./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label36_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a20b7aa6-9be3-40a4-9b38-108b34727100/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a20b7aa6-9be3-40a4-9b38-108b34727100/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a20b7aa6-9be3-40a4-9b38-108b34727100/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a20b7aa6-9be3-40a4-9b38-108b34727100/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label36_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a20b7aa6-9be3-40a4-9b38-108b34727100/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a20b7aa6-9be3-40a4-9b38-108b34727100/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 9fc45ae4ddf84075a39a55d475a45c859aa435e6 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:55:22,332 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:55:22,333 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:55:22,339 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:55:22,339 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:55:22,340 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:55:22,341 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:55:22,341 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:55:22,342 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:55:22,343 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:55:22,343 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:55:22,343 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:55:22,344 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:55:22,345 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:55:22,345 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:55:22,346 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:55:22,346 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:55:22,348 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:55:22,349 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:55:22,349 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:55:22,350 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:55:22,351 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:55:22,353 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:55:22,353 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:55:22,353 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:55:22,353 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:55:22,354 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:55:22,354 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:55:22,355 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:55:22,356 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:55:22,356 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:55:22,356 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:55:22,356 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:55:22,356 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:55:22,357 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:55:22,358 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:55:22,358 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a20b7aa6-9be3-40a4-9b38-108b34727100/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 10:55:22,365 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:55:22,365 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:55:22,366 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:55:22,366 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:55:22,366 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:55:22,366 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:55:22,367 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:55:22,367 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 10:55:22,367 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:55:22,367 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:55:22,367 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 10:55:22,367 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 10:55:22,367 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:55:22,368 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:55:22,368 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:55:22,368 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:55:22,368 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:55:22,368 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:55:22,369 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:55:22,369 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:55:22,369 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:55:22,369 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:55:22,369 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:55:22,369 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:55:22,369 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:55:22,370 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:55:22,370 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:55:22,370 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:55:22,370 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:55:22,370 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:55:22,370 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:55:22,370 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:55:22,370 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:55:22,371 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 10:55:22,371 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:55:22,371 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:55:22,371 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 10:55:22,371 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_a20b7aa6-9be3-40a4-9b38-108b34727100/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 -> 9fc45ae4ddf84075a39a55d475a45c859aa435e6 [2018-11-18 10:55:22,395 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:55:22,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:55:22,406 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:55:22,407 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:55:22,407 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:55:22,408 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a20b7aa6-9be3-40a4-9b38-108b34727100/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label36_true-unreach-call_false-termination.c [2018-11-18 10:55:22,450 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a20b7aa6-9be3-40a4-9b38-108b34727100/bin-2019/utaipan/data/7fbebbd0c/6c785a68cf824821bf99267ed8c98a14/FLAG933bbd9ab [2018-11-18 10:55:22,808 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:55:22,809 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a20b7aa6-9be3-40a4-9b38-108b34727100/sv-benchmarks/c/eca-rers2012/Problem02_label36_true-unreach-call_false-termination.c [2018-11-18 10:55:22,817 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a20b7aa6-9be3-40a4-9b38-108b34727100/bin-2019/utaipan/data/7fbebbd0c/6c785a68cf824821bf99267ed8c98a14/FLAG933bbd9ab [2018-11-18 10:55:22,829 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a20b7aa6-9be3-40a4-9b38-108b34727100/bin-2019/utaipan/data/7fbebbd0c/6c785a68cf824821bf99267ed8c98a14 [2018-11-18 10:55:22,831 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:55:22,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:55:22,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:55:22,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:55:22,834 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:55:22,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:55:22" (1/1) ... [2018-11-18 10:55:22,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11524d60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:22, skipping insertion in model container [2018-11-18 10:55:22,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:55:22" (1/1) ... [2018-11-18 10:55:22,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:55:22,873 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:55:23,106 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:55:23,109 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:55:23,171 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:55:23,183 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:55:23,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:23 WrapperNode [2018-11-18 10:55:23,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:55:23,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:55:23,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:55:23,184 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:55:23,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:23" (1/1) ... [2018-11-18 10:55:23,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:23" (1/1) ... [2018-11-18 10:55:23,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:55:23,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:55:23,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:55:23,255 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:55:23,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:23" (1/1) ... [2018-11-18 10:55:23,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:23" (1/1) ... [2018-11-18 10:55:23,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:23" (1/1) ... [2018-11-18 10:55:23,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:23" (1/1) ... [2018-11-18 10:55:23,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:23" (1/1) ... [2018-11-18 10:55:23,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:23" (1/1) ... [2018-11-18 10:55:23,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:23" (1/1) ... [2018-11-18 10:55:23,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:55:23,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:55:23,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:55:23,306 