ((v_prenex_27 Int)) (let ((.cse4 (mod v_prenex_27 299932))) (and (< v_prenex_27 0) (not (= 0 .cse4)) (<= (+ .cse4 136) ~a18~0))))) (and (<= (+ ~a18~0 156) 0) .cse3 .cse0 .cse1) (< 0 .cse5) (< .cse5 0) (and .cse2 (<= ~a12~0 6)))) [2018-11-18 17:22:23,083 INFO L425 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-18 17:22:23,083 INFO L425 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-18 17:22:23,083 INFO L425 ceAbstractionStarter]: For program point L1773-1(lines 1773 1782) no Hoare annotation was computed. [2018-11-18 17:22:23,083 INFO L421 ceAbstractionStarter]: At program point L1773-3(lines 1773 1782) the Hoare annotation is: (let ((.cse3 (= 7 ~a12~0)) (.cse0 (not (= ~a16~0 10))) (.cse1 (not (= ~a15~0 4))) (.cse5 (+ |old(~a18~0)| 87)) (.cse2 (not (= ~a16~0 9)))) (or (and .cse0 .cse1 .cse2) (not (= 11 |old(~a16~0)|)) (and (= 8 ~a12~0) .cse1) (= 8 ~a16~0) (and (= ~a15~0 3) (= 5 ~a12~0)) (not (= 3 |old(~a15~0)|)) (and (= 4 ~a15~0) (= 9 ~a16~0)) (not (= 5 |old(~a12~0)|)) (and .cse0 (<= 9 ~a12~0)) (and .cse3 .cse0 .cse1 (exists ((v_prenex_27 Int)) (let ((.cse4 (mod v_prenex_27 299932))) (and (< v_prenex_27 0) (not (= 0 .cse4)) (<= (+ .cse4 136) ~a18~0))))) (and (<= (+ ~a18~0 156) 0) .cse3 .cse0 .cse1) (< 0 .cse5) (< .cse5 0) (and .cse2 (<= ~a12~0 6)))) [2018-11-18 17:22:23,083 INFO L425 ceAbstractionStarter]: For program point L1773-4(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 17:22:23,087 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-11-18 17:22:23,087 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-11-18 17:22:23,088 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-11-18 17:22:23,092 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-11-18 17:22:23,092 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-11-18 17:22:23,092 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-11-18 17:22:23,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:22:23 BoogieIcfgContainer [2018-11-18 17:22:23,095 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:22:23,095 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:22:23,095 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:22:23,095 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:22:23,096 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:15:23" (3/4) ... [2018-11-18 17:22:23,099 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:22:23,104 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:22:23,104 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-18 17:22:23,104 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 17:22:23,104 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:22:23,126 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 17:22:23,127 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 17:22:23,171 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!(a16 == 10) && !(a15 == 4)) && !(a16 == 9)) || !(11 == \old(a16))) || (8 == a12 && !(a15 == 4))) || 8 == a16) || (a15 == 3 && 5 == a12)) || !(3 == \old(a15))) || (4 == a15 && 9 == a16)) || !(5 == \old(a12))) || (!(a16 == 10) && 9 <= a12)) || (((7 == a12 && !(a16 == 10)) && !(a15 == 4)) && (\exists v_prenex_27 : int :: (v_prenex_27 < 0 && !(0 == v_prenex_27 % 299932)) && v_prenex_27 % 299932 + 136 <= a18))) || (((a18 + 156 <= 0 && 7 == a12) && !(a16 == 10)) && !(a15 == 4))) || 0 < \old(a18) + 87) || \old(a18) + 87 < 0) || (!(a16 == 9) && a12 <= 6) [2018-11-18 17:22:23,313 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_79f40704-906e-41f8-a4f7-2d4fb03b6e2f/bin-2019/utaipan/witness.graphml [2018-11-18 17:22:23,313 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:22:23,314 INFO L168 Benchmark]: Toolchain (without parser) took 422753.31 ms. Allocated memory was 1.0 GB in the beginning and 5.5 GB in the end (delta: 4.5 GB). Free memory was 948.5 MB in the beginning and 4.4 GB in the end (delta: -3.5 GB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-18 17:22:23,314 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:22:23,315 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.57 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 876.0 MB in the end (delta: 72.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:22:23,315 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 876.0 MB in the beginning and 1.2 GB in the end (delta: -292.5 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:22:23,315 INFO L168 Benchmark]: Boogie Preprocessor took 71.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:22:23,315 INFO L168 Benchmark]: RCFGBuilder took 1706.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 911.3 MB in the end (delta: 246.0 MB). Peak memory consumption was 246.