./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label11_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_7ed141fd-2be4-4f73-9721-4d5364fc9791/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7ed141fd-2be4-4f73-9721-4d5364fc9791/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7ed141fd-2be4-4f73-9721-4d5364fc9791/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7ed141fd-2be4-4f73-9721-4d5364fc9791/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label11_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7ed141fd-2be4-4f73-9721-4d5364fc9791/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7ed141fd-2be4-4f73-9721-4d5364fc9791/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 6a0026f8c6b7a380d23358cfd36c0fa51e5f8b48 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 17:21:22,160 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:21:22,161 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:21:22,167 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:21:22,167 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:21:22,168 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:21:22,168 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:21:22,169 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:21:22,170 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:21:22,170 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:21:22,171 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:21:22,171 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:21:22,171 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:21:22,172 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:21:22,172 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:21:22,173 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:21:22,173 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:21:22,174 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:21:22,175 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:21:22,176 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:21:22,176 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:21:22,177 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:21:22,178 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:21:22,178 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:21:22,178 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:21:22,179 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:21:22,179 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:21:22,180 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:21:22,180 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:21:22,181 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:21:22,181 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:21:22,181 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:21:22,181 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:21:22,182 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:21:22,182 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:21:22,182 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:21:22,183 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7ed141fd-2be4-4f73-9721-4d5364fc9791/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 17:21:22,190 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:21:22,190 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:21:22,191 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:21:22,191 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 17:21:22,191 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 17:21:22,191 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 17:21:22,191 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 17:21:22,191 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 17:21:22,191 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 17:21:22,191 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 17:21:22,192 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 17:21:22,192 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 17:21:22,192 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 17:21:22,192 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:21:22,192 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 17:21:22,192 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 17:21:22,193 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 17:21:22,193 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:21:22,193 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:21:22,193 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:21:22,193 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:21:22,193 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 17:21:22,193 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:21:22,193 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:21:22,193 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:21:22,194 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 17:21:22,194 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:21:22,194 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 17:21:22,194 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:21:22,194 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:21:22,194 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:21:22,194 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:21:22,194 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 17:21:22,195 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:21:22,195 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 17:21:22,195 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 17:21:22,195 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_7ed141fd-2be4-4f73-9721-4d5364fc9791/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 -> 6a0026f8c6b7a380d23358cfd36c0fa51e5f8b48 [2018-12-09 17:21:22,212 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:21:22,219 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:21:22,221 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:21:22,222 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:21:22,222 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:21:22,223 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7ed141fd-2be4-4f73-9721-4d5364fc9791/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label11_true-unreach-call.c [2018-12-09 17:21:22,257 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7ed141fd-2be4-4f73-9721-4d5364fc9791/bin-2019/utaipan/data/9b85dd9aa/2f9e608a946d42daadef6cef64a3ffac/FLAG5b16d3915 [2018-12-09 17:21:22,724 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:21:22,724 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7ed141fd-2be4-4f73-9721-4d5364fc9791/sv-benchmarks/c/eca-rers2012/Problem16_label11_true-unreach-call.c [2018-12-09 17:21:22,737 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7ed141fd-2be4-4f73-9721-4d5364fc9791/bin-2019/utaipan/data/9b85dd9aa/2f9e608a946d42daadef6cef64a3ffac/FLAG5b16d3915 [2018-12-09 17:21:22,749 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7ed141fd-2be4-4f73-9721-4d5364fc9791/bin-2019/utaipan/data/9b85dd9aa/2f9e608a946d42daadef6cef64a3ffac [2018-12-09 17:21:22,751 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:21:22,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:21:22,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:21:22,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:21:22,756 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:21:22,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:21:22" (1/1) ... [2018-12-09 17:21:22,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53734a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:22, skipping insertion in model container [2018-12-09 17:21:22,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:21:22" (1/1) ... [2018-12-09 17:21:22,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:21:22,813 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:21:23,143 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:21:23,146 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 17:21:23,321 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:21:23,331 INFO L195 MainTranslator]: Completed translation [2018-12-09 17:21:23,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:23 WrapperNode [2018-12-09 17:21:23,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 17:21:23,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 17:21:23,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 17:21:23,332 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 17:21:23,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:23" (1/1) ... [2018-12-09 17:21:23,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:23" (1/1) ... [2018-12-09 17:21:23,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 17:21:23,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 17:21:23,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 17:21:23,358 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 17:21:23,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:23" (1/1) ... [2018-12-09 17:21:23,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:23" (1/1) ... [2018-12-09 17:21:23,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:23" (1/1) ... [2018-12-09 17:21:23,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:23" (1/1) ... [2018-12-09 17:21:23,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:23" (1/1) ... [2018-12-09 17:21:23,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:23" (1/1) ... [2018-12-09 17:21:23,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:23" (1/1) ... [2018-12-09 17:21:23,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 17:21:23,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 17:21:23,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 17:21:23,423 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 17:21:23,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7ed141fd-2be4-4f73-9721-4d5364fc9791/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 [2018-12-09 17:21:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 17:21:23,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 17:21:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-09 17:21:23,456 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-09 17:21:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 17:21:23,456 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 17:21:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 17:21:23,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 17:21:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 17:21:23,456 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 17:21:24,712 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 17:21:24,713 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 17:21:24,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:21:24 BoogieIcfgContainer [2018-12-09 17:21:24,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 17:21:24,714 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 17:21:24,714 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 17:21:24,715 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 17:21:24,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:21:22" (1/3) ... [2018-12-09 17:21:24,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60839607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:21:24, skipping insertion in model container [2018-12-09 17:21:24,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:21:23" (2/3) ... [2018-12-09 17:21:24,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60839607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:21:24, skipping insertion in model container [2018-12-09 17:21:24,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:21:24" (3/3) ... [2018-12-09 17:21:24,718 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label11_true-unreach-call.c [2018-12-09 17:21:24,724 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 17:21:24,729 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 17:21:24,738 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 17:21:24,760 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 17:21:24,760 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 17:21:24,760 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 17:21:24,760 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 17:21:24,760 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 17:21:24,760 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 17:21:24,760 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 17:21:24,761 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 17:21:24,776 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-09 17:21:24,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 17:21:24,780 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:21:24,781 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:21:24,782 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:21:24,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:21:24,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1003051062, now seen corresponding path program 1 times [2018-12-09 17:21:24,787 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:21:24,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:21:24,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:21:24,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:21:24,815 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:21:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:24,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:21:24,957 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:21:24,957 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 17:21:24,957 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:21:24,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 17:21:24,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 17:21:24,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:21:24,970 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-12-09 17:21:26,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:21:26,380 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-12-09 17:21:26,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 17:21:26,381 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-12-09 17:21:26,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:21:26,391 INFO L225 Difference]: With dead ends: 1153 [2018-12-09 17:21:26,391 INFO L226 Difference]: Without dead ends: 682 [2018-12-09 17:21:26,395 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 [2018-12-09 17:21:26,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2018-12-09 17:21:26,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2018-12-09 17:21:26,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-12-09 17:21:26,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1184 transitions. [2018-12-09 17:21:26,446 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1184 transitions. Word has length 61 [2018-12-09 17:21:26,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:21:26,447 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 1184 transitions. [2018-12-09 17:21:26,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 17:21:26,447 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1184 transitions. [2018-12-09 17:21:26,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-09 17:21:26,450 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:21:26,450 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, 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] [2018-12-09 17:21:26,450 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:21:26,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:21:26,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1399533719, now seen corresponding path program 1 times [2018-12-09 17:21:26,451 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:21:26,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:21:26,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:21:26,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:21:26,452 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:21:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:26,573 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:21:26,573 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:21:26,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 17:21:26,573 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:21:26,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 17:21:26,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 17:21:26,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 17:21:26,575 INFO L87 Difference]: Start difference. First operand 682 states and 1184 transitions. Second operand 5 states. [2018-12-09 17:21:28,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:21:28,040 INFO L93 Difference]: Finished difference Result 2066 states and 3624 transitions. [2018-12-09 17:21:28,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 17:21:28,040 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2018-12-09 17:21:28,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:21:28,046 INFO L225 Difference]: With dead ends: 2066 [2018-12-09 17:21:28,046 INFO L226 Difference]: Without dead ends: 1390 [2018-12-09 17:21:28,047 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 [2018-12-09 17:21:28,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1390 states. [2018-12-09 17:21:28,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1390 to 1372. [2018-12-09 17:21:28,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1372 states. [2018-12-09 17:21:28,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 2268 transitions. [2018-12-09 17:21:28,073 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 2268 transitions. Word has length 130 [2018-12-09 17:21:28,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:21:28,073 INFO L480 AbstractCegarLoop]: Abstraction has 1372 states and 2268 transitions. [2018-12-09 17:21:28,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 17:21:28,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 2268 transitions. [2018-12-09 