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:55:23,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a20b7aa6-9be3-40a4-9b38-108b34727100/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:55:23,363 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 10:55:23,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:55:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:55:23,364 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 10:55:23,364 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 10:55:23,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:55:23,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:55:23,364 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:55:23,364 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:55:24,115 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:55:24,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:55:24 BoogieIcfgContainer [2018-11-18 10:55:24,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:55:24,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:55:24,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:55:24,119 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:55:24,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:55:22" (1/3) ... [2018-11-18 10:55:24,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f5b9c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:55:24, skipping insertion in model container [2018-11-18 10:55:24,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:23" (2/3) ... [2018-11-18 10:55:24,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f5b9c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:55:24, skipping insertion in model container [2018-11-18 10:55:24,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:55:24" (3/3) ... [2018-11-18 10:55:24,121 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label36_true-unreach-call_false-termination.c [2018-11-18 10:55:24,127 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:55:24,132 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:55:24,140 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:55:24,163 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:55:24,163 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:55:24,163 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:55:24,163 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:55:24,163 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:55:24,163 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:55:24,163 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:55:24,163 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:55:24,179 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-18 10:55:24,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 10:55:24,189 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:55:24,189 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:55:24,191 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:55:24,195 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:24,195 INFO L82 PathProgramCache]: Analyzing trace with hash -887392241, now seen corresponding path program 1 times [2018-11-18 10:55:24,196 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:55:24,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:24,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:55:24,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:24,226 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:55:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:55:24,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:55:24,482 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:55:24,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:55:24,482 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:55:24,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:55:24,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:55:24,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:55:24,495 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-18 10:55:25,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:55:25,019 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-11-18 10:55:25,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:55:25,020 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2018-11-18 10:55:25,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:55:25,030 INFO L225 Difference]: With dead ends: 618 [2018-11-18 10:55:25,030 INFO L226 Difference]: Without dead ends: 379 [2018-11-18 10:55:25,033 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:55:25,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-11-18 10:55:25,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-11-18 10:55:25,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-11-18 10:55:25,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 621 transitions. [2018-11-18 10:55:25,078 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 621 transitions. Word has length 139 [2018-11-18 10:55:25,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:55:25,079 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 621 transitions. [2018-11-18 10:55:25,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:55:25,079 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 621 transitions. [2018-11-18 10:55:25,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 10:55:25,082 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:55:25,082 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:55:25,084 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:55:25,085 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:25,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1146144614, now seen corresponding path program 1 times [2018-11-18 10:55:25,085 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:55:25,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:25,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:55:25,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:25,086 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:55:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:55:25,247 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:55:25,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:55:25,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 10:55:25,247 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:55:25,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 10:55:25,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:55:25,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:55:25,249 INFO L87 Difference]: Start difference. First operand 379 states and 621 transitions. Second operand 6 states. [2018-11-18 10:55:25,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:55:25,984 INFO L93 Difference]: Finished difference Result 1231 states and 2094 transitions. [2018-11-18 10:55:25,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 10:55:25,989 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 155 [2018-11-18 10:55:25,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:55:25,994 INFO L225 Difference]: With dead ends: 1231 [2018-11-18 10:55:25,995 INFO L226 Difference]: Without dead ends: 858 [2018-11-18 10:55:25,997 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:55:25,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2018-11-18 10:55:26,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 821. [2018-11-18 10:55:26,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2018-11-18 10:55:26,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1290 transitions. [2018-11-18 10:55:26,028 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1290 transitions. Word has length 155 [2018-11-18 10:55:26,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:55:26,028 INFO L480 AbstractCegarLoop]: Abstraction has 821 states and 1290 transitions. [2018-11-18 10:55:26,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 10:55:26,029 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1290 transitions. [2018-11-18 10:55:26,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 10:55:26,032 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:55:26,032 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2018-11-18 10:55:26,032 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:55:26,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:26,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1857852795, now seen corresponding path program 1 times [2018-11-18 10:55:26,033 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:55:26,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:26,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:55:26,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:26,034 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:55:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:55:26,119 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:55:26,119 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:55:26,119 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 10:55:26,120 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:55:26,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 10:55:26,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:55:26,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:55:26,121 INFO L87 Difference]: Start difference. First operand 821 states and 1290 transitions. Second operand 6 states. [2018-11-18 10:55:26,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:55:26,996 INFO L93 Difference]: Finished difference Result 2553 states and 4218 transitions. [2018-11-18 10:55:26,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 10:55:26,998 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2018-11-18 10:55:26,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:55:27,005 INFO L225 Difference]: With dead ends: 2553 [2018-11-18 10:55:27,005 INFO L226 Difference]: Without dead ends: 1738 [2018-11-18 10:55:27,009 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:55:27,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2018-11-18 