./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label28_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_1401de58-a8aa-4df5-a6cc-ecc5d1bf7701/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1401de58-a8aa-4df5-a6cc-ecc5d1bf7701/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1401de58-a8aa-4df5-a6cc-ecc5d1bf7701/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1401de58-a8aa-4df5-a6cc-ecc5d1bf7701/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1401de58-a8aa-4df5-a6cc-ecc5d1bf7701/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1401de58-a8aa-4df5-a6cc-ecc5d1bf7701/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 f8826e63977e5204bfb153113fa32b1df4948bea ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:19:14,183 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:19:14,184 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:19:14,194 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:19:14,194 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:19:14,195 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:19:14,196 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:19:14,197 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:19:14,199 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:19:14,199 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:19:14,200 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:19:14,200 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:19:14,201 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:19:14,202 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:19:14,203 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:19:14,203 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:19:14,204 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:19:14,205 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:19:14,207 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:19:14,208 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:19:14,209 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:19:14,209 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:19:14,211 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:19:14,211 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:19:14,212 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:19:14,212 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:19:14,213 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:19:14,214 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:19:14,215 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:19:14,215 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:19:14,216 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:19:14,216 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:19:14,216 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:19:14,216 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:19:14,217 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:19:14,218 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:19:14,218 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1401de58-a8aa-4df5-a6cc-ecc5d1bf7701/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 09:19:14,229 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:19:14,229 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:19:14,230 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:19:14,230 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 09:19:14,230 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 09:19:14,230 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 09:19:14,230 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 09:19:14,231 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 09:19:14,231 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 09:19:14,231 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 09:19:14,231 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 09:19:14,231 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 09:19:14,231 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 09:19:14,232 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:19:14,232 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:19:14,232 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:19:14,232 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:19:14,233 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:19:14,233 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:19:14,233 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:19:14,233 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:19:14,233 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:19:14,233 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:19:14,233 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:19:14,234 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:19:14,234 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:19:14,234 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:19:14,234 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:19:14,234 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:19:14,234 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:19:14,235 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:19:14,235 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:19:14,235 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:19:14,235 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 09:19:14,235 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:19:14,235 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:19:14,235 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 09:19:14,236 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_1401de58-a8aa-4df5-a6cc-ecc5d1bf7701/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 -> f8826e63977e5204bfb153113fa32b1df4948bea [2018-11-18 09:19:14,261 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:19:14,272 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:19:14,275 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:19:14,276 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:19:14,276 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:19:14,276 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1401de58-a8aa-4df5-a6cc-ecc5d1bf7701/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c [2018-11-18 09:19:14,319 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1401de58-a8aa-4df5-a6cc-ecc5d1bf7701/bin-2019/utaipan/data/35a34c030/329578eb06e3413eaa3066e59f9c7492/FLAGc5c32a293 [2018-11-18 09:19:14,711 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:19:14,712 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1401de58-a8aa-4df5-a6cc-ecc5d1bf7701/sv-benchmarks/c/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c [2018-11-18 09:19:14,721 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1401de58-a8aa-4df5-a6cc-ecc5d1bf7701/bin-2019/utaipan/data/35a34c030/329578eb06e3413eaa3066e59f9c7492/FLAGc5c32a293 [2018-11-18 09:19:15,081 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1401de58-a8aa-4df5-a6cc-ecc5d1bf7701/bin-2019/utaipan/data/35a34c030/329578eb06e3413eaa3066e59f9c7492 [2018-11-18 09:19:15,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:19:15,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:19:15,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:19:15,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:19:15,087 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:19:15,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:19:15" (1/1) ... [2018-11-18 09:19:15,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d293ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:19:15, skipping insertion in model container [2018-11-18 09:19:15,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:19:15" (1/1) ... [2018-11-18 09:19:15,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:19:15,137 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:19:15,391 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:19:15,395 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:19:15,465 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:19:15,476 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:19:15,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:19:15 WrapperNode [2018-11-18 09:19:15,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:19:15,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:19:15,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:19:15,477 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:19:15,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:19:15" (1/1) ... [2018-11-18 09:19:15,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:19:15" (1/1) ... [2018-11-18 09:19:15,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:19:15,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:19:15,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:19:15,560 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:19:15,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:19:15" (1/1) ... [2018-11-18 09:19:15,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:19:15" (1/1) ... [2018-11-18 09:19:15,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:19:15" (1/1) ... [2018-11-18 09:19:15,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:19:15" (1/1) ... [2018-11-18 09:19:15,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:19:15" (1/1) ... [2018-11-18 09:19:15,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:19:15" (1/1) ... [2018-11-18 09:19:15,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:19:15" (1/1) ... [2018-11-18 09:19:15,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:19:15,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:19:15,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:19:15,615 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:19:15,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:19:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1401de58-a8aa-4df5-a6cc-ecc5d1bf7701/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 09:19:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 09:19:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:19:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:19:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 09:19:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 09:19:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:19:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:19:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:19:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:19:16,412 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:19:16,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:19:16 BoogieIcfgContainer [2018-11-18 09:19:16,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:19:16,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:19:16,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:19:16,417 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:19:16,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:19:15" (1/3) ... [2018-11-18 09:19:16,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da0ee33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:19:16, skipping insertion in model container [2018-11-18 09:19:16,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:19:15" (2/3) ... [2018-11-18 09:19:16,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da0ee33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:19:16, skipping insertion in model container [2018-11-18 09:19:16,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:19:16" (3/3) ... [2018-11-18 09:19:16,420 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label28_true-unreach-call_false-termination.c [2018-11-18 09:19:16,427 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:19:16,437 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 09:19:16,448 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 09:19:16,473 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:19:16,473 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:19:16,473 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:19:16,474 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:19:16,474 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:19:16,474 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:19:16,474 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:19:16,474 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:19:16,493 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-18 09:19:16,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 09:19:16,503 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:19:16,504 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] [2018-11-18 09:19:16,506 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:19:16,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:19:16,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1188010863, now seen corresponding path program 1 times [2018-11-18 09:19:16,512 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:19:16,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:19:16,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:19:16,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:19:16,547 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:19:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:19:16,822 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 09:19:16,824 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:19:16,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:19:16,824 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:19:16,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:19:16,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:19:16,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:19:16,839 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-18 09:19:17,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:19:17,507 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-11-18 09:19:17,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:19:17,509 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2018-11-18 09:19:17,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:19:17,522 INFO L225 Difference]: With dead ends: 618 [2018-11-18 09:19:17,522 INFO L226 Difference]: Without dead ends: 379 [2018-11-18 09:19:17,527 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 09:19:17,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-11-18 09:19:17,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-11-18 09:19:17,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-11-18 09:19:17,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 621 transitions. [2018-11-18 09:19:17,577 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 621 transitions. Word has length 131 [2018-11-18 09:19:17,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:19:17,578 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 621 transitions. [2018-11-18 09:19:17,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:19:17,578 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 621 transitions. [2018-11-18 09:19:17,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 09:19:17,582 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:19:17,582 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] [2018-11-18 09:19:17,582 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:19:17,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:19:17,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1256593146, now seen corresponding path program 1 times [2018-11-18 09:19:17,583 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:19:17,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:19:17,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:19:17,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:19:17,585 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:19:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:19:17,710 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 09:19:17,710 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:19:17,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 09:19:17,711 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:19:17,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:19:17,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:19:17,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:19:17,713 INFO L87 Difference]: Start difference. First operand 379 states and 621 transitions. Second operand 6 states. [2018-11-18 09:19:18,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:19:18,424 INFO L93 Difference]: Finished difference Result 1229 states and 2094 transitions. [2018-11-18 09:19:18,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 09:19:18,424 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-11-18 09:19:18,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:19:18,431 INFO L225 Difference]: With dead ends: 1229 [2018-11-18 09:19:18,432 INFO L226 Difference]: Without dead ends: 856 [2018-11-18 09:19:18,435 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 09:19:18,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2018-11-18 09:19:18,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 823. [2018-11-18 09:19:18,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2018-11-18 09:19:18,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1292 transitions. [2018-11-18 09:19:18,474 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1292 transitions. Word has length 147 [2018-11-18 09:19:18,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:19:18,474 INFO L480 AbstractCegarLoop]: Abstraction has 823 states and 1292 transitions. [2018-11-18 09:19:18,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:19:18,474 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1292 transitions. [2018-11-18 09:19:18,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 09:19:18,479 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:19:18,479 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] [2018-11-18 09:19:18,479 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:19:18,479 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:19:18,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1655989221, now seen corresponding path program 1 times [2018-11-18 09:19:18,480 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:19:18,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:19:18,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:19:18,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:19:18,481 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:19:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:19:18,567 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 09:19:18,567 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:19:18,567 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 09:19:18,567 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:19:18,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:19:18,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:19:18,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:19:18,568 INFO L87 Difference]: Start difference. First operand 823 states and 1292 transitions. Second operand 6 states. [2018-11-18 09:19:19,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:19:19,306 INFO L93 Difference]: Finished difference Result 2557 states and 4222 transitions. [2018-11-18 09:19:19,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 09:19:19,307 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 154 [2018-11-18 09:19:19,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:19:19,314 INFO L225 Difference]: With dead ends: 2557 [2018-11-18 09:19:19,315 INFO L226 Difference]: Without dead ends: 1740 [2018-11-18 09:19:19,318 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 09:19:19,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2018-11-18 09:19:19,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1682. [2018-11-18 09:19:19,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2018-11-18 09:19:19,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2540 transitions. [2018-11-18 09:19:19,361 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2540 transitions. Word has length 154 [2018-11-18 09:19:19,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:19:19,361 INFO L480 AbstractCegarLoop]: Abstraction has 1682 states and 2540 transitions. [2018-11-18 09:19:19,361 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:19:19,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2540 transitions. [2018-11-18 09:19:19,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 09:19:19,366 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:19:19,366 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] [2018-11-18 09:19:19,366 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:19:19,366 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:19:19,366 INFO L82 PathProgramCache]: Analyzing trace with hash -908866867, now seen corresponding path program 1 times [2018-11-18 09:19:19,366 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:19:19,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:19:19,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:19:19,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:19:19,368 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:19:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:19:19,452 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 09:19:19,452 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:19:19,453 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:19:19,453 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 157 with the following transitions: [2018-11-18 09:19:19,455 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], [719], [721], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 09:19:19,488 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:19:19,488 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:19:19,837 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 09:19:19,838 INFO L272 AbstractInterpreter]: Visited 132 different actions 132 times. Never merged. Never widened. Performed 1449 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1449 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-18 09:19:19,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:19:19,856 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 09:19:20,078 INFO L227 lantSequenceWeakener]: Weakened 147 states. On average, predicates are now at 81.21% of their original sizes. [2018-11-18 09:19:20,078 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 09:19:20,110 INFO L415 sIntCurrentIteration]: We unified 155 AI predicates to 155 [2018-11-18 09:19:20,110 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 09:19:20,111 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 09:19:20,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 09:19:20,111 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:19:20,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:19:20,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:19:20,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:19:20,112 INFO L87 Difference]: Start difference. First operand 1682 states and 2540 transitions. Second operand 6 states. [2018-11-18 09:19:22,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:19:22,593 INFO L93 Difference]: Finished difference Result 3506 states and 5281 transitions. [2018-11-18 09:19:22,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 09:19:22,594 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2018-11-18 09:19:22,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:19:22,599 INFO L225 Difference]: With dead ends: 3506 [2018-11-18 09:19:22,599 INFO L226 Difference]: Without dead ends: 1830 [2018-11-18 09:19:22,602 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 156 GetRequests, 151 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 09:19:22,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1830 states. [2018-11-18 09:19:22,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1830 to 1827. [2018-11-18 09:19:22,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2018-11-18 09:19:22,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2692 transitions. [2018-11-18 09:19:22,635 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2692 transitions. Word has length 156 [2018-11-18 09:19:22,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:19:22,635 INFO L480 AbstractCegarLoop]: Abstraction has 1827 states and 2692 transitions. [2018-11-18 09:19:22,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:19:22,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2692 transitions. [2018-11-18 09:19:22,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-18 09:19:22,639 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:19:22,639 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] [2018-11-18 09:19:22,639 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:19:22,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:19:22,640 INFO L82 PathProgramCache]: Analyzing trace with hash 352439598, now seen corresponding path program 1 times [2018-11-18 09:19:22,640 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:19:22,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:19:22,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:19:22,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:19:22,641 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:19:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:19:22,736 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 09:19:22,737 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:19:22,737 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:19:22,737 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 167 with the following transitions: [2018-11-18 09:19:22,737 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], [719], [721], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 09:19:22,742 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:19:22,742 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:19:23,002 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 09:19:23,002 INFO L272 AbstractInterpreter]: Visited 136 different actions 401 times. Merged at 7 different actions 15 times. Never widened. Performed 4486 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4486 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 09:19:23,011 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:19:23,012 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 09:19:23,169 INFO L227 lantSequenceWeakener]: Weakened 163 states. On average, predicates are now at 84.67% of their original sizes. [2018-11-18 09:19:23,169 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 09:19:23,216 INFO L415 sIntCurrentIteration]: We unified 165 AI predicates to 165 [2018-11-18 09:19:23,216 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 09:19:23,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 09:19:23,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-18 09:19:23,217 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:19:23,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 09:19:23,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 09:19:23,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:19:23,218 INFO L87 Difference]: Start difference. First operand 1827 states and 2692 transitions. Second operand 9 states. [2018-11-18 09:19:27,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:19:27,166 INFO L93 Difference]: Finished difference Result 4531 states and 6711 transitions. [2018-11-18 09:19:27,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 