17:21:28,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-09 17:21:28,075 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:21:28,075 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, 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] [2018-12-09 17:21:28,075 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:21:28,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:21:28,076 INFO L82 PathProgramCache]: Analyzing trace with hash -32887422, now seen corresponding path program 1 times [2018-12-09 17:21:28,076 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:21:28,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:21:28,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:21:28,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:21:28,077 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:21:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:28,176 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:21:28,176 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:21:28,176 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 17:21:28,176 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:21:28,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 17:21:28,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 17:21:28,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 17:21:28,177 INFO L87 Difference]: Start difference. First operand 1372 states and 2268 transitions. Second operand 6 states. [2018-12-09 17:21:30,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:21:30,121 INFO L93 Difference]: Finished difference Result 3472 states and 5791 transitions. [2018-12-09 17:21:30,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 17:21:30,122 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2018-12-09 17:21:30,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:21:30,131 INFO L225 Difference]: With dead ends: 3472 [2018-12-09 17:21:30,131 INFO L226 Difference]: Without dead ends: 2106 [2018-12-09 17:21:30,134 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 [2018-12-09 17:21:30,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2106 states. [2018-12-09 17:21:30,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2106 to 2081. [2018-12-09 17:21:30,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2081 states. [2018-12-09 17:21:30,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 3263 transitions. [2018-12-09 17:21:30,179 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 3263 transitions. Word has length 159 [2018-12-09 17:21:30,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:21:30,179 INFO L480 AbstractCegarLoop]: Abstraction has 2081 states and 3263 transitions. [2018-12-09 17:21:30,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 17:21:30,179 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 3263 transitions. [2018-12-09 17:21:30,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 17:21:30,182 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:21:30,182 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:21:30,183 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:21:30,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:21:30,183 INFO L82 PathProgramCache]: Analyzing trace with hash -909637690, now seen corresponding path program 1 times [2018-12-09 17:21:30,183 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:21:30,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:21:30,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:21:30,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:21:30,184 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:21:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:30,289 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:21:30,289 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:21:30,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 17:21:30,289 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:21:30,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 17:21:30,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 17:21:30,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 17:21:30,290 INFO L87 Difference]: Start difference. First operand 2081 states and 3263 transitions. Second operand 6 states. [2018-12-09 17:21:31,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:21:31,495 INFO L93 Difference]: Finished difference Result 5241 states and 8253 transitions. [2018-12-09 17:21:31,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 17:21:31,495 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 177 [2018-12-09 17:21:31,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:21:31,502 INFO L225 Difference]: With dead ends: 5241 [2018-12-09 17:21:31,502 INFO L226 Difference]: Without dead ends: 3166 [2018-12-09 17:21:31,505 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 [2018-12-09 17:21:31,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3166 states. [2018-12-09 17:21:31,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3166 to 3140. [2018-12-09 17:21:31,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3140 states. [2018-12-09 17:21:31,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 3140 states and 4128 transitions. [2018-12-09 17:21:31,548 INFO L78 Accepts]: Start accepts. Automaton has 3140 states and 4128 transitions. Word has length 177 [2018-12-09 17:21:31,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:21:31,549 INFO L480 AbstractCegarLoop]: Abstraction has 3140 states and 4128 transitions. [2018-12-09 17:21:31,549 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 17:21:31,549 INFO L276 IsEmpty]: Start isEmpty. Operand 3140 states and 4128 transitions. [2018-12-09 17:21:31,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-12-09 17:21:31,551 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:21:31,551 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:21:31,551 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:21:31,552 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:21:31,552 INFO L82 PathProgramCache]: Analyzing trace with hash -81123022, now seen corresponding path program 1 times [2018-12-09 17:21:31,552 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:21:31,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:21:31,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:21:31,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:21:31,553 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:21:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:31,661 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 120 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 17:21:31,662 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:21:31,662 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:21:31,662 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 260 with the following transitions: [2018-12-09 17:21:31,663 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], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [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] [2018-12-09 17:21:31,692 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:21:31,692 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:21:31,930 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 17:21:31,931 INFO L272 AbstractInterpreter]: Visited 134 different actions 134 times. Never merged. Never widened. Performed 1261 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1261 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-09 17:21:31,935 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:21:31,935 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 17:21:32,197 INFO L227 lantSequenceWeakener]: Weakened 250 states. On average, predicates are now at 78.06% of their original sizes. [2018-12-09 17:21:32,198 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 17:21:32,218 INFO L418 sIntCurrentIteration]: We unified 258 AI predicates to 258 [2018-12-09 17:21:32,218 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 17:21:32,218 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 17:21:32,218 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-12-09 17:21:32,218 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:21:32,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 17:21:32,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 17:21:32,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 17:21:32,219 INFO L87 Difference]: Start difference. First operand 3140 states and 4128 transitions. Second operand 6 states. [2018-12-09 17:21:50,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:21:50,290 INFO L93 Difference]: Finished difference Result 6612 states and 8630 transitions. [2018-12-09 17:21:50,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 17:21:50,291 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 259 [2018-12-09 17:21:50,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:21:50,298 INFO L225 Difference]: With dead ends: 6612 [2018-12-09 17:21:50,299 INFO L226 Difference]: Without dead ends: 3478 [2018-12-09 17:21:50,303 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 259 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 17:21:50,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3478 states. [2018-12-09 17:21:50,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3478 to 3477. [2018-12-09 17:21:50,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3477 states. [2018-12-09 17:21:50,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 3477 states and 4473 transitions. [2018-12-09 17:21:50,367 INFO L78 Accepts]: Start accepts. Automaton has 3477 states and 4473 transitions. Word has length 259 [2018-12-09 17:21:50,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:21:50,367 INFO L480 AbstractCegarLoop]: Abstraction has 3477 states and 4473 transitions. [2018-12-09 17:21:50,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 17:21:50,368 INFO L276 IsEmpty]: Start isEmpty. Operand 3477 states and 4473 transitions. [2018-12-09 17:21:50,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-12-09 17:21:50,373 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:21:50,373 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:21:50,373 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:21:50,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:21:50,374 INFO L82 PathProgramCache]: Analyzing trace with hash -956372341, now seen corresponding path program 1 times [2018-12-09 17:21:50,374 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:21:50,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:21:50,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:21:50,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:21:50,375 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:21:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:21:50,593 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 232 proven. 115 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 17:21:50,593 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:21:50,593 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:21:50,593 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 351 with the following transitions: [2018-12-09 17:21:50,593 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], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [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] [2018-12-09 17:21:50,596 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:21:50,597 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:21:50,785 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 17:21:50,785 INFO L272 AbstractInterpreter]: Visited 138 different actions 401 times. Merged at 4 different actions 7 times. Never widened. Performed 4094 root evaluator evaluations with a maximum evaluation depth of 7. Performed 4094 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 17:21:50,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:21:50,789 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 17:21:50,987 INFO L227 lantSequenceWeakener]: Weakened 347 states. On average, predicates are now at 80.61% of their original sizes. [2018-12-09 17:21:50,987 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 17:21:51,034 INFO L418 sIntCurrentIteration]: We unified 349 AI predicates to 349 [2018-12-09 17:21:51,034 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 17:21:51,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 17:21:51,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-09 17:21:51,035 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:21:51,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 17:21:51,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 17:21:51,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 17:21:51,035 INFO L87 Difference]: Start difference. First operand 3477 states and 4473 transitions. Second operand 10 states. [2018-12-09 17:23:30,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:23:30,213 INFO L93 Difference]: Finished difference Result 7683 states and 9934 transitions. [2018-12-09 17:23:30,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 17:23:30,214 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 350 [2018-12-09 17:23:30,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:23:30,222 INFO L225 Difference]: With dead ends: 7683 [2018-12-09 17:23:30,222 INFO L226 Difference]: Without dead ends: 4549 [2018-12-09 17:23:30,225 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 359 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 17:23:30,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4549 states. [2018-12-09 17:23:30,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4549 to 4518. [2018-12-09 17:23:30,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4518 states. [2018-12-09 17:23:30,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 5629 transitions. [2018-12-09 17:23:30,280 INFO L78 Accepts]: Start accepts. Automaton has 4518 states and 5629 transitions. Word has length 350 [2018-12-09 17:23:30,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:23:30,281 INFO L480 AbstractCegarLoop]: Abstraction has 4518 states and 5629 transitions. [2018-12-09 17:23:30,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 17:23:30,281 INFO L276 IsEmpty]: Start isEmpty. Operand 4518 states and 5629 transitions. [2018-12-09 17:23:30,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2018-12-09 17:23:30,287 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:23:30,287 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:23:30,287 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:23:30,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:23:30,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1061489523, now seen corresponding path program 1 times [2018-12-09 17:23:30,288 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:23:30,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:23:30,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:23:30,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:23:30,289 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:23:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:23:30,459 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 246 proven. 53 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-12-09 17:23:30,460 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:23:30,460 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:23:30,460 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 499 with the following transitions: [2018-12-09 17:23:30,460 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], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [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] [2018-12-09 17:23:30,464 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:23:30,464 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:23:30,756 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:23:30,756 INFO L272 AbstractInterpreter]: Visited 249 different actions 741 times. Merged at 7 different actions 16 times. Never widened. Performed 8363 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8363 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 17:23:30,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:23:30,759 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:23:30,759 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:23:30,759 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7ed141fd-2be4-4f73-9721-4d5364fc9791/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 [2018-12-09 17:23:30,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:23:30,767 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:23:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:23:30,849 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:23:30,965 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-09 17:23:30,966 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:23:31,050 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-09 17:23:31,066 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 17:23:31,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-12-09 17:23:31,066 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:23:31,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 17:23:31,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 17:23:31,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 17:23:31,068 INFO L87 Difference]: Start difference. First operand 4518 states and 5629 transitions. Second operand 3 states. [2018-12-09 17:23:32,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:23:32,032 INFO L93 Difference]: Finished difference Result 8693 states and 10913 transitions. [2018-12-09 17:23:32,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 17:23:32,033 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 498 [2018-12-09 17:23:32,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:23:32,040 INFO L225 Difference]: With dead ends: 8693 [2018-12-09 17:23:32,040 INFO L226 Difference]: Without dead ends: 4518 [2018-12-09 17:23:32,044 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1002 GetRequests, 997 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 17:23:32,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4518 states. [2018-12-09 17:23:32,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4518 to 4518. [2018-12-09 17:23:32,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4518 states. [2018-12-09 17:23:32,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 5478 transitions. [2018-12-09 17:23:32,093 INFO L78 Accepts]: Start accepts. Automaton has 4518 states and 5478 transitions. Word has length 498 [2018-12-09 17:23:32,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:23:32,094 INFO L480 AbstractCegarLoop]: Abstraction has 4518 states and 5478 transitions. [2018-12-09 17:23:32,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 17:23:32,094 INFO L276 IsEmpty]: Start isEmpty. Operand 4518 states and 5478 transitions. [2018-12-09 17:23:32,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2018-12-09 17:23:32,100 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:23:32,100 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:23:32,100 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:23:32,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:23:32,101 INFO L82 PathProgramCache]: Analyzing trace with hash 2071540874, now seen corresponding path program 1 times [2018-12-09 17:23:32,101 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:23:32,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:23:32,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:23:32,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:23:32,102 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:23:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:23:32,602 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 74 proven. 253 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 17:23:32,602 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:23:32,602 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:23:32,602 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 524 with the following transitions: [2018-12-09 17:23:32,603 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], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [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] [2018-12-09 17:23:32,606 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:23:32,606 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:23:32,838 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 17:23:32,838 INFO L272 AbstractInterpreter]: Visited 247 different actions 738 times. Merged at 6 different actions 17 times. Never widened. Performed 8327 root evaluator evaluations with a maximum evaluation depth of 8. Performed 8327 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 17:23:32,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:23:32,845 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 17:23:33,117 INFO L227 lantSequenceWeakener]: Weakened 520 states. On average, predicates are now at 80.35% of their original sizes. [2018-12-09 17:23:33,118 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 17:23:33,210 INFO L418 sIntCurrentIteration]: We unified 522 AI predicates to 522 [2018-12-09 17:23:33,210 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 17:23:33,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 17:23:33,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-12-09 17:23:33,210 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:23:33,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 17:23:33,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 17:23:33,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 17:23:33,211 INFO L87 Difference]: Start difference. First operand 4518 states and 5478 transitions. Second operand 10 states. [2018-12-09 17:24:05,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:24:05,608 INFO L93 Difference]: Finished difference Result 6233 states and 7430 transitions. [2018-12-09 17:24:05,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-09 17:24:05,608 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 523 [2018-12-09 17:24:05,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:24:05,615 INFO L225 Difference]: With dead ends: 6233 [2018-12-09 17:24:05,615 INFO L226 Difference]: Without dead ends: 6231 [2018-12-09 17:24:05,616 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 533 GetRequests, 514 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-12-09 17:24:05,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6231 states. [2018-12-09 17:24:05,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6231 to 6218. [2018-12-09 17:24:05,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6218 states. [2018-12-09 17:24:05,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6218 states to 6218 states and 7415 transitions. [2018-12-09 17:24:05,671 INFO L78 Accepts]: Start accepts. Automaton has 6218 states and 7415 transitions. Word has length 523 [2018-12-09 17:24:05,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:24:05,672 INFO L480 AbstractCegarLoop]: Abstraction has 6218 states and 7415 transitions. [2018-12-09 17:24:05,672 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 17:24:05,672 INFO L276 IsEmpty]: Start isEmpty. Operand 6218 states and 7415 transitions. [2018-12-09 17:24:05,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 661 [2018-12-09 17:24:05,683 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:24:05,683 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, 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, 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] [2018-12-09 17:24:05,683 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:24:05,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:24:05,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1967616491, now seen corresponding path program 1 times [2018-12-09 17:24:05,683 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:24:05,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:24:05,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:24:05,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:24:05,684 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:24:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:24:05,929 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 455 proven. 115 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-12-09 17:24:05,929 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:24:05,929 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:24:05,929 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 661 with the following transitions: [2018-12-09 17:24:05,929 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], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [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] [2018-12-09 17:24:05,932 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:24:05,932 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:24:06,328 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:24:06,328 INFO L272 AbstractInterpreter]: Visited 250 different actions 998 times. Merged at 8 different actions 30 times. Widened at 1 different actions 1 times. Performed 11690 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11690 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 17:24:06,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:24:06,330 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:24:06,330 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:24:06,330 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7ed141fd-2be4-4f73-9721-4d5364fc9791/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 [2018-12-09 17:24:06,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:24:06,336 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:24:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:24:06,416 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:24:06,551 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 739 proven. 2 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-12-09 17:24:06,551 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:24:06,769 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 455 proven. 115 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-12-09 17:24:06,784 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 17:24:06,785 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 17:24:06,785 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 17:24:06,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 17:24:06,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 17:24:06,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-09 17:24:06,786 INFO L87 Difference]: Start difference. First operand 6218 states and 7415 transitions. Second operand 9 states. [2018-12-09 17:24:11,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:24:11,711 INFO L93 Difference]: Finished difference Result 14999 states and 18658 transitions. [2018-12-09 17:24:11,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 17:24:11,711 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 660 [2018-12-09 17:24:11,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:24:11,727 INFO L225 Difference]: With dead ends: 14999 [2018-12-09 17:24:11,728 INFO L226 Difference]: Without dead ends: 9124 [2018-12-09 17:24:11,735 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1341 GetRequests, 1323 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-12-09 17:24:11,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9124 states. [2018-12-09 17:24:11,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9124 to 8412. [2018-12-09 17:24:11,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8412 states. [2018-12-09 17:24:11,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8412 states to 8412 states and 10171 transitions. [2018-12-09 17:24:11,825 INFO L78 Accepts]: Start accepts. Automaton has 8412 states and 10171 transitions. Word has length 660 [2018-12-09 17:24:11,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:24:11,825 INFO L480 AbstractCegarLoop]: Abstraction has 8412 states and 10171 transitions. [2018-12-09 17:24:11,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 17:24:11,825 INFO L276 IsEmpty]: Start isEmpty. Operand 8412 states and 10171 transitions. [2018-12-09 17:24:11,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 905 [2018-12-09 17:24:11,835 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:24:11,835 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:24:11,835 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:24:11,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:24:11,835 INFO L82 PathProgramCache]: Analyzing trace with hash -191612665, now seen corresponding path program 1 times [2018-12-09 17:24:11,835 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:24:11,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:24:11,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:24:11,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:24:11,836 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:24:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:24:13,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1499 backedges. 519 proven. 688 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2018-12-09 17:24:13,024 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:24:13,024 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:24:13,024 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 905 with the following transitions: [2018-12-09 17:24:13,025 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], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [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], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 17:24:13,027 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:24:13,027 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:24:13,174 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 17:24:13,174 INFO L272 AbstractInterpreter]: Visited 260 different actions 514 times. Merged at 4 different actions 4 times. Never widened. Performed 5487 root evaluator evaluations with a maximum evaluation depth of 9. Performed 5487 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 17:24:13,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:24:13,176 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 17:24:13,623 INFO L227 lantSequenceWeakener]: Weakened 901 states. On average, predicates are now at 77.53% of their original sizes. [2018-12-09 17:24:13,623 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 17:24:13,662 INFO L418 sIntCurrentIteration]: We unified 903 AI predicates to 903 [2018-12-09 17:24:13,663 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 17:24:13,663 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 17:24:13,663 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-12-09 17:24:13,663 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:24:13,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 17:24:13,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 17:24:13,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 17:24:13,664 INFO L87 Difference]: Start difference. First operand 8412 states and 10171 transitions. Second operand 10 states. [2018-12-09 17:25:11,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:25:11,987 INFO L93 Difference]: Finished difference Result 16822 states and 20382 transitions. [2018-12-09 17:25:11,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 17:25:11,987 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 904 [2018-12-09 17:25:11,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:25:12,001 INFO L225 Difference]: With dead ends: 16822 [2018-12-09 17:25:12,002 INFO L226 Difference]: Without dead ends: 8753 [2018-12-09 17:25:12,010 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 911 GetRequests, 895 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-09 17:25:12,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8753 states. [2018-12-09 17:25:12,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8753 to 8751. [2018-12-09 17:25:12,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8751 states. [2018-12-09 17:25:12,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8751 states to 8751 states and 10527 transitions. [2018-12-09 17:25:12,095 INFO L78 Accepts]: Start accepts. Automaton has 8751 states and 10527 transitions. Word has length 904 [2018-12-09 17:25:12,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:25:12,095 INFO L480 AbstractCegarLoop]: Abstraction has 8751 states and 10527 transitions. [2018-12-09 17:25:12,095 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 17:25:12,095 INFO L276 IsEmpty]: Start isEmpty. Operand 8751 states and 10527 transitions. [2018-12-09 17:25:12,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 913 [2018-12-09 17:25:12,105 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:25:12,106 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-12-09 17:25:12,106 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:25:12,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:25:12,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1550371177, now seen corresponding path program 1 times [2018-12-09 17:25:12,106 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:25:12,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:25:12,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:25:12,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:25:12,107 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:25:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:25:12,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1507 backedges. 703 proven. 520 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-12-09 17:25:12,640 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:25:12,640 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:25:12,640 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 913 with the following transitions: [2018-12-09 17:25:12,640 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], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [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], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 17:25:12,642 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:25:12,642 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:25:12,872 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 17:25:12,872 INFO L272 AbstractInterpreter]: Visited 260 different actions 767 times. Merged at 4 different actions 7 times. Never widened. Performed 8951 root evaluator evaluations with a maximum evaluation depth of 9. Performed 8951 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 17:25:12,874 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:25:12,874 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 17:25:13,296 INFO L227 lantSequenceWeakener]: Weakened 909 states. On average, predicates are now at 80.25% of their original sizes. [2018-12-09 17:25:13,297 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 17:25:13,342 INFO L418 sIntCurrentIteration]: We unified 911 AI predicates to 911 [2018-12-09 17:25:13,342 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 17:25:13,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 17:25:13,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2018-12-09 17:25:13,343 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:25:13,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 17:25:13,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 17:25:13,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 17:25:13,343 INFO L87 Difference]: Start difference. First operand 8751 states and 10527 transitions. Second operand 9 states. [2018-12-09 17:25:59,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:25:59,790 INFO L93 Difference]: Finished difference Result 16829 states and 20358 transitions. [2018-12-09 17:25:59,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 17:25:59,790 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 912 [2018-12-09 17:25:59,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:25:59,803 INFO L225 Difference]: With dead ends: 16829 [2018-12-09 17:25:59,804 INFO L226 Difference]: Without dead ends: 8760 [2018-12-09 17:25:59,812 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 918 GetRequests, 904 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-09 17:25:59,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8760 states. [2018-12-09 17:25:59,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8760 to 8753. [2018-12-09 17:25:59,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8753 states. [2018-12-09 17:25:59,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8753 states to 8753 states and 10522 transitions. [2018-12-09 17:25:59,894 INFO L78 Accepts]: Start accepts. Automaton has 8753 states and 10522 transitions. Word has length 912 [2018-12-09 17:25:59,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:25:59,895 INFO L480 AbstractCegarLoop]: Abstraction has 8753 states and 10522 transitions. [2018-12-09 17:25:59,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 17:25:59,895 INFO L276 IsEmpty]: Start isEmpty. Operand 8753 states and 10522 transitions. [2018-12-09 17:25:59,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 996 [2018-12-09 17:25:59,904 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:25:59,904 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:25:59,904 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:25:59,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:25:59,905 INFO L82 PathProgramCache]: Analyzing trace with hash -808044722, now seen corresponding path program 1 times [2018-12-09 17:25:59,905 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:25:59,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:25:59,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:25:59,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:25:59,906 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:25:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:01,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1986 backedges. 429 proven. 588 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2018-12-09 17:26:01,057 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:26:01,057 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:26:01,057 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 996 with the following transitions: [2018-12-09 17:26:01,057 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], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [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], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 17:26:01,059 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:26:01,059 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:26:01,484 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:26:01,484 INFO L272 AbstractInterpreter]: Visited 262 different actions 1313 times. Merged at 10 different actions 46 times. Widened at 1 different actions 1 times. Performed 15992 root evaluator evaluations with a maximum evaluation depth of 9. Performed 15992 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 15 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-09 17:26:01,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:26:01,486 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:26:01,486 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:26:01,486 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7ed141fd-2be4-4f73-9721-4d5364fc9791/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 [2018-12-09 17:26:01,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:26:01,492 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:26:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:01,607 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:26:01,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1986 backedges. 1129 proven. 2 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2018-12-09 17:26:01,888 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:26:02,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1986 backedges. 429 proven. 588 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2018-12-09 17:26:02,346 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 17:26:02,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 18 [2018-12-09 17:26:02,346 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 17:26:02,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 17:26:02,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 17:26:02,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2018-12-09 17:26:02,347 INFO L87 Difference]: Start difference. First operand 8753 states and 10522 transitions. Second operand 15 states. [2018-12-09 17:26:05,236 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 29 [2018-12-09 17:26:08,554 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 23 [2018-12-09 17:26:08,715 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 29 [2018-12-09 17:26:08,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:26:08,997 INFO L93 Difference]: Finished difference Result 21872 states and 27192 transitions. [2018-12-09 17:26:08,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-12-09 17:26:08,997 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 995 [2018-12-09 17:26:08,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:26:09,016 INFO L225 Difference]: With dead ends: 21872 [2018-12-09 17:26:09,016 INFO L226 Difference]: Without dead ends: 12164 [2018-12-09 17:26:09,030 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2062 GetRequests, 2010 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=629, Invalid=2233, Unknown=0, NotChecked=0, Total=2862 [2018-12-09 17:26:09,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12164 states. [2018-12-09 17:26:09,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12164 to 12088. [2018-12-09 17:26:09,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12088 states. [2018-12-09 17:26:09,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12088 states to 12088 states and 13201 transitions. [2018-12-09 17:26:09,144 INFO L78 Accepts]: Start accepts. Automaton has 12088 states and 13201 transitions. Word has length 995 [2018-12-09 17:26:09,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:26:09,144 INFO L480 AbstractCegarLoop]: Abstraction has 12088 states and 13201 transitions. [2018-12-09 17:26:09,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 17:26:09,144 INFO L276 IsEmpty]: Start isEmpty. Operand 12088 states and 13201 transitions. [2018-12-09 17:26:09,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1008 [2018-12-09 17:26:09,152 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:26:09,152 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:26:09,152 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:26:09,152 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:26:09,153 INFO L82 PathProgramCache]: Analyzing trace with hash -499022922, now seen corresponding path program 1 times [2018-12-09 17:26:09,153 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:26:09,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:26:09,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:26:09,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:26:09,153 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:26:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:10,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2122 backedges. 952 proven. 8 refuted. 0 times theorem prover too weak. 1162 trivial. 0 not checked. [2018-12-09 17:26:10,004 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:26:10,004 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:26:10,004 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1008 with the following transitions: [2018-12-09 17:26:10,005 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], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [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], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [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] [2018-12-09 17:26:10,006 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:26:10,007 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:26:10,408 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:26:10,409 INFO L272 AbstractInterpreter]: Visited 252 different actions 1016 times. Merged at 10 different actions 40 times. Widened at 1 different actions 1 times. Performed 11870 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11870 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-09 17:26:10,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:26:10,410 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:26:10,410 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:26:10,410 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7ed141fd-2be4-4f73-9721-4d5364fc9791/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 [2018-12-09 17:26:10,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:26:10,416 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:26:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:10,526 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:26:10,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2122 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 1783 trivial. 0 not checked. [2018-12-09 17:26:10,834 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:26:11,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2122 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 1783 trivial. 0 not checked. [2018-12-09 17:26:11,099 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 17:26:11,099 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 8 [2018-12-09 17:26:11,099 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:26:11,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 17:26:11,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 17:26:11,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-12-09 17:26:11,100 INFO L87 Difference]: Start difference. First operand 12088 states and 13201 transitions. Second operand 3 states. [2018-12-09 17:26:11,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:26:11,637 INFO L93 Difference]: Finished difference Result 21809 states and 23949 transitions. [2018-12-09 17:26:11,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 17:26:11,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1007 [2018-12-09 17:26:11,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:26:11,655 INFO L225 Difference]: With dead ends: 21809 [2018-12-09 17:26:11,655 INFO L226 Difference]: Without dead ends: 12088 [2018-12-09 17:26:11,670 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2021 GetRequests, 2013 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-12-09 17:26:11,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12088 states. [2018-12-09 17:26:11,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12088 to 12088. [2018-12-09 17:26:11,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12088 states. [2018-12-09 17:26:11,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12088 states to 12088 states and 13075 transitions. [2018-12-09 17:26:11,787 INFO L78 Accepts]: Start accepts. Automaton has 12088 states and 13075 transitions. Word has length 1007 [2018-12-09 17:26:11,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:26:11,788 INFO L480 AbstractCegarLoop]: Abstraction has 12088 states and 13075 transitions. [2018-12-09 17:26:11,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 17:26:11,788 INFO L276 IsEmpty]: Start isEmpty. Operand 12088 states and 13075 transitions. [2018-12-09 17:26:11,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1316 [2018-12-09 17:26:11,806 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:26:11,806 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, 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2018-12-09 17:26:11,806 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:26:11,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:26:11,807 INFO L82 PathProgramCache]: Analyzing trace with hash -2019457786, now seen corresponding path program 1 times [2018-12-09 17:26:11,807 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:26:11,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:26:11,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:26:11,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:26:11,808 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:26:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:12,581 INFO L134 CoverageAnalysis]: Checked inductivity of 3839 backedges. 1438 proven. 2 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2018-12-09 17:26:12,581 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:26:12,582 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:26:12,582 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1316 with the following transitions: [2018-12-09 17:26:12,582 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], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [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], [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] [2018-12-09 17:26:12,584 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:26:12,584 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:26:13,029 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:26:13,029 INFO L272 AbstractInterpreter]: Visited 254 different actions 1022 times. Merged at 11 different actions 38 times. Widened at 1 different actions 1 times. Performed 11977 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11977 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-09 17:26:13,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:26:13,031 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:26:13,031 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:26:13,031 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7ed141fd-2be4-4f73-9721-4d5364fc9791/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 [2018-12-09 17:26:13,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:26:13,037 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:26:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:13,171 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:26:13,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3839 backedges. 1438 proven. 2 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2018-12-09 17:26:13,584 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:26:14,171 INFO L134 CoverageAnalysis]: Checked inductivity of 3839 backedges. 1438 proven. 2 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2018-12-09 17:26:14,186 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 17:26:14,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 17:26:14,187 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 17:26:14,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 17:26:14,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 17:26:14,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-09 17:26:14,188 INFO L87 Difference]: Start difference. First operand 12088 states and 13075 transitions. Second operand 9 states. [2018-12-09 17:26:17,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:26:17,340 INFO L93 Difference]: Finished difference Result 23313 states and 25788 transitions. [2018-12-09 17:26:17,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 17:26:17,341 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1315 [2018-12-09 17:26:17,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:26:17,359 INFO L225 Difference]: With dead ends: 23313 [2018-12-09 17:26:17,359 INFO L226 Difference]: Without dead ends: 11857 [2018-12-09 17:26:17,375 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2657 GetRequests, 2635 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-12-09 17:26:17,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11857 states. [2018-12-09 17:26:17,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11857 to 11745. [2018-12-09 17:26:17,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11745 states. [2018-12-09 17:26:17,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11745 states to 11745 states and 12608 transitions. [2018-12-09 17:26:17,487 INFO L78 Accepts]: Start accepts. Automaton has 11745 states and 12608 transitions. Word has length 1315 [2018-12-09 17:26:17,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:26:17,487 INFO L480 AbstractCegarLoop]: Abstraction has 11745 states and 12608 transitions. [2018-12-09 17:26:17,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 17:26:17,487 INFO L276 IsEmpty]: Start isEmpty. Operand 11745 states and 12608 transitions. [2018-12-09 17:26:17,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1413 [2018-12-09 17:26:17,504 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:26:17,504 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, 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:26:17,504 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:26:17,504 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:26:17,504 INFO L82 PathProgramCache]: Analyzing trace with hash -2113326017, now seen corresponding path program 1 times [2018-12-09 17:26:17,504 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:26:17,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:26:17,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:26:17,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:26:17,505 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:26:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:18,198 INFO L134 CoverageAnalysis]: Checked inductivity of 3905 backedges. 453 proven. 0 refuted. 0 times theorem prover too weak. 3452 trivial. 