10:55:27,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 1680. [2018-11-18 10:55:27,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1680 states. [2018-11-18 10:55:27,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 2538 transitions. [2018-11-18 10:55:27,051 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 2538 transitions. Word has length 162 [2018-11-18 10:55:27,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:55:27,051 INFO L480 AbstractCegarLoop]: Abstraction has 1680 states and 2538 transitions. [2018-11-18 10:55:27,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 10:55:27,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2538 transitions. [2018-11-18 10:55:27,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 10:55:27,056 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:55:27,057 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:55:27,057 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:55:27,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:27,057 INFO L82 PathProgramCache]: Analyzing trace with hash 195127661, now seen corresponding path program 1 times [2018-11-18 10:55:27,057 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:55:27,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:27,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:55:27,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:27,058 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:55:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:55:27,145 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 10:55:27,145 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:55:27,145 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:55:27,146 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 165 with the following transitions: [2018-11-18 10:55:27,147 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 10:55:27,180 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:55:27,180 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:55:27,502 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 10:55:27,504 INFO L272 AbstractInterpreter]: Visited 140 different actions 140 times. Never merged. Never widened. Performed 1516 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1516 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-18 10:55:27,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:27,524 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 10:55:27,803 INFO L227 lantSequenceWeakener]: Weakened 155 states. On average, predicates are now at 81.32% of their original sizes. [2018-11-18 10:55:27,803 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 10:55:27,847 INFO L415 sIntCurrentIteration]: We unified 163 AI predicates to 163 [2018-11-18 10:55:27,847 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 10:55:27,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:55:27,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 10:55:27,848 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:55:27,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 10:55:27,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:55:27,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:55:27,849 INFO L87 Difference]: Start difference. First operand 1680 states and 2538 transitions. Second operand 6 states. [2018-11-18 10:55:29,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:55:29,363 INFO L93 Difference]: Finished difference Result 3502 states and 5277 transitions. [2018-11-18 10:55:29,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 10:55:29,363 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-11-18 10:55:29,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:55:29,370 INFO L225 Difference]: With dead ends: 3502 [2018-11-18 10:55:29,371 INFO L226 Difference]: Without dead ends: 1828 [2018-11-18 10:55:29,375 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 164 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:55:29,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1828 states. [2018-11-18 10:55:29,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1828 to 1825. [2018-11-18 10:55:29,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1825 states. [2018-11-18 10:55:29,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 1825 states and 2690 transitions. [2018-11-18 10:55:29,414 INFO L78 Accepts]: Start accepts. Automaton has 1825 states and 2690 transitions. Word has length 164 [2018-11-18 10:55:29,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:55:29,414 INFO L480 AbstractCegarLoop]: Abstraction has 1825 states and 2690 transitions. [2018-11-18 10:55:29,414 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 10:55:29,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2690 transitions. [2018-11-18 10:55:29,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 10:55:29,419 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:55:29,420 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:55:29,420 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:55:29,420 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:29,420 INFO L82 PathProgramCache]: Analyzing trace with hash -6587698, now seen corresponding path program 1 times [2018-11-18 10:55:29,420 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:55:29,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:29,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:55:29,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:29,421 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:55:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:55:29,541 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:55:29,541 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:55:29,541 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:55:29,541 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-11-18 10:55:29,542 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 10:55:29,545 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:55:29,546 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:55:29,950 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 10:55:29,950 INFO L272 AbstractInterpreter]: Visited 144 different actions 425 times. Merged at 7 different actions 15 times. Never widened. Performed 4710 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4710 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 10:55:29,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:29,972 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 10:55:30,195 INFO L227 lantSequenceWeakener]: Weakened 171 states. On average, predicates are now at 84.8% of their original sizes. [2018-11-18 10:55:30,195 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 10:55:30,249 INFO L415 sIntCurrentIteration]: We unified 173 AI predicates to 173 [2018-11-18 10:55:30,249 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 10:55:30,249 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:55:30,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-18 10:55:30,250 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:55:30,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 10:55:30,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 10:55:30,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:55:30,251 INFO L87 Difference]: Start difference. First operand 1825 states and 2690 transitions. Second operand 9 states. [2018-11-18 10:55:33,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:55:33,537 INFO L93 Difference]: Finished difference Result 4527 states and 6707 transitions. [2018-11-18 10:55:33,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 10:55:33,537 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 174 [2018-11-18 10:55:33,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:55:33,544 INFO L225 Difference]: With dead ends: 4527 [2018-11-18 10:55:33,544 INFO L226 Difference]: Without dead ends: 2708 [2018-11-18 10:55:33,547 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 181 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-18 10:55:33,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2708 states. [2018-11-18 10:55:33,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2708 to 2631. [2018-11-18 10:55:33,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2631 states. [2018-11-18 10:55:33,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2631 states to 2631 states and 3698 transitions. [2018-11-18 10:55:33,635 INFO L78 Accepts]: Start accepts. Automaton has 2631 states and 3698 transitions. Word has length 174 [2018-11-18 10:55:33,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:55:33,635 INFO L480 AbstractCegarLoop]: Abstraction has 2631 states and 3698 transitions. [2018-11-18 10:55:33,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 10:55:33,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2631 states and 3698 transitions. [2018-11-18 10:55:33,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 10:55:33,639 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:55:33,639 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 10:55:33,640 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:55:33,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:33,640 INFO L82 PathProgramCache]: Analyzing trace with hash -383543010, now seen corresponding path program 1 times [2018-11-18 10:55:33,640 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:55:33,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:33,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:55:33,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:33,641 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:55:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:55:33,715 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:55:33,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:55:33,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:55:33,716 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:55:33,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:55:33,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:55:33,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:55:33,720 INFO L87 Difference]: Start difference. First operand 2631 states and 3698 transitions. Second operand 3 states. [2018-11-18 10:55:34,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:55:34,074 INFO L93 Difference]: Finished difference Result 6470 states and 9537 transitions. [2018-11-18 10:55:34,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:55:34,074 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 176 [2018-11-18 10:55:34,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:55:34,081 INFO L225 Difference]: With dead ends: 6470 [2018-11-18 10:55:34,081 INFO L226 Difference]: Without dead ends: 2633 [2018-11-18 10:55:34,088 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:55:34,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2633 states. [2018-11-18 10:55:34,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2633 to 2572. [2018-11-18 10:55:34,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2572 states. [2018-11-18 10:55:34,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2572 states to 2572 states and 3335 transitions. [2018-11-18 10:55:34,119 INFO L78 Accepts]: Start accepts. Automaton has 2572 states and 3335 transitions. Word has length 176 [2018-11-18 10:55:34,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:55:34,119 INFO L480 AbstractCegarLoop]: Abstraction has 2572 states and 3335 transitions. [2018-11-18 10:55:34,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:55:34,120 INFO L276 IsEmpty]: Start isEmpty. Operand 2572 states and 3335 transitions. [2018-11-18 10:55:34,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-18 10:55:34,123 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:55:34,123 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:55:34,124 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:55:34,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:34,124 INFO L82 PathProgramCache]: Analyzing trace with hash 2018561843, now seen corresponding path program 1 times [2018-11-18 10:55:34,124 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:55:34,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:34,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:55:34,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:34,125 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:55:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:55:34,197 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 66 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 10:55:34,197 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:55:34,198 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:55:34,198 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 202 with the following transitions: [2018-11-18 10:55:34,198 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 10:55:34,202 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:55:34,202 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:55:34,388 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 10:55:34,388 INFO L272 AbstractInterpreter]: Visited 144 different actions 430 times. Merged at 8 different actions 20 times. Never widened. Performed 4836 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4836 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 10:55:34,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:34,390 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 10:55:34,576 INFO L227 lantSequenceWeakener]: Weakened 198 states. On average, predicates are now at 84.81% of their original sizes. [2018-11-18 10:55:34,576 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 10:55:34,606 INFO L415 sIntCurrentIteration]: We unified 200 AI predicates to 200 [2018-11-18 10:55:34,606 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 10:55:34,606 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:55:34,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-18 10:55:34,607 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:55:34,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 10:55:34,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 10:55:34,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:55:34,607 INFO L87 Difference]: Start difference. First operand 2572 states and 3335 transitions. Second operand 9 states. [2018-11-18 10:55:37,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:55:37,045 INFO L93 Difference]: Finished difference Result 5303 states and 6767 transitions. [2018-11-18 10:55:37,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 10:55:37,045 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 201 [2018-11-18 10:55:37,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:55:37,050 INFO L225 Difference]: With dead ends: 5303 [2018-11-18 10:55:37,050 INFO L226 Difference]: Without dead ends: 2737 [2018-11-18 10:55:37,053 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 211 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2018-11-18 10:55:37,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2737 states. [2018-11-18 10:55:37,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2737 to 2696. [2018-11-18 10:55:37,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2696 states. [2018-11-18 10:55:37,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2696 states to 2696 states and 3276 transitions. [2018-11-18 10:55:37,082 INFO L78 Accepts]: Start accepts. Automaton has 2696 states and 3276 transitions. Word has length 201 [2018-11-18 10:55:37,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:55:37,083 INFO L480 AbstractCegarLoop]: Abstraction has 2696 states and 3276 transitions. [2018-11-18 10:55:37,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 10:55:37,083 INFO L276 IsEmpty]: Start isEmpty. Operand 2696 states and 3276 transitions. [2018-11-18 10:55:37,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-18 10:55:37,087 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:55:37,087 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 10:55:37,087 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:55:37,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:37,088 INFO L82 PathProgramCache]: Analyzing trace with hash -433238302, now seen corresponding path program 1 times [2018-11-18 10:55:37,088 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:55:37,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:37,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:55:37,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:37,089 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:55:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:55:37,167 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 107 proven. 35 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 10:55:37,168 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:55:37,168 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:55:37,168 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 245 with the following transitions: [2018-11-18 10:55:37,168 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 10:55:37,172 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:55:37,172 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:55:37,411 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:55:37,411 INFO L272 AbstractInterpreter]: Visited 147 different actions 578 times. Merged at 8 different actions 30 times. Never widened. Performed 6722 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6722 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 10:55:37,420 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:37,421 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:55:37,421 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:55:37,421 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a20b7aa6-9be3-40a4-9b38-108b34727100/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:55:37,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:55:37,431 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:55:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:55:37,507 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:55:37,609 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-18 10:55:37,609 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:55:37,713 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 107 proven. 