./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label36_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6ebe7b96-2231-45c8-810e-9bc6d5680523/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6ebe7b96-2231-45c8-810e-9bc6d5680523/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6ebe7b96-2231-45c8-810e-9bc6d5680523/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6ebe7b96-2231-45c8-810e-9bc6d5680523/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label36_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6ebe7b96-2231-45c8-810e-9bc6d5680523/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6ebe7b96-2231-45c8-810e-9bc6d5680523/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 4b014586a871c87a7a88fd7c414a377b88100eac ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:11:20,302 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:11:20,303 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:11:20,309 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:11:20,309 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:11:20,310 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:11:20,311 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:11:20,312 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:11:20,313 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:11:20,314 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:11:20,314 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:11:20,314 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:11:20,315 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:11:20,315 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:11:20,316 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:11:20,316 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:11:20,317 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:11:20,318 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:11:20,319 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:11:20,320 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:11:20,321 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:11:20,322 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:11:20,323 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:11:20,323 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:11:20,324 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:11:20,324 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:11:20,325 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:11:20,325 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:11:20,326 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:11:20,327 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:11:20,327 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:11:20,327 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:11:20,327 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:11:20,328 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:11:20,328 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:11:20,329 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:11:20,329 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6ebe7b96-2231-45c8-810e-9bc6d5680523/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:11:20,339 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:11:20,339 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:11:20,339 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:11:20,339 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:11:20,339 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:11:20,340 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:11:20,340 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:11:20,340 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:11:20,340 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:11:20,340 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:11:20,340 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:11:20,340 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:11:20,340 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:11:20,341 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:11:20,341 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:11:20,341 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:11:20,341 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:11:20,341 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:11:20,341 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:11:20,341 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:11:20,341 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:11:20,342 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:11:20,342 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:11:20,342 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:11:20,342 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:11:20,342 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:11:20,342 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:11:20,342 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:11:20,342 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:11:20,342 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:11:20,343 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:11:20,343 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:11:20,343 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:11:20,343 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:11:20,343 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:11:20,343 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:11:20,343 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:11:20,343 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_6ebe7b96-2231-45c8-810e-9bc6d5680523/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 -> 4b014586a871c87a7a88fd7c414a377b88100eac [2018-11-18 17:11:20,364 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:11:20,372 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:11:20,373 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:11:20,374 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:11:20,375 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:11:20,375 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6ebe7b96-2231-45c8-810e-9bc6d5680523/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem03_label36_true-unreach-call.c [2018-11-18 17:11:20,409 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ebe7b96-2231-45c8-810e-9bc6d5680523/bin-2019/utaipan/data/3585dc145/fe17984de0c0442596fea1d5cde559ff/FLAG03ce140ed [2018-11-18 17:11:20,886 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:11:20,887 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6ebe7b96-2231-45c8-810e-9bc6d5680523/sv-benchmarks/c/eca-rers2012/Problem03_label36_true-unreach-call.c [2018-11-18 17:11:20,899 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ebe7b96-2231-45c8-810e-9bc6d5680523/bin-2019/utaipan/data/3585dc145/fe17984de0c0442596fea1d5cde559ff/FLAG03ce140ed [2018-11-18 17:11:21,391 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6ebe7b96-2231-45c8-810e-9bc6d5680523/bin-2019/utaipan/data/3585dc145/fe17984de0c0442596fea1d5cde559ff [2018-11-18 17:11:21,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:11:21,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:11:21,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:11:21,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:11:21,397 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:11:21,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:11:21" (1/1) ... [2018-11-18 17:11:21,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e0686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:21, skipping insertion in model container [2018-11-18 17:11:21,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:11:21" (1/1) ... [2018-11-18 17:11:21,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:11:21,451 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:11:21,810 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:11:21,813 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:11:21,951 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:11:22,050 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:11:22,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:22 WrapperNode [2018-11-18 17:11:22,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:11:22,051 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:11:22,051 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:11:22,051 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:11:22,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:22" (1/1) ... [2018-11-18 17:11:22,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:22" (1/1) ... [2018-11-18 17:11:22,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:11:22,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:11:22,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:11:22,087 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:11:22,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:22" (1/1) ... [2018-11-18 17:11:22,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:22" (1/1) ... [2018-11-18 17:11:22,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:22" (1/1) ... [2018-11-18 17:11:22,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:22" (1/1) ... [2018-11-18 17:11:22,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:22" (1/1) ... [2018-11-18 17:11:22,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:22" (1/1) ... [2018-11-18 17:11:22,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:22" (1/1) ... [2018-11-18 17:11:22,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:11:22,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:11:22,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:11:22,152 