./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label12_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b2702f83-b917-471d-9aa8-a06587b6d819/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b2702f83-b917-471d-9aa8-a06587b6d819/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b2702f83-b917-471d-9aa8-a06587b6d819/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b2702f83-b917-471d-9aa8-a06587b6d819/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label12_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b2702f83-b917-471d-9aa8-a06587b6d819/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b2702f83-b917-471d-9aa8-a06587b6d819/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 b5c6b8316fe3005137d926d381b455230e5ce2ce .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 02:14:05,705 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 02:14:05,706 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 02:14:05,712 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 02:14:05,712 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 02:14:05,713 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 02:14:05,714 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 02:14:05,715 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 02:14:05,716 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 02:14:05,717 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 02:14:05,717 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 02:14:05,717 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 02:14:05,718 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 02:14:05,718 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 02:14:05,719 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 02:14:05,719 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 02:14:05,720 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 02:14:05,721 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 02:14:05,722 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 02:14:05,722 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 02:14:05,723 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 02:14:05,724 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 02:14:05,725 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 02:14:05,725 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 02:14:05,725 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 02:14:05,726 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 02:14:05,726 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 02:14:05,727 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 02:14:05,727 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 02:14:05,728 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 02:14:05,728 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 02:14:05,728 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 02:14:05,728 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 02:14:05,728 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 02:14:05,729 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 02:14:05,729 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 02:14:05,729 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b2702f83-b917-471d-9aa8-a06587b6d819/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 02:14:05,736 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 02:14:05,736 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 02:14:05,737 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 02:14:05,737 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 02:14:05,737 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 02:14:05,738 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 02:14:05,738 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 02:14:05,738 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 02:14:05,738 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 02:14:05,738 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 02:14:05,738 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 02:14:05,738 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 02:14:05,739 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 02:14:05,739 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 02:14:05,739 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 02:14:05,739 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 02:14:05,740 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 02:14:05,740 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 02:14:05,740 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 02:14:05,740 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 02:14:05,740 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 02:14:05,740 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 02:14:05,740 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 02:14:05,741 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 02:14:05,741 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 02:14:05,741 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 02:14:05,741 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 02:14:05,741 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 02:14:05,741 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 02:14:05,741 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 02:14:05,742 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 02:14:05,742 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 02:14:05,742 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 02:14:05,742 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 02:14:05,742 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 02:14:05,742 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 02:14:05,742 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_b2702f83-b917-471d-9aa8-a06587b6d819/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 -> b5c6b8316fe3005137d926d381b455230e5ce2ce [2018-12-02 02:14:05,760 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 02:14:05,768 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 02:14:05,770 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 02:14:05,770 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 02:14:05,771 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 02:14:05,771 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b2702f83-b917-471d-9aa8-a06587b6d819/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label12_true-unreach-call.c [2018-12-02 02:14:05,807 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b2702f83-b917-471d-9aa8-a06587b6d819/bin-2019/utaipan/data/09d5542f3/84fec0ce488745778fc116f565b7328b/FLAG424094f55 [2018-12-02 02:14:06,253 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 02:14:06,253 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b2702f83-b917-471d-9aa8-a06587b6d819/sv-benchmarks/c/eca-rers2012/Problem16_label12_true-unreach-call.c [2018-12-02 02:14:06,262 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b2702f83-b917-471d-9aa8-a06587b6d819/bin-2019/utaipan/data/09d5542f3/84fec0ce488745778fc116f565b7328b/FLAG424094f55 [2018-12-02 02:14:06,271 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b2702f83-b917-471d-9aa8-a06587b6d819/bin-2019/utaipan/data/09d5542f3/84fec0ce488745778fc116f565b7328b [2018-12-02 02:14:06,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 02:14:06,274 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 02:14:06,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 02:14:06,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 02:14:06,277 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 02:14:06,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:14:06" (1/1) ... [2018-12-02 02:14:06,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a8209d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:06, skipping insertion in model container [2018-12-02 02:14:06,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:14:06" (1/1) ... [2018-12-02 02:14:06,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 02:14:06,317 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 02:14:06,612 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:14:06,615 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 02:14:06,791 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:14:06,801 INFO L195 MainTranslator]: Completed translation [2018-12-02 02:14:06,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:06 WrapperNode [2018-12-02 02:14:06,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 02:14:06,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 02:14:06,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 02:14:06,802 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 02:14:06,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:06" (1/1) ... [2018-12-02 02:14:06,822 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:06" (1/1) ... [2018-12-02 02:14:06,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 02:14:06,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 02:14:06,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 02:14:06,827 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 02:14:06,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:06" (1/1) ... [2018-12-02 02:14:06,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:06" (1/1) ... [2018-12-02 02:14:06,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:06" (1/1) ... [2018-12-02 02:14:06,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:06" (1/1) ... [2018-12-02 02:14:06,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:06" (1/1) ... [2018-12-02 02:14:06,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:06" (1/1) ... [2018-12-02 02:14:06,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:06" (1/1) ... [2018-12-02 02:14:06,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 02:14:06,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 02:14:06,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 02:14:06,887 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 02:14:06,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2702f83-b917-471d-9aa8-a06587b6d819/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 [2018-12-02 02:14:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 02:14:06,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 02:14:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-02 02:14:06,926 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-02 02:14:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 02:14:06,927 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 02:14:06,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 02:14:06,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 02:14:06,927 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 02:14:06,927 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 02:14:08,209 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 02:14:08,210 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 02:14:08,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:14:08 BoogieIcfgContainer [2018-12-02 02:14:08,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 02:14:08,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 02:14:08,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 02:14:08,214 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 02:14:08,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:14:06" (1/3) ... [2018-12-02 02:14:08,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b896b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:14:08, skipping insertion in model container [2018-12-02 02:14:08,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:06" (2/3) ... [2018-12-02 02:14:08,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b896b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:14:08, skipping insertion in model container [2018-12-02 02:14:08,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:14:08" (3/3) ... [2018-12-02 02:14:08,217 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label12_true-unreach-call.c [2018-12-02 02:14:08,225 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 02:14:08,232 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 02:14:08,244 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 02:14:08,266 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 02:14:08,266 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 02:14:08,266 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 02:14:08,266 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 02:14:08,267 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 02:14:08,267 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 02:14:08,267 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 02:14:08,267 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 02:14:08,284 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-02 02:14:08,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 02:14:08,288 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:14:08,289 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:14:08,290 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:14:08,294 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:14:08,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1524372618, now seen corresponding path program 1 times [2018-12-02 02:14:08,296 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:14:08,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:14:08,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:14:08,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:14:08,328 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:14:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:14:08,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:14:08,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:14:08,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 02:14:08,466 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:14:08,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 02:14:08,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 02:14:08,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 02:14:08,479 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-12-02 02:14:09,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:14:09,634 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-12-02 02:14:09,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 02:14:09,635 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2018-12-02 02:14:09,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:14:09,645 INFO L225 Difference]: With dead ends: 1153 [2018-12-02 02:14:09,646 INFO L226 Difference]: Without dead ends: 682 [2018-12-02 02:14:09,650 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 02:14:09,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2018-12-02 02:14:09,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2018-12-02 02:14:09,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-12-02 02:14:09,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1184 transitions. [2018-12-02 02:14:09,708 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1184 transitions. Word has length 45 [2018-12-02 02:14:09,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:14:09,708 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 1184 transitions. [2018-12-02 02:14:09,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 02:14:09,708 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1184 transitions. [2018-12-02 02:14:09,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-02 02:14:09,712 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:14:09,712 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:14:09,712 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:14:09,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:14:09,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1650431575, now seen corresponding path program 1 times [2018-12-02 02:14:09,713 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:14:09,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:14:09,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:14:09,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:14:09,714 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:14:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:14:09,816 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:14:09,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:14:09,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 02:14:09,816 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:14:09,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 02:14:09,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 02:14:09,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 02:14:09,818 INFO L87 Difference]: Start difference. First operand 682 states and 1184 transitions. Second operand 5 states. [2018-12-02 02:14:11,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:14:11,137 INFO L93 Difference]: Finished difference Result 2066 states and 3624 transitions. [2018-12-02 02:14:11,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 02:14:11,138 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 114 [2018-12-02 02:14:11,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:14:11,142 INFO L225 Difference]: With dead ends: 2066 [2018-12-02 02:14:11,143 INFO L226 Difference]: Without dead ends: 1390 [2018-12-02 02:14:11,144 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 02:14:11,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1390 states. [2018-12-02 02:14:11,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1390 to 1372. [2018-12-02 02:14:11,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1372 states. [2018-12-02 02:14:11,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 2268 transitions. [2018-12-02 02:14:11,169 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 2268 transitions. Word has length 114 [2018-12-02 02:14:11,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:14:11,169 INFO L480 AbstractCegarLoop]: Abstraction has 1372 states and 2268 transitions. [2018-12-02 02:14:11,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 02:14:11,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 2268 transitions. [2018-12-02 02:14:11,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-02 02:14:11,170 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:14:11,170 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:14:11,171 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:14:11,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:14:11,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1950133058, now seen corresponding path program 1 times [2018-12-02 02:14:11,171 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:14:11,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:14:11,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:14:11,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:14:11,172 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:14:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:14:11,268 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:14:11,268 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:14:11,268 