35 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 10:55:37,739 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 10:55:37,740 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 10:55:37,740 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 10:55:37,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 10:55:37,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 10:55:37,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:55:37,741 INFO L87 Difference]: Start difference. First operand 2696 states and 3276 transitions. Second operand 9 states. [2018-11-18 10:55:38,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:55:38,460 INFO L93 Difference]: Finished difference Result 6420 states and 7932 transitions. [2018-11-18 10:55:38,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 10:55:38,460 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 244 [2018-11-18 10:55:38,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:55:38,467 INFO L225 Difference]: With dead ends: 6420 [2018-11-18 10:55:38,467 INFO L226 Difference]: Without dead ends: 3730 [2018-11-18 10:55:38,470 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 487 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-11-18 10:55:38,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3730 states. [2018-11-18 10:55:38,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3730 to 3683. [2018-11-18 10:55:38,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3683 states. [2018-11-18 10:55:38,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3683 states to 3683 states and 4477 transitions. [2018-11-18 10:55:38,510 INFO L78 Accepts]: Start accepts. Automaton has 3683 states and 4477 transitions. Word has length 244 [2018-11-18 10:55:38,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:55:38,510 INFO L480 AbstractCegarLoop]: Abstraction has 3683 states and 4477 transitions. [2018-11-18 10:55:38,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 10:55:38,510 INFO L276 IsEmpty]: Start isEmpty. Operand 3683 states and 4477 transitions. [2018-11-18 10:55:38,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-18 10:55:38,516 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:55:38,516 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-11-18 10:55:38,517 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:55:38,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:38,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1128509478, now seen corresponding path program 1 times [2018-11-18 10:55:38,517 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:55:38,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:38,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:55:38,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:38,518 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:55:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:55:38,604 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 115 proven. 35 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 10:55:38,604 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:55:38,604 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:55:38,604 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 249 with the following transitions: [2018-11-18 10:55:38,605 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 10:55:38,607 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:55:38,607 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:55:38,859 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:55:38,859 INFO L272 AbstractInterpreter]: Visited 147 different actions 577 times. Merged at 8 different actions 29 times. Never widened. Performed 6811 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6811 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 10:55:38,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:38,864 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:55:38,864 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:55:38,864 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a20b7aa6-9be3-40a4-9b38-108b34727100/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:55:38,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:55:38,871 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:55:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:55:38,934 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:55:38,993 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 149 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:55:38,993 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:55:39,053 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 149 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:55:39,068 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 10:55:39,068 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 10:55:39,068 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 10:55:39,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 10:55:39,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 10:55:39,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-11-18 10:55:39,069 INFO L87 Difference]: Start difference. First operand 3683 states and 4477 transitions. Second operand 9 states. [2018-11-18 10:55:40,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:55:40,691 INFO L93 Difference]: Finished difference Result 8100 states and 10004 transitions. [2018-11-18 10:55:40,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-18 10:55:40,692 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 248 [2018-11-18 10:55:40,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:55:40,696 INFO L225 Difference]: With dead ends: 8100 [2018-11-18 10:55:40,696 INFO L226 Difference]: Without dead ends: 2579 [2018-11-18 10:55:40,701 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 514 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=311, Invalid=949, Unknown=0, NotChecked=0, Total=1260 [2018-11-18 10:55:40,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2018-11-18 10:55:40,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 2475. [2018-11-18 10:55:40,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2475 states. [2018-11-18 10:55:40,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2475 states and 2841 transitions. [2018-11-18 10:55:40,729 INFO L78 Accepts]: Start accepts. Automaton has 2475 states and 2841 transitions. Word has length 248 [2018-11-18 10:55:40,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:55:40,729 INFO L480 AbstractCegarLoop]: Abstraction has 2475 states and 2841 transitions. [2018-11-18 10:55:40,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 10:55:40,730 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 2841 transitions. [2018-11-18 10:55:40,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 10:55:40,733 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:55:40,734 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 10:55:40,734 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:55:40,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:40,734 INFO L82 PathProgramCache]: Analyzing trace with hash -1231061936, now seen corresponding path program 1 times [2018-11-18 10:55:40,734 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:55:40,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:40,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:55:40,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:40,735 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:55:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:55:40,824 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 105 proven. 54 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:55:40,824 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:55:40,824 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:55:40,825 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 250 with the following transitions: [2018-11-18 10:55:40,825 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 10:55:40,827 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:55:40,827 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:55:40,989 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 10:55:40,989 INFO L272 AbstractInterpreter]: Visited 144 different actions 424 times. Merged at 7 different actions 14 times. Never widened. Performed 4763 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4763 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 10:55:40,992 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:40,992 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 10:55:41,178 INFO L227 lantSequenceWeakener]: Weakened 244 states. On average, predicates are now at 84.82% of their original sizes. [2018-11-18 10:55:41,178 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 10:55:41,222 INFO L415 sIntCurrentIteration]: We unified 248 AI predicates to 248 [2018-11-18 10:55:41,223 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 10:55:41,223 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:55:41,223 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 17 [2018-11-18 10:55:41,223 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:55:41,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 10:55:41,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 10:55:41,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:55:41,223 INFO L87 Difference]: Start difference. First operand 2475 states and 2841 transitions. Second operand 9 states. [2018-11-18 10:55:43,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:55:43,276 INFO L93 Difference]: Finished difference Result 5495 states and 6302 transitions. [2018-11-18 10:55:43,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 10:55:43,276 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 249 [2018-11-18 10:55:43,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:55:43,281 INFO L225 Difference]: With dead ends: 5495 [2018-11-18 10:55:43,281 INFO L226 Difference]: Without dead ends: 3334 [2018-11-18 10:55:43,283 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 255 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-18 10:55:43,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3334 states. [2018-11-18 10:55:43,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3334 to 3300. [2018-11-18 10:55:43,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3300 states. [2018-11-18 10:55:43,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3300 states to 3300 states and 3757 transitions. [2018-11-18 10:55:43,316 INFO L78 Accepts]: Start accepts. Automaton has 3300 states and 3757 transitions. Word has length 249 [2018-11-18 10:55:43,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:55:43,316 INFO L480 AbstractCegarLoop]: Abstraction has 3300 states and 3757 transitions. [2018-11-18 10:55:43,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 10:55:43,316 INFO L276 IsEmpty]: Start isEmpty. Operand 3300 states and 3757 transitions. [2018-11-18 10:55:43,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-11-18 10:55:43,321 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:55:43,321 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 10:55:43,321 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:55:43,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:43,322 INFO L82 PathProgramCache]: Analyzing trace with hash 313421001, now seen corresponding path program 1 times [2018-11-18 10:55:43,322 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:55:43,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:43,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:55:43,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:43,322 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:55:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:55:43,428 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 160 proven. 