0 not checked. [2018-12-09 17:26:18,198 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:26:18,198 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 17:26:18,198 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:26:18,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 17:26:18,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 17:26:18,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 17:26:18,199 INFO L87 Difference]: Start difference. First operand 11745 states and 12608 transitions. Second operand 4 states. [2018-12-09 17:26:19,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:26:19,026 INFO L93 Difference]: Finished difference Result 19401 states and 20935 transitions. [2018-12-09 17:26:19,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 17:26:19,026 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1412 [2018-12-09 17:26:19,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:26:19,041 INFO L225 Difference]: With dead ends: 19401 [2018-12-09 17:26:19,041 INFO L226 Difference]: Without dead ends: 8983 [2018-12-09 17:26:19,053 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 [2018-12-09 17:26:19,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8983 states. [2018-12-09 17:26:19,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8983 to 8983. [2018-12-09 17:26:19,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8983 states. [2018-12-09 17:26:19,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8983 states to 8983 states and 9522 transitions. [2018-12-09 17:26:19,147 INFO L78 Accepts]: Start accepts. Automaton has 8983 states and 9522 transitions. Word has length 1412 [2018-12-09 17:26:19,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:26:19,148 INFO L480 AbstractCegarLoop]: Abstraction has 8983 states and 9522 transitions. [2018-12-09 17:26:19,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 17:26:19,148 INFO L276 IsEmpty]: Start isEmpty. Operand 8983 states and 9522 transitions. [2018-12-09 17:26:19,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1531 [2018-12-09 17:26:19,163 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:26:19,163 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:26:19,163 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:26:19,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:26:19,164 INFO L82 PathProgramCache]: Analyzing trace with hash 2135487007, now seen corresponding path program 1 times [2018-12-09 17:26:19,164 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:26:19,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:26:19,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:26:19,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:26:19,164 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:26:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:20,103 INFO L134 CoverageAnalysis]: Checked inductivity of 5115 backedges. 1693 proven. 2 refuted. 0 times theorem prover too weak. 3420 trivial. 0 not checked. [2018-12-09 17:26:20,103 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:26:20,103 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:26:20,103 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1531 with the following transitions: [2018-12-09 17:26:20,103 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], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [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], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 17:26:20,105 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:26:20,105 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:26:20,640 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:26:20,640 INFO L272 AbstractInterpreter]: Visited 255 different actions 1024 times. Merged at 11 different actions 36 times. Widened at 1 different actions 1 times. Performed 12022 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12022 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 15 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-09 17:26:20,642 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:26:20,642 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:26:20,642 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:26:20,642 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7ed141fd-2be4-4f73-9721-4d5364fc9791/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 [2018-12-09 17:26:20,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:26:20,648 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:26:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:20,817 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:26:21,427 INFO L134 CoverageAnalysis]: Checked inductivity of 5115 backedges. 1693 proven. 2 refuted. 0 times theorem prover too weak. 3420 trivial. 0 not checked. [2018-12-09 17:26:21,428 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:26:22,162 INFO L134 CoverageAnalysis]: Checked inductivity of 5115 backedges. 1693 proven. 2 refuted. 0 times theorem prover too weak. 3420 trivial. 0 not checked. [2018-12-09 17:26:22,178 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 17:26:22,178 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-12-09 17:26:22,178 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 17:26:22,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 17:26:22,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 17:26:22,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 17:26:22,179 INFO L87 Difference]: Start difference. First operand 8983 states and 9522 transitions. Second operand 10 states. [2018-12-09 17:26:24,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:26:24,335 INFO L93 Difference]: Finished difference Result 18658 states and 19809 transitions. [2018-12-09 17:26:24,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 17:26:24,336 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1530 [2018-12-09 17:26:24,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:26:24,348 INFO L225 Difference]: With dead ends: 18658 [2018-12-09 17:26:24,348 INFO L226 Difference]: Without dead ends: 10018 [2018-12-09 17:26:24,357 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3081 GetRequests, 3062 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2018-12-09 17:26:24,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10018 states. [2018-12-09 17:26:24,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10018 to 10016. [2018-12-09 17:26:24,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10016 states. [2018-12-09 17:26:24,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10016 states to 10016 states and 10447 transitions. [2018-12-09 17:26:24,450 INFO L78 Accepts]: Start accepts. Automaton has 10016 states and 10447 transitions. Word has length 1530 [2018-12-09 17:26:24,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:26:24,451 INFO L480 AbstractCegarLoop]: Abstraction has 10016 states and 10447 transitions. [2018-12-09 17:26:24,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 17:26:24,451 INFO L276 IsEmpty]: Start isEmpty. Operand 10016 states and 10447 transitions. [2018-12-09 17:26:24,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1728 [2018-12-09 17:26:24,469 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:26:24,469 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, 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, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:26:24,470 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:26:24,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:26:24,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1877335462, now seen corresponding path program 1 times [2018-12-09 17:26:24,470 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:26:24,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:26:24,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:26:24,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:26:24,470 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:26:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:25,557 INFO L134 CoverageAnalysis]: Checked inductivity of 6427 backedges. 1659 proven. 158 refuted. 0 times theorem prover too weak. 4610 trivial. 0 not checked. [2018-12-09 17:26:25,557 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:26:25,557 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:26:25,557 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1728 with the following transitions: [2018-12-09 17:26:25,558 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], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1028], [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], [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], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 17:26:25,560 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:26:25,560 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:26:26,026 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:26:26,026 INFO L272 AbstractInterpreter]: Visited 271 different actions 1093 times. Merged at 12 different actions 41 times. Widened at 1 different actions 1 times. Performed 12957 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12957 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 16 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-09 17:26:26,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:26:26,028 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:26:26,028 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:26:26,028 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7ed141fd-2be4-4f73-9721-4d5364fc9791/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 [2018-12-09 17:26:26,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:26:26,034 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:26:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:26,206 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:26:26,947 INFO L134 CoverageAnalysis]: Checked inductivity of 6427 backedges. 2918 proven. 2 refuted. 0 times theorem prover too weak. 3507 trivial. 0 not checked. [2018-12-09 17:26:26,947 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:26:27,797 INFO L134 CoverageAnalysis]: Checked inductivity of 6427 backedges. 1659 proven. 158 refuted. 0 times theorem prover too weak. 4610 trivial. 0 not checked. [2018-12-09 17:26:27,813 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 17:26:27,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 17:26:27,813 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 17:26:27,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 17:26:27,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 17:26:27,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-09 17:26:27,814 INFO L87 Difference]: Start difference. First operand 10016 states and 10447 transitions. Second operand 9 states. [2018-12-09 17:26:29,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:26:29,304 INFO L93 Difference]: Finished difference Result 17242 states and 17928 transitions. [2018-12-09 17:26:29,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 17:26:29,305 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1727 [2018-12-09 17:26:29,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:26:29,314 INFO L225 Difference]: With dead ends: 17242 [2018-12-09 17:26:29,314 INFO L226 Difference]: Without dead ends: 9605 [2018-12-09 17:26:29,322 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3471 GetRequests, 3455 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-12-09 17:26:29,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9605 states. [2018-12-09 17:26:29,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9605 to 9585. [2018-12-09 17:26:29,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9585 states. [2018-12-09 17:26:29,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9585 states to 9585 states and 9799 transitions. [2018-12-09 17:26:29,389 INFO L78 Accepts]: Start accepts. Automaton has 9585 states and 9799 transitions. Word has length 1727 [2018-12-09 17:26:29,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:26:29,390 INFO L480 AbstractCegarLoop]: Abstraction has 9585 states and 9799 transitions. [2018-12-09 17:26:29,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 17:26:29,390 INFO L276 IsEmpty]: Start isEmpty. Operand 9585 states and 9799 transitions. [2018-12-09 17:26:29,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1867 [2018-12-09 17:26:29,406 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:26:29,407 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, 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, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:26:29,407 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:26:29,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:26:29,407 INFO L82 PathProgramCache]: Analyzing trace with hash 2128718798, now seen corresponding path program 1 times [2018-12-09 17:26:29,407 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:26:29,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:26:29,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:26:29,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:26:29,408 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:26:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:32,452 INFO L134 CoverageAnalysis]: Checked inductivity of 6638 backedges. 2521 proven. 1143 refuted. 0 times theorem prover too weak. 2974 trivial. 0 not checked. [2018-12-09 17:26:32,453 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:26:32,453 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:26:32,453 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1867 with the following transitions: [2018-12-09 17:26:32,453 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], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [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], [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] [2018-12-09 17:26:32,456 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:26:32,456 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:26:33,135 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:26:33,135 INFO L272 AbstractInterpreter]: Visited 353 different actions 1407 times. Merged at 11 different actions 36 times. Never widened. Performed 17366 root evaluator evaluations with a maximum evaluation depth of 18. Performed 17366 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 16 fixpoints after 8 different actions. Largest state had 24 variables. [2018-12-09 17:26:33,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:26:33,137 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:26:33,137 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:26:33,137 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7ed141fd-2be4-4f73-9721-4d5364fc9791/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 [2018-12-09 17:26:33,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:26:33,143 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:26:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:33,326 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:26:34,320 INFO L134 CoverageAnalysis]: Checked inductivity of 6638 backedges. 4694 proven. 6 refuted. 0 times theorem prover too weak. 1938 trivial. 0 not checked. [2018-12-09 17:26:34,321 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:26:36,077 INFO L134 CoverageAnalysis]: Checked inductivity of 6638 backedges. 1753 proven. 852 refuted. 0 times theorem prover too weak. 4033 trivial. 0 not checked. [2018-12-09 17:26:36,093 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 17:26:36,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 25 [2018-12-09 17:26:36,093 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 17:26:36,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-09 17:26:36,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-09 17:26:36,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2018-12-09 17:26:36,094 INFO L87 Difference]: Start difference. First operand 9585 states and 9799 transitions. Second operand 20 states. [2018-12-09 17:26:41,693 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 32 [2018-12-09 17:26:42,923 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 32 [2018-12-09 17:26:44,789 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 42 [2018-12-09 17:26:45,282 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 26 [2018-12-09 17:26:49,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:26:49,747 INFO L93 Difference]: Finished difference Result 18227 states and 18736 transitions. [2018-12-09 17:26:49,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-12-09 17:26:49,748 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1866 [2018-12-09 17:26:49,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:26:49,759 INFO L225 Difference]: With dead ends: 18227 [2018-12-09 17:26:49,759 INFO L226 Difference]: Without dead ends: 11370 [2018-12-09 17:26:49,767 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3849 GetRequests, 3766 SyntacticMatches, 2 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1854 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1258, Invalid=5548, Unknown=0, NotChecked=0, Total=6806 [2018-12-09 17:26:49,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11370 states. [2018-12-09 17:26:49,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11370 to 11286. [2018-12-09 17:26:49,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11286 states. [2018-12-09 17:26:49,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11286 states to 11286 states and 11513 transitions. [2018-12-09 17:26:49,856 INFO L78 Accepts]: Start accepts. Automaton has 11286 states and 11513 transitions. Word has length 1866 [2018-12-09 17:26:49,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:26:49,857 INFO L480 AbstractCegarLoop]: Abstraction has 11286 states and 11513 transitions. [2018-12-09 17:26:49,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-09 17:26:49,857 INFO L276 IsEmpty]: Start isEmpty. Operand 11286 states and 11513 transitions. [2018-12-09 17:26:49,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1967 [2018-12-09 17:26:49,877 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:26:49,877 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, 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, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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] [2018-12-09 17:26:49,877 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:26:49,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:26:49,878 INFO L82 PathProgramCache]: Analyzing trace with hash -88678297, now seen corresponding path program 1 times [2018-12-09 17:26:49,878 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:26:49,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:26:49,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:26:49,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:26:49,878 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:26:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:51,325 INFO L134 CoverageAnalysis]: Checked inductivity of 7475 backedges. 2072 proven. 2 refuted. 0 times theorem prover too weak. 5401 trivial. 0 not checked. [2018-12-09 17:26:51,325 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:26:51,325 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:26:51,326 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1967 with the following transitions: [2018-12-09 17:26:51,326 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], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1028], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [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], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 17:26:51,328 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:26:51,328 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:26:52,191 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:26:52,191 INFO L272 AbstractInterpreter]: Visited 290 different actions 1159 times. Merged at 11 different actions 31 times. Never widened. Performed 13963 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13963 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 15 fixpoints after 8 different actions. Largest state had 24 variables. [2018-12-09 17:26:52,193 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:26:52,193 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:26:52,193 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:26:52,193 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7ed141fd-2be4-4f73-9721-4d5364fc9791/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 [2018-12-09 17:26:52,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:26:52,199 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:26:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:52,393 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:26:53,286 INFO L134 CoverageAnalysis]: Checked inductivity of 7475 backedges. 2072 proven. 2 refuted. 0 times theorem prover too weak. 5401 trivial. 0 not checked. [2018-12-09 17:26:53,286 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:26:54,511 INFO L134 CoverageAnalysis]: Checked inductivity of 7475 backedges. 2072 proven. 2 refuted. 0 times theorem prover too weak. 5401 trivial. 0 not checked. [2018-12-09 17:26:54,527 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 17:26:54,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-12-09 17:26:54,528 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 17:26:54,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 17:26:54,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 17:26:54,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-09 17:26:54,529 INFO L87 Difference]: Start difference. First operand 11286 states and 11513 transitions. Second operand 7 states. [2018-12-09 17:26:56,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:26:56,418 INFO L93 Difference]: Finished difference Result 23944 states and 24517 transitions. [2018-12-09 17:26:56,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 17:26:56,419 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1966 [2018-12-09 17:26:56,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:26:56,432 INFO L225 Difference]: With dead ends: 23944 [2018-12-09 17:26:56,432 INFO L226 Difference]: Without dead ends: 15043 [2018-12-09 17:26:56,439 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3945 GetRequests, 3933 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2018-12-09 17:26:56,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15043 states. [2018-12-09 17:26:56,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15043 to 14688. [2018-12-09 17:26:56,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14688 states. [2018-12-09 17:26:56,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14688 states to 14688 states and 15014 transitions. [2018-12-09 17:26:56,548 INFO L78 Accepts]: Start accepts. Automaton has 14688 states and 15014 transitions. Word has length 1966 [2018-12-09 17:26:56,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:26:56,549 INFO L480 AbstractCegarLoop]: Abstraction has 14688 states and 15014 transitions. [2018-12-09 17:26:56,549 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 17:26:56,550 INFO L276 IsEmpty]: Start isEmpty. Operand 14688 states and 15014 transitions. [2018-12-09 17:26:56,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2014 [2018-12-09 17:26:56,571 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:26:56,572 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, 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, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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] [2018-12-09 17:26:56,572 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:26:56,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:26:56,572 INFO L82 PathProgramCache]: Analyzing trace with hash -218158438, now seen corresponding path program 1 times [2018-12-09 17:26:56,572 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:26:56,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:26:56,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:26:56,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:26:56,573 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:26:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:58,821 INFO L134 CoverageAnalysis]: Checked inductivity of 7747 backedges. 1372 proven. 960 refuted. 0 times theorem prover too weak. 5415 trivial. 0 not checked. [2018-12-09 17:26:58,821 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:26:58,821 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:26:58,821 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 2014 with the following transitions: [2018-12-09 17:26:58,821 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], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [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], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 17:26:58,823 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:26:58,823 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:26:59,707 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:26:59,707 INFO L272 AbstractInterpreter]: Visited 290 different actions 1160 times. Merged at 11 different actions 32 times. Never widened. Performed 13964 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13964 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 15 fixpoints after 8 different actions. Largest state had 24 variables. [2018-12-09 17:26:59,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:26:59,713 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:26:59,713 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:26:59,713 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7ed141fd-2be4-4f73-9721-4d5364fc9791/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 [2018-12-09 17:26:59,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:26:59,720 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:26:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:59,915 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:27:01,163 INFO L134 CoverageAnalysis]: Checked inductivity of 7747 backedges. 5099 proven. 2 refuted. 0 times theorem prover too weak. 2646 trivial. 0 not checked. [2018-12-09 17:27:01,163 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:27:03,980 INFO L134 CoverageAnalysis]: Checked inductivity of 7747 backedges. 1413 proven. 885 refuted. 0 times theorem prover too weak. 5449 trivial. 0 not checked. [2018-12-09 17:27:03,995 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 17:27:03,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 18 [2018-12-09 17:27:03,996 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 17:27:03,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-09 17:27:03,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-09 17:27:03,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2018-12-09 17:27:03,998 INFO L87 Difference]: Start difference. First operand 14688 states and 15014 transitions. Second operand 16 states. [2018-12-09 17:27:11,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:27:11,867 INFO L93 Difference]: Finished difference Result 27173 states and 28061 transitions. [2018-12-09 17:27:11,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-12-09 17:27:11,868 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 2013 [2018-12-09 17:27:11,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:27:11,869 INFO L225 Difference]: With dead ends: 27173 [2018-12-09 17:27:11,869 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 17:27:11,890 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4124 GetRequests, 4060 SyntacticMatches, 3 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1042 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=699, Invalid=3207, Unknown=0, NotChecked=0, Total=3906 [2018-12-09 17:27:11,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 17:27:11,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 17:27:11,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 17:27:11,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 17:27:11,891 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2013 [2018-12-09 17:27:11,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:27:11,891 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 17:27:11,891 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-09 17:27:11,891 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 17:27:11,891 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 17:27:11,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 17:27:11,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:11,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:11,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:11,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:11,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:11,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:11,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:11,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,343 WARN L180 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 307 [2018-12-09 17:27:12,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:12,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:13,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:13,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:13,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:13,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:13,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:13,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:13,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:27:13,152 WARN L180 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 357 [2018-12-09 17:27:14,544 WARN L180 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 291 DAG size of output: 97 [2018-12-09 17:27:16,611 WARN L180 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 336 DAG size of output: 129 [2018-12-09 17:27:18,138 WARN L180 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 295 DAG size of output: 100 [2018-12-09 17:27:21,127 WARN L180 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 339 DAG size of output: 121 [2018-12-09 17:27:22,630 WARN L180 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 343 DAG size of output: 99 [2018-12-09 17:27:22,632 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 17:27:22,632 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)) [2018-12-09 17:27:22,632 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 17:27:22,632 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,632 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-12-09 17:27:22,632 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,632 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,632 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,632 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,632 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,632 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,632 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,632 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,632 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,632 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,633 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,633 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,633 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,633 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,633 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,633 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,633 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,633 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,633 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,633 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,633 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,633 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,633 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,633 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,633 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,633 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,633 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,633 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse19 (= 3 |old(~a15~0)|)) (.cse18 (= 8 |old(~a12~0)|))) (let ((.cse26 (= ~a16~0 |old(~a16~0)|)) (.cse23 (= ~a18~0 |old(~a18~0)|)) (.cse21 (= 8 |old(~a16~0)|)) (.cse0 (= 4 |old(~a15~0)|)) (.cse5 (= 6 |old(~a12~0)|)) (.cse11 (not .cse18)) (.cse24 (not .cse19)) (.cse25 (not (= 11 |old(~a16~0)|))) (.cse20 (= 5 |old(~a12~0)|)) (.cse15 (= |old(~a15~0)| ~a15~0)) (.cse16 (= |old(~a12~0)| ~a12~0))) (let ((.cse6 (and (= |old(~a16~0)| ~a16~0) .cse15 .cse16)) (.cse9 (< 0 (+ |old(~a18~0)| 388559))) (.cse14 (= ~a16~0 10)) (.cse17 (not (= 10 |old(~a16~0)|))) (.cse22 (< 8 |old(~a16~0)|)) (.cse3 (< |old(~a16~0)| 12)) (.cse13 (not .cse20)) (.cse7 (not (= 9 |old(~a16~0)|))) (.cse27 (and (or .cse24 .cse11 .cse25) (or .cse24 (= 0 |old(~a18~0)|) (= 0 |old(~a12~0)|) .cse25))) (.cse2 (not .cse5)) (.cse8 (not .cse0)) (.cse10 (not .cse21)) (.cse1 (and .cse15 .cse26 .cse23 .cse16)) (.cse12 (< |old(~a12~0)| 6)) (.cse4 (<= (+ |old(~a18~0)| 156) 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse7) (or .cse8 .cse9 .cse10 .cse11 .cse1) (or .cse8 .cse9 .cse10 .cse2 .cse1) (or .cse8 .cse2 .cse1 .cse4 .cse7) (or .cse5 .cse0 .cse12 .cse1 .cse3) (or .cse8 .cse10 .cse13 .cse1) (or .cse8 .cse11 .cse4 .cse1 .cse7) (or .cse0 (and .cse14 .cse15 .cse16) .cse17) (or .cse8 .cse10 .cse5 .cse18 .cse12 .cse1 (< 8 |old(~a12~0)|)) (or .cse6 (and .cse19 .cse20 .cse21) .cse0 .cse18 .cse22) (or .cse8 .cse9 .cse13 .cse1 .cse7) (or .cse8 .cse9 .cse1 .cse2 .cse7) (or .cse8 (and .cse15 .cse23 .cse14 .cse16) .cse17 (< 7 |old(~a12~0)|)) (or .cse8 .cse13 .cse1 .cse4 .cse7) (or .cse1 .cse12 (or .cse5 .cse24 .cse25)) (or .cse8 .cse5 .cse12 .cse18 .cse1 .cse4 .cse22) (or .cse24 .cse13 .cse3 .cse4 .cse1) (or .cse13 (and .cse26 .cse23 (= ~a12~0 5) .cse15) .cse27 .cse4) (or .cse10 .cse24 (and .cse26 (= 3 ~a15~0) .cse23 .cse16) .cse11 .cse4) (or .cse8 .cse5 .cse12 .cse18 .cse1 .cse7) (or .cse27 .cse1 .cse2 .cse4) (or .cse8 .cse10 .cse1 .cse12 .cse4))))) [2018-12-09 17:27:22,633 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,633 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,634 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,634 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,634 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,634 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,634 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,634 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-12-09 17:27:22,634 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,634 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,634 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,634 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,634 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,634 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,634 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,634 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,634 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-12-09 17:27:22,634 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,634 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,634 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,634 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,634 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,634 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,634 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,634 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,634 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,634 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,635 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,635 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,635 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,635 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-09 17:27:22,635 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,635 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-09 17:27:22,635 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-09 17:27:22,635 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse19 (= 8 |old(~a12~0)|))) (let ((.cse9 (not (= calculate_output_~input 0))) (.cse3 (= |old(~a15~0)| ~a15~0)) (.cse4 (= ~a16~0 |old(~a16~0)|)) (.cse5 (= ~a18~0 |old(~a18~0)|)) (.cse6 (= |old(~a12~0)| ~a12~0)) (.cse22 (= 4 |old(~a15~0)|)) (.cse17 (= 6 |old(~a12~0)|)) (.cse15 (not .cse19)) (.cse8 (not (= 3 |old(~a15~0)|))) (.cse27 (not (= 11 |old(~a16~0)|)))) (let ((.cse11 (and (or .cse8 .cse15 .cse27) (or .cse8 (= 0 |old(~a18~0)|) .cse27))) (.cse21 (= |old(~a16~0)| ~a16~0)) (.cse7 (not (= 9 |old(~a16~0)|))) (.cse1 (< 0 (+ |old(~a18~0)| 388559))) (.cse12 (not .cse17)) (.cse26 (= ~a16~0 10)) (.cse24 (not (= 10 |old(~a16~0)|))) (.cse0 (not .cse22)) (.cse16 (and .cse3 .cse4 .cse5 .cse6)) (.cse23 (< 8 |old(~a16~0)|)) (.cse20 (not (= 8 |old(~a16~0)|))) (.cse2 (not (= 5 |old(~a12~0)|))) (.cse13 (and .cse3 .cse9 .cse4 .cse5 .cse6)) (.cse25 (< |old(~a16~0)| 12)) (.cse14 (<= (+ |old(~a18~0)| 156) 0)) (.cse18 (< |old(~a12~0)| 6)) (.cse10 (= |calculate_output_#in~input| 0))) (and (or .cse0 .cse1 .cse2 (and (not (= calculate_output_~input 4)) .cse3 .cse4 .cse5 .cse6) .cse7) (or .cse8 .cse2 .cse9 .cse10 .cse7) (or (or .cse10 .cse11 .cse12) .cse13 .cse14) (or .cse2 .cse10 (and .cse9 .cse4 .cse5 (= ~a12~0 5) .cse3) .cse11 .cse14) (or .cse0 .cse15 .cse14 .cse16 .cse7) (or .cse0 .cse17 .cse16 .cse18 .cse19 .cse7) (or .cse0 .cse1 .cse16 .cse12 .cse7) (or .cse0 .cse20 .cse16 .cse12 .cse14) (or (and .cse21 (or (not (= 5 ~a12~0)) (not (= 8 ~a16~0)) (not (= ~a15~0 3))) .cse3 .cse6) .cse22 .cse19 .cse23) (or .cse8 .cse2 .cse10 .cse24 .cse9) (or .cse17 .cse22 (and .cse21 .cse3 .cse6) .cse7) (or .cse0 .cse1 .cse20 .cse15 .cse16) (or .cse22 .cse16 .cse12 .cse25 .cse14) (or (or .cse0 .cse2) .cse16 .cse14 .cse7) (or .cse0 .cse12 .cse16 .cse14 .cse7) (or .cse0 .cse20 .cse16 .cse17 .cse19 .cse18 (< 8 |old(~a12~0)|)) (or .cse17 .cse22 .cse18 .cse16 .cse25) (or .cse0 .cse20 .cse2 .cse16) (or .cse0 .cse1 .cse20 .cse16 .cse12) (or .cse22 (and .cse26 .cse3 .cse6) .cse24) (or .cse0 .cse20 .cse16 .cse15 .cse14) (or .cse0 (and .cse3 .cse5 .cse26 .cse6) .cse24 (< 7 |old(~a12~0)|)) (or .cse0 .cse17 .cse18 .cse19 .cse16 .cse14 .cse23) (or .cse20 .cse8 (and .cse4 (= 3 ~a15~0) .cse5 .cse6) .cse15 .cse14) (or .cse8 .cse2 .cse10 .cse13 .cse25 .cse14) (or .cse18 (or .cse17 .cse8 .cse27 .cse10) (and .cse3 .cse4 .cse9 .cse5 .cse6)))))) [2018-12-09 17:27:22,635 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,635 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-12-09 17:27:22,635 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,635 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,635 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,635 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,635 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,635 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,635 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,635 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-09 17:27:22,635 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-09 17:27:22,635 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,636 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-09 17:27:22,636 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,636 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,636 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,636 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,636 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,636 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,636 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,636 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,636 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,636 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,636 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,636 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,636 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,636 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,636 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,636 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-09 17:27:22,636 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,636 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-09 17:27:22,636 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-09 17:27:22,636 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,636 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,636 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,636 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,636 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,637 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,637 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,637 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,637 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,637 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,637 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-09 17:27:22,637 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-09 17:27:22,637 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,637 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-09 17:27:22,637 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,637 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,637 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,637 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,637 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,637 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,637 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,637 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,637 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,637 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,637 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,637 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,637 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-09 17:27:22,637 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,637 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-09 17:27:22,637 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-09 17:27:22,638 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,638 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,638 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,638 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,638 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,638 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,638 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,638 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,638 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,638 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,638 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,638 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,638 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-09 17:27:22,638 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,638 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-09 17:27:22,638 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,638 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-09 17:27:22,638 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,638 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,638 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,638 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,638 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,638 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,638 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,638 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,638 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,639 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,639 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,639 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,639 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,639 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-09 17:27:22,639 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-09 17:27:22,639 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-09 17:27:22,639 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,639 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,639 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,639 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,639 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,639 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,639 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,639 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,639 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,639 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,639 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,639 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,639 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-09 17:27:22,639 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,639 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-09 17:27:22,639 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-09 17:27:22,639 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,639 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,640 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,640 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,640 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,640 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,640 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse27 (= 8 |old(~a12~0)|))) (let ((.cse12 (= ~a16~0 |old(~a16~0)|)) (.cse13 (= ~a18~0 |old(~a18~0)|)) (.cse7 (= 4 |old(~a15~0)|)) (.cse25 (+ |old(~a18~0)| 156)) (.cse6 (= 6 |old(~a12~0)|)) (.cse11 (not .cse27)) (.cse22 (= |old(~a15~0)| ~a15~0)) (.cse14 (= |old(~a12~0)| ~a12~0)) (.cse10 (not (= 8 |old(~a16~0)|))) (.cse1 (not (= 3 |old(~a15~0)|))) (.cse2 (not (= 5 |old(~a12~0)|))) (.cse19 (not (= 11 |old(~a16~0)|)))) (let ((.cse20 (and (or .cse10 .cse1 .cse2) (or .cse1 .cse2 (not (= (+ |old(~a18~0)| 87) 0)) .cse19))) (.cse21 (<= (+ ~a18~0 156) 0)) (.cse16 (< 0 (+ |old(~a18~0)| 388559))) (.cse9 (and (= |old(~a16~0)| ~a16~0) .cse22 .cse14)) (.cse4 (< |old(~a16~0)| 12)) (.cse23 (= ~a16~0 10)) (.cse24 (not (= 10 |old(~a16~0)|))) (.cse28 (< 8 |old(~a16~0)|)) (.cse3 (= |calculate_output_#in~input| 0)) (.cse26 (and (or .cse1 .cse11 .cse19) (or .cse1 (= 0 |old(~a18~0)|) .cse19))) (.cse17 (not .cse6)) (.cse5 (<= .cse25 0)) (.cse15 (not .cse7)) (.cse18 (< |old(~a12~0)| 6)) (.cse0 (and .cse22 .cse12 .cse13 .cse14)) (.cse8 (not (= 9 |old(~a16~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9) (or .cse10 .cse1 .cse11 .cse5 (and .cse12 (= 3 ~a15~0) .cse13 .cse14)) (or .cse15 .cse16 .cse17 .cse0 .cse8) (or .cse15 .cse11 .cse5 .cse0 .cse8) (or .cse15 .cse16 .cse2 .cse0 .cse8) (or .cse18 .cse0 (or .cse6 .cse1 .cse19 .cse3)) (or (<= (+ |old(~a18~0)| 79) 0) .cse3 .cse20 (or .cse21 (< 0 (+ ~a18~0 79)))) (or (and .cse22 .cse13 .cse23 .cse14) .cse15 .cse24 (< 7 |old(~a12~0)|)) (or .cse15 .cse10 .cse11 .cse0 .cse5) (or .cse15 .cse16 .cse0 .cse10 .cse17) (or .cse0 (or .cse15 .cse2) .cse5 .cse8) (or (and (<= |old(~a18~0)| 134) (< 0 .cse25)) .cse3 .cse20 (or .cse21 (< 134 ~a18~0))) (or .cse7 .cse0 .cse17 .cse4 .cse5) (or .cse15 .cse16 .cse10 .cse11 .cse0) (or .cse2 .cse3 (and .cse12 .cse13 (= ~a12~0 5) .cse22) .cse26 .cse5) (or .cse15 .cse17 .cse0 .cse5 .cse8) (or .cse15 .cse10 .cse0 .cse6 .cse27 .cse18 (< 8 |old(~a12~0)|)) (or .cse9 .cse7 .cse27 .cse28) (or .cse6 .cse7 .cse18 .cse0 .cse4) (or .cse15 .cse10 .cse2 .cse0) (or .cse7 (and .cse23 .cse22 .cse14) .cse24) (or .cse15 .cse10 .cse17 .cse5 .cse0) (or .cse15 .cse6 .cse18 .cse27 .cse0 .cse5 .cse28) (or (or .cse3 .cse26 .cse17) .cse0 .cse5) (or .cse15 .cse6 .cse18 .cse27 .cse0 .cse8))))) [2018-12-09 17:27:22,640 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,640 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,640 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,640 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,640 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,640 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,640 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,640 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,640 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,640 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-09 17:27:22,640 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-09 17:27:22,640 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-09 17:27:22,640 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,641 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,641 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,641 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,641 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,641 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,641 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,641 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,641 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,641 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,641 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,641 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-09 17:27:22,641 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,641 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 17:27:22,641 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-09 17:27:22,641 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,641 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,641 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,641 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,641 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,641 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,641 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,641 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,641 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,641 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,641 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,641 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,641 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-09 17:27:22,642 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-09 17:27:22,642 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-09 17:27:22,642 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,642 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,642 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,642 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,642 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,642 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,642 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,642 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,642 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,642 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,642 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,642 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,642 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-09 17:27:22,642 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,642 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-09 17:27:22,642 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-09 17:27:22,642 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,642 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,642 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,642 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,642 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,642 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,642 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,642 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,642 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,643 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,643 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,643 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 172) no Hoare annotation was computed. [2018-12-09 17:27:22,643 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,643 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-09 17:27:22,643 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 17:27:22,643 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-09 17:27:22,643 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,643 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,643 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,643 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,643 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,643 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,643 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,643 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,643 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,643 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,643 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,643 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,643 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,643 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-09 17:27:22,643 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-09 17:27:22,643 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,644 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,644 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,644 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,644 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,644 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,644 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,644 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,644 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,644 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,644 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-09 17:27:22,644 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-09 17:27:22,644 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,644 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,644 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,644 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,644 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,644 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,644 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,644 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,644 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,644 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,644 