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 02:14:11,268 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:14:11,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 02:14:11,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 02:14:11,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 02:14:11,269 INFO L87 Difference]: Start difference. First operand 1372 states and 2268 transitions. Second operand 6 states. [2018-12-02 02:14:12,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:14:12,579 INFO L93 Difference]: Finished difference Result 3472 states and 5791 transitions. [2018-12-02 02:14:12,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 02:14:12,579 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2018-12-02 02:14:12,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:14:12,589 INFO L225 Difference]: With dead ends: 3472 [2018-12-02 02:14:12,589 INFO L226 Difference]: Without dead ends: 2106 [2018-12-02 02:14:12,592 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 02:14:12,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2106 states. [2018-12-02 02:14:12,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2106 to 2081. [2018-12-02 02:14:12,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2081 states. [2018-12-02 02:14:12,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 3263 transitions. [2018-12-02 02:14:12,628 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 3263 transitions. Word has length 143 [2018-12-02 02:14:12,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:14:12,628 INFO L480 AbstractCegarLoop]: Abstraction has 2081 states and 3263 transitions. [2018-12-02 02:14:12,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 02:14:12,628 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 3263 transitions. [2018-12-02 02:14:12,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-02 02:14:12,630 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:14:12,630 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:14:12,630 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:14:12,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:14:12,630 INFO L82 PathProgramCache]: Analyzing trace with hash 903433606, now seen corresponding path program 1 times [2018-12-02 02:14:12,630 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:14:12,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:14:12,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:14:12,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:14:12,631 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:14:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:14:12,716 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:14:12,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:14:12,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 02:14:12,716 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:14:12,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 02:14:12,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 02:14:12,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 02:14:12,717 INFO L87 Difference]: Start difference. First operand 2081 states and 3263 transitions. Second operand 6 states. [2018-12-02 02:14:13,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:14:13,989 INFO L93 Difference]: Finished difference Result 5241 states and 8253 transitions. [2018-12-02 02:14:13,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 02:14:13,989 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161 [2018-12-02 02:14:13,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:14:13,997 INFO L225 Difference]: With dead ends: 5241 [2018-12-02 02:14:13,997 INFO L226 Difference]: Without dead ends: 3166 [2018-12-02 02:14:13,999 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 02:14:14,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3166 states. [2018-12-02 02:14:14,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3166 to 3140. [2018-12-02 02:14:14,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3140 states. [2018-12-02 02:14:14,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 3140 states and 4128 transitions. [2018-12-02 02:14:14,042 INFO L78 Accepts]: Start accepts. Automaton has 3140 states and 4128 transitions. Word has length 161 [2018-12-02 02:14:14,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:14:14,043 INFO L480 AbstractCegarLoop]: Abstraction has 3140 states and 4128 transitions. [2018-12-02 02:14:14,043 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 02:14:14,043 INFO L276 IsEmpty]: Start isEmpty. Operand 3140 states and 4128 transitions. [2018-12-02 02:14:14,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-12-02 02:14:14,045 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:14:14,045 INFO L402 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, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 02:14:14,045 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:14:14,045 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:14:14,045 INFO L82 PathProgramCache]: Analyzing trace with hash 582436338, now seen corresponding path program 1 times [2018-12-02 02:14:14,045 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:14:14,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:14:14,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:14:14,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:14:14,046 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:14:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:14:14,161 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 104 proven. 37 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 02:14:14,162 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:14:14,162 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:14:14,162 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 244 with the following transitions: [2018-12-02 02:14:14,164 INFO L205 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], [447], [449], [452], [460], [468], [476], [484], [492], [500], [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], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 02:14:14,201 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:14:14,201 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:14:14,473 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 02:14:14,474 INFO L272 AbstractInterpreter]: Visited 134 different actions 134 times. Never merged. Never widened. Performed 1263 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1263 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-02 02:14:14,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:14:14,478 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 02:14:14,765 INFO L227 lantSequenceWeakener]: Weakened 234 states. On average, predicates are now at 77.8% of their original sizes. [2018-12-02 02:14:14,765 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 02:14:14,780 INFO L418 sIntCurrentIteration]: We unified 242 AI predicates to 242 [2018-12-02 02:14:14,780 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 02:14:14,781 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 02:14:14,781 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-12-02 02:14:14,781 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:14:14,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 02:14:14,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 02:14:14,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 02:14:14,782 INFO L87 Difference]: Start difference. First operand 3140 states and 4128 transitions. Second operand 6 states. [2018-12-02 02:14:32,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:14:32,334 INFO L93 Difference]: Finished difference Result 6612 states and 8630 transitions. [2018-12-02 02:14:32,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 02:14:32,334 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 243 [2018-12-02 02:14:32,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:14:32,340 INFO L225 Difference]: With dead ends: 6612 [2018-12-02 02:14:32,340 INFO L226 Difference]: Without dead ends: 3478 [2018-12-02 02:14:32,343 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 243 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 02:14:32,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3478 states. [2018-12-02 02:14:32,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3478 to 3477. [2018-12-02 02:14:32,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3477 states. [2018-12-02 02:14:32,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 3477 states and 4473 transitions. [2018-12-02 02:14:32,380 INFO L78 Accepts]: Start accepts. Automaton has 3477 states and 4473 transitions. Word has length 243 [2018-12-02 02:14:32,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:14:32,381 INFO L480 AbstractCegarLoop]: Abstraction has 3477 states and 4473 transitions. [2018-12-02 02:14:32,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 02:14:32,381 INFO L276 IsEmpty]: Start isEmpty. Operand 3477 states and 4473 transitions. [2018-12-02 02:14:32,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-12-02 02:14:32,384 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:14:32,384 INFO L402 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, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:14:32,384 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:14:32,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:14:32,385 INFO L82 PathProgramCache]: Analyzing trace with hash 623450187, now seen corresponding path program 1 times [2018-12-02 02:14:32,385 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:14:32,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:14:32,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:14:32,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:14:32,386 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:14:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:14:32,596 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 184 proven. 115 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-02 02:14:32,597 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:14:32,597 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:14:32,597 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 335 with the following transitions: [2018-12-02 02:14:32,597 INFO L205 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], [447], [449], [452], [460], [468], [476], [484], [492], [500], [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], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 02:14:32,601 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:14:32,601 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:14:32,800 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 02:14:32,800 INFO L272 AbstractInterpreter]: Visited 138 different actions 401 times. Merged at 4 different actions 7 times. Never widened. Performed 4096 root evaluator evaluations with a maximum evaluation depth of 7. Performed 4096 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 02:14:32,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:14:32,802 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 02:14:33,056 INFO L227 lantSequenceWeakener]: Weakened 331 states. On average, predicates are now at 80.4% of their original sizes. [2018-12-02 02:14:33,057 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 02:14:33,093 INFO L418 sIntCurrentIteration]: We unified 333 AI predicates to 333 [2018-12-02 02:14:33,094 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 02:14:33,094 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 02:14:33,094 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-02 02:14:33,094 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:14:33,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 02:14:33,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 02:14:33,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 02:14:33,095 INFO L87 Difference]: Start difference. First operand 3477 states and 4473 transitions. Second operand 10 states. [2018-12-02 02:16:08,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:16:08,768 INFO L93 Difference]: Finished difference Result 7683 states and 9934 transitions. [2018-12-02 02:16:08,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 02:16:08,769 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 334 [2018-12-02 02:16:08,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:16:08,782 INFO L225 Difference]: With dead ends: 7683 [2018-12-02 02:16:08,783 INFO L226 Difference]: Without dead ends: 4549 [2018-12-02 02:16:08,788 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 343 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-02 02:16:08,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4549 states. [2018-12-02 02:16:08,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4549 to 4518. [2018-12-02 02:16:08,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4518 states. [2018-12-02 02:16:08,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 5629 transitions. [2018-12-02 02:16:08,848 INFO L78 Accepts]: Start accepts. Automaton has 4518 states and 5629 transitions. Word has length 334 [2018-12-02 02:16:08,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:16:08,848 INFO L480 AbstractCegarLoop]: Abstraction has 4518 states and 5629 transitions. [2018-12-02 02:16:08,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 02:16:08,849 INFO L276 IsEmpty]: Start isEmpty. Operand 4518 states and 5629 transitions. [2018-12-02 02:16:08,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2018-12-02 02:16:08,854 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:16:08,854 INFO L402 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, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:16:08,854 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:16:08,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:16:08,855 INFO L82 PathProgramCache]: Analyzing trace with hash -799504077, now seen corresponding path program 1 times [2018-12-02 02:16:08,855 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:16:08,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:16:08,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:16:08,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:16:08,856 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:16:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:16:09,030 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 214 proven. 37 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-12-02 02:16:09,031 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:16:09,031 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:16:09,031 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 483 with the following transitions: [2018-12-02 02:16:09,031 INFO L205 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], [447], [449], [452], [460], [468], [476], [484], [492], [500], [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], [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], [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], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 02:16:09,036 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:16:09,036 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:16:09,338 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 02:16:09,338 INFO L272 AbstractInterpreter]: Visited 249 different actions 739 times. Merged at 7 different actions 14 times. Never widened. Performed 8339 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8339 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 02:16:09,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:16:09,347 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 02:16:09,347 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:16:09,347 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2702f83-b917-471d-9aa8-a06587b6d819/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 [2018-12-02 02:16:09,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:16:09,354 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 02:16:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:16:09,446 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:16:09,533 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-02 02:16:09,533 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 02:16:09,608 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-02 02:16:09,633 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 02:16:09,633 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-12-02 02:16:09,633 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:16:09,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 02:16:09,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 02:16:09,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 02:16:09,634 INFO L87 Difference]: Start difference. First operand 4518 states and 5629 transitions. Second operand 3 states. [2018-12-02 02:16:10,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:16:10,443 INFO L93 Difference]: Finished difference Result 8693 states and 10913 transitions. [2018-12-02 02:16:10,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 02:16:10,443 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 482 [2018-12-02 02:16:10,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:16:10,451 INFO L225 Difference]: With dead ends: 8693 [2018-12-02 02:16:10,451 INFO L226 Difference]: Without dead ends: 4518 [2018-12-02 02:16:10,456 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 970 GetRequests, 965 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 02:16:10,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4518 states. [2018-12-02 02:16:10,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4518 to 4518. [2018-12-02 02:16:10,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4518 states. [2018-12-02 02:16:10,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 5478 transitions. [2018-12-02 02:16:10,500 INFO L78 Accepts]: Start accepts. Automaton has 4518 states and 5478 transitions. Word has length 482 [2018-12-02 02:16:10,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:16:10,501 INFO L480 AbstractCegarLoop]: Abstraction has 4518 states and 5478 transitions. [2018-12-02 02:16:10,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 02:16:10,501 INFO L276 IsEmpty]: Start isEmpty. Operand 4518 states and 5478 transitions. [2018-12-02 02:16:10,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2018-12-02 02:16:10,507 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:16:10,507 INFO L402 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:16:10,507 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:16:10,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:16:10,507 INFO L82 PathProgramCache]: Analyzing trace with hash -218742454, now seen corresponding path program 1 times [2018-12-02 02:16:10,507 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:16:10,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:16:10,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:16:10,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:16:10,508 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:16:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:16:11,051 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 58 proven. 237 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 02:16:11,051 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:16:11,051 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:16:11,051 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 508 with the following transitions: [2018-12-02 02:16:11,051 INFO L205 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], [447], [449], [452], [460], [468], [476], [484], [492], [500], [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], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 02:16:11,054 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:16:11,054 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:16:11,275 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 02:16:11,275 INFO L272 AbstractInterpreter]: Visited 247 different actions 738 times. Merged at 6 different actions 17 times. Never widened. Performed 8331 root evaluator evaluations with a maximum evaluation depth of 8. Performed 8331 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 02:16:11,278 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:16:11,278 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 02:16:11,526 INFO L227 lantSequenceWeakener]: Weakened 504 states. On average, predicates are now at 80.21% of their original sizes. [2018-12-02 02:16:11,526 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 02:16:11,571 INFO L418 sIntCurrentIteration]: We unified 506 AI predicates to 506 [2018-12-02 02:16:11,571 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 02:16:11,571 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 02:16:11,571 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-12-02 02:16:11,571 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:16:11,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 02:16:11,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 02:16:11,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 02:16:11,572 INFO L87 Difference]: Start difference. First operand 4518 states and 5478 transitions. Second operand 10 states. [2018-12-02 02:16:47,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:16:47,099 INFO L93 Difference]: Finished difference Result 10065 states and 12169 transitions. [2018-12-02 02:16:47,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 02:16:47,099 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 507 [2018-12-02 02:16:47,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:16:47,108 INFO L225 Difference]: With dead ends: 10065 [2018-12-02 02:16:47,108 INFO L226 Difference]: Without dead ends: 5890 [2018-12-02 02:16:47,111 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 516 GetRequests, 498 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-02 02:16:47,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5890 states. [2018-12-02 02:16:47,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5890 to 5879. [2018-12-02 02:16:47,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5879 states. [2018-12-02 02:16:47,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5879 states to 5879 states and 6985 transitions. [2018-12-02 02:16:47,171 INFO L78 Accepts]: Start accepts. Automaton has 5879 states and 6985 transitions. Word has length 507 [2018-12-02 02:16:47,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:16:47,172 INFO L480 AbstractCegarLoop]: Abstraction has 5879 states and 6985 transitions. [2018-12-02 02:16:47,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 02:16:47,172 INFO L276 IsEmpty]: Start isEmpty. Operand 5879 states and 6985 transitions. [2018-12-02 02:16:47,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2018-12-02 02:16:47,182 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:16:47,182 INFO L402 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:16:47,182 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:16:47,182 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:16:47,182 INFO L82 PathProgramCache]: Analyzing trace with hash -928808789, now seen corresponding path program 1 times [2018-12-02 02:16:47,183 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:16:47,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:16:47,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:16:47,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:16:47,183 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:16:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:16:47,434 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 391 proven. 115 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-12-02 02:16:47,435 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:16:47,435 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:16:47,435 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 645 with the following transitions: [2018-12-02 02:16:47,435 INFO L205 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], [447], [449], [452], [460], [468], [476], [484], [492], [500], [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], [856], [857], [860], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 02:16:47,438 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:16:47,438 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:16:47,835 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 02:16:47,835 INFO L272 AbstractInterpreter]: Visited 250 different actions 995 times. Merged at 8 different actions 27 times. Never widened. Performed 11653 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11653 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 02:16:47,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:16:47,836 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 02:16:47,836 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:16:47,836 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2702f83-b917-471d-9aa8-a06587b6d819/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 [2018-12-02 02:16:47,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:16:47,842 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 02:16:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:16:47,926 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:16:48,051 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 691 proven. 2 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-12-02 02:16:48,051 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 02:16:48,236 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 391 proven. 115 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-12-02 02:16:48,252 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 02:16:48,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-02 02:16:48,253 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 02:16:48,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 02:16:48,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 02:16:48,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-02 02:16:48,254 INFO L87 Difference]: Start difference. First operand 5879 states and 6985 transitions. Second operand 9 states. [2018-12-02 02:16:51,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:16:51,436 INFO L93 Difference]: Finished difference Result 13972 states and 17329 transitions. [2018-12-02 02:16:51,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 02:16:51,436 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 644 [2018-12-02 02:16:51,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:16:51,459 INFO L225 Difference]: With dead ends: 13972 [2018-12-02 02:16:51,459 INFO L226 Difference]: Without dead ends: 8436 [2018-12-02 02:16:51,466 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1309 GetRequests, 1291 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-12-02 02:16:51,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8436 states. [2018-12-02 02:16:51,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8436 to 8412. [2018-12-02 02:16:51,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8412 states. [2018-12-02 02:16:51,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8412 states to 8412 states and 10124 transitions. [2018-12-02 02:16:51,557 INFO L78 Accepts]: Start accepts. Automaton has 8412 states and 10124 transitions. Word has length 644 [2018-12-02 02:16:51,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:16:51,557 INFO L480 AbstractCegarLoop]: Abstraction has 8412 states and 10124 transitions. [2018-12-02 02:16:51,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 02:16:51,557 INFO L276 IsEmpty]: Start isEmpty. Operand 8412 states and 10124 transitions. [2018-12-02 02:16:51,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 897 [2018-12-02 02:16:51,566 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:16:51,566 INFO L402 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:16:51,567 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:16:51,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:16:51,567 INFO L82 PathProgramCache]: Analyzing trace with hash -140083625, now seen corresponding path program 1 times [2018-12-02 02:16:51,567 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:16:51,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:16:51,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:16:51,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:16:51,568 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:16:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:16:51,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1427 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2018-12-02 02:16:51,881 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:16:51,882 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 02:16:51,882 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:16:51,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 02:16:51,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 02:16:51,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 02:16:51,882 INFO L87 Difference]: Start difference. First operand 8412 states and 10124 transitions. Second operand 3 states. [2018-12-02 02:16:53,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:16:53,534 INFO L93 Difference]: Finished difference Result 21656 states and 26939 transitions. [2018-12-02 02:16:53,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 02:16:53,534 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 896 [2018-12-02 02:16:53,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:16:53,557 INFO L225 Difference]: With dead ends: 21656 [2018-12-02 02:16:53,557 INFO L226 Difference]: Without dead ends: 13189 [2018-12-02 02:16:53,570 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 02:16:53,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13189 states. [2018-12-02 02:16:53,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13189 to 13189. [2018-12-02 02:16:53,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13189 states. [2018-12-02 02:16:53,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13189 states to 13189 states and 14772 transitions. [2018-12-02 02:16:53,700 INFO L78 Accepts]: Start accepts. Automaton has 13189 states and 14772 transitions. Word has length 896 [2018-12-02 02:16:53,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:16:53,701 INFO L480 AbstractCegarLoop]: Abstraction has 13189 states and 14772 transitions. [2018-12-02 02:16:53,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 02:16:53,701 INFO L276 IsEmpty]: Start isEmpty. Operand 13189 states and 14772 transitions. [2018-12-02 02:16:53,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 981 [2018-12-02 02:16:53,712 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:16:53,713 INFO L402 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:16:53,713 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:16:53,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:16:53,713 INFO L82 PathProgramCache]: Analyzing trace with hash -2088386945, now seen corresponding path program 1 times [2018-12-02 02:16:53,713 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:16:53,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:16:53,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:16:53,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:16:53,714 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:16:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:16:54,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1558 backedges. 878 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-12-02 02:16:54,268 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:16:54,268 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:16:54,268 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 981 with the following transitions: [2018-12-02 02:16:54,268 INFO L205 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], [447], [449], [452], [460], [468], [476], [484], [492], [500], [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], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1393], [1397], [1401], [1405], [1409], [1412], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 02:16:54,270 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:16:54,270 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:16:54,501 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 02:16:54,501 INFO L272 AbstractInterpreter]: Visited 265 different actions 782 times. Merged at 4 different actions 7 times. Never widened. Performed 9199 root evaluator evaluations with a maximum evaluation depth of 9. Performed 9199 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 02:16:54,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:16:54,502 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 02:16:54,991 INFO L227 lantSequenceWeakener]: Weakened 977 states. On average, predicates are now at 80.15% of their original sizes. [2018-12-02 02:16:54,991 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 02:16:55,027 INFO L418 sIntCurrentIteration]: We unified 979 AI predicates to 979 [2018-12-02 02:16:55,027 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 02:16:55,027 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 02:16:55,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-12-02 02:16:55,027 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:16:55,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 02:16:55,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 02:16:55,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 02:16:55,028 INFO L87 Difference]: Start difference. First operand 13189 states and 14772 transitions. Second operand 9 states. [2018-12-02 02:17:53,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:17:53,860 INFO L93 Difference]: Finished difference Result 26044 states and 29209 transitions. [2018-12-02 02:17:53,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 02:17:53,860 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 980 [2018-12-02 02:17:53,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:17:53,879 INFO L225 Difference]: With dead ends: 26044 [2018-12-02 02:17:53,879 INFO L226 Difference]: Without dead ends: 13198 [2018-12-02 02:17:53,892 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 986 GetRequests, 972 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-02 02:17:53,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13198 states. [2018-12-02 02:17:53,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13198 to 13191. [2018-12-02 02:17:53,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13191 states. [2018-12-02 02:17:54,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13191 states to 13191 states and 14771 transitions. [2018-12-02 02:17:54,012 INFO L78 Accepts]: Start accepts. Automaton has 13191 states and 14771 transitions. Word has length 980 [2018-12-02 02:17:54,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:17:54,012 INFO L480 AbstractCegarLoop]: Abstraction has 13191 states and 14771 transitions. [2018-12-02 02:17:54,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 02:17:54,012 INFO L276 IsEmpty]: Start isEmpty. Operand 13191 states and 14771 transitions. [2018-12-02 02:17:54,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1015 [2018-12-02 02:17:54,023 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:17:54,023 INFO L402 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, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:17:54,023 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:17:54,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:17:54,023 INFO L82 PathProgramCache]: Analyzing trace with hash -499504041, now seen corresponding path program 1 times [2018-12-02 02:17:54,023 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:17:54,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:17:54,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:17:54,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:17:54,024 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:17:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:17:54,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 953 proven. 2 refuted. 0 times theorem prover too weak. 1033 trivial. 0 not checked. [2018-12-02 02:17:54,581 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:17:54,581 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:17:54,581 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1015 with the following transitions: [2018-12-02 02:17:54,581 INFO L205 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], [447], [449], [452], [460], [468], [476], [484], [492], [500], [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], [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], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 02:17:54,583 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:17:54,584 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:17:55,005 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 02:17:55,006 INFO L272 AbstractInterpreter]: Visited 267 different actions 1074 times. Merged at 10 different actions 38 times. Never widened. Performed 12744 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12744 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 02:17:55,007 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:17:55,007 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 02:17:55,007 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:17:55,007 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2702f83-b917-471d-9aa8-a06587b6d819/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 [2018-12-02 02:17:55,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:17:55,013 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 02:17:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:17:55,121 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:17:55,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 953 proven. 2 refuted. 0 times theorem prover too weak. 1033 trivial. 0 not checked. [2018-12-02 02:17:55,403 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 02:17:55,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 953 proven. 2 refuted. 0 times theorem prover too weak. 1033 trivial. 0 not checked. [2018-12-02 02:17:55,830 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 02:17:55,831 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-02 02:17:55,831 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 02:17:55,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 02:17:55,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 02:17:55,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-02 02:17:55,832 INFO L87 Difference]: Start difference. First operand 13191 states and 14771 transitions. Second operand 9 states. [2018-12-02 02:17:58,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:17:58,453 INFO L93 Difference]: Finished difference Result 32614 states and 37267 transitions. [2018-12-02 02:17:58,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 02:17:58,454 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1014 [2018-12-02 02:17:58,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:17:58,481 INFO L225 Difference]: With dead ends: 32614 [2018-12-02 02:17:58,482 INFO L226 Difference]: Without dead ends: 17323 [2018-12-02 02:17:58,500 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2043 GetRequests, 2028 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2018-12-02 02:17:58,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17323 states. [2018-12-02 02:17:58,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17323 to 17247. [2018-12-02 02:17:58,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17247 states. [2018-12-02 02:17:58,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17247 states to 17247 states and 18927 transitions. [2018-12-02 02:17:58,669 INFO L78 Accepts]: Start accepts. Automaton has 17247 states and 18927 transitions. Word has length 1014 [2018-12-02 02:17:58,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:17:58,669 INFO L480 AbstractCegarLoop]: Abstraction has 17247 states and 18927 transitions. [2018-12-02 02:17:58,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 02:17:58,669 INFO L276 IsEmpty]: Start isEmpty. Operand 17247 states and 18927 transitions. [2018-12-02 02:17:58,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1113 [2018-12-02 02:17:58,683 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:17:58,683 INFO L402 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:17:58,683 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:17:58,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:17:58,684 INFO L82 PathProgramCache]: Analyzing trace with hash 2061201735, now seen corresponding path program 1 times [2018-12-02 02:17:58,684 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:17:58,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:17:58,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:17:58,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:17:58,684 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:17:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:17:59,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2113 backedges. 691 proven. 115 refuted. 0 times theorem prover too weak. 1307 trivial. 0 not checked. [2018-12-02 02:17:59,178 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:17:59,178 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:17:59,178 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1113 with the following transitions: [2018-12-02 02:17:59,178 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [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], [776], [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], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-02 02:17:59,181 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:17:59,181 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:18:02,219 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 02:18:02,219 INFO L272 AbstractInterpreter]: Visited 340 different actions 1352 times. Merged at 10 different actions 33 times. Never widened. Performed 16646 root evaluator evaluations with a maximum evaluation depth of 22. Performed 16646 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 12 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-02 02:18:02,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:18:02,222 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 02:18:02,222 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:18:02,222 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2702f83-b917-471d-9aa8-a06587b6d819/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 [2018-12-02 02:18:02,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:18:02,228 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 02:18:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:18:02,344 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:18:02,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2113 backedges. 1376 proven. 2 refuted. 0 times theorem prover too weak. 735 trivial. 0 not checked. [2018-12-02 02:18:02,653 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 02:18:03,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2113 backedges. 691 proven. 115 refuted. 0 times theorem prover too weak. 1307 trivial. 0 not checked. [2018-12-02 02:18:03,058 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 02:18:03,058 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-02 02:18:03,058 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 02:18:03,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 02:18:03,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 02:18:03,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-02 02:18:03,059 INFO L87 Difference]: Start difference. First operand 17247 states and 18927 transitions. Second operand 9 states. [2018-12-02 02:18:05,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:18:05,173 INFO L93 Difference]: Finished difference Result 33327 states and 36193 transitions. [2018-12-02 02:18:05,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 02:18:05,174 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1112 [2018-12-02 02:18:05,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:18:05,198 INFO L225 Difference]: With dead ends: 33327 [2018-12-02 02:18:05,198 INFO L226 Difference]: Without dead ends: 16423 [2018-12-02 02:18:05,217 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2241 GetRequests, 2225 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-12-02 02:18:05,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16423 states. [2018-12-02 02:18:05,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16423 to 13701. [2018-12-02 02:18:05,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13701 states. [2018-12-02 02:18:05,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13701 states to 13701 states and 14501 transitions. [2018-12-02 02:18:05,349 INFO L78 Accepts]: Start accepts. Automaton has 13701 states and 14501 transitions. Word has length 1112 [2018-12-02 02:18:05,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:18:05,349 INFO L480 AbstractCegarLoop]: Abstraction has 13701 states and 14501 transitions. [2018-12-02 02:18:05,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 02:18:05,349 INFO L276 IsEmpty]: Start isEmpty. Operand 13701 states and 14501 transitions. [2018-12-02 02:18:05,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1088 [2018-12-02 02:18:05,360 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:18:05,360 INFO L402 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, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:18:05,360 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:18:05,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:18:05,361 INFO L82 PathProgramCache]: Analyzing trace with hash -62950082, now seen corresponding path program 1 times [2018-12-02 02:18:05,361 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:18:05,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:18:05,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:18:05,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:18:05,361 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:18:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:18:06,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 900 proven. 519 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2018-12-02 02:18:06,098 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:18:06,098 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:18:06,099 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1088 with the following transitions: [2018-12-02 02:18:06,099 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [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], [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], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-02 02:18:06,101 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:18:06,101 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:18:06,715 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 02:18:06,715 INFO L272 AbstractInterpreter]: Visited 340 different actions 1359 times. Merged at 10 different actions 40 times. Widened at 1 different actions 1 times. Performed 16668 root evaluator evaluations with a maximum evaluation depth of 18. Performed 16668 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 02:18:06,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:18:06,718 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 02:18:06,718 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:18:06,718 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2702f83-b917-471d-9aa8-a06587b6d819/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 [2018-12-02 02:18:06,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:18:06,724 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 02:18:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:18:06,835 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:18:07,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 1745 trivial. 0 not checked. [2018-12-02 02:18:07,142 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 02:18:07,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 1745 trivial. 0 not checked. [2018-12-02 02:18:07,457 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 02:18:07,457 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-02 02:18:07,457 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:18:07,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 02:18:07,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 02:18:07,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-02 02:18:07,458 INFO L87 Difference]: Start difference. First operand 13701 states and 14501 transitions. Second operand 3 states. [2018-12-02 02:18:08,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:18:08,064 INFO L93 Difference]: Finished difference Result 27059 states and 28655 transitions. [2018-12-02 02:18:08,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 02:18:08,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1087 [2018-12-02 02:18:08,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:18:08,081 INFO L225 Difference]: With dead ends: 27059 [2018-12-02 02:18:08,081 INFO L226 Difference]: Without dead ends: 13701 [2018-12-02 02:18:08,091 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2188 GetRequests, 2175 SyntacticMatches, 6 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-02 02:18:08,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13701 states. [2018-12-02 02:18:08,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13701 to 13701. [2018-12-02 02:18:08,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13701 states. [2018-12-02 02:18:08,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13701 states to 13701 states and 14381 transitions. [2018-12-02 02:18:08,201 INFO L78 Accepts]: Start accepts. Automaton has 13701 states and 14381 transitions. Word has length 1087 [2018-12-02 02:18:08,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:18:08,201 INFO L480 AbstractCegarLoop]: Abstraction has 13701 states and 14381 transitions. [2018-12-02 02:18:08,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 02:18:08,202 INFO L276 IsEmpty]: Start isEmpty. Operand 13701 states and 14381 transitions. [2018-12-02 02:18:08,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1242 [2018-12-02 02:18:08,214 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:18:08,214 INFO L402 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 02:18:08,214 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:18:08,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:18:08,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1635597650, now seen corresponding path program 1 times [2018-12-02 02:18:08,214 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:18:08,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:18:08,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:18:08,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:18:08,215 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:18:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:18:09,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2741 backedges. 976 proven. 198 refuted. 0 times theorem prover too weak. 1567 trivial. 0 not checked. [2018-12-02 02:18:09,363 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:18:09,363 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:18:09,364 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1242 with the following transitions: [2018-12-02 02:18:09,364 INFO L205 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], [447], [449], [452], [460], [468], [476], [484], [492], [500], [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], [1044], [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], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [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], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 02:18:09,366 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:18:09,366 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:18:10,101 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 02:18:10,101 INFO L272 AbstractInterpreter]: Visited 286 different actions 1146 times. Merged at 9 different actions 34 times. Widened at 1 different actions 1 times. Performed 13826 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13826 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-02 02:18:10,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:18:10,102 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 02:18:10,103 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:18:10,103 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2702f83-b917-471d-9aa8-a06587b6d819/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 [2018-12-02 02:18:10,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:18:10,111 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 02:18:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:18:10,246 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:18:10,684 INFO L134 CoverageAnalysis]: Checked inductivity of 2741 backedges. 1120 proven. 2 refuted. 0 times theorem prover too weak. 1619 trivial. 0 not checked. [2018-12-02 02:18:10,684 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 02:18:11,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2741 backedges. 1120 proven. 2 refuted. 0 times theorem prover too weak. 1619 trivial. 0 not checked. [2018-12-02 02:18:11,196 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 02:18:11,196 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2018-12-02 02:18:11,196 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 02:18:11,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 02:18:11,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 02:18:11,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-12-02 02:18:11,197 INFO L87 Difference]: Start difference. First operand 13701 states and 14381 transitions. Second operand 11 states. [2018-12-02 02:18:15,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:18:15,778 INFO L93 Difference]: Finished difference Result 27673 states and 29536 transitions. [2018-12-02 02:18:15,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-12-02 02:18:15,778 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1241 [2018-12-02 02:18:15,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:18:15,799 INFO L225 Difference]: With dead ends: 27673 [2018-12-02 02:18:15,799 INFO L226 Difference]: Without dead ends: 14315 [2018-12-02 02:18:15,811 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2555 GetRequests, 2506 SyntacticMatches, 3 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 592 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=465, Invalid=1791, Unknown=0, NotChecked=0, Total=2256 [2018-12-02 02:18:15,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14315 states. [2018-12-02 02:18:15,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14315 to 13720. [2018-12-02 02:18:15,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13720 states. [2018-12-02 02:18:15,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13720 states to 13720 states and 14225 transitions. [2018-12-02 02:18:15,940 INFO L78 Accepts]: Start accepts. Automaton has 13720 states and 14225 transitions. Word has length 1241 [2018-12-02 02:18:15,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:18:15,941 INFO L480 AbstractCegarLoop]: Abstraction has 13720 states and 14225 transitions. [2018-12-02 02:18:15,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 02:18:15,941 INFO L276 IsEmpty]: Start isEmpty. Operand 13720 states and 14225 transitions. [2018-12-02 02:18:15,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1265 [2018-12-02 02:18:15,954 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:18:15,955 INFO L402 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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:18:15,955 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:18:15,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:18:15,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1766404845, now seen corresponding path program 1 times [2018-12-02 02:18:15,955 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:18:15,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:18:15,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:18:15,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:18:15,956 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:18:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:18:16,674 INFO L134 CoverageAnalysis]: Checked inductivity of 3796 backedges. 1300 proven. 2 refuted. 0 times theorem prover too weak. 2494 trivial. 0 not checked. [2018-12-02 02:18:16,674 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:18:16,674 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:18:16,674 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1265 with the following transitions: [2018-12-02 02:18:16,674 INFO L205 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], [447], [449], [452], [460], [468], [476], [484], [492], [500], [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], [776], [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], [1044], [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], [1188], [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], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 02:18:16,676 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:18:16,676 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:18:19,532 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 02:18:19,533 INFO L272 AbstractInterpreter]: Visited 254 different actions 1020 times. Merged at 11 different actions 36 times. Never widened. Performed 11936 root evaluator evaluations with a maximum evaluation depth of 22. Performed 11936 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 14 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-02 02:18:19,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:18:19,534 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 02:18:19,534 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:18:19,534 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2702f83-b917-471d-9aa8-a06587b6d819/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 [2018-12-02 02:18:19,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:18:19,540 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 02:18:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:18:19,668 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:18:20,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3796 backedges. 1300 proven. 2 refuted. 0 times theorem prover too weak. 2494 trivial. 0 not checked. [2018-12-02 02:18:20,078 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 02:18:20,652 INFO L134 CoverageAnalysis]: Checked inductivity of 3796 backedges. 1300 proven. 2 refuted. 0 times theorem prover too weak. 2494 trivial. 0 not checked. [2018-12-02 02:18:20,669 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 02:18:20,669 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-02 02:18:20,669 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 02:18:20,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 02:18:20,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 02:18:20,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-02 02:18:20,670 INFO L87 Difference]: Start difference. First operand 13720 states and 14225 transitions. Second operand 9 states. [2018-12-02 02:18:22,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:18:22,627 INFO L93 Difference]: Finished difference Result 31899 states and 33305 transitions. [2018-12-02 02:18:22,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 02:18:22,627 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1264 [2018-12-02 02:18:22,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:18:22,645 INFO L225 Difference]: With dead ends: 31899 [2018-12-02 02:18:22,645 INFO L226 Difference]: Without dead ends: 16454 [2018-12-02 02:18:22,658 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2555 GetRequests, 2533 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-12-02 02:18:22,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16454 states. [2018-12-02 02:18:22,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16454 to 13690. [2018-12-02 02:18:22,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13690 states. [2018-12-02 02:18:22,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13690 states to 13690 states and 14168 transitions. [2018-12-02 02:18:22,778 INFO L78 Accepts]: Start accepts. Automaton has 13690 states and 14168 transitions. Word has length 1264 [2018-12-02 02:18:22,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:18:22,779 INFO L480 AbstractCegarLoop]: Abstraction has 13690 states and 14168 transitions. [2018-12-02 02:18:22,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 02:18:22,779 INFO L276 IsEmpty]: Start isEmpty. Operand 13690 states and 14168 transitions. [2018-12-02 02:18:22,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1362 [2018-12-02 02:18:22,794 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:18:22,795 INFO L402 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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 02:18:22,795 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:18:22,795 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:18:22,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1079807314, now seen corresponding path program 1 times [2018-12-02 02:18:22,796 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:18:22,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:18:22,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:18:22,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:18:22,797 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:18:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:18:23,362 INFO L134 CoverageAnalysis]: Checked inductivity of 3837 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 3512 trivial. 0 not checked. [2018-12-02 02:18:23,362 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:18:23,362 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 02:18:23,362 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:18:23,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 02:18:23,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 02:18:23,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 02:18:23,363 INFO L87 Difference]: Start difference. First operand 13690 states and 14168 transitions. Second operand 4 states. [2018-12-02 02:18:24,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:18:24,362 INFO L93 Difference]: Finished difference Result 27359 states and 28322 transitions. [2018-12-02 02:18:24,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 02:18:24,363 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1361 [2018-12-02 02:18:24,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:18:24,377 INFO L225 Difference]: With dead ends: 27359 [2018-12-02 02:18:24,377 INFO L226 Difference]: Without dead ends: 12632 [2018-12-02 02:18:24,387 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 02:18:24,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12632 states. [2018-12-02 02:18:24,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12632 to 12632. [2018-12-02 02:18:24,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12632 states. [2018-12-02 02:18:24,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12632 states to 12632 states and 12961 transitions. [2018-12-02 02:18:24,487 INFO L78 Accepts]: Start accepts. Automaton has 12632 states and 12961 transitions. Word has length 1361 [2018-12-02 02:18:24,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:18:24,488 INFO L480 AbstractCegarLoop]: Abstraction has 12632 states and 12961 transitions. [2018-12-02 02:18:24,489 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 02:18:24,489 INFO L276 IsEmpty]: Start isEmpty. Operand 12632 states and 12961 transitions. [2018-12-02 02:18:24,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1816 [2018-12-02 02:18:24,510 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:18:24,510 INFO L402 BasicCegarLoop]: trace histogram [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, 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, 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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:18:24,510 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:18:24,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:18:24,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1907666271, now seen corresponding path program 1 times [2018-12-02 02:18:24,511 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:18:24,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:18:24,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:18:24,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:18:24,511 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:18:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:18:27,435 INFO L134 CoverageAnalysis]: Checked inductivity of 6501 backedges. 2386 proven. 1143 refuted. 0 times theorem prover too weak. 2972 trivial. 0 not checked. [2018-12-02 02:18:27,435 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:18:27,435 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:18:27,436 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1816 with the following transitions: [2018-12-02 02:18:27,436 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [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], [776], [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], [1044], [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], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-02 02:18:27,439 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:18:27,439 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:18:30,508 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 02:18:30,508 INFO L272 AbstractInterpreter]: Visited 353 different actions 1409 times. Merged at 11 different actions 38 times. Never widened. Performed 17353 root evaluator evaluations with a maximum evaluation depth of 22. Performed 17353 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 16 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-02 02:18:30,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:18:30,510 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 02:18:30,510 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:18:30,510 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2702f83-b917-471d-9aa8-a06587b6d819/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 [2018-12-02 02:18:30,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:18:30,517 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 02:18:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:18:30,701 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:18:31,772 INFO L134 CoverageAnalysis]: Checked inductivity of 6501 backedges. 2606 proven. 2 refuted. 0 times theorem prover too weak. 3893 trivial. 0 not checked. [2018-12-02 02:18:31,772 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 02:18:33,951 INFO L134 CoverageAnalysis]: Checked inductivity of 6501 backedges. 413 proven. 2475 refuted. 0 times theorem prover too weak. 3613 trivial. 0 not checked. [2018-12-02 02:18:33,967 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 02:18:33,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 25 [2018-12-02 02:18:33,967 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 02:18:33,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-02 02:18:33,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-02 02:18:33,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=500, Unknown=0, NotChecked=0, Total=600 [2018-12-02 02:18:33,969 INFO L87 Difference]: Start difference. First operand 12632 states and 12961 transitions. Second operand 20 states. [2018-12-02 02:18:36,416 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2018-12-02 02:18:41,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:18:41,349 INFO L93 Difference]: Finished difference Result 23280 states and 23965 transitions. [2018-12-02 02:18:41,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-12-02 02:18:41,350 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1815 [2018-12-02 02:18:41,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:18:41,363 INFO L225 Difference]: With dead ends: 23280 [2018-12-02 02:18:41,363 INFO L226 Difference]: Without dead ends: 13027 [2018-12-02 02:18:41,372 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3720 GetRequests, 3654 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1051 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=770, Invalid=3390, Unknown=0, NotChecked=0, Total=4160 [2018-12-02 02:18:41,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13027 states. [2018-12-02 02:18:41,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13027 to 12981. [2018-12-02 02:18:41,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12981 states. [2018-12-02 02:18:41,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12981 states to 12981 states and 13304 transitions. [2018-12-02 02:18:41,479 INFO L78 Accepts]: Start accepts. Automaton has 12981 states and 13304 transitions. Word has length 1815 [2018-12-02 02:18:41,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:18:41,480 INFO L480 AbstractCegarLoop]: Abstraction has 12981 states and 13304 transitions. [2018-12-02 02:18:41,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-02 02:18:41,480 INFO L276 IsEmpty]: Start isEmpty. Operand 12981 states and 13304 transitions. [2018-12-02 02:18:41,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2094 [2018-12-02 02:18:41,502 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:18:41,502 INFO L402 BasicCegarLoop]: trace histogram [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, 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, 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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:18:41,503 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:18:41,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:18:41,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1867526319, now seen corresponding path program 1 times [2018-12-02 02:18:41,503 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:18:41,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:18:41,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:18:41,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:18:41,504 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:18:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:18:47,765 INFO L134 CoverageAnalysis]: Checked inductivity of 7478 backedges. 2746 proven. 1988 refuted. 0 times theorem prover too weak. 2744 trivial. 0 not checked. [2018-12-02 02:18:47,765 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:18:47,765 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:18:47,765 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 2094 with the following transitions: [2018-12-02 02:18:47,766 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [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], [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], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1396], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-02 02:18:47,769 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:18:47,769 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:18:48,716 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 02:18:48,716 INFO L272 AbstractInterpreter]: Visited 353 different actions 1418 times. Merged at 13 different actions 47 times. Widened at 1 different actions 1 times. Performed 17447 root evaluator evaluations with a maximum evaluation depth of 22. Performed 17447 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 16 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-02 02:18:48,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:18:48,722 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 02:18:48,723 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:18:48,723 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2702f83-b917-471d-9aa8-a06587b6d819/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 [2018-12-02 02:18:48,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:18:48,729 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 02:18:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:18:48,933 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:18:49,967 INFO L134 CoverageAnalysis]: Checked inductivity of 7478 backedges. 4310 proven. 2 refuted. 0 times theorem prover too weak. 3166 trivial. 0 not checked. [2018-12-02 02:18:49,967 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 02:18:51,634 INFO L134 CoverageAnalysis]: Checked inductivity of 7478 backedges. 1626 proven. 411 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2018-12-02 02:18:51,650 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 02:18:51,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 5, 5] total 26 [2018-12-02 02:18:51,650 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 02:18:51,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-12-02 02:18:51,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-12-02 02:18:51,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=548, Unknown=0, NotChecked=0, Total=650 [2018-12-02 02:18:51,652 INFO L87 Difference]: Start difference. First operand 12981 states and 13304 transitions. Second operand 24 states. [2018-12-02 02:18:55,371 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2018-12-02 02:18:57,263 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 48 [2018-12-02 02:19:02,406 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2018-12-02 02:19:04,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:19:04,911 INFO L93 Difference]: Finished difference Result 23376 states and 24113 transitions. [2018-12-02 02:19:04,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2018-12-02 02:19:04,911 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 2093 [2018-12-02 02:19:04,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:19:04,926 INFO L225 Difference]: With dead ends: 23376 [2018-12-02 02:19:04,926 INFO L226 Difference]: Without dead ends: 13115 [2018-12-02 02:19:04,935 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4325 GetRequests, 4225 SyntacticMatches, 8 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2625 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=1472, Invalid=7270, Unknown=0, NotChecked=0, Total=8742 [2018-12-02 02:19:04,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13115 states. [2018-12-02 02:19:05,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13115 to 12646. [2018-12-02 02:19:05,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12646 states. [2018-12-02 02:19:05,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12646 states to 12646 states and 12879 transitions. [2018-12-02 02:19:05,045 INFO L78 Accepts]: Start accepts. Automaton has 12646 states and 12879 transitions. Word has length 2093 [2018-12-02 02:19:05,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:19:05,046 INFO L480 AbstractCegarLoop]: Abstraction has 12646 states and 12879 transitions. [2018-12-02 02:19:05,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-12-02 02:19:05,046 INFO L276 IsEmpty]: Start isEmpty. Operand 12646 states and 12879 transitions. [2018-12-02 02:19:05,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2234 [2018-12-02 02:19:05,071 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:19:05,071 INFO L402 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, 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, 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, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:19:05,071 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:19:05,071 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:19:05,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1106029690, now seen corresponding path program 1 times [2018-12-02 02:19:05,072 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:19:05,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:19:05,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:19:05,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:19:05,072 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:19:05,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:19:09,345 INFO L134 CoverageAnalysis]: Checked inductivity of 10107 backedges. 2602 proven. 2145 refuted. 0 times theorem prover too weak. 5360 trivial. 0 not checked. [2018-12-02 02:19:09,345 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:19:09,345 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:19:09,346 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 2234 with the following transitions: [2018-12-02 02:19:09,346 INFO L205 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], [447], [449], [452], [460], [468], [476], [484], [492], [500], [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], [776], [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], [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], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1216], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1532], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 02:19:09,348 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:19:09,348 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:19:12,226 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 02:19:12,226 INFO L272 AbstractInterpreter]: Visited 303 different actions 1218 times. Merged at 11 different actions 38 times. Widened at 1 different actions 1 times. Performed 14646 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14646 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 18 fixpoints after 10 different actions. Largest state had 24 variables. [2018-12-02 02:19:12,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:19:12,227 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 02:19:12,227 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:19:12,227 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2702f83-b917-471d-9aa8-a06587b6d819/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 [2018-12-02 02:19:12,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:19:12,234 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 02:19:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:19:12,453 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:19:13,818 INFO L134 CoverageAnalysis]: Checked inductivity of 10107 backedges. 6722 proven. 6 refuted. 0 times theorem prover too weak. 3379 trivial. 0 not checked. [2018-12-02 02:19:13,818 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 02:19:16,003 INFO L134 CoverageAnalysis]: Checked inductivity of 10107 backedges. 1769 proven. 1344 refuted. 0 times theorem prover too weak. 6994 trivial. 0 not checked. [2018-12-02 02:19:16,020 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 02:19:16,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 28 [2018-12-02 02:19:16,021 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 02:19:16,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-12-02 02:19:16,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-12-02 02:19:16,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=650, Unknown=0, NotChecked=0, Total=756 [2018-12-02 02:19:16,022 INFO L87 Difference]: Start difference. First operand 12646 states and 12879 transitions. Second operand 23 states. [2018-12-02 02:19:31,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:19:31,766 INFO L93 Difference]: Finished difference Result 23292 states and 23771 transitions. [2018-12-02 02:19:31,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2018-12-02 02:19:31,766 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 2233 [2018-12-02 02:19:31,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:19:31,784 INFO L225 Difference]: With dead ends: 23292 [2018-12-02 02:19:31,784 INFO L226 Difference]: Without dead ends: 13717 [2018-12-02 02:19:31,794 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4613 GetRequests, 4513 SyntacticMatches, 5 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2623 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1565, Invalid=7747, Unknown=0, NotChecked=0, Total=9312 [2018-12-02 02:19:31,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13717 states. [2018-12-02 02:19:31,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13717 to 13356. [2018-12-02 02:19:31,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13356 states. [2018-12-02 02:19:31,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13356 states to 13356 states and 13626 transitions. [2018-12-02 02:19:31,926 INFO L78 Accepts]: Start accepts. Automaton has 13356 states and 13626 transitions. Word has length 2233 [2018-12-02 02:19:31,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:19:31,927 INFO L480 AbstractCegarLoop]: Abstraction has 13356 states and 13626 transitions. [2018-12-02 02:19:31,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-12-02 02:19:31,927 INFO L276 IsEmpty]: Start isEmpty. Operand 13356 states and 13626 transitions. [2018-12-02 02:19:31,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2240 [2018-12-02 02:19:31,951 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:19:31,951 INFO L402 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, 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, 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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 02:19:31,952 INFO L423 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:19:31,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:19:31,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1355704378, now seen corresponding path program 1 times [2018-12-02 02:19:31,952 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:19:31,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:19:31,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:19:31,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:19:31,953 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:19:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:19:38,570 INFO L134 CoverageAnalysis]: Checked inductivity of 9742 backedges. 1229 proven. 6086 refuted. 0 times theorem prover too weak. 2427 trivial. 0 not checked. [2018-12-02 02:19:38,571 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:19:38,571 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:19:38,571 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 2240 with the following transitions: [2018-12-02 02:19:38,571 INFO L205 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], [447], [449], [452], [460], [468], [476], [484], [492], [500], [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], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1216], [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], [1396], [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], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 02:19:38,573 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:19:38,573 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:19:39,393 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 02:19:39,393 INFO L272 AbstractInterpreter]: Visited 292 different actions 1174 times. Merged at 11 different actions 38 times. Widened at 1 different actions 1 times. Performed 14183 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14183 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 18 fixpoints after 11 different actions. Largest state had 24 variables. [2018-12-02 02:19:39,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:19:39,394 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 02:19:39,395 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:19:39,395 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2702f83-b917-471d-9aa8-a06587b6d819/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 [2018-12-02 02:19:39,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:19:39,402 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 02:19:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:19:39,639 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:19:40,862 INFO L134 CoverageAnalysis]: Checked inductivity of 9742 backedges. 5371 proven. 2 refuted. 0 times theorem prover too weak. 4369 trivial. 0 not checked. [2018-12-02 02:19:40,862 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 02:19:42,537 INFO L134 CoverageAnalysis]: Checked inductivity of 9742 backedges. 990 proven. 749 refuted. 0 times theorem prover too weak. 8003 trivial. 0 not checked. [2018-12-02 02:19:42,553 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 02:19:42,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 5, 5] total 30 [2018-12-02 02:19:42,554 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 02:19:42,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-12-02 02:19:42,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-12-02 02:19:42,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=743, Unknown=0, NotChecked=0, Total=870 [2018-12-02 02:19:42,556 INFO L87 Difference]: Start difference. First operand 13356 states and 13626 transitions. Second operand 28 states. [2018-12-02 02:19:57,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:19:57,235 INFO L93 Difference]: Finished difference Result 27428 states and 28118 transitions. [2018-12-02 02:19:57,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-12-02 02:19:57,236 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 2239 [2018-12-02 02:19:57,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:19:57,237 INFO L225 Difference]: With dead ends: 27428 [2018-12-02 02:19:57,237 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 02:19:57,259 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4627 GetRequests, 4529 SyntacticMatches, 6 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2886 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1313, Invalid=7429, Unknown=0, NotChecked=0, Total=8742 [2018-12-02 02:19:57,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 02:19:57,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 02:19:57,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 02:19:57,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 02:19:57,260 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2239 [2018-12-02 02:19:57,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:19:57,261 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 02:19:57,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-12-02 02:19:57,261 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 02:19:57,261 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 02:19:57,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 02:19:57,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,892 WARN L180 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 490 [2018-12-02 02:19:57,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:57,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:19:58,841 WARN L180 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 722 DAG size of output: 544 [2018-12-02 02:20:00,680 WARN L180 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 425 DAG size of output: 124 [2018-12-02 02:20:03,039 WARN L180 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 406 DAG size of output: 145 [2018-12-02 02:20:06,180 WARN L180 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 404 DAG size of output: 132 [2018-12-02 02:20:08,735 WARN L180 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 435 DAG size of output: 164 [2018-12-02 02:20:11,379 WARN L180 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 489 DAG size of output: 122 [2018-12-02 02:20:11,381 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 02:20:11,381 INFO L444 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)) [2018-12-02 02:20:11,381 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 02:20:11,381 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,381 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-12-02 02:20:11,382 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,382 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,382 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,382 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,382 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,382 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,382 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,382 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,382 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,382 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,382 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,382 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,382 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,382 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,383 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,383 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,383 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,383 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,383 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,383 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,383 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,383 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,383 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,383 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,383 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,383 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,383 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,384 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse28 (= 8 |old(~a12~0)|))) (let ((.cse32 (= ~a16~0 |old(~a16~0)|)) (.cse20 (= ~a18~0 |old(~a18~0)|)) (.cse26 (= |old(~a16~0)| ~a16~0)) (.cse11 (= ~a16~0 10)) (.cse10 (= |old(~a15~0)| ~a15~0)) (.cse12 (= |old(~a12~0)| ~a12~0)) (.cse7 (not (= 3 |old(~a15~0)|))) (.cse16 (not (= 11 |old(~a16~0)|))) (.cse31 (= 6 |old(~a12~0)|)) (.cse17 (= 4 |old(~a15~0)|)) (.cse14 (not .cse28)) (.cse25 (< 0 (+ |old(~a18~0)| 156)))) (let ((.cse4 (or (= 12 |old(~a16~0)|) .cse17 .cse14 .cse25)) (.cse3 (not .cse31)) (.cse15 (not (= 7 |old(~a12~0)|))) (.cse21 (let ((.cse33 (= 0 |old(~a12~0)|))) (and (or .cse7 (not (= (+ |old(~a18~0)| 87) 0)) .cse33 .cse16) (or .cse7 .cse33 (not (= 0 (mod |old(~a12~0)| 2))) .cse16)))) (.cse9 (< |old(~a16~0)| 12)) (.cse24 (not (= 9 |old(~a12~0)|))) (.cse18 (and .cse11 .cse10 .cse12)) (.cse19 (= ~a16~0 11)) (.cse23 (or .cse7 .cse16)) (.cse29 (< |old(~a12~0)| 6)) (.cse27 (and .cse26 .cse10 .cse12)) (.cse1 (not (= 8 |old(~a16~0)|))) (.cse5 (<= (+ ~a18~0 156) 0)) (.cse13 (not (= 10 |old(~a16~0)|))) (.cse30 (< 7 |old(~a12~0)|)) (.cse0 (not .cse17)) (.cse2 (and .cse10 .cse32 .cse20 .cse12)) (.cse8 (not (= 5 |old(~a12~0)|))) (.cse6 (not (= 9 |old(~a16~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse9 .cse2) (or .cse7 .cse8 (and .cse10 .cse11 .cse12) .cse13) (or .cse0 .cse1 .cse2 .cse14) (or .cse5 .cse13 .cse4) (or .cse0 .cse2 .cse1 .cse15) (or .cse2 (or .cse7 .cse15 .cse16)) (or .cse17 .cse18 .cse14 .cse13) (or (and (and .cse19 (= ~a15~0 3)) .cse20 .cse12) .cse21 .cse3) (or .cse2 .cse1 .cse14 (forall ((v_prenex_4 Int)) (let ((.cse22 (* 5 (div (* 10 v_prenex_4) (- 5))))) (or (< .cse22 0) (< 0 (+ v_prenex_4 79)) (< |old(~a18~0)| (div .cse22 5)))))) (or .cse2 .cse23 .cse24) (or .cse5 .cse15 .cse6 .cse25) (or (and .cse26 .cse20 .cse10 .cse12) (or .cse21 .cse14)) (or .cse1 .cse27 .cse17 .cse28) (or .cse17 .cse29 .cse9 .cse2) (or .cse0 .cse29 .cse2 .cse6) (or .cse0 .cse1 .cse2 .cse24) (or .cse29 .cse18 .cse13 .cse30) (or (and .cse20 .cse19 (= ~a15~0 |old(~a15~0)|) .cse12) .cse23 .cse8) (or .cse0 .cse1 .cse8 .cse2) (or .cse31 .cse29 .cse27 .cse6) (or .cse1 .cse17 .cse28 .cse5 .cse25) (or .cse7 .cse8 (and .cse10 .cse32 .cse12) .cse6) (or .cse0 (and .cse10 .cse20 .cse11 .cse12) .cse13 .cse30) (or .cse0 .cse2 .cse8 .cse6))))) [2018-12-02 02:20:11,384 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,384 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,384 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,384 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,384 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,384 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,384 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,384 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-12-02 02:20:11,384 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,384 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,384 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,384 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,384 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,385 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,385 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,385 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,385 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-12-02 02:20:11,385 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,385 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,385 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,385 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,385 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,385 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,385 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,385 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,385 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,385 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,385 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,385 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,385 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,386 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-02 02:20:11,386 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,386 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-02 02:20:11,386 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-02 02:20:11,386 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse30 (+ |old(~a18~0)| 156)) (.cse29 (= 8 |old(~a12~0)|))) (let ((.cse36 (= 6 |old(~a12~0)|)) (.cse8 (not (= 3 |old(~a15~0)|))) (.cse26 (not (= calculate_output_~input 0))) (.cse13 (= 4 |old(~a15~0)|)) (.cse16 (not .cse29)) (.cse24 (< 0 .cse30)) (.cse33 (= ~a16~0 10)) (.cse27 (= |old(~a15~0)| ~a15~0)) (.cse10 (= ~a16~0 |old(~a16~0)|)) (.cse11 (= ~a18~0 |old(~a18~0)|)) (.cse12 (= |old(~a12~0)| ~a12~0)) (.cse31 (= calculate_output_~input 4))) (let ((.cse3 (not (= 7 |old(~a12~0)|))) (.cse18 (not .cse31)) (.cse2 (and .cse27 .cse10 .cse11 .cse12)) (.cse19 (and .cse33 .cse27 .cse12)) (.cse25 (<= ~a18~0 134)) (.cse32 (not (= 9 |old(~a12~0)|))) (.cse14 (< |old(~a12~0)| 6)) (.cse28 (and (= |old(~a16~0)| ~a16~0) .cse27 .cse12)) (.cse1 (not (= 8 |old(~a16~0)|))) (.cse6 (<= (+ ~a18~0 156) 0)) (.cse5 (or (= 12 |old(~a16~0)|) .cse13 .cse16 .cse24)) (.cse0 (not .cse13)) (.cse20 (not (= 10 |old(~a16~0)|))) (.cse34 (< 7 |old(~a12~0)|)) (.cse22 (and .cse27 .cse26 .cse10 .cse11 .cse12)) (.cse15 (< |old(~a16~0)| 12)) (.cse35 (and (or .cse8 (not (= (+ |old(~a18~0)| 87) 0))) (or .cse8 (not (= 0 (mod |old(~a12~0)| 2)))))) (.cse9 (not (= 11 |old(~a16~0)|))) (.cse4 (not .cse36)) (.cse17 (not (= 5 |old(~a12~0)|))) (.cse23 (= |calculate_output_#in~input| 0)) (.cse7 (not (= 9 |old(~a16~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse5 .cse6 .cse7) (or .cse8 .cse5 .cse9 (and .cse10 (= 3 ~a15~0) (not (= calculate_output_~input 3)) .cse11 .cse12)) (or .cse13 .cse14 .cse2 .cse15) (or .cse0 .cse1 .cse2 .cse16) (or .cse0 (< 0 (+ |old(~a18~0)| 388559)) .cse17 .cse18 .cse7) (or .cse13 .cse19 .cse16 .cse20) (or .cse2 .cse1 .cse16 (forall ((v_prenex_4 Int)) (let ((.cse21 (* 5 (div (* 10 v_prenex_4) (- 5))))) (or (< .cse21 0) (< 0 (+ v_prenex_4 79)) (< |old(~a18~0)| (div .cse21 5)))))) (or .cse22 (or .cse8 .cse3 .cse9 .cse23)) (or .cse6 .cse3 .cse7 .cse24) (or .cse0 .cse4 .cse7 (or .cse25 .cse18)) (or (and .cse11 (and (= ~a16~0 11) .cse26) .cse27 .cse12) (or .cse8 .cse17 .cse9 .cse23)) (or .cse1 .cse28 .cse13 .cse29) (or .cse0 .cse17 .cse2 (and (<= .cse30 0) .cse31) .cse7) (or .cse0 .cse2 .cse14 .cse7) (or .cse0 .cse1 .cse2 .cse32) (or .cse8 .cse17 .cse23 .cse20 (and .cse27 .cse26 .cse33 .cse12)) (or .cse14 .cse19 .cse20 .cse34) (or .cse0 .cse1 .cse17 (and (or (not (= calculate_output_~input 6)) .cse25) .cse27 .cse10 .cse11 .cse12)) (or .cse22 (or .cse8 .cse9 .cse23) .cse32) (or (or .cse35 .cse16 .cse9 .cse23) (and .cse26 .cse10 .cse11 .cse27 .cse12)) (or .cse36 .cse14 .cse28 .cse7) (or .cse1 .cse13 .cse29 .cse6 .cse24) (or .cse26 (or .cse1 .cse8 .cse17) .cse23) (or .cse6 .cse5 .cse20) (or .cse0 (and .cse27 .cse11 .cse33 .cse12) .cse20 .cse34) (or .cse8 .cse17 .cse22 .cse15 .cse23) (or (and (and .cse26 .cse10) .cse11 (= ~a15~0 |old(~a15~0)|) .cse12) (or .cse35 .cse9 .cse23) .cse4) (or .cse8 .cse17 (and .cse27 .cse26 .cse10 .cse12) .cse23 .cse7))))) [2018-12-02 02:20:11,386 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,386 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-12-02 02:20:11,386 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,386 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,387 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,387 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,387 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,387 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,387 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,387 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-02 02:20:11,387 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-02 02:20:11,387 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,387 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-02 02:20:11,387 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,387 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,387 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 124) no Hoare annotation was computed. [2018-12-02 02:20:11,387 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,387 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,387 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,387 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,388 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,388 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,388 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,388 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,388 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,388 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,388 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,388 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,388 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,388 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-02 02:20:11,388 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,388 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-02 02:20:11,388 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-02 02:20:11,388 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,388 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,388 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,389 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,389 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,389 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,389 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,389 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,389 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,389 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,389 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-02 02:20:11,389 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-02 02:20:11,389 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,389 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-02 02:20:11,389 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,389 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,389 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,389 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,389 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,389 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,390 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,390 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,390 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,390 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,390 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,390 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,390 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-02 02:20:11,390 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,390 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-02 02:20:11,390 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-02 02:20:11,390 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,390 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,390 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,390 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,390 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,390 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,391 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,391 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,391 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,391 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,391 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,391 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,391 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-02 02:20:11,391 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,391 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-02 02:20:11,391 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,391 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-02 02:20:11,391 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,391 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,391 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,391 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,391 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,391 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,392 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,392 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,392 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,392 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,392 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,392 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,392 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,392 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-02 02:20:11,392 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-02 02:20:11,392 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-02 02:20:11,392 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,392 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,392 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,392 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,392 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,392 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,392 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,393 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,393 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,393 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,393 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,393 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,393 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-02 02:20:11,393 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,393 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-02 02:20:11,393 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-02 02:20:11,393 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,393 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,393 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,393 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,393 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,393 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,394 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse31 (+ |old(~a18~0)| 156)) (.cse26 (= 8 |old(~a12~0)|))) (let ((.cse30 (= 6 |old(~a12~0)|)) (.cse0 (not (= 3 |old(~a15~0)|))) (.cse1 (= ~a16~0 |old(~a16~0)|)) (.cse2 (= ~a18~0 |old(~a18~0)|)) (.cse19 (= 4 |old(~a15~0)|)) (.cse14 (not .cse26)) (.cse24 (< 0 .cse31)) (.cse32 (= |old(~a16~0)| ~a16~0)) (.cse23 (= ~a16~0 10)) (.cse18 (= |old(~a15~0)| ~a15~0)) (.cse3 (= |old(~a12~0)| ~a12~0))) (let ((.cse12 (not (= 7 |old(~a12~0)|))) (.cse16 (< |old(~a16~0)| 12)) (.cse28 (not (= 9 |old(~a12~0)|))) (.cse20 (and .cse23 .cse18 .cse3)) (.cse27 (< |old(~a12~0)| 6)) (.cse25 (and .cse32 .cse18 .cse3)) (.cse7 (not (= 8 |old(~a16~0)|))) (.cse10 (<= (+ ~a18~0 156) 0)) (.cse4 (or (= 12 |old(~a16~0)|) .cse19 .cse14 .cse24)) (.cse21 (not (= 10 |old(~a16~0)|))) (.cse29 (< 7 |old(~a12~0)|)) (.cse6 (not .cse19)) (.cse15 (not (= 5 |old(~a12~0)|))) (.cse8 (and .cse18 .cse1 .cse2 .cse3)) (.cse11 (not (= 9 |old(~a16~0)|))) (.cse17 (and (or .cse0 (not (= (+ |old(~a18~0)| 87) 0))) (or .cse0 (not (= 0 (mod |old(~a12~0)| 2)))))) (.cse5 (not (= 11 |old(~a16~0)|))) (.cse13 (= |calculate_output_#in~input| 0)) (.cse9 (not .cse30))) (and (or .cse0 (and .cse1 (= 3 ~a15~0) .cse2 .cse3) .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9) (or .cse4 .cse10 .cse11) (or (or .cse0 .cse12 .cse5 .cse13) .cse8) (or .cse6 .cse7 .cse8 .cse14) (or .cse0 .cse15 .cse8 .cse16 .cse13) (or (or .cse17 .cse14 .cse5 .cse13) (and .cse1 .cse2 .cse18 .cse3)) (or .cse6 .cse8 .cse7 .cse12) (or .cse6 (< 0 (+ |old(~a18~0)| 388559)) .cse15 .cse8 .cse11) (or .cse19 .cse20 .cse14 .cse21) (or .cse8 .cse7 .cse14 (forall ((v_prenex_4 Int)) (let ((.cse22 (* 5 (div (* 10 v_prenex_4) (- 5))))) (or (< .cse22 0) (< 0 (+ v_prenex_4 79)) (< |old(~a18~0)| (div .cse22 5)))))) (or .cse0 .cse15 (and .cse18 .cse23 .cse3) .cse13 .cse21) (or (and .cse18 .cse1 .cse3) .cse0 .cse15 .cse13 .cse11) (or .cse10 .cse12 .cse11 .cse24) (or .cse7 .cse25 .cse19 .cse26) (or .cse19 .cse27 .cse16 .cse8) (or .cse8 (or .cse0 .cse5 .cse13) .cse28) (or .cse6 .cse27 .cse8 .cse11) (or (and .cse1 .cse2 (= ~a15~0 |old(~a15~0)|) .cse3) (or .cse0 .cse15 .cse5 .cse13)) (or .cse6 .cse7 .cse8 .cse28) (or .cse27 .cse20 .cse21 .cse29) (or .cse6 .cse7 .cse15 .cse8) (or .cse30 .cse27 .cse25 .cse11) (or .cse7 .cse19 .cse26 .cse10 .cse24) (or .cse10 .cse4 .cse21) (or .cse6 (and .cse18 .cse2 .cse23 .cse3) .cse21 .cse29) (or .cse6 .cse15 (and (<= .cse31 0) (= calculate_output_~input 4)) .cse8 .cse11) (or (or .cse17 .cse5 .cse13) .cse9 (and .cse32 .cse2 .cse18 .cse3)))))) [2018-12-02 02:20:11,394 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,394 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,394 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,394 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,394 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,394 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,394 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,394 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,394 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,394 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-02 02:20:11,394 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-02 02:20:11,395 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-02 02:20:11,395 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,395 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,395 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,395 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,395 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,395 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,395 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,395 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,395 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,395 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,395 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,395 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-02 02:20:11,395 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,395 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-02 02:20:11,395 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-02 02:20:11,395 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,396 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,396 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,396 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,396 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,396 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,396 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,396 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,396 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,396 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,396 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,396 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,396 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-02 02:20:11,396 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-02 02:20:11,396 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-02 02:20:11,396 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,396 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,397 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,397 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,397 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,397 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,397 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,397 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,397 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,397 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,397 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,397 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,397 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-02 02:20:11,397 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,397 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-02 02:20:11,397 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-02 02:20:11,397 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,397 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,397 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,398 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,398 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,398 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,398 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,398 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,398 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,398 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,398 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,398 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,398 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-02 02:20:11,398 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-02 02:20:11,398 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-02 02:20:11,398 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,398 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,398 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,399 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,399 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,399 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,399 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,399 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,399 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,399 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,399 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,399 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,399 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,399 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-02 02:20:11,399 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-02 02:20:11,399 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,399 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,399 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,399 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,400 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,400 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,400 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,400 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,400 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,400 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,400 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-02 02:20:11,400 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-02 02:20:11,400 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,400 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,400 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,400 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,400 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,400 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,400 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,400 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,400 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,401 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,401 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,401 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,401 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,401 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,401 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-02 02:20:11,401 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-02 02:20:11,401 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,401 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,401 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,401 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,401 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,401 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,401 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,401 