95 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-18 10:55:43,428 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:55:43,428 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:55:43,429 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 305 with the following transitions: [2018-11-18 10:55:43,429 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [225], [228], [232], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 10:55:43,431 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:55:43,431 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:55:43,674 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 10:55:43,674 INFO L272 AbstractInterpreter]: Visited 147 different actions 580 times. Merged at 8 different actions 29 times. Never widened. Performed 6645 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6645 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 10:55:43,680 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:43,680 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 10:55:43,868 INFO L227 lantSequenceWeakener]: Weakened 299 states. On average, predicates are now at 87.05% of their original sizes. [2018-11-18 10:55:43,868 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 10:55:43,910 INFO L415 sIntCurrentIteration]: We unified 303 AI predicates to 303 [2018-11-18 10:55:43,910 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 10:55:43,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:55:43,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 19 [2018-11-18 10:55:43,911 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:55:43,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 10:55:43,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 10:55:43,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-11-18 10:55:43,911 INFO L87 Difference]: Start difference. First operand 3300 states and 3757 transitions. Second operand 11 states. [2018-11-18 10:55:45,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:55:45,804 INFO L93 Difference]: Finished difference Result 4426 states and 5018 transitions. [2018-11-18 10:55:45,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 10:55:45,804 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 304 [2018-11-18 10:55:45,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:55:45,804 INFO L225 Difference]: With dead ends: 4426 [2018-11-18 10:55:45,805 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 10:55:45,810 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 314 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=117, Invalid=345, Unknown=0, NotChecked=0, Total=462 [2018-11-18 10:55:45,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 10:55:45,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 10:55:45,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 10:55:45,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 10:55:45,811 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 304 [2018-11-18 10:55:45,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:55:45,811 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:55:45,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 10:55:45,811 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 10:55:45,811 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:55:45,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 10:55:45,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:45,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:45,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:45,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:45,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:45,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:45,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:45,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:45,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:45,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:45,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:45,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:45,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:45,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:46,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:46,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:46,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:46,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:46,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:46,753 WARN L180 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 75 [2018-11-18 10:55:46,871 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 53 [2018-11-18 10:55:47,161 WARN L180 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 59 [2018-11-18 10:55:47,162 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:55:47,163 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-18 10:55:47,163 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:55:47,163 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,163 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,163 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,163 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,163 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,163 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-18 10:55:47,163 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-18 10:55:47,163 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-18 10:55:47,163 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 10:55:47,163 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-18 10:55:47,164 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 10:55:47,164 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-18 10:55:47,164 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-18 10:55:47,164 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-18 10:55:47,164 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-18 10:55:47,164 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 10:55:47,164 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-18 10:55:47,164 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-18 10:55:47,164 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,164 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,164 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,164 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,164 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 10:55:47,165 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,165 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-18 10:55:47,165 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 10:55:47,165 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 10:55:47,165 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-18 10:55:47,165 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 10:55:47,165 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-18 10:55:47,165 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-18 10:55:47,165 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 10:55:47,165 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-18 10:55:47,165 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-18 10:55:47,165 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-18 10:55:47,165 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-18 10:55:47,165 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-18 10:55:47,166 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-18 10:55:47,166 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-18 10:55:47,166 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,166 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,166 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,166 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,166 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,176 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-18 10:55:47,176 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-18 10:55:47,176 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-18 10:55:47,176 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-18 10:55:47,176 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 10:55:47,176 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 10:55:47,177 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 10:55:47,177 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-18 10:55:47,177 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-18 10:55:47,177 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-18 10:55:47,177 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-18 10:55:47,177 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,177 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,177 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,177 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,177 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,177 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-18 10:55:47,177 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-18 10:55:47,177 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-18 10:55:47,177 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-18 10:55:47,178 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 10:55:47,178 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-18 