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,644 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,644 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,644 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,644 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-09 17:27:22,645 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-09 17:27:22,645 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,645 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,645 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,645 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,645 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,645 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,645 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,645 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,645 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,645 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,645 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-09 17:27:22,645 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-09 17:27:22,645 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,645 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,645 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,645 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,645 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,645 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,645 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,645 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,645 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,645 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,645 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,645 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,645 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,645 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,646 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,646 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-09 17:27:22,646 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-09 17:27:22,646 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,646 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,646 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,646 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,646 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,646 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,646 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,646 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,646 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-09 17:27:22,646 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,646 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,646 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,646 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,646 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-09 17:27:22,646 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-09 17:27:22,646 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-09 17:27:22,646 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,646 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,646 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,646 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,646 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,646 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,646 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,646 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,646 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,647 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,647 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,647 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,647 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,647 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,647 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-09 17:27:22,647 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-09 17:27:22,647 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-09 17:27:22,647 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,647 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,647 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,647 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,647 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,647 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,647 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,647 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,647 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,647 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,647 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,647 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,647 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,647 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,647 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,647 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-09 17:27:22,647 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-09 17:27:22,647 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-09 17:27:22,647 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,647 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,648 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,648 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,648 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,648 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,648 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,648 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,648 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 17:27:22,648 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-09 17:27:22,648 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-09 17:27:22,648 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-09 17:27:22,648 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,648 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,648 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-12-09 17:27:22,648 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 17:27:22,648 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= ~a15~0 3) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-12-09 17:27:22,648 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 17:27:22,648 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 17:27:22,648 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)|)) (and (= |old(~a15~0)| ~a15~0) (= ~a16~0 |old(~a16~0)|) (= ~a18~0 |old(~a18~0)|) (= |old(~a12~0)| ~a12~0)) (not (= (+ |old(~a18~0)| 87) 0))) [2018-12-09 17:27:22,648 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-12-09 17:27:22,648 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse15 (= ~a15~0 3)) (.cse9 (not (= ~a12~0 6))) (.cse0 (not (= ~a15~0 4))) (.cse18 (= ~a12~0 8))) (let ((.cse1 (not .cse18)) (.cse14 (= ~a16~0 10)) (.cse16 (and .cse9 .cse0 (not (= ~a16~0 12)))) (.cse10 (= 5 ~a12~0)) (.cse12 (<= 12 ~a16~0)) (.cse4 (< 0 (+ ~a18~0 156))) (.cse13 (= 6 ~a12~0)) (.cse7 (= 9 ~a16~0)) (.cse8 (= 8 ~a16~0)) (.cse6 (= 4 ~a15~0)) (.cse11 (<= (+ ~a18~0 388559) 0)) (.cse2 (not (= main_~input~0 0))) (.cse3 (let ((.cse17 (= ~a16~0 11))) (or (and .cse17 .cse15 (not (= ~a18~0 0))) (and .cse17 .cse15 .cse18)))) (.cse5 (<= 6 ~a12~0))) (or (and .cse0 (<= ~a16~0 8) .cse1) (not (= 11 |old(~a16~0)|)) (and .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse4 .cse5) (and (= ~a16~0 8) (= 3 ~a15~0) .cse4) (and .cse8 .cse6 .cse4 .cse5) (and .cse9 .cse1 .cse7 .cse5) (and .cse10 .cse11 .cse7) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse12 .cse13 (= |old(~a15~0)| ~a15~0) .cse4) (and .cse10 .cse7 .cse4) (and .cse14 (<= ~a12~0 7)) (and .cse9 .cse1 (<= ~a16~0 9) .cse4 .cse5) (and (and .cse2 .cse9 .cse15 .cse1) .cse5) (and .cse2 .cse3 .cse4 (= |old(~a12~0)| ~a12~0)) (not (= 5 |old(~a12~0)|)) (and .cse16 .cse14) (and .cse7 .cse16) (and .cse8 .cse10) (and .cse12 .cse9 .cse0 .cse5) (and (and .cse12 .cse2 .cse15 (= ~a12~0 5)) .cse4) (and .cse8 (= 7 ~a12~0)) (and .cse13 .cse6 .cse11 .cse7) (and .cse8 .cse6 (<= ~a12~0 8) .cse11 .cse5) (and .cse2 .cse9 .cse3 .cse5)))) [2018-12-09 17:27:22,649 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-12-09 17:27:22,649 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-12-09 17:27:22,649 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse1 (= ~a15~0 3)) (.cse0 (not (= ~a12~0 6))) (.cse4 (not (= ~a15~0 4))) (.cse19 (= ~a12~0 8))) (let ((.cse2 (not .cse19)) (.cse14 (= ~a16~0 10)) (.cse15 (and .cse0 .cse4 (not (= ~a16~0 12)))) (.cse9 (= 5 ~a12~0)) (.cse11 (<= 12 ~a16~0)) (.cse6 (= 9 ~a16~0)) (.cse8 (= 8 ~a16~0)) (.cse5 (= 4 ~a15~0)) (.cse10 (<= (+ ~a18~0 388559) 0)) (.cse3 (<= 6 ~a12~0)) (.cse16 (= ~a12~0 5)) (.cse12 (= 6 ~a12~0)) (.cse17 (let ((.cse18 (= ~a16~0 11))) (or (and .cse18 .cse1 .cse19) (and .cse18 .cse1 (not (= ~a12~0 0)) (not (= ~a18~0 0)))))) (.cse7 (< 0 (+ ~a18~0 156))) (.cse13 (= |old(~a15~0)| ~a15~0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and .cse4 (<= ~a16~0 8) .cse2) (not (= 11 |old(~a16~0)|)) (and .cse5 .cse6 .cse7 .cse3) (and (= ~a16~0 8) (= 3 ~a15~0) .cse7) (and .cse8 .cse5 .cse7 .cse3) (and .cse0 .cse2 .cse6 .cse3) (and .cse9 .cse10 .cse6) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse11 .cse12 .cse13 .cse7) (and .cse9 .cse6 .cse7) (and .cse14 (<= ~a12~0 7)) (and .cse0 .cse2 (<= ~a16~0 9) .cse7 .cse3) (not (= 5 |old(~a12~0)|)) (and .cse15 .cse14) (and (and .cse11 (and .cse1 .cse16)) .cse7) (and .cse6 .cse15) (and .cse8 .cse9) (and .cse11 .cse0 .cse4 .cse3) (and .cse8 (= 7 ~a12~0)) (and .cse12 .cse5 .cse10 .cse6) (and .cse8 .cse5 (<= ~a12~0 8) .cse10 .cse3) (and (and .cse16 .cse17) .cse7) (and .cse12 .cse17 .cse7) (and (= 8 ~a12~0) (= |old(~a16~0)| ~a16~0) .cse13)))) [2018-12-09 17:27:22,649 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-12-09 17:27:22,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:27:22 BoogieIcfgContainer [2018-12-09 17:27:22,657 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 17:27:22,657 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 17:27:22,657 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 17:27:22,657 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 17:27:22,658 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:21:24" (3/4) ... [2018-12-09 17:27:22,660 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 17:27:22,664 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 17:27:22,664 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-09 17:27:22,664 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 17:27:22,664 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 17:27:22,676 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-09 17:27:22,677 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 17:27:22,695 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((!(a12 == 6) && a15 == 3) && !(a12 == 8)) && 6 <= a12) || ((!(a15 == 4) && a16 <= 8) && !(a12 == 8))) || !(11 == \old(a16))) || (((4 == a15 && 9 == a16) && 0 < a18 + 156) && 6 <= a12)) || ((a16 == 8 && 3 == a15) && 0 < a18 + 156)) || (((8 == a16 && 4 == a15) && 0 < a18 + 156) && 6 <= a12)) || (((!(a12 == 6) && !(a12 == 8)) && 9 == a16) && 6 <= a12)) || ((5 == a12 && a18 + 388559 <= 0) && 9 == a16)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || (((12 <= a16 && 6 == a12) && \old(a15) == a15) && 0 < a18 + 156)) || ((5 == a12 && 9 == a16) && 0 < a18 + 156)) || (a16 == 10 && a12 <= 7)) || ((((!(a12 == 6) && !(a12 == 8)) && a16 <= 9) && 0 < a18 + 156) && 6 <= a12)) || !(5 == \old(a12))) || (((!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && a16 == 10)) || ((12 <= a16 && a15 == 3 && a12 == 5) && 0 < a18 + 156)) || (9 == a16 && (!(a12 == 6) && !(a15 == 4)) && !(a16 == 12))) || (8 == a16 && 5 == a12)) || (((12 <= a16 && !(a12 == 6)) && !(a15 == 4)) && 6 <= a12)) || (8 == a16 && 7 == a12)) || (((6 == a12 && 4 == a15) && a18 + 388559 <= 0) && 9 == a16)) || ((((8 == a16 && 4 == a15) && a12 <= 8) && a18 + 388559 <= 0) && 6 <= a12)) || ((a12 == 5 && (((a16 == 11 && a15 == 3) && a12 == 8) || (((a16 == 11 && a15 == 3) && !(a12 == 0)) && !(a18 == 0)))) && 0 < a18 + 156)) || ((6 == a12 && (((a16 == 11 && a15 == 3) && a12 == 8) || (((a16 == 11 && a15 == 3) && !(a12 == 0)) && !(a18 == 0)))) && 0 < a18 + 156)) || ((8 == a12 && \old(a16) == a16) && \old(a15) == a15) [2018-12-09 17:27:22,780 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7ed141fd-2be4-4f73-9721-4d5364fc9791/bin-2019/utaipan/witness.graphml [2018-12-09 17:27:22,780 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 17:27:22,781 INFO L168 Benchmark]: Toolchain (without parser) took 360029.48 ms. Allocated memory was 1.0 GB in the beginning and 5.4 GB in the end (delta: 4.4 GB). Free memory was 948.1 MB in the beginning and 1.4 GB in the end (delta: -451.5 MB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. [2018-12-09 17:27:22,781 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:27:22,781 INFO L168 Benchmark]: CACSL2BoogieTranslator took 578.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. [2018-12-09 17:27:22,781 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.28 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 17:27:22,782 INFO L168 Benchmark]: Boogie Preprocessor took 64.90 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 17:27:22,782 INFO L168 Benchmark]: RCFGBuilder took 1290.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 852.7 MB in the end (delta: 248.0 MB). Peak memory consumption was 248.0 MB. Max. memory is 11.5 GB. [2018-12-09 17:27:22,782 INFO L168 Benchmark]: TraceAbstraction took 357943.48 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 852.7 MB in the beginning and 1.5 GB in the end (delta: -627.7 MB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. [2018-12-09 17:27:22,782 INFO L168 Benchmark]: Witness Printer took 123.14 ms. Allocated memory is still 5.4 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 80.8 MB). Peak memory consumption was 80.8 MB. Max. memory is 11.5 GB. [2018-12-09 17:27:22,783 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 578.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.28 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.90 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1290.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 852.7 MB in the end (delta: 248.0 MB). Peak memory consumption was 248.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 357943.48 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 852.7 MB in the beginning and 1.5 GB in the end (delta: -627.7 MB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. * Witness Printer took 123.14 ms. Allocated memory is still 5.4 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 80.8 MB). Peak memory consumption was 80.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 172]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1773]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((!(a12 == 6) && a15 == 3) && !(a12 == 8)) && 6 <= a12) || ((!(a15 == 4) && a16 <= 8) && !(a12 == 8))) || !(11 == \old(a16))) || (((4 == a15 && 9 == a16) && 0 < a18 + 156) && 6 <= a12)) || ((a16 == 8 && 3 == a15) && 0 < a18 + 156)) || (((8 == a16 && 4 == a15) && 0 < a18 + 156) && 6 <= a12)) || (((!(a12 == 6) && !(a12 == 8)) && 9 == a16) && 6 <= a12)) || ((5 == a12 && a18 + 388559 <= 0) && 9 == a16)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || (((12 <= a16 && 6 == a12) && \old(a15) == a15) && 0 < a18 + 156)) || ((5 == a12 && 9 == a16) && 0 < a18 + 156)) || (a16 == 10 && a12 <= 7)) || ((((!(a12 == 6) && !(a12 == 8)) && a16 <= 9) && 0 < a18 + 156) && 6 <= a12)) || !(5 == \old(a12))) || (((!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && a16 == 10)) || ((12 <= a16 && a15 == 3 && a12 == 5) && 0 < a18 + 156)) || (9 == a16 && (!(a12 == 6) && !(a15 == 4)) && !(a16 == 12))) || (8 == a16 && 5 == a12)) || (((12 <= a16 && !(a12 == 6)) && !(a15 == 4)) && 6 <= a12)) || (8 == a16 && 7 == a12)) || (((6 == a12 && 4 == a15) && a18 + 388559 <= 0) && 9 == a16)) || ((((8 == a16 && 4 == a15) && a12 <= 8) && a18 + 388559 <= 0) && 6 <= a12)) || ((a12 == 5 && (((a16 == 11 && a15 == 3) && a12 == 8) || (((a16 == 11 && a15 == 3) && !(a12 == 0)) && !(a18 == 0)))) && 0 < a18 + 156)) || ((6 == a12 && (((a16 == 11 && a15 == 3) && a12 == 8) || (((a16 == 11 && a15 == 3) && !(a12 == 0)) && !(a18 == 0)))) && 0 < a18 + 156)) || ((8 == a12 && \old(a16) == a16) && \old(a15) == a15) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 357.8s OverallTime, 20 OverallIterations, 11 TraceHistogramMax, 304.9s AutomataDifference, 0.0s DeadEndRemovalTime, 10.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 3115 SDtfs, 32774 SDslu, 2683 SDs, 0 SdLazy, 75648 SolverSat, 8413 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 269.1s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 30572 GetRequests, 30173 SyntacticMatches, 23 SemanticMatches, 376 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4066 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14688occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.5s AbstIntTime, 15 AbstIntIterations, 5 AbstIntStrong, 0.998106410882217 AbsIntWeakeningRatio, 0.05844376486578321 AbsIntAvgWeakeningVarsNumRemoved, 16.10499490316004 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 20 MinimizatonAttempts, 1484 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1712 PreInvPairs, 2068 NumberOfFragments, 3295 HoareAnnotationTreeSize, 1712 FomulaSimplifications, 47898 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 48376 FormulaSimplificationTreeSizeReductionInter, 9.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 18.1s InterpolantComputationTime, 32041 NumberOfCodeBlocks, 32041 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 45578 ConstructedInterpolants, 0 QuantifiedInterpolants, 175077676 SizeOfPredicates, 8 NumberOfNonLiveVariables, 17638 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 40 InterpolantComputations, 9 PerfectInterpolantSequences, 128788/136072 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...