09:19:27,166 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 166 [2018-11-18 09:19:27,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:19:27,175 INFO L225 Difference]: With dead ends: 4531 [2018-11-18 09:19:27,175 INFO L226 Difference]: Without dead ends: 2710 [2018-11-18 09:19:27,180 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 173 GetRequests, 158 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 09:19:27,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2710 states. [2018-11-18 09:19:27,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2710 to 2633. [2018-11-18 09:19:27,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2633 states. [2018-11-18 09:19:27,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2633 states and 3700 transitions. [2018-11-18 09:19:27,233 INFO L78 Accepts]: Start accepts. Automaton has 2633 states and 3700 transitions. Word has length 166 [2018-11-18 09:19:27,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:19:27,233 INFO L480 AbstractCegarLoop]: Abstraction has 2633 states and 3700 transitions. [2018-11-18 09:19:27,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 09:19:27,234 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 3700 transitions. [2018-11-18 09:19:27,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 09:19:27,239 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:19:27,239 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] [2018-11-18 09:19:27,239 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:19:27,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:19:27,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1685404542, now seen corresponding path program 1 times [2018-11-18 09:19:27,240 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:19:27,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:19:27,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:19:27,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:19:27,241 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:19:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:19:27,552 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:19:27,552 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:19:27,552 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:19:27,553 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2018-11-18 09:19:27,553 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [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], [719], [721], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 09:19:27,557 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:19:27,557 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:19:27,776 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:19:27,776 INFO L272 AbstractInterpreter]: Visited 136 different actions 402 times. Merged at 7 different actions 18 times. Never widened. Performed 4736 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4736 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 09:19:27,787 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:19:27,788 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:19:27,788 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:19:27,789 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1401de58-a8aa-4df5-a6cc-ecc5d1bf7701/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 09:19:27,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:19:27,810 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:19:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:19:27,883 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:19:27,970 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 09:19:27,971 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:19:28,033 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 09:19:28,051 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 09:19:28,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [10] total 11 [2018-11-18 09:19:28,051 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:19:28,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:19:28,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:19:28,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-18 09:19:28,052 INFO L87 Difference]: Start difference. First operand 2633 states and 3700 transitions. Second operand 3 states. [2018-11-18 09:19:28,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:19:28,474 INFO L93 Difference]: Finished difference Result 6691 states and 9667 transitions. [2018-11-18 09:19:28,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:19:28,475 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2018-11-18 09:19:28,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:19:28,493 INFO L225 Difference]: With dead ends: 6691 [2018-11-18 09:19:28,493 INFO L226 Difference]: Without dead ends: 4064 [2018-11-18 09:19:28,502 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 335 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-18 09:19:28,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4064 states. [2018-11-18 09:19:28,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4064 to 4027. [2018-11-18 09:19:28,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4027 states. [2018-11-18 09:19:28,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4027 states to 4027 states and 5660 transitions. [2018-11-18 09:19:28,595 INFO L78 Accepts]: Start accepts. Automaton has 4027 states and 5660 transitions. Word has length 168 [2018-11-18 09:19:28,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:19:28,596 INFO L480 AbstractCegarLoop]: Abstraction has 4027 states and 5660 transitions. [2018-11-18 09:19:28,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:19:28,596 INFO L276 IsEmpty]: Start isEmpty. Operand 4027 states and 5660 transitions. [2018-11-18 09:19:28,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 09:19:28,606 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:19:28,606 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:19:28,607 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:19:28,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:19:28,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1435560091, now seen corresponding path program 1 times [2018-11-18 09:19:28,607 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:19:28,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:19:28,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:19:28,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:19:28,608 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:19:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:19:28,713 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 74 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 09:19:28,714 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:19:28,714 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:19:28,714 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 198 with the following transitions: [2018-11-18 09:19:28,715 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [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], [719], [721], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 09:19:28,718 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:19:28,718 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:19:29,054 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:19:29,054 INFO L272 AbstractInterpreter]: Visited 137 different actions 407 times. Merged at 8 different actions 20 times. Never widened. Performed 4703 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4703 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 09:19:29,063 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:19:29,064 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:19:29,064 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:19:29,064 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1401de58-a8aa-4df5-a6cc-ecc5d1bf7701/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 09:19:29,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:19:29,075 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:19:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:19:29,144 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:19:29,214 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 09:19:29,214 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:19:29,372 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 09:19:29,390 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 09:19:29,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 09:19:29,390 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 09:19:29,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 09:19:29,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 09:19:29,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-11-18 09:19:29,391 INFO L87 Difference]: Start difference. First operand 4027 states and 5660 transitions. Second operand 9 states. [2018-11-18 09:19:31,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:19:31,468 INFO L93 Difference]: Finished difference Result 9269 states and 13370 transitions. [2018-11-18 09:19:31,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-11-18 09:19:31,468 