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:11:22,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ebe7b96-2231-45c8-810e-9bc6d5680523/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:11:22,189 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 17:11:22,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:11:22,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:11:22,190 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 17:11:22,190 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 17:11:22,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:11:22,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:11:22,190 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:11:22,190 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:11:23,264 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:11:23,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:11:23 BoogieIcfgContainer [2018-11-18 17:11:23,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:11:23,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:11:23,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:11:23,267 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:11:23,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:11:21" (1/3) ... [2018-11-18 17:11:23,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c6f6c2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:11:23, skipping insertion in model container [2018-11-18 17:11:23,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:11:22" (2/3) ... [2018-11-18 17:11:23,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c6f6c2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:11:23, skipping insertion in model container [2018-11-18 17:11:23,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:11:23" (3/3) ... [2018-11-18 17:11:23,270 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label36_true-unreach-call.c [2018-11-18 17:11:23,276 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:11:23,281 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:11:23,290 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:11:23,334 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:11:23,334 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:11:23,334 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:11:23,334 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:11:23,334 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:11:23,335 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:11:23,335 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:11:23,335 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:11:23,355 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2018-11-18 17:11:23,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-18 17:11:23,365 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:11:23,365 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:11:23,367 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:11:23,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:11:23,371 INFO L82 PathProgramCache]: Analyzing trace with hash 507680593, now seen corresponding path program 1 times [2018-11-18 17:11:23,372 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:11:23,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:11:23,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:11:23,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:11:23,403 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:11:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:23,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:11:23,778 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:11:23,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:11:23,779 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:11:23,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:11:23,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:11:23,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:11:23,792 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 3 states. [2018-11-18 17:11:24,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:11:24,501 INFO L93 Difference]: Finished difference Result 845 states and 1487 transitions. [2018-11-18 17:11:24,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:11:24,502 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 186 [2018-11-18 17:11:24,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:11:24,513 INFO L225 Difference]: With dead ends: 845 [2018-11-18 17:11:24,513 INFO L226 Difference]: Without dead ends: 531 [2018-11-18 17:11:24,517 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:11:24,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2018-11-18 17:11:24,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 530. [2018-11-18 17:11:24,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2018-11-18 17:11:24,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 869 transitions. [2018-11-18 17:11:24,576 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 869 transitions. Word has length 186 [2018-11-18 17:11:24,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:11:24,577 INFO L480 AbstractCegarLoop]: Abstraction has 530 states and 869 transitions. [2018-11-18 17:11:24,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:11:24,578 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 869 transitions. [2018-11-18 17:11:24,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-18 17:11:24,582 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:11:24,583 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:11:24,583 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:11:24,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:11:24,583 INFO L82 PathProgramCache]: Analyzing trace with hash 439206904, now seen corresponding path program 1 times [2018-11-18 17:11:24,583 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:11:24,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:11:24,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:11:24,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:11:24,585 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:11:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:24,712 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:11:24,712 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:11:24,713 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:11:24,713 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:11:24,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:11:24,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:11:24,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:11:24,715 INFO L87 Difference]: Start difference. First operand 530 states and 869 transitions. Second operand 6 states. [2018-11-18 17:11:25,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:11:25,692 INFO L93 Difference]: Finished difference Result 1599 states and 2688 transitions. [2018-11-18 17:11:25,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 17:11:25,693 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 196 [2018-11-18 17:11:25,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:11:25,705 INFO L225 Difference]: With dead ends: 1599 [2018-11-18 17:11:25,705 INFO L226 Difference]: Without dead ends: 1075 [2018-11-18 17:11:25,708 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:11:25,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2018-11-18 17:11:25,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 1034. [2018-11-18 17:11:25,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1034 states. [2018-11-18 17:11:25,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1689 transitions. [2018-11-18 17:11:25,746 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1689 transitions. Word has length 196 [2018-11-18 17:11:25,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:11:25,746 INFO L480 AbstractCegarLoop]: Abstraction has 1034 states and 1689 transitions. [2018-11-18 17:11:25,746 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:11:25,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1689 transitions. [2018-11-18 17:11:25,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-18 17:11:25,749 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:11:25,750 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:11:25,750 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:11:25,750 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:11:25,750 INFO L82 PathProgramCache]: Analyzing trace with hash 754004949, now seen corresponding path program 1 times [2018-11-18 17:11:25,750 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:11:25,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:11:25,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:11:25,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:11:25,752 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:11:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:25,926 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:11:25,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:11:25,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:11:25,927 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:11:25,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:11:25,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:11:25,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:11:25,928 INFO L87 Difference]: Start difference. First operand 1034 states and 1689 transitions. Second operand 3 states. [2018-11-18 17:11:26,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:11:26,714 INFO L93 Difference]: Finished difference Result 2926 states and 4961 transitions. [2018-11-18 17:11:26,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:11:26,715 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2018-11-18 