10:55:47,178 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 10:55:47,178 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-18 10:55:47,178 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-18 10:55:47,178 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-18 10:55:47,178 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-18 10:55:47,178 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-18 10:55:47,178 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-18 10:55:47,178 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,178 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,178 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,178 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,178 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,179 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-18 10:55:47,179 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 10:55:47,179 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-18 10:55:47,179 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-18 10:55:47,179 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 10:55:47,179 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 10:55:47,179 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-18 10:55:47,179 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-18 10:55:47,179 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-18 10:55:47,179 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-18 10:55:47,179 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-18 10:55:47,179 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-18 10:55:47,179 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-18 10:55:47,179 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 10:55:47,179 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-18 10:55:47,180 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 10:55:47,180 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,180 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,180 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,180 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,180 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-18 10:55:47,180 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,184 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-18 10:55:47,184 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,184 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-18 10:55:47,184 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-18 10:55:47,184 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-18 10:55:47,185 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,185 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,185 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 10:55:47,185 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 10:55:47,185 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-18 10:55:47,185 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 10:55:47,185 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 10:55:47,185 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-18 10:55:47,185 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-18 10:55:47,185 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-18 10:55:47,185 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 568) no Hoare annotation was computed. [2018-11-18 10:55:47,185 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-18 10:55:47,185 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-18 10:55:47,186 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-18 10:55:47,186 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,186 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,186 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,186 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,186 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,186 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,186 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-18 10:55:47,186 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-18 10:55:47,186 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 10:55:47,186 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 10:55:47,186 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 10:55:47,186 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 10:55:47,186 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 10:55:47,186 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-18 10:55:47,187 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-18 10:55:47,187 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-18 10:55:47,187 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-18 10:55:47,187 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,187 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,187 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,187 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,187 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,187 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,187 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-18 10:55:47,187 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-18 10:55:47,187 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-18 10:55:47,187 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-18 10:55:47,187 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 10:55:47,188 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-18 10:55:47,188 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-18 10:55:47,188 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 10:55:47,188 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-18 10:55:47,188 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-18 10:55:47,188 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-18 10:55:47,188 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-18 10:55:47,188 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-18 10:55:47,188 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-18 10:55:47,188 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,188 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,188 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,189 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse2 (<= ~a17~0 |old(~a17~0)|)) (.cse3 (= |old(~a28~0)| ~a28~0)) (.cse13 (= ~a19~0 1)) (.cse14 (not (= ~a17~0 0))) (.cse6 (= ~a25~0 |old(~a25~0)|)) (.cse8 (= 1 |old(~a25~0)|))) (let ((.cse0 (< 10 |old(~a28~0)|)) (.cse22 (not (= 0 |old(~a11~0)|))) (.cse21 (= ~a11~0 0)) (.cse16 (= ~a17~0 8)) (.cse18 (not (= 8 |old(~a17~0)|))) (.cse4 (= |old(~a19~0)| ~a19~0)) (.cse5 (= 1 ~a11~0)) (.cse17 (= |old(~a25~0)| ~a25~0)) (.cse1 (not (= 1 |old(~a11~0)|))) (.cse9 (not (= 1 ~a21~0))) (.cse10 (= 0 |old(~a17~0)|)) (.cse20 (not .cse8)) (.cse11 (not (= 1 |old(~a19~0)|))) (.cse12 (= 0 |old(~a28~0)|)) (.cse23 (= |old(~a11~0)| |old(~a19~0)|)) (.cse15 (= |calculate_output_#in~input| 0)) (.cse19 (and .cse2 (= ~a11~0 |old(~a11~0)|) .cse3 .cse13 .cse14 .cse6)) (.cse7 (< 7 |old(~a17~0)|))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8) (or .cse9 .cse10 .cse11 .cse12 (and .cse2 .cse3 .cse5 .cse13 .cse14 .cse6) .cse15 .cse1 .cse8 .cse7) (or (and (not (= ~a28~0 0)) .cse5 .cse16 .cse17 .cse13) .cse9 .cse11 .cse12 .cse18 .cse15 .cse1) (or .cse0 .cse9 .cse10 .cse11 .cse12 .cse15 .cse7 .cse19) (or .cse9 .cse20 .cse11 .cse12 (and .cse3 .cse21 .cse16 .cse13 .cse6) .cse22 .cse18 .cse15) (or .cse0 .cse9 .cse12 .cse22 .cse18 .cse15 (and .cse3 .cse4 .cse21 .cse16 .cse6)) (or .cse9 (not (= 7 |old(~a28~0)|)) .cse20 .cse11 (= ~a28~0 7) .cse18 .cse15 .cse1) (or (and .cse4 .cse5 .cse17) .cse23 .cse1) (or (= 7 |old(~a17~0)|) (not (= ~a17~0 7)) .cse23 .cse1) (or .cse9 .cse10 .cse20 .cse11 .cse12 .cse23 .cse15 .cse19 .cse7)))) [2018-11-18 10:55:47,189 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,189 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,189 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,189 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-18 10:55:47,189 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-18 10:55:47,189 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-18 10:55:47,189 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-18 10:55:47,189 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 10:55:47,189 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 10:55:47,189 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-18 10:55:47,189 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 10:55:47,190 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-18 10:55:47,190 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-18 10:55:47,190 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-18 10:55:47,190 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-18 10:55:47,190 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-18 10:55:47,190 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,190 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,190 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,190 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,190 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,190 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,190 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-18 10:55:47,190 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-18 10:55:47,190 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 10:55:47,190 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-18 10:55:47,191 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-18 10:55:47,191 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-18 10:55:47,191 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 10:55:47,191 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-18 10:55:47,191 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-18 10:55:47,191 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-18 10:55:47,191 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-18 10:55:47,191 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-18 10:55:47,191 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-18 10:55:47,191 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-18 10:55:47,191 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-18 10:55:47,191 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-18 10:55:47,191 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,191 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,192 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,192 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,192 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:47,192 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-18 10:55:47,192 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-18 10:55:47,192 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-18 10:55:47,192 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-18 10:55:47,192 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 10:55:47,192 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 10:55:47,192 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 10:55:47,192 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 10:55:47,192 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 10:55:47,192 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 10:55:47,192 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-18 10:55:47,192 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-18 10:55:47,193 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-18 10:55:47,193 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-18 10:55:47,193 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-18 10:55:47,193 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-18 10:55:47,193 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-18 10:55:47,193 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-18 10:55:47,193 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-18 10:55:47,193 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:55:47,193 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-18 10:55:47,193 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:55:47,193 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:55:47,193 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a25~0 |old(~a25~0)|))) [2018-11-18 10:55:47,194 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-18 10:55:47,194 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 7)) (.cse2 (<= ~a28~0 10)) (.cse1 (= 1 ~a11~0)) (.cse3 (= ~a11~0 0)) (.cse4 (not (= main_~input~0 0))) (.cse5 (not (= ~a28~0 0))) (.cse6 (= ~a17~0 8)) (.cse7 (= ~a19~0 1))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse0 (not (= ~a25~0 1)) .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse2 .cse6) (and .cse0 .cse5 .cse1 .cse2 (not (= ~a17~0 0))) (and .cse5 .cse1 .cse6) (not (= 0 |old(~a25~0)|)) (and (and .cse3 (= ~a25~0 |old(~a25~0)|)) .cse6 .cse7 (= ~a28~0 7)) (and .cse1 (not (= ~a19~0 ~a11~0))) (and .cse3 .cse4 (and (and .cse5 .cse6 .cse7) (= 1 ~a25~0))) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)))) [2018-11-18 10:55:47,194 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-18 10:55:47,194 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-18 10:55:47,194 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= ~a11~0 0)) (.cse3 (= ~a17~0 8)) (.cse1 (not (= main_~input~0 0))) (.cse6 (<= ~a17~0 7)) (.cse2 (not (= ~a28~0 0))) (.cse4 (= 1 ~a11~0)) (.cse5 (<= ~a28~0 10))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1 .cse2 (= 1 ~a25~0) (= ~a19~0 1) .cse3) (not (= 7 |old(~a28~0)|)) (and .cse1 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse2 .cse5 .cse3) (and .cse4 (not (= ~a19~0 ~a11~0))) (not (= 0 |old(~a11~0)|)) (and .cse6 (not (= ~a25~0 1)) .cse4 .cse5) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse1 .cse6 .cse2 .cse4 .cse5 (not (= ~a17~0 0))) (not (= 0 |old(~a25~0)|)))) [2018-11-18 10:55:47,194 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-18 10:55:47,194 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-18 10:55:47,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:55:47 BoogieIcfgContainer [2018-11-18 10:55:47,203 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:55:47,203 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:55:47,203 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:55:47,204 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:55:47,204 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:55:24" (3/4) ... [2018-11-18 10:55:47,207 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:55:47,211 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 10:55:47,211 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 10:55:47,212 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 10:55:47,220 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 10:55:47,222 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 10:55:47,245 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || (((a17 <= 7 && !(a25 == 1)) && 1 == a11) && a28 <= 10)) || ((((a11 == 0 && !(input == 0)) && !(a28 == 0)) && a28 <= 10) && a17 == 8)) || ((((a17 <= 7 && !(a28 == 0)) && 1 == a11) && a28 <= 10) && !(a17 == 0))) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(0 == \old(a25))) || ((((a11 == 0 && a25 == \old(a25)) && a17 == 8) && a19 == 1) && a28 == 7)) || (1 == a11 && !(a19 == a11))) || ((a11 == 0 && !(input == 0)) && ((!(a28 == 0) && a17 == 8) && a19 == 1) && 1 == a25)) || !(1 == \old(a19))) || !(8 == \old(a17)) [2018-11-18 10:55:47,303 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a20b7aa6-9be3-40a4-9b38-108b34727100/bin-2019/utaipan/witness.graphml [2018-11-18 10:55:47,303 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:55:47,304 INFO L168 Benchmark]: Toolchain (without parser) took 24472.97 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 957.6 MB in the beginning and 932.0 MB in the end (delta: 25.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-18 10:55:47,305 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:55:47,305 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.75 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 927.0 MB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:55:47,305 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 927.0 MB in the beginning and 1.2 GB in the end (delta: -232.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:55:47,306 INFO L168 Benchmark]: Boogie Preprocessor took 51.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:55:47,306 INFO L168 Benchmark]: RCFGBuilder took 809.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 109.8 MB). Peak memory consumption was 109.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:55:47,306 INFO L168 Benchmark]: TraceAbstraction took 23086.59 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 1.1 GB in the beginning and 932.0 MB in the end (delta: 118.1 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-18 10:55:47,306 INFO L168 Benchmark]: Witness Printer took 99.98 ms. Allocated memory is still 2.5 GB. Free memory is still 932.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:55:47,307 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 351.75 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 927.0 MB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 927.0 MB in the beginning and 1.2 GB in the end (delta: -232.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 809.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 109.8 MB). Peak memory consumption was 109.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 23086.59 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 1.1 GB in the beginning and 932.0 MB in the end (delta: 118.1 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 99.98 ms. Allocated memory is still 2.5 GB. Free memory is still 932.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 568]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || (((a17 <= 7 && !(a25 == 1)) && 1 == a11) && a28 <= 10)) || ((((a11 == 0 && !(input == 0)) && !(a28 == 0)) && a28 <= 10) && a17 == 8)) || ((((a17 <= 7 && !(a28 == 0)) && 1 == a11) && a28 <= 10) && !(a17 == 0))) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(0 == \old(a25))) || ((((a11 == 0 && a25 == \old(a25)) && a17 == 8) && a19 == 1) && a28 == 7)) || (1 == a11 && !(a19 == a11))) || ((a11 == 0 && !(input == 0)) && ((!(a28 == 0) && a17 == 8) && a19 == 1) && 1 == a25)) || !(1 == \old(a19))) || !(8 == \old(a17)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 23.0s OverallTime, 11 OverallIterations, 5 TraceHistogramMax, 16.1s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1541 SDtfs, 6902 SDslu, 2099 SDs, 0 SdLazy, 12046 SolverSat, 1982 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.6s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 2204 GetRequests, 2063 SyntacticMatches, 7 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3683occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.9s AbstIntTime, 7 AbstIntIterations, 5 AbstIntStrong, 0.9970512053754595 AbsIntWeakeningRatio, 0.18951241950321987 AbsIntAvgWeakeningVarsNumRemoved, 25.33210671573137 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 462 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 153 PreInvPairs, 210 NumberOfFragments, 697 HoareAnnotationTreeSize, 153 FomulaSimplifications, 9163 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4001 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2708 NumberOfCodeBlocks, 2708 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3185 ConstructedInterpolants, 0 QuantifiedInterpolants, 1334632 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1098 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 1373/1667 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...