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:22:23,315 INFO L168 Benchmark]: TraceAbstraction took 419944.29 ms. Allocated memory was 1.2 GB in the beginning and 5.5 GB in the end (delta: 4.3 GB). Free memory was 911.3 MB in the beginning and 4.5 GB in the end (delta: -3.6 GB). Peak memory consumption was 4.6 GB. Max. memory is 11.5 GB. [2018-11-18 17:22:23,316 INFO L168 Benchmark]: Witness Printer took 218.43 ms. Allocated memory is still 5.5 GB. Free memory was 4.5 GB in the beginning and 4.4 GB in the end (delta: 80.4 MB). Peak memory consumption was 80.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:22:23,317 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 706.57 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 876.0 MB in the end (delta: 72.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 102.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 876.0 MB in the beginning and 1.2 GB in the end (delta: -292.5 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1706.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 911.3 MB in the end (delta: 246.0 MB). Peak memory consumption was 246.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 419944.29 ms. Allocated memory was 1.2 GB in the beginning and 5.5 GB in the end (delta: 4.3 GB). Free memory was 911.3 MB in the beginning and 4.5 GB in the end (delta: -3.6 GB). Peak memory consumption was 4.6 GB. Max. memory is 11.5 GB. * Witness Printer took 218.43 ms. Allocated memory is still 5.5 GB. Free memory was 4.5 GB in the beginning and 4.4 GB in the end (delta: 80.4 MB). Peak memory consumption was 80.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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 [2018-11-18 17:22:23,321 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-11-18 17:22:23,321 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-11-18 17:22:23,321 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-11-18 17:22:23,325 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-11-18 17:22:23,326 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-11-18 17:22:23,326 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] Derived loop invariant: ((((((((((((((!(a16 == 10) && !(a15 == 4)) && !(a16 == 9)) || !(11 == \old(a16))) || (8 == a12 && !(a15 == 4))) || 8 == a16) || (a15 == 3 && 5 == a12)) || !(3 == \old(a15))) || (4 == a15 && 9 == a16)) || !(5 == \old(a12))) || (!(a16 == 10) && 9 <= a12)) || (((7 == a12 && !(a16 == 10)) && !(a15 == 4)) && (\exists v_prenex_27 : int :: (v_prenex_27 < 0 && !(0 == v_prenex_27 % 299932)) && v_prenex_27 % 299932 + 136 <= a18))) || (((a18 + 156 <= 0 && 7 == a12) && !(a16 == 10)) && !(a15 == 4))) || 0 < \old(a18) + 87) || \old(a18) + 87 < 0) || (!(a16 == 9) && a12 <= 6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. SAFE Result, 419.8s OverallTime, 20 OverallIterations, 13 TraceHistogramMax, 337.0s AutomataDifference, 0.0s DeadEndRemovalTime, 13.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 4411 SDtfs, 77830 SDslu, 7116 SDs, 0 SdLazy, 135722 SolverSat, 13618 SolverUnsat, 45 SolverUnknown, 0 SolverNotchecked, 297.2s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 39968 GetRequests, 39266 SyntacticMatches, 45 SemanticMatches, 657 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18250 ImplicationChecksByTransitivity, 13.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26642occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 9.9s AbstIntTime, 17 AbstIntIterations, 4 AbstIntStrong, 0.9977867587822021 AbsIntWeakeningRatio, 0.07122982749026155 AbsIntAvgWeakeningVarsNumRemoved, 15.92821368948247 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 20 MinimizatonAttempts, 10594 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1821 PreInvPairs, 4334 NumberOfFragments, 1820 HoareAnnotationTreeSize, 1821 FomulaSimplifications, 628511 FormulaSimplificationTreeSizeReduction, 3.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 436061 FormulaSimplificationTreeSizeReductionInter, 9.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.7s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 26.6s InterpolantComputationTime, 39371 NumberOfCodeBlocks, 39371 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 57921 ConstructedInterpolants, 56 QuantifiedInterpolants, 315474426 SizeOfPredicates, 15 NumberOfNonLiveVariables, 24000 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 46 InterpolantComputations, 11 PerfectInterpolantSequences, 157537/181423 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...