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,401 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,401 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,401 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-02 02:20:11,402 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-02 02:20:11,402 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,402 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,402 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,402 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,402 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,402 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,402 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,402 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,402 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,402 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,402 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,402 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,402 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,402 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,402 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,403 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-02 02:20:11,403 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-02 02:20:11,403 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,403 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,403 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,403 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,403 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,403 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,403 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,403 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,403 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-02 02:20:11,403 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,403 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,403 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,403 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,403 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-02 02:20:11,403 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-02 02:20:11,403 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-02 02:20:11,404 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,404 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,404 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,404 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,404 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,404 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,404 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,404 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,404 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,404 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,404 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,404 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,404 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,404 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,404 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-02 02:20:11,404 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-02 02:20:11,404 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-02 02:20:11,405 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,405 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,405 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,405 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,405 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,405 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,405 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,405 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,405 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,405 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,405 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,405 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,405 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,405 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,405 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,405 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-02 02:20:11,405 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-02 02:20:11,406 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-02 02:20:11,406 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,406 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,406 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,406 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,406 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,406 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,406 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,406 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,406 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 02:20:11,406 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-02 02:20:11,406 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-02 02:20:11,406 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-02 02:20:11,406 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,406 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,406 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-12-02 02:20:11,406 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 02:20:11,407 INFO L444 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))) [2018-12-02 02:20:11,407 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 02:20:11,407 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 02:20:11,407 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a12~0)| ~a12~0))) [2018-12-02 02:20:11,407 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-12-02 02:20:11,407 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse21 (= ~a12~0 6))) (let ((.cse19 (not .cse21)) (.cse10 (not (= ~a15~0 4))) (.cse23 (+ ~a18~0 156)) (.cse4 (not (= main_~input~0 0))) (.cse28 (= ~a16~0 11)) (.cse5 (= ~a15~0 3))) (let ((.cse7 (= ~a16~0 10)) (.cse13 (<= ~a12~0 7)) (.cse1 (= 5 ~a12~0)) (.cse12 (and .cse4 .cse28 .cse5)) (.cse25 (= ~a12~0 9)) (.cse3 (< 0 .cse23)) (.cse22 (= ~a16~0 |old(~a16~0)|)) (.cse18 (<= 12 ~a16~0)) (.cse24 (= |old(~a15~0)| ~a15~0)) (.cse11 (<= |old(~a18~0)| ~a18~0)) (.cse20 (or (and .cse28 .cse5 (= (mod ~a12~0 2) 0)) (and .cse28 .cse5 (= (+ ~a18~0 87) 0)))) (.cse17 (= 8 ~a12~0)) (.cse0 (= 4 ~a15~0)) (.cse15 (<= 6 ~a12~0)) (.cse9 (= ~a16~0 8)) (.cse16 (and .cse19 .cse10 (not (= ~a16~0 12)))) (.cse8 (= 8 ~a16~0)) (.cse26 (= 7 ~a12~0)) (.cse14 (+ |old(~a18~0)| 87)) (.cse6 (= ~a12~0 5)) (.cse2 (= 9 ~a16~0))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse1) (and .cse9 .cse10 (not (= ~a12~0 8))) (and .cse11 .cse12 (= |old(~a12~0)| ~a12~0)) (and .cse0 .cse13 .cse7) (not (= 3 |old(~a15~0)|)) (< .cse14 0) (and .cse0 .cse2 .cse15) (and (and .cse16 .cse17) .cse7) (and .cse7 .cse13 .cse15) (and (and .cse18 .cse19 .cse10) .cse15) (and .cse17 .cse4 .cse20) (and .cse8 .cse21) (and (and .cse22 (and (<= .cse23 0) .cse17)) .cse24) (and .cse18 .cse24 .cse21) (and .cse0 .cse1 (<= (+ ~a18~0 388559) 0) .cse2) (and .cse25 .cse12) (and .cse8 .cse25) (and (and .cse4 .cse3 .cse26 .cse22) .cse24) (and .cse18 .cse4 .cse6 .cse24) (not (= 5 |old(~a12~0)|)) (and .cse11 (and .cse4 .cse20) .cse21) (and .cse8 .cse17 .cse0) (and .cse2 .cse19 .cse15) (and (and .cse9 .cse16) (exists ((v_prenex_4 Int)) (let ((.cse27 (* 5 (div (* 10 v_prenex_4) (- 5))))) (and (<= 0 .cse27) (<= (+ v_prenex_4 79) 0) (<= (div .cse27 5) ~a18~0))))) (and .cse8 .cse26) (< 0 .cse14) (and .cse4 .cse5 .cse6 .cse2))))) [2018-12-02 02:20:11,407 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-12-02 02:20:11,407 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-12-02 02:20:11,408 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse11 (= ~a12~0 6))) (let ((.cse21 (= ~a12~0 5)) (.cse19 (not .cse11)) (.cse6 (not (= ~a15~0 4))) (.cse27 (not (= ~a16~0 12))) (.cse23 (= ~a16~0 11)) (.cse20 (= ~a15~0 3))) (let ((.cse10 (or (and .cse23 .cse20 (= (mod ~a12~0 2) 0)) (and .cse23 .cse20 (= (+ ~a18~0 87) 0)))) (.cse9 (<= |old(~a18~0)| ~a18~0)) (.cse7 (<= ~a12~0 7)) (.cse16 (= ~a16~0 |old(~a16~0)|)) (.cse18 (<= 12 ~a16~0)) (.cse15 (= |old(~a15~0)| ~a15~0)) (.cse1 (= 5 ~a12~0)) (.cse22 (= ~a12~0 9)) (.cse3 (< 0 (+ ~a18~0 156))) (.cse12 (= 8 ~a12~0)) (.cse0 (= 4 ~a15~0)) (.cse2 (= 9 ~a16~0)) (.cse14 (<= 6 ~a12~0)) (.cse5 (= ~a16~0 8)) (.cse17 (and .cse19 .cse6 .cse27)) (.cse8 (= ~a16~0 10)) (.cse25 (and (and (not (= ~a16~0 0)) .cse20 .cse27 .cse21) (<= |old(~a12~0)| 5))) (.cse4 (= 8 ~a16~0)) (.cse24 (= 7 ~a12~0)) (.cse13 (+ |old(~a18~0)| 87))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1) (and .cse5 .cse6 (not (= ~a12~0 8))) (and .cse0 .cse7 .cse8) (and .cse9 .cse10 .cse11) (not (= 3 |old(~a15~0)|)) (and .cse12 .cse10) (< .cse13 0) (and .cse0 .cse2 .cse14) (and .cse9 .cse15 .cse16 (= |old(~a12~0)| ~a12~0)) (and (and .cse17 .cse12) .cse8) (and .cse8 .cse7 .cse14) (and (and .cse18 .cse19 .cse6) .cse14) (and .cse18 (and .cse20 .cse21)) (and .cse4 .cse11) (and .cse16 .cse22 .cse15) (and .cse18 .cse15 .cse11) (and .cse0 .cse1 (<= (+ ~a18~0 388559) 0) .cse2) (and .cse4 .cse22) (and (and (and .cse23 .cse20) .cse24) .cse3) (not (= 5 |old(~a12~0)|)) (and .cse2 .cse25) (and .cse4 .cse12 .cse0) (and .cse2 .cse19 .cse14) (and (and .cse5 .cse17) (exists ((v_prenex_4 Int)) (let ((.cse26 (* 5 (div (* 10 v_prenex_4) (- 5))))) (and (<= 0 .cse26) (<= (+ v_prenex_4 79) 0) (<= (div .cse26 5) ~a18~0))))) (and .cse8 .cse25) (and .cse4 .cse24) (< 0 .cse13))))) [2018-12-02 02:20:11,408 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-12-02 02:20:11,412 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2018-12-02 02:20:11,412 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2018-12-02 02:20:11,412 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2018-12-02 02:20:11,416 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2018-12-02 02:20:11,416 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2018-12-02 02:20:11,417 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2018-12-02 02:20:11,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:20:11 BoogieIcfgContainer [2018-12-02 02:20:11,419 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 02:20:11,419 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 02:20:11,419 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 02:20:11,419 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 02:20:11,419 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:14:08" (3/4) ... [2018-12-02 02:20:11,422 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 02:20:11,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 02:20:11,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-02 02:20:11,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 02:20:11,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 02:20:11,437 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-02 02:20:11,438 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 02:20:11,457 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((!(11 == \old(a16)) || (((4 == a15 && 5 == a12) && 9 == a16) && 0 < a18 + 156)) || (8 == a16 && 5 == a12)) || ((a16 == 8 && !(a15 == 4)) && !(a12 == 8))) || ((4 == a15 && a12 <= 7) && a16 == 10)) || ((\old(a18) <= a18 && (((a16 == 11 && a15 == 3) && a12 % 2 == 0) || ((a16 == 11 && a15 == 3) && a18 + 87 == 0))) && a12 == 6)) || !(3 == \old(a15))) || (8 == a12 && (((a16 == 11 && a15 == 3) && a12 % 2 == 0) || ((a16 == 11 && a15 == 3) && a18 + 87 == 0)))) || \old(a18) + 87 < 0) || ((4 == a15 && 9 == a16) && 6 <= a12)) || (((\old(a18) <= a18 && \old(a15) == a15) && a16 == \old(a16)) && \old(a12) == a12)) || ((((!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && 8 == a12) && a16 == 10)) || ((a16 == 10 && a12 <= 7) && 6 <= a12)) || (((12 <= a16 && !(a12 == 6)) && !(a15 == 4)) && 6 <= a12)) || (12 <= a16 && a15 == 3 && a12 == 5)) || (8 == a16 && a12 == 6)) || ((a16 == \old(a16) && a12 == 9) && \old(a15) == a15)) || ((12 <= a16 && \old(a15) == a15) && a12 == 6)) || (((4 == a15 && 5 == a12) && a18 + 388559 <= 0) && 9 == a16)) || (8 == a16 && a12 == 9)) || (((a16 == 11 && a15 == 3) && 7 == a12) && 0 < a18 + 156)) || !(5 == \old(a12))) || (9 == a16 && (((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5) && \old(a12) <= 5)) || ((8 == a16 && 8 == a12) && 4 == a15)) || ((9 == a16 && !(a12 == 6)) && 6 <= a12)) || ((a16 == 8 && (!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && (\exists v_prenex_4 : int :: (0 <= 5 * (10 * v_prenex_4 / -5) && v_prenex_4 + 79 <= 0) && 5 * (10 * v_prenex_4 / -5) / 5 <= a18))) || (a16 == 10 && (((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5) && \old(a12) <= 5)) || (8 == a16 && 7 == a12)) || 0 < \old(a18) + 87 [2018-12-02 02:20:11,540 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b2702f83-b917-471d-9aa8-a06587b6d819/bin-2019/utaipan/witness.graphml [2018-12-02 02:20:11,540 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 02:20:11,541 INFO L168 Benchmark]: Toolchain (without parser) took 365267.29 ms. Allocated memory was 1.0 GB in the beginning and 5.4 GB in the end (delta: 4.4 GB). Free memory was 944.3 MB in the beginning and 3.0 GB in the end (delta: -2.1 GB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. [2018-12-02 02:20:11,541 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:20:11,541 INFO L168 Benchmark]: CACSL2BoogieTranslator took 526.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. [2018-12-02 02:20:11,541 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-02 02:20:11,542 INFO L168 Benchmark]: Boogie Preprocessor took 59.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-12-02 02:20:11,542 INFO L168 Benchmark]: RCFGBuilder took 1323.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 850.7 MB in the end (delta: 243.0 MB). Peak memory consumption was 243.0 MB. Max. memory is 11.5 GB. [2018-12-02 02:20:11,542 INFO L168 Benchmark]: TraceAbstraction took 363207.78 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 850.7 MB in the beginning and 3.0 GB in the end (delta: -2.2 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. [2018-12-02 02:20:11,542 INFO L168 Benchmark]: Witness Printer took 121.29 ms. Allocated memory is still 5.4 GB. Free memory was 3.0 GB in the beginning and 3.0 GB in the end (delta: 4.3 kB). Peak memory consumption was 4.3 kB. Max. memory is 11.5 GB. [2018-12-02 02:20:11,543 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 526.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1323.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 850.7 MB in the end (delta: 243.0 MB). Peak memory consumption was 243.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 363207.78 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 850.7 MB in the beginning and 3.0 GB in the end (delta: -2.2 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. * Witness Printer took 121.29 ms. Allocated memory is still 5.4 GB. Free memory was 3.0 GB in the beginning and 3.0 GB in the end (delta: 4.3 kB). Peak memory consumption was 4.3 kB. 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_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 124]: 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 [2018-12-02 02:20:11,545 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2018-12-02 02:20:11,546 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2018-12-02 02:20:11,546 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2018-12-02 02:20:11,546 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2018-12-02 02:20:11,546 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2018-12-02 02:20:11,547 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] Derived loop invariant: (((((((((((((((((((((((((((!(11 == \old(a16)) || (((4 == a15 && 5 == a12) && 9 == a16) && 0 < a18 + 156)) || (8 == a16 && 5 == a12)) || ((a16 == 8 && !(a15 == 4)) && !(a12 == 8))) || ((4 == a15 && a12 <= 7) && a16 == 10)) || ((\old(a18) <= a18 && (((a16 == 11 && a15 == 3) && a12 % 2 == 0) || ((a16 == 11 && a15 == 3) && a18 + 87 == 0))) && a12 == 6)) || !(3 == \old(a15))) || (8 == a12 && (((a16 == 11 && a15 == 3) && a12 % 2 == 0) || ((a16 == 11 && a15 == 3) && a18 + 87 == 0)))) || \old(a18) + 87 < 0) || ((4 == a15 && 9 == a16) && 6 <= a12)) || (((\old(a18) <= a18 && \old(a15) == a15) && a16 == \old(a16)) && \old(a12) == a12)) || ((((!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && 8 == a12) && a16 == 10)) || ((a16 == 10 && a12 <= 7) && 6 <= a12)) || (((12 <= a16 && !(a12 == 6)) && !(a15 == 4)) && 6 <= a12)) || (12 <= a16 && a15 == 3 && a12 == 5)) || (8 == a16 && a12 == 6)) || ((a16 == \old(a16) && a12 == 9) && \old(a15) == a15)) || ((12 <= a16 && \old(a15) == a15) && a12 == 6)) || (((4 == a15 && 5 == a12) && a18 + 388559 <= 0) && 9 == a16)) || (8 == a16 && a12 == 9)) || (((a16 == 11 && a15 == 3) && 7 == a12) && 0 < a18 + 156)) || !(5 == \old(a12))) || (9 == a16 && (((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5) && \old(a12) <= 5)) || ((8 == a16 && 8 == a12) && 4 == a15)) || ((9 == a16 && !(a12 == 6)) && 6 <= a12)) || ((a16 == 8 && (!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && (\exists v_prenex_4 : int :: (0 <= 5 * (10 * v_prenex_4 / -5) && v_prenex_4 + 79 <= 0) && 5 * (10 * v_prenex_4 / -5) / 5 <= a18))) || (a16 == 10 && (((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5) && \old(a12) <= 5)) || (8 == a16 && 7 == a12)) || 0 < \old(a18) + 87 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 363.1s OverallTime, 21 OverallIterations, 13 TraceHistogramMax, 282.7s AutomataDifference, 0.0s DeadEndRemovalTime, 14.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 3426 SDtfs, 44978 SDslu, 4722 SDs, 0 SdLazy, 114413 SolverSat, 8716 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 243.2s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 33278 GetRequests, 32692 SyntacticMatches, 42 SemanticMatches, 544 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10124 ImplicationChecksByTransitivity, 14.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17247occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 17.1s AbstIntTime, 15 AbstIntIterations, 4 AbstIntStrong, 0.9980438793172353 AbsIntWeakeningRatio, 0.062135922330097085 AbsIntAvgWeakeningVarsNumRemoved, 15.77621359223301 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 21 MinimizatonAttempts, 7176 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 2011 PreInvPairs, 2278 NumberOfFragments, 3336 HoareAnnotationTreeSize, 2011 FomulaSimplifications, 351643 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 126677 FormulaSimplificationTreeSizeReductionInter, 12.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 21.3s InterpolantComputationTime, 35232 NumberOfCodeBlocks, 35232 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 50413 ConstructedInterpolants, 6 QuantifiedInterpolants, 286842493 SizeOfPredicates, 11 NumberOfNonLiveVariables, 19738 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 43 InterpolantComputations, 10 PerfectInterpolantSequences, 132824/150802 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...