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 197 [2018-11-18 09:19:31,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:19:31,482 INFO L225 Difference]: With dead ends: 9269 [2018-11-18 09:19:31,482 INFO L226 Difference]: Without dead ends: 3857 [2018-11-18 09:19:31,499 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 413 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=343, Invalid=1063, Unknown=0, NotChecked=0, Total=1406 [2018-11-18 09:19:31,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3857 states. [2018-11-18 09:19:31,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3857 to 3723. [2018-11-18 09:19:31,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3723 states. [2018-11-18 09:19:31,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3723 states to 3723 states and 4479 transitions. [2018-11-18 09:19:31,578 INFO L78 Accepts]: Start accepts. Automaton has 3723 states and 4479 transitions. Word has length 197 [2018-11-18 09:19:31,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:19:31,579 INFO L480 AbstractCegarLoop]: Abstraction has 3723 states and 4479 transitions. [2018-11-18 09:19:31,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 09:19:31,579 INFO L276 IsEmpty]: Start isEmpty. Operand 3723 states and 4479 transitions. [2018-11-18 09:19:31,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 09:19:31,590 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:19:31,590 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 09:19:31,591 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:19:31,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:19:31,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1061523824, now seen corresponding path program 1 times [2018-11-18 09:19:31,591 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:19:31,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:19:31,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:19:31,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:19:31,592 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:19:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:19:31,736 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 146 proven. 78 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 09:19:31,736 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:19:31,736 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:19:31,736 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 283 with the following transitions: [2018-11-18 09:19:31,737 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [56], [61], [63], [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], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [336], [341], [343], [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], [719], [721], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 09:19:31,740 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:19:31,740 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:19:31,984 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 09:19:31,984 INFO L272 AbstractInterpreter]: Visited 139 different actions 408 times. Merged at 8 different actions 17 times. Never widened. Performed 4588 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4588 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 09:19:31,985 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:19:31,985 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 09:19:32,342 INFO L227 lantSequenceWeakener]: Weakened 205 states. On average, predicates are now at 85.19% of their original sizes. [2018-11-18 09:19:32,342 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 09:19:32,535 INFO L415 sIntCurrentIteration]: We unified 281 AI predicates to 281 [2018-11-18 09:19:32,535 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 09:19:32,535 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 09:19:32,535 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [10] total 26 [2018-11-18 09:19:32,536 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:19:32,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 09:19:32,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 09:19:32,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2018-11-18 09:19:32,536 INFO L87 Difference]: Start difference. First operand 3723 states and 4479 transitions. Second operand 18 states. [2018-11-18 09:19:40,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:19:40,913 INFO L93 Difference]: Finished difference Result 9713 states and 11894 transitions. [2018-11-18 09:19:40,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-11-18 09:19:40,913 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 282 [2018-11-18 09:19:40,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:19:40,931 INFO L225 Difference]: With dead ends: 9713 [2018-11-18 09:19:40,931 INFO L226 Difference]: Without dead ends: 6001 [2018-11-18 09:19:40,938 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 313 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 672 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=434, Invalid=2016, Unknown=0, NotChecked=0, Total=2450 [2018-11-18 09:19:40,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6001 states. [2018-11-18 09:19:41,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6001 to 5859. [2018-11-18 09:19:41,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5859 states. [2018-11-18 09:19:41,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5859 states to 5859 states and 6770 transitions. [2018-11-18 09:19:41,054 INFO L78 Accepts]: Start accepts. Automaton has 5859 states and 6770 transitions. Word has length 282 [2018-11-18 09:19:41,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:19:41,054 INFO L480 AbstractCegarLoop]: Abstraction has 5859 states and 6770 transitions. [2018-11-18 09:19:41,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 09:19:41,055 INFO L276 IsEmpty]: Start isEmpty. Operand 5859 states and 6770 transitions. [2018-11-18 09:19:41,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-18 09:19:41,066 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:19:41,066 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 09:19:41,066 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:19:41,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:19:41,067 INFO L82 PathProgramCache]: Analyzing trace with hash 237000291, now seen corresponding path program 1 times [2018-11-18 09:19:41,067 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:19:41,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:19:41,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:19:41,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:19:41,068 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:19:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:19:41,211 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 153 proven. 35 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 09:19:41,211 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:19:41,212 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:19:41,212 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 288 with the following transitions: [2018-11-18 09:19:41,212 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [56], [61], [63], [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], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [336], [341], [343], [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], [719], [721], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 09:19:41,215 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:19:41,215 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:19:41,599 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 09:19:41,599 INFO L272 AbstractInterpreter]: Visited 140 different actions 556 times. Merged at 9 different actions 35 times. Widened at 1 different actions 1 times. Performed 6328 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6328 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 09:19:41,603 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:19:41,603 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 09:19:41,816 INFO L227 lantSequenceWeakener]: Weakened 205 states. On average, predicates are now at 87.5% of their original sizes. [2018-11-18 09:19:41,816 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 09:19:41,965 INFO L415 sIntCurrentIteration]: We unified 286 AI predicates to 286 [2018-11-18 09:19:41,965 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 09:19:41,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 09:19:41,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [9] total 25 [2018-11-18 09:19:41,966 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:19:41,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 09:19:41,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 09:19:41,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2018-11-18 09:19:41,966 INFO L87 Difference]: Start difference. First operand 5859 states and 6770 transitions. Second operand 18 states. [2018-11-18 09:19:50,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:19:50,402 INFO L93 Difference]: Finished difference Result 15146 states and 17817 transitions. [2018-11-18 09:19:50,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-11-18 09:19:50,403 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 287 [2018-11-18 09:19:50,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:19:50,403 INFO L225 Difference]: With dead ends: 15146 [2018-11-18 09:19:50,403 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 09:19:50,418 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 319 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 715 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=451, Invalid=2099, Unknown=0, NotChecked=0, Total=2550 [2018-11-18 09:19:50,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 09:19:50,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 09:19:50,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 09:19:50,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 09:19:50,419 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 287 [2018-11-18 09:19:50,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:19:50,419 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:19:50,419 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 09:19:50,419 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 09:19:50,420 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:19:50,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 09:19:50,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,872 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 144 [2018-11-18 09:19:50,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:50,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:51,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:51,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:51,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:51,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:51,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:19:51,030 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 162 [2018-11-18 09:19:51,216 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 77 [2018-11-18 09:19:52,138 WARN L180 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 121 [2018-11-18 09:19:52,447 WARN L180 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 93 [2018-11-18 09:19:52,821 WARN L180 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 100 [2018-11-18 09:19:52,822 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:19:52,822 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-18 09:19:52,823 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:19:52,823 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,823 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,823 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,823 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,823 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,823 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-18 09:19:52,823 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-18 09:19:52,823 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-18 09:19:52,823 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 09:19:52,823 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-18 09:19:52,823 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 09:19:52,823 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-18 09:19:52,824 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-18 09:19:52,824 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-18 09:19:52,824 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-18 09:19:52,824 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 09:19:52,824 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-18 09:19:52,824 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-18 09:19:52,824 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,824 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,824 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,824 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,824 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 09:19:52,824 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,824 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-18 09:19:52,824 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 09:19:52,824 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 09:19:52,824 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-18 09:19:52,824 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 09:19:52,824 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-18 09:19:52,824 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-18 09:19:52,824 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 09:19:52,824 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-18 09:19:52,824 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-18 09:19:52,825 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-18 09:19:52,825 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-18 09:19:52,825 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-18 09:19:52,825 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-18 09:19:52,825 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-18 09:19:52,825 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,825 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,825 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,825 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,825 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,825 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-18 09:19:52,825 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-18 09:19:52,825 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-18 09:19:52,825 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-18 09:19:52,825 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 09:19:52,825 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 09:19:52,825 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 09:19:52,826 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-18 09:19:52,826 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-18 09:19:52,826 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-18 09:19:52,826 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-18 09:19:52,826 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,826 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,826 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,826 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,826 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,826 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-18 09:19:52,826 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-18 09:19:52,826 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-18 09:19:52,826 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-18 09:19:52,827 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 09:19:52,827 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-18 09:19:52,827 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 09:19:52,827 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-18 09:19:52,827 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-18 09:19:52,827 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-18 09:19:52,827 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-18 09:19:52,827 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-18 09:19:52,827 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-18 09:19:52,827 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,827 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,827 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,827 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,827 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,827 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-18 09:19:52,827 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 09:19:52,828 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-18 09:19:52,828 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-18 09:19:52,828 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 09:19:52,828 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 09:19:52,828 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-18 09:19:52,828 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-18 09:19:52,828 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-18 09:19:52,828 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-18 09:19:52,828 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-18 09:19:52,828 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-18 09:19:52,828 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-18 09:19:52,828 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 09:19:52,828 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-18 09:19:52,828 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 09:19:52,829 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,829 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,829 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,829 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,829 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-18 09:19:52,829 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,829 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-18 09:19:52,829 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,829 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-18 09:19:52,829 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-18 09:19:52,829 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-18 09:19:52,829 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,829 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,829 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 09:19:52,830 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 09:19:52,830 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-18 09:19:52,830 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 09:19:52,830 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 09:19:52,830 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-18 09:19:52,830 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-18 09:19:52,830 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-18 09:19:52,830 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-18 09:19:52,830 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-18 09:19:52,830 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-18 09:19:52,830 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,830 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,831 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,831 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,831 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,831 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,831 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-18 09:19:52,831 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-18 09:19:52,831 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 09:19:52,831 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 09:19:52,831 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 09:19:52,831 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 09:19:52,831 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 09:19:52,831 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-18 09:19:52,831 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-18 09:19:52,832 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-18 09:19:52,832 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-18 09:19:52,832 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,832 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,832 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,832 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,832 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,832 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,832 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-18 09:19:52,832 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-18 09:19:52,832 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-18 09:19:52,832 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-18 09:19:52,832 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 09:19:52,832 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-18 09:19:52,833 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-18 09:19:52,833 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 09:19:52,833 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-18 09:19:52,833 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-18 09:19:52,833 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-18 09:19:52,833 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-18 09:19:52,833 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-18 09:19:52,833 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-18 09:19:52,833 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 544) no Hoare annotation was computed. [2018-11-18 09:19:52,833 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,833 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,833 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,834 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse16 (not (= 8 |old(~a28~0)|))) (.cse15 (= ~a28~0 8)) (.cse0 (< 10 |old(~a28~0)|)) (.cse7 (<= ~a28~0 10)) (.cse1 (not (= 1 ~a21~0))) (.cse8 (not (= ~a28~0 0))) (.cse9 (= ~a17~0 8)) (.cse10 (= ~a19~0 1)) (.cse3 (= 0 |old(~a28~0)|)) (.cse17 (= ~a28~0 7)) (.cse5 (= |calculate_output_#in~input| 0)) (.cse2 (not (= 1 |old(~a19~0)|))) (.cse4 (not (= 8 |old(~a17~0)|))) (.cse18 (not (= 1 |old(~a25~0)|))) (.cse19 (= |old(~a11~0)| |old(~a19~0)|)) (.cse12 (<= ~a17~0 |old(~a17~0)|)) (.cse13 (= |old(~a19~0)| ~a19~0)) (.cse6 (= ~a11~0 |old(~a11~0)|)) (.cse11 (= ~a25~0 |old(~a25~0)|)) (.cse14 (< 7 |old(~a17~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse11)) (or .cse0 (and .cse12 .cse13 .cse6 .cse7 .cse11) .cse14) (or .cse1 .cse15 .cse16 .cse4 .cse5 (not (= 0 |old(~a25~0)|))) (or (and (or .cse1 (not (= 7 |old(~a28~0)|))) (or .cse1 .cse16)) (and .cse13 .cse6 (or .cse17 .cse15) .cse9 .cse11) .cse4 .cse5) (or .cse0 .cse1 .cse18 .cse3 .cse4 .cse5 (and .cse13 .cse6 .cse8 .cse7 .cse9 .cse11)) (or .cse0 .cse1 .cse3 .cse19 .cse4 .cse5 (and .cse6 .cse7 .cse13 .cse8 .cse9 .cse11)) (or .cse1 (and .cse6 .cse8 .cse9 .cse10 .cse11) .cse18 .cse2 .cse3 .cse19 .cse4 .cse5) (or .cse17 (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) .cse5 (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) .cse2 (not (= ~x~0 24)) .cse4 (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) (or .cse18 .cse19 (and .cse12 .cse13 .cse6 .cse11) .cse14))) [2018-11-18 09:19:52,834 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,834 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,834 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,834 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-18 09:19:52,834 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-18 09:19:52,834 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-18 09:19:52,835 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-18 09:19:52,835 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 09:19:52,835 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 09:19:52,835 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-18 09:19:52,835 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 09:19:52,835 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-18 09:19:52,835 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-18 09:19:52,835 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-18 09:19:52,835 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-18 09:19:52,835 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-18 09:19:52,835 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,835 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,835 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,836 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,836 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,836 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,836 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-18 09:19:52,836 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-18 09:19:52,836 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 09:19:52,836 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-18 09:19:52,836 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-18 09:19:52,836 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-18 09:19:52,836 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 09:19:52,836 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-18 09:19:52,836 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-18 09:19:52,836 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-18 09:19:52,837 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-18 09:19:52,837 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-18 09:19:52,837 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-18 09:19:52,837 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-18 09:19:52,837 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-18 09:19:52,837 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-18 09:19:52,837 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,837 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,837 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,837 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,837 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:19:52,837 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-18 09:19:52,837 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-18 09:19:52,837 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-18 09:19:52,838 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-18 09:19:52,838 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 09:19:52,838 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 09:19:52,838 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 09:19:52,838 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 09:19:52,838 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 09:19:52,838 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 09:19:52,838 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-18 09:19:52,838 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-18 09:19:52,838 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-18 09:19:52,838 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-18 09:19:52,838 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-18 09:19:52,838 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-18 09:19:52,839 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-18 09:19:52,839 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-18 09:19:52,839 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-18 09:19:52,839 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:19:52,839 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~z~0 26) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a~0 1) (= ~a19~0 1) (= ~a28~0 7)) [2018-11-18 09:19:52,839 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:19:52,839 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:19:52,839 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (and (= ~a19~0 1) (= ~a28~0 7) (= ~a25~0 |old(~a25~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 8)) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-11-18 09:19:52,839 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-18 09:19:52,840 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse1 (= ~a28~0 7)) (.cse5 (= ~a19~0 1)) (.cse7 (not (= ~a19~0 ~a11~0))) (.cse0 (not (= main_~input~0 0))) (.cse3 (not (= ~a28~0 0))) (.cse6 (= 1 ~a25~0)) (.cse2 (= ~a17~0 8)) (.cse4 (<= ~a28~0 10))) (or (and .cse0 (or .cse1 (= ~a28~0 8)) .cse2) (and .cse0 .cse3 .cse4 .cse2 .cse5) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and (and (= ~a11~0 0) .cse5 .cse1) (= ~a25~0 |old(~a25~0)|) (not (= main_~output~0 0)) .cse2) (and .cse0 .cse3 .cse6 .cse2 .cse5 .cse7) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (and .cse0 .cse3 .cse4 .cse2 .cse7) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse3 .cse6 .cse4 .cse2) (not (= 3 ~c~0)) (and (<= ~a17~0 7) .cse4) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0)))) [2018-11-18 09:19:52,840 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-18 09:19:52,840 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-18 09:19:52,840 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (= ~a19~0 1)) (.cse6 (not (= ~a19~0 ~a11~0))) (.cse0 (not (= main_~input~0 0))) (.cse2 (not (= ~a28~0 0))) (.cse5 (= 1 ~a25~0)) (.cse1 (= ~a17~0 8)) (.cse3 (<= ~a28~0 10))) (or (and .cse0 (or (= ~a28~0 7) (= ~a28~0 8)) .cse1) (and .cse0 .cse2 .cse3 .cse1 .cse4) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and .cse0 .cse2 .cse5 .cse1 .cse4 .cse6) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (and .cse0 .cse2 .cse3 .cse1 .cse6) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse2 .cse5 .cse3 .cse1) (and (<= ~a17~0 7) .cse3) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0)))) [2018-11-18 09:19:52,840 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-18 09:19:52,840 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-18 09:19:52,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:19:52 BoogieIcfgContainer [2018-11-18 09:19:52,856 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:19:52,857 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:19:52,857 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:19:52,857 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:19:52,857 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:19:16" (3/4) ... [2018-11-18 09:19:52,860 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:19:52,868 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 09:19:52,868 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 09:19:52,869 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 09:19:52,880 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 09:19:52,881 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 09:19:52,899 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((!(input == 0) && (a28 == 7 || a28 == 8)) && a17 == 8) || ((((!(input == 0) && !(a28 == 0)) && a28 <= 10) && a17 == 8) && a19 == 1)) || !(a21 == 1)) || !(y == 25)) || (((((a11 == 0 && a19 == 1) && a28 == 7) && a25 == \old(a25)) && !(output == 0)) && a17 == 8)) || (((((!(input == 0) && !(a28 == 0)) && 1 == a25) && a17 == 8) && a19 == 1) && !(a19 == a11))) || !(1 == \old(a19))) || !(x == 24)) || ((((!(input == 0) && !(a28 == 0)) && a28 <= 10) && a17 == 8) && !(a19 == a11))) || !(e == 5)) || !(d == 4)) || !(21 == u)) || !(22 == v)) || !(\old(a11) == 0)) || !(z == 26)) || !(0 == \old(a25))) || ((((!(input == 0) && !(a28 == 0)) && 1 == a25) && a28 <= 10) && a17 == 8)) || !(3 == c)) || (a17 <= 7 && a28 <= 10)) || !(23 == w)) || !(\old(a28) == 7)) || !(a == 1)) || !(\old(a17) == 8)) || !(6 == f) [2018-11-18 09:19:52,964 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1401de58-a8aa-4df5-a6cc-ecc5d1bf7701/bin-2019/utaipan/witness.graphml [2018-11-18 09:19:52,965 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:19:52,965 INFO L168 Benchmark]: Toolchain (without parser) took 37881.85 ms. Allocated memory was 1.0 GB in the beginning and 3.2 GB in the end (delta: 2.2 GB). Free memory was 956.6 MB in the beginning and 1.6 GB in the end (delta: -676.5 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-18 09:19:52,966 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:19:52,966 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.82 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 924.3 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:19:52,966 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 924.3 MB in the beginning and 1.2 GB in the end (delta: -233.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:19:52,966 INFO L168 Benchmark]: Boogie Preprocessor took 54.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:19:52,967 INFO L168 Benchmark]: RCFGBuilder took 798.44 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: 101.8 MB). Peak memory consumption was 101.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:19:52,967 INFO L168 Benchmark]: TraceAbstraction took 36442.89 ms. Allocated memory was 1.2 GB in the beginning and 3.2 GB in the end (delta: 2.0 GB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -580.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-18 09:19:52,969 INFO L168 Benchmark]: Witness Printer took 107.96 ms. Allocated memory is still 3.2 GB. Free memory is still 1.6 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:19:52,971 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 391.82 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 924.3 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 82.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 924.3 MB in the beginning and 1.2 GB in the end (delta: -233.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 798.44 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: 101.8 MB). Peak memory consumption was 101.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 36442.89 ms. Allocated memory was 1.2 GB in the beginning and 3.2 GB in the end (delta: 2.0 GB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -580.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 107.96 ms. Allocated memory is still 3.2 GB. Free memory is still 1.6 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 544]: 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: ((((((((((((((((((((((((!(input == 0) && (a28 == 7 || a28 == 8)) && a17 == 8) || ((((!(input == 0) && !(a28 == 0)) && a28 <= 10) && a17 == 8) && a19 == 1)) || !(a21 == 1)) || !(y == 25)) || (((((a11 == 0 && a19 == 1) && a28 == 7) && a25 == \old(a25)) && !(output == 0)) && a17 == 8)) || (((((!(input == 0) && !(a28 == 0)) && 1 == a25) && a17 == 8) && a19 == 1) && !(a19 == a11))) || !(1 == \old(a19))) || !(x == 24)) || ((((!(input == 0) && !(a28 == 0)) && a28 <= 10) && a17 == 8) && !(a19 == a11))) || !(e == 5)) || !(d == 4)) || !(21 == u)) || !(22 == v)) || !(\old(a11) == 0)) || !(z == 26)) || !(0 == \old(a25))) || ((((!(input == 0) && !(a28 == 0)) && 1 == a25) && a28 <= 10) && a17 == 8)) || !(3 == c)) || (a17 <= 7 && a28 <= 10)) || !(23 == w)) || !(\old(a28) == 7)) || !(a == 1)) || !(\old(a17) == 8)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 36.3s OverallTime, 9 OverallIterations, 6 TraceHistogramMax, 28.0s AutomataDifference, 0.0s DeadEndRemovalTime, 2.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1308 SDtfs, 9423 SDslu, 1935 SDs, 0 SdLazy, 14394 SolverSat, 2615 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.8s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1784 GetRequests, 1598 SyntacticMatches, 9 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1748 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5859occurred 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, 6 AbstIntIterations, 4 AbstIntStrong, 0.9967206221039824 AbsIntWeakeningRatio, 0.19616685456595265 AbsIntAvgWeakeningVarsNumRemoved, 25.74859075535513 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 484 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 183 PreInvPairs, 303 NumberOfFragments, 875 HoareAnnotationTreeSize, 183 FomulaSimplifications, 21113 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 12352 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2053 NumberOfCodeBlocks, 2053 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2405 ConstructedInterpolants, 0 QuantifiedInterpolants, 1029594 SizeOfPredicates, 2 NumberOfNonLiveVariables, 925 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 911/1087 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...