17:11:26,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:11:26,724 INFO L225 Difference]: With dead ends: 2926 [2018-11-18 17:11:26,724 INFO L226 Difference]: Without dead ends: 1898 [2018-11-18 17:11:26,728 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:11:26,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1898 states. [2018-11-18 17:11:26,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1898 to 1876. [2018-11-18 17:11:26,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1876 states. [2018-11-18 17:11:26,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 3046 transitions. [2018-11-18 17:11:26,797 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 3046 transitions. Word has length 199 [2018-11-18 17:11:26,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:11:26,798 INFO L480 AbstractCegarLoop]: Abstraction has 1876 states and 3046 transitions. [2018-11-18 17:11:26,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:11:26,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 3046 transitions. [2018-11-18 17:11:26,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-18 17:11:26,803 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:11:26,804 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:11:26,804 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:11:26,804 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:11:26,804 INFO L82 PathProgramCache]: Analyzing trace with hash 539289068, now seen corresponding path program 1 times [2018-11-18 17:11:26,804 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:11:26,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:11:26,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:11:26,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:11:26,805 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:11:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:26,931 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:11:26,931 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:11:26,932 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:11:26,932 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 218 with the following transitions: [2018-11-18 17:11:26,934 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [28], [29], [33], [37], [41], [45], [48], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [949], [951], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-18 17:11:26,976 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:11:26,976 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:11:27,681 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:11:27,682 INFO L272 AbstractInterpreter]: Visited 187 different actions 187 times. Never merged. Never widened. Performed 4106 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4106 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 88 variables. [2018-11-18 17:11:27,700 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:11:27,700 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:11:28,433 INFO L227 lantSequenceWeakener]: Weakened 208 states. On average, predicates are now at 73.16% of their original sizes. [2018-11-18 17:11:28,433 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:11:28,559 INFO L415 sIntCurrentIteration]: We unified 216 AI predicates to 216 [2018-11-18 17:11:28,559 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:11:28,560 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:11:28,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2018-11-18 17:11:28,560 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:11:28,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 17:11:28,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 17:11:28,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2018-11-18 17:11:28,561 INFO L87 Difference]: Start difference. First operand 1876 states and 3046 transitions. Second operand 13 states. [2018-11-18 17:11:39,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:11:39,688 INFO L93 Difference]: Finished difference Result 3956 states and 6420 transitions. [2018-11-18 17:11:39,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 17:11:39,688 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 217 [2018-11-18 17:11:39,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:11:39,693 INFO L225 Difference]: With dead ends: 3956 [2018-11-18 17:11:39,693 INFO L226 Difference]: Without dead ends: 2086 [2018-11-18 17:11:39,696 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 217 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2018-11-18 17:11:39,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2086 states. [2018-11-18 17:11:39,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2086 to 2084. [2018-11-18 17:11:39,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2084 states. [2018-11-18 17:11:39,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 2084 states and 3264 transitions. [2018-11-18 17:11:39,726 INFO L78 Accepts]: Start accepts. Automaton has 2084 states and 3264 transitions. Word has length 217 [2018-11-18 17:11:39,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:11:39,726 INFO L480 AbstractCegarLoop]: Abstraction has 2084 states and 3264 transitions. [2018-11-18 17:11:39,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 17:11:39,726 INFO L276 IsEmpty]: Start isEmpty. Operand 2084 states and 3264 transitions. [2018-11-18 17:11:39,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 17:11:39,730 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:11:39,730 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:11:39,730 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:11:39,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:11:39,731 INFO L82 PathProgramCache]: Analyzing trace with hash 51500791, now seen corresponding path program 1 times [2018-11-18 17:11:39,731 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:11:39,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:11:39,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:11:39,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:11:39,733 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:11:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:39,822 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 50 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:11:39,822 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:11:39,822 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:11:39,822 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 227 with the following transitions: [2018-11-18 17:11:39,823 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [48], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [949], [951], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-18 17:11:39,828 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:11:39,829 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:11:40,308 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:11:40,308 INFO L272 AbstractInterpreter]: Visited 191 different actions 374 times. Merged at 4 different actions 4 times. Never widened. Performed 8570 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8570 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-11-18 17:11:40,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:11:40,319 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:11:40,319 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:11:40,319 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ebe7b96-2231-45c8-810e-9bc6d5680523/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:11:40,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:11:40,335 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:11:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:40,460 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:11:40,536 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 17:11:40,536 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:11:40,719 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 17:11:40,735 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:11:40,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-18 17:11:40,735 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:11:40,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:11:40,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:11:40,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:11:40,736 INFO L87 Difference]: Start difference. First operand 2084 states and 3264 transitions. Second operand 3 states. [2018-11-18 17:11:41,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:11:41,335 INFO L93 Difference]: Finished difference Result 5706 states and 9416 transitions. [2018-11-18 17:11:41,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:11:41,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2018-11-18 17:11:41,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:11:41,351 INFO L225 Difference]: With dead ends: 5706 [2018-11-18 17:11:41,351 INFO L226 Difference]: Without dead ends: 3836 [2018-11-18 17:11:41,358 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 450 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:11:41,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3836 states. [2018-11-18 17:11:41,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3836 to 3831. [2018-11-18 17:11:41,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3831 states. [2018-11-18 17:11:41,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3831 states to 3831 states and 5876 transitions. [2018-11-18 17:11:41,439 INFO L78 Accepts]: Start accepts. Automaton has 3831 states and 5876 transitions. Word has length 226 [2018-11-18 17:11:41,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:11:41,440 INFO L480 AbstractCegarLoop]: Abstraction has 3831 states and 5876 transitions. [2018-11-18 17:11:41,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:11:41,440 INFO L276 IsEmpty]: Start isEmpty. Operand 3831 states and 5876 transitions. [2018-11-18 17:11:41,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-18 17:11:41,450 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:11:41,450 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:11:41,450 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:11:41,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:11:41,450 INFO L82 PathProgramCache]: Analyzing trace with hash -578816112, now seen corresponding path program 1 times [2018-11-18 17:11:41,451 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:11:41,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:11:41,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:11:41,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:11:41,451 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:11:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:41,556 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:11:41,556 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:11:41,556 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:11:41,556 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 234 with the following transitions: [2018-11-18 17:11:41,557 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [68], [73], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [949], [951], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-18 17:11:41,563 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:11:41,563 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:11:41,964 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:11:41,965 INFO L272 AbstractInterpreter]: Visited 191 different actions 374 times. Merged at 4 different actions 4 times. Never widened. Performed 8572 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8572 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-11-18 17:11:41,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:11:41,974 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:11:41,974 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:11:41,974 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ebe7b96-2231-45c8-810e-9bc6d5680523/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:11:41,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:11:41,987 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:11:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:42,122 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:11:42,183 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 17:11:42,183 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:11:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 17:11:42,258 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:11:42,258 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-18 17:11:42,258 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:11:42,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:11:42,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:11:42,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:11:42,259 INFO L87 Difference]: Start difference. First operand 3831 states and 5876 transitions. Second operand 3 states. [2018-11-18 17:11:42,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:11:42,827 INFO L93 Difference]: Finished difference Result 10700 states and 17044 transitions. [2018-11-18 17:11:42,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:11:42,827 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2018-11-18 17:11:42,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:11:42,853 INFO L225 Difference]: With dead ends: 10700 [2018-11-18 17:11:42,853 INFO L226 Difference]: Without dead ends: 7083 [2018-11-18 17:11:42,864 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 464 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:11:42,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7083 states. [2018-11-18 17:11:43,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7083 to 7058. [2018-11-18 17:11:43,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7058 states. [2018-11-18 17:11:43,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7058 states to 7058 states and 10955 transitions. [2018-11-18 17:11:43,014 INFO L78 Accepts]: Start accepts. Automaton has 7058 states and 10955 transitions. Word has length 233 [2018-11-18 17:11:43,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:11:43,015 INFO L480 AbstractCegarLoop]: Abstraction has 7058 states and 10955 transitions. [2018-11-18 17:11:43,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:11:43,015 INFO L276 IsEmpty]: Start isEmpty. Operand 7058 states and 10955 transitions. [2018-11-18 17:11:43,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-18 17:11:43,032 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:11:43,032 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:11:43,033 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:11:43,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:11:43,033 INFO L82 PathProgramCache]: Analyzing trace with hash -928097915, now seen corresponding path program 1 times [2018-11-18 17:11:43,033 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:11:43,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:11:43,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:11:43,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:11:43,034 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:11:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:43,192 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:11:43,192 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:11:43,193 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:11:43,193 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 253 with the following transitions: [2018-11-18 17:11:43,193 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [151], [156], [158], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [949], [951], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-18 17:11:43,200 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:11:43,200 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:11:43,767 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:11:43,767 INFO L272 AbstractInterpreter]: Visited 191 different actions 374 times. Merged at 4 different actions 4 times. Never widened. Performed 8578 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8578 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-11-18 17:11:43,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:11:43,769 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:11:43,769 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:11:43,769 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ebe7b96-2231-45c8-810e-9bc6d5680523/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:11:43,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:11:43,777 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:11:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:43,902 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:11:43,998 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 17:11:43,998 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:11:44,055 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 17:11:44,070 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:11:44,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-18 17:11:44,071 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:11:44,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:11:44,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:11:44,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:11:44,072 INFO L87 Difference]: Start difference. First operand 7058 states and 10955 transitions. Second operand 3 states. [2018-11-18 17:11:44,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:11:44,624 INFO L93 Difference]: Finished difference Result 20383 states and 32826 transitions. [2018-11-18 17:11:44,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:11:44,625 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 252 [2018-11-18 17:11:44,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:11:44,669 INFO L225 Difference]: With dead ends: 20383 [2018-11-18 17:11:44,669 INFO L226 Difference]: Without dead ends: 13539 [2018-11-18 17:11:44,691 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 509 GetRequests, 502 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:11:44,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13539 states. [2018-11-18 17:11:44,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13539 to 13536. [2018-11-18 17:11:44,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13536 states. [2018-11-18 17:11:44,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13536 states to 13536 states and 19407 transitions. [2018-11-18 17:11:44,996 INFO L78 Accepts]: Start accepts. Automaton has 13536 states and 19407 transitions. Word has length 252 [2018-11-18 17:11:44,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:11:44,997 INFO L480 AbstractCegarLoop]: Abstraction has 13536 states and 19407 transitions. [2018-11-18 17:11:44,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:11:44,997 INFO L276 IsEmpty]: Start isEmpty. Operand 13536 states and 19407 transitions. [2018-11-18 17:11:45,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-18 17:11:45,032 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:11:45,032 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:11:45,033 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:11:45,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:11:45,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1021782007, now seen corresponding path program 1 times [2018-11-18 17:11:45,033 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:11:45,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:11:45,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:11:45,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:11:45,034 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:11:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:45,331 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 89 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:11:45,331 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:11:45,331 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:11:45,332 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 288 with the following transitions: [2018-11-18 17:11:45,332 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [436], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [949], [951], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-18 17:11:45,336 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:11:45,336 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:11:45,704 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:11:45,704 INFO L272 AbstractInterpreter]: Visited 190 different actions 373 times. Merged at 5 different actions 5 times. Never widened. Performed 8329 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8329 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-11-18 17:11:45,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:11:45,710 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:11:45,710 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:11:45,710 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ebe7b96-2231-45c8-810e-9bc6d5680523/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:11:45,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:11:45,717 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:11:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:45,825 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:11:45,887 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:11:45,887 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:11:45,994 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:11:46,010 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:11:46,010 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 8 [2018-11-18 17:11:46,010 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:11:46,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:11:46,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:11:46,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:11:46,011 INFO L87 Difference]: Start difference. First operand 13536 states and 19407 transitions. Second operand 3 states. [2018-11-18 17:11:46,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:11:46,773 INFO L93 Difference]: Finished difference Result 32505 states and 48723 transitions. [2018-11-18 17:11:46,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:11:46,774 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 287 [2018-11-18 17:11:46,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:11:46,833 INFO L225 Difference]: With dead ends: 32505 [2018-11-18 17:11:46,833 INFO L226 Difference]: Without dead ends: 19183 [2018-11-18 17:11:46,862 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 573 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:11:46,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19183 states. [2018-11-18 17:11:47,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19183 to 19180. [2018-11-18 17:11:47,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19180 states. [2018-11-18 17:11:47,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19180 states to 19180 states and 28139 transitions. [2018-11-18 17:11:47,194 INFO L78 Accepts]: Start accepts. Automaton has 19180 states and 28139 transitions. Word has length 287 [2018-11-18 17:11:47,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:11:47,194 INFO L480 AbstractCegarLoop]: Abstraction has 19180 states and 28139 transitions. [2018-11-18 17:11:47,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:11:47,194 INFO L276 IsEmpty]: Start isEmpty. Operand 19180 states and 28139 transitions. [2018-11-18 17:11:47,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2018-11-18 17:11:47,243 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:11:47,243 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:11:47,244 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:11:47,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:11:47,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1419410873, now seen corresponding path program 1 times [2018-11-18 17:11:47,244 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:11:47,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:11:47,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:11:47,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:11:47,245 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:11:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:47,532 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 159 proven. 53 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 17:11:47,533 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:11:47,533 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:11:47,534 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 343 with the following transitions: [2018-11-18 17:11:47,534 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [24], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [174], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [424], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [949], [951], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-18 17:11:47,541 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:11:47,541 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:11:47,905 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:11:47,905 INFO L272 AbstractInterpreter]: Visited 191 different actions 376 times. Merged at 5 different actions 5 times. Never widened. Performed 8223 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8223 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-11-18 17:11:47,913 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:11:47,914 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:11:48,573 INFO L227 lantSequenceWeakener]: Weakened 339 states. On average, predicates are now at 72.43% of their original sizes. [2018-11-18 17:11:48,574 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:11:48,797 INFO L415 sIntCurrentIteration]: We unified 341 AI predicates to 341 [2018-11-18 17:11:48,797 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:11:48,797 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:11:48,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [9] total 28 [2018-11-18 17:11:48,797 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:11:48,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-18 17:11:48,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-18 17:11:48,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2018-11-18 17:11:48,798 INFO L87 Difference]: Start difference. First operand 19180 states and 28139 transitions. Second operand 21 states. [2018-11-18 17:11:59,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:11:59,407 INFO L93 Difference]: Finished difference Result 38360 states and 56368 transitions. [2018-11-18 17:11:59,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 17:11:59,407 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 342 [2018-11-18 17:11:59,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:11:59,446 INFO L225 Difference]: With dead ends: 38360 [2018-11-18 17:11:59,446 INFO L226 Difference]: Without dead ends: 19394 [2018-11-18 17:11:59,468 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 350 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=190, Invalid=680, Unknown=0, NotChecked=0, Total=870 [2018-11-18 17:11:59,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19394 states. [2018-11-18 17:11:59,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19394 to 19391. [2018-11-18 17:11:59,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19391 states. [2018-11-18 17:11:59,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19391 states to 19391 states and 28360 transitions. [2018-11-18 17:11:59,912 INFO L78 Accepts]: Start accepts. Automaton has 19391 states and 28360 transitions. Word has length 342 [2018-11-18 17:11:59,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:11:59,912 INFO L480 AbstractCegarLoop]: Abstraction has 19391 states and 28360 transitions. [2018-11-18 17:11:59,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-18 17:11:59,912 INFO L276 IsEmpty]: Start isEmpty. Operand 19391 states and 28360 transitions. [2018-11-18 17:11:59,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2018-11-18 17:11:59,943 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:11:59,944 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:11:59,944 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:11:59,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:11:59,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1915840571, now seen corresponding path program 1 times [2018-11-18 17:11:59,944 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:11:59,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:11:59,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:11:59,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:11:59,945 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:11:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:00,180 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 182 proven. 45 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:12:00,180 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:12:00,180 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:12:00,181 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 353 with the following transitions: [2018-11-18 17:12:00,181 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [174], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [424], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [949], [951], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-18 17:12:00,184 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:12:00,184 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:12:00,581 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:12:00,581 INFO L272 AbstractInterpreter]: Visited 192 different actions 376 times. Merged at 4 different actions 4 times. Never widened. Performed 8617 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8617 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-11-18 17:12:00,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:12:00,586 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:12:00,586 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:12:00,586 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ebe7b96-2231-45c8-810e-9bc6d5680523/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:12:00,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:12:00,592 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:12:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:00,716 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:12:00,763 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 226 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 17:12:00,763 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:12:00,852 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 226 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 17:12:00,868 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:12:00,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 17:12:00,868 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:12:00,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:12:00,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:12:00,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:12:00,868 INFO L87 Difference]: Start difference. First operand 19391 states and 28360 transitions. Second operand 9 states. [2018-11-18 17:12:02,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:12:02,481 INFO L93 Difference]: Finished difference Result 60587 states and 95188 transitions. [2018-11-18 17:12:02,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 17:12:02,482 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 352 [2018-11-18 17:12:02,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:12:02,482 INFO L225 Difference]: With dead ends: 60587 [2018-11-18 17:12:02,482 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:12:02,563 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 723 GetRequests, 708 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2018-11-18 17:12:02,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:12:02,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:12:02,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:12:02,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:12:02,564 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 352 [2018-11-18 17:12:02,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:12:02,564 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:12:02,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:12:02,564 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:12:02,564 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:12:02,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:12:03,096 WARN L180 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 28 [2018-11-18 17:12:03,295 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 28 [2018-11-18 17:12:03,549 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 128 [2018-11-18 17:12:04,885 WARN L180 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 546 DAG size of output: 176 [2018-11-18 17:12:05,021 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 102 [2018-11-18 17:12:05,161 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 102 [2018-11-18 17:12:05,162 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:12:05,162 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= |old(~a0~0)| ~a0~0) (= ~a5~0 |old(~a5~0)|)) [2018-11-18 17:12:05,162 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:12:05,162 INFO L425 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2018-11-18 17:12:05,162 INFO L425 ceAbstractionStarter]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2018-11-18 17:12:05,162 INFO L425 ceAbstractionStarter]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,163 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,163 INFO L425 ceAbstractionStarter]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,163 INFO L425 ceAbstractionStarter]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,163 INFO L425 ceAbstractionStarter]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,163 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,163 INFO L425 ceAbstractionStarter]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,163 INFO L425 ceAbstractionStarter]: For program point L1623(line 1623) no Hoare annotation was computed. [2018-11-18 17:12:05,163 INFO L425 ceAbstractionStarter]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,163 INFO L425 ceAbstractionStarter]: For program point L1557(line 1557) no Hoare annotation was computed. [2018-11-18 17:12:05,163 INFO L425 ceAbstractionStarter]: For program point L1491(line 1491) no Hoare annotation was computed. [2018-11-18 17:12:05,163 INFO L425 ceAbstractionStarter]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,163 INFO L425 ceAbstractionStarter]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,163 INFO L425 ceAbstractionStarter]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,163 INFO L425 ceAbstractionStarter]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,163 INFO L425 ceAbstractionStarter]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2018-11-18 17:12:05,163 INFO L425 ceAbstractionStarter]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2018-11-18 17:12:05,163 INFO L425 ceAbstractionStarter]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,163 INFO L425 ceAbstractionStarter]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,163 INFO L425 ceAbstractionStarter]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,163 INFO L425 ceAbstractionStarter]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,163 INFO L425 ceAbstractionStarter]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,163 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,163 INFO L425 ceAbstractionStarter]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,163 INFO L425 ceAbstractionStarter]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,164 INFO L425 ceAbstractionStarter]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,164 INFO L425 ceAbstractionStarter]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,164 INFO L425 ceAbstractionStarter]: For program point L1626(line 1626) no Hoare annotation was computed. [2018-11-18 17:12:05,164 INFO L425 ceAbstractionStarter]: For program point L1560(line 1560) no Hoare annotation was computed. [2018-11-18 17:12:05,164 INFO L425 ceAbstractionStarter]: For program point L1494(line 1494) no Hoare annotation was computed. [2018-11-18 17:12:05,164 INFO L425 ceAbstractionStarter]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,164 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,164 INFO L425 ceAbstractionStarter]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,164 INFO L425 ceAbstractionStarter]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,164 INFO L425 ceAbstractionStarter]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,164 INFO L425 ceAbstractionStarter]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,164 INFO L425 ceAbstractionStarter]: For program point L1629(line 1629) no Hoare annotation was computed. [2018-11-18 17:12:05,164 INFO L425 ceAbstractionStarter]: For program point L1563(line 1563) no Hoare annotation was computed. [2018-11-18 17:12:05,164 INFO L425 ceAbstractionStarter]: For program point L1497(line 1497) no Hoare annotation was computed. [2018-11-18 17:12:05,164 INFO L425 ceAbstractionStarter]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,164 INFO L425 ceAbstractionStarter]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,164 INFO L425 ceAbstractionStarter]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,164 INFO L425 ceAbstractionStarter]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,164 INFO L425 ceAbstractionStarter]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,164 INFO L425 ceAbstractionStarter]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,164 INFO L425 ceAbstractionStarter]: For program point L1632(line 1632) no Hoare annotation was computed. [2018-11-18 17:12:05,164 INFO L425 ceAbstractionStarter]: For program point L1566(line 1566) no Hoare annotation was computed. [2018-11-18 17:12:05,164 INFO L425 ceAbstractionStarter]: For program point L1500(line 1500) no Hoare annotation was computed. [2018-11-18 17:12:05,164 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,164 INFO L425 ceAbstractionStarter]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,164 INFO L425 ceAbstractionStarter]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,164 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 395) no Hoare annotation was computed. [2018-11-18 17:12:05,165 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,165 INFO L425 ceAbstractionStarter]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2018-11-18 17:12:05,165 INFO L425 ceAbstractionStarter]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,165 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,165 INFO L425 ceAbstractionStarter]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2018-11-18 17:12:05,165 INFO L425 ceAbstractionStarter]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2018-11-18 17:12:05,165 INFO L425 ceAbstractionStarter]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,165 INFO L425 ceAbstractionStarter]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,165 INFO L425 ceAbstractionStarter]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,165 INFO L425 ceAbstractionStarter]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,165 INFO L425 ceAbstractionStarter]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,165 INFO L425 ceAbstractionStarter]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,165 INFO L425 ceAbstractionStarter]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,165 INFO L425 ceAbstractionStarter]: For program point L710(lines 710 731) no Hoare annotation was computed. [2018-11-18 17:12:05,165 INFO L425 ceAbstractionStarter]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2018-11-18 17:12:05,165 INFO L425 ceAbstractionStarter]: For program point L1635(line 1635) no Hoare annotation was computed. [2018-11-18 17:12:05,165 INFO L425 ceAbstractionStarter]: For program point L1569(line 1569) no Hoare annotation was computed. [2018-11-18 17:12:05,165 INFO L425 ceAbstractionStarter]: For program point L1503(line 1503) no Hoare annotation was computed. [2018-11-18 17:12:05,165 INFO L425 ceAbstractionStarter]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,165 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,165 INFO L425 ceAbstractionStarter]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,165 INFO L425 ceAbstractionStarter]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,165 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,165 INFO L425 ceAbstractionStarter]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,165 INFO L425 ceAbstractionStarter]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,166 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,166 INFO L425 ceAbstractionStarter]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,166 INFO L425 ceAbstractionStarter]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,166 INFO L425 ceAbstractionStarter]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,166 INFO L425 ceAbstractionStarter]: For program point L1638(line 1638) no Hoare annotation was computed. [2018-11-18 17:12:05,166 INFO L425 ceAbstractionStarter]: For program point L1572(line 1572) no Hoare annotation was computed. [2018-11-18 17:12:05,166 INFO L425 ceAbstractionStarter]: For program point L1506(line 1506) no Hoare annotation was computed. [2018-11-18 17:12:05,166 INFO L425 ceAbstractionStarter]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,166 INFO L425 ceAbstractionStarter]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,166 INFO L425 ceAbstractionStarter]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,166 INFO L425 ceAbstractionStarter]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,166 INFO L425 ceAbstractionStarter]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,166 INFO L425 ceAbstractionStarter]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,166 INFO L425 ceAbstractionStarter]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,166 INFO L425 ceAbstractionStarter]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,166 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,166 INFO L425 ceAbstractionStarter]: For program point L1641(line 1641) no Hoare annotation was computed. [2018-11-18 17:12:05,166 INFO L425 ceAbstractionStarter]: For program point L1575(line 1575) no Hoare annotation was computed. [2018-11-18 17:12:05,166 INFO L425 ceAbstractionStarter]: For program point L1509(line 1509) no Hoare annotation was computed. [2018-11-18 17:12:05,166 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 71) no Hoare annotation was computed. [2018-11-18 17:12:05,166 INFO L425 ceAbstractionStarter]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2018-11-18 17:12:05,166 INFO L425 ceAbstractionStarter]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,166 INFO L425 ceAbstractionStarter]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,166 INFO L425 ceAbstractionStarter]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,166 INFO L425 ceAbstractionStarter]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,166 INFO L425 ceAbstractionStarter]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,166 INFO L425 ceAbstractionStarter]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,167 INFO L425 ceAbstractionStarter]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,167 INFO L425 ceAbstractionStarter]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,167 INFO L425 ceAbstractionStarter]: For program point L1644(line 1644) no Hoare annotation was computed. [2018-11-18 17:12:05,167 INFO L425 ceAbstractionStarter]: For program point L1578(line 1578) no Hoare annotation was computed. [2018-11-18 17:12:05,167 INFO L425 ceAbstractionStarter]: For program point L1512(line 1512) no Hoare annotation was computed. [2018-11-18 17:12:05,167 INFO L425 ceAbstractionStarter]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,167 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,167 INFO L425 ceAbstractionStarter]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,167 INFO L425 ceAbstractionStarter]: For program point L918(lines 918 935) no Hoare annotation was computed. [2018-11-18 17:12:05,167 INFO L425 ceAbstractionStarter]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2018-11-18 17:12:05,167 INFO L425 ceAbstractionStarter]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,167 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 54 1650) the Hoare annotation is: (let ((.cse14 (not (= 1 |old(~a27~0)|)))) (let ((.cse0 (< 0 |old(~a6~0)|)) (.cse5 (let ((.cse45 (not (= 1 |old(~a10~0)|))) (.cse46 (not (= 1 |old(~a22~0)|))) (.cse47 (not (= 0 |old(~a11~0)|))) (.cse48 (not (= 1 |old(~a16~0)|))) (.cse49 (not (= 1 ~a18~0))) (.cse50 (not (= 0 |old(~a26~0)|))) (.cse51 (not (= 1 |old(~a1~0)|))) (.cse52 (not (= 0 |old(~a2~0)|))) (.cse53 (not (= 0 |old(~a12~0)|))) (.cse54 (not (= 0 |old(~a25~0)|))) (.cse55 (not (= 0 |old(~a7~0)|)))) (and (or .cse45 .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse52 .cse53 .cse54 .cse55 .cse14) (or .cse45 (not (= 0 |old(~a27~0)|)) .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse52 .cse53 .cse54 .cse55)))) (.cse6 (not (= 0 |old(~a6~0)|))) (.cse7 (not (= 1 |old(~a15~0)|))) (.cse35 (= ~a19~0 0)) (.cse20 (= ~a4~0 1)) (.cse36 (= ~a8~0 0)) (.cse21 (= ~a16~0 1)) (.cse22 (= ~a15~0 1)) (.cse23 (= ~a26~0 0)) (.cse24 (= ~a11~0 0)) (.cse25 (= ~a17~0 0)) (.cse26 (= ~a20~0 0)) (.cse27 (= ~a25~0 0)) (.cse28 (= ~a23~0 0)) (.cse29 (= ~a22~0 1)) (.cse30 (= ~a1~0 1)) (.cse31 (= ~a29~0 1)) (.cse32 (= ~a6~0 0)) (.cse33 (= ~a14~0 0)) (.cse34 (= ~a3~0 1)) (.cse37 (= ~a7~0 0)) (.cse38 (= ~a10~0 1)) (.cse39 (= ~a2~0 0)) (.cse8 (not (= 0 |old(~a20~0)|))) (.cse9 (not (= 0 |old(~a23~0)|))) (.cse10 (not (= 1 |old(~a0~0)|))) (.cse11 (not (= 0 |old(~a19~0)|))) (.cse12 (not (= 1 |old(~a29~0)|))) (.cse13 (= |calculate_output_#in~input| 0)) (.cse15 (not (= 0 |old(~a8~0)|))) (.cse16 (not (= 0 |old(~a14~0)|))) (.cse17 (not (= 1 |old(~a3~0)|))) (.cse18 (not (= 0 |old(~a17~0)|))) (.cse19 (not (= 1 |old(~a4~0)|))) (.cse42 (< |old(~a3~0)| 2)) (.cse43 (= 1 |old(~a11~0)|)) (.cse41 (<= ~a27~0 0)) (.cse40 (< 0 |old(~a27~0)|)) (.cse4 (not (= 1 |old(~a5~0)|))) (.cse44 (not (= 1 |old(~a26~0)|))) (.cse1 (= ~a12~0 |old(~a12~0)|)) (.cse2 (= |old(~a0~0)| ~a0~0)) (.cse3 (= ~a5~0 |old(~a5~0)|))) (and (or .cse0 (and .cse1 .cse2 (<= ~a6~0 0) .cse3) .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse4 .cse19 (and .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 (= ~a27~0 1) .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39)) (or .cse4 (and .cse1 (<= ~a3~0 0) .cse2 .cse3) (< 0 |old(~a3~0)|)) (or (not (= 1 |old(~a12~0)|)) .cse4 .cse40 (and .cse2 .cse3 (= 1 ~a12~0) .cse41)) (or .cse0 .cse4 .cse40 .cse42 .cse41) (or .cse5 .cse6 .cse7 (and (and .cse35 .cse20 .cse36 .cse21 .cse22 .cse23 .cse24 (= ~a27~0 0) .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34) .cse37 .cse38 .cse39) .cse8 .cse9 .cse10 .cse11 .cse12 .cse40 .cse13 .cse15 .cse16 .cse17 .cse18 .cse4 .cse19) (or .cse43 .cse4 (and .cse1 .cse2 .cse3 (not (= ~a11~0 1)))) (or .cse4 .cse42 (and .cse1 .cse2 (<= 2 ~a3~0) .cse3)) (or .cse41 .cse43 .cse4 .cse40) (or .cse41 .cse4 .cse44 .cse40) (or .cse4 .cse44 (and .cse1 .cse2 .cse3 (= 1 ~a26~0)))))) [2018-11-18 17:12:05,167 INFO L425 ceAbstractionStarter]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,167 INFO L425 ceAbstractionStarter]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,168 INFO L425 ceAbstractionStarter]: For program point L192(lines 192 211) no Hoare annotation was computed. [2018-11-18 17:12:05,168 INFO L425 ceAbstractionStarter]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,168 INFO L425 ceAbstractionStarter]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2018-11-18 17:12:05,168 INFO L425 ceAbstractionStarter]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,168 INFO L425 ceAbstractionStarter]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2018-11-18 17:12:05,168 INFO L425 ceAbstractionStarter]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,168 INFO L425 ceAbstractionStarter]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,168 INFO L425 ceAbstractionStarter]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2018-11-18 17:12:05,168 INFO L425 ceAbstractionStarter]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2018-11-18 17:12:05,168 INFO L425 ceAbstractionStarter]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2018-11-18 17:12:05,168 INFO L425 ceAbstractionStarter]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2018-11-18 17:12:05,168 INFO L425 ceAbstractionStarter]: For program point L1647(line 1647) no Hoare annotation was computed. [2018-11-18 17:12:05,168 INFO L425 ceAbstractionStarter]: For program point L1581(line 1581) no Hoare annotation was computed. [2018-11-18 17:12:05,168 INFO L425 ceAbstractionStarter]: For program point L1515(line 1515) no Hoare annotation was computed. [2018-11-18 17:12:05,168 INFO L425 ceAbstractionStarter]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,168 INFO L425 ceAbstractionStarter]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,168 INFO L425 ceAbstractionStarter]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,169 INFO L425 ceAbstractionStarter]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,169 INFO L425 ceAbstractionStarter]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,169 INFO L425 ceAbstractionStarter]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,169 INFO L425 ceAbstractionStarter]: For program point L1584(line 1584) no Hoare annotation was computed. [2018-11-18 17:12:05,169 INFO L425 ceAbstractionStarter]: For program point L1518(line 1518) no Hoare annotation was computed. [2018-11-18 17:12:05,169 INFO L425 ceAbstractionStarter]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,169 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,169 INFO L425 ceAbstractionStarter]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,169 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,169 INFO L425 ceAbstractionStarter]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,169 INFO L425 ceAbstractionStarter]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,169 INFO L425 ceAbstractionStarter]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,169 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,169 INFO L425 ceAbstractionStarter]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,169 INFO L425 ceAbstractionStarter]: For program point L1587(line 1587) no Hoare annotation was computed. [2018-11-18 17:12:05,170 INFO L425 ceAbstractionStarter]: For program point L1521(line 1521) no Hoare annotation was computed. [2018-11-18 17:12:05,170 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,170 INFO L425 ceAbstractionStarter]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,170 INFO L425 ceAbstractionStarter]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,170 INFO L425 ceAbstractionStarter]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,170 INFO L425 ceAbstractionStarter]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,170 INFO L425 ceAbstractionStarter]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,170 INFO L425 ceAbstractionStarter]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,170 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,170 INFO L425 ceAbstractionStarter]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,170 INFO L425 ceAbstractionStarter]: For program point L1590(line 1590) no Hoare annotation was computed. [2018-11-18 17:12:05,170 INFO L425 ceAbstractionStarter]: For program point L1524(line 1524) no Hoare annotation was computed. [2018-11-18 17:12:05,170 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,170 INFO L425 ceAbstractionStarter]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,170 INFO L425 ceAbstractionStarter]: For program point L468(lines 468 478) no Hoare annotation was computed. [2018-11-18 17:12:05,171 INFO L425 ceAbstractionStarter]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2018-11-18 17:12:05,171 INFO L425 ceAbstractionStarter]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,171 INFO L425 ceAbstractionStarter]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,171 INFO L425 ceAbstractionStarter]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,171 INFO L425 ceAbstractionStarter]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,171 INFO L425 ceAbstractionStarter]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,171 INFO L425 ceAbstractionStarter]: For program point L1593(line 1593) no Hoare annotation was computed. [2018-11-18 17:12:05,171 INFO L425 ceAbstractionStarter]: For program point L1527(line 1527) no Hoare annotation was computed. [2018-11-18 17:12:05,171 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,171 INFO L425 ceAbstractionStarter]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,171 INFO L425 ceAbstractionStarter]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,171 INFO L425 ceAbstractionStarter]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,171 INFO L425 ceAbstractionStarter]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,171 INFO L425 ceAbstractionStarter]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,172 INFO L425 ceAbstractionStarter]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,172 INFO L425 ceAbstractionStarter]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,172 INFO L425 ceAbstractionStarter]: For program point L869(lines 869 887) no Hoare annotation was computed. [2018-11-18 17:12:05,172 INFO L425 ceAbstractionStarter]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2018-11-18 17:12:05,172 INFO L425 ceAbstractionStarter]: For program point L1596(line 1596) no Hoare annotation was computed. [2018-11-18 17:12:05,172 INFO L425 ceAbstractionStarter]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,172 INFO L425 ceAbstractionStarter]: For program point L1530(line 1530) no Hoare annotation was computed. [2018-11-18 17:12:05,172 INFO L425 ceAbstractionStarter]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,172 INFO L425 ceAbstractionStarter]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,172 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,172 INFO L425 ceAbstractionStarter]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,172 INFO L425 ceAbstractionStarter]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,172 INFO L425 ceAbstractionStarter]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,172 INFO L425 ceAbstractionStarter]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,172 INFO L425 ceAbstractionStarter]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2018-11-18 17:12:05,173 INFO L425 ceAbstractionStarter]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,173 INFO L425 ceAbstractionStarter]: For program point L1599(line 1599) no Hoare annotation was computed. [2018-11-18 17:12:05,173 INFO L425 ceAbstractionStarter]: For program point L1533(line 1533) no Hoare annotation was computed. [2018-11-18 17:12:05,173 INFO L425 ceAbstractionStarter]: For program point L1467(line 1467) no Hoare annotation was computed. [2018-11-18 17:12:05,173 INFO L425 ceAbstractionStarter]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,173 INFO L425 ceAbstractionStarter]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,173 INFO L425 ceAbstractionStarter]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,173 INFO L425 ceAbstractionStarter]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,173 INFO L425 ceAbstractionStarter]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,173 INFO L425 ceAbstractionStarter]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,173 INFO L425 ceAbstractionStarter]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,173 INFO L425 ceAbstractionStarter]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,173 INFO L425 ceAbstractionStarter]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2018-11-18 17:12:05,173 INFO L425 ceAbstractionStarter]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2018-11-18 17:12:05,174 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,174 INFO L425 ceAbstractionStarter]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,174 INFO L425 ceAbstractionStarter]: For program point L1602(line 1602) no Hoare annotation was computed. [2018-11-18 17:12:05,174 INFO L425 ceAbstractionStarter]: For program point L1536(line 1536) no Hoare annotation was computed. [2018-11-18 17:12:05,174 INFO L425 ceAbstractionStarter]: For program point L1470(line 1470) no Hoare annotation was computed. [2018-11-18 17:12:05,174 INFO L425 ceAbstractionStarter]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,174 INFO L425 ceAbstractionStarter]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,174 INFO L425 ceAbstractionStarter]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,174 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,174 INFO L425 ceAbstractionStarter]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,174 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,174 INFO L425 ceAbstractionStarter]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,174 INFO L425 ceAbstractionStarter]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,174 INFO L425 ceAbstractionStarter]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,175 INFO L425 ceAbstractionStarter]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,175 INFO L425 ceAbstractionStarter]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,175 INFO L425 ceAbstractionStarter]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,175 INFO L425 ceAbstractionStarter]: For program point L1605(line 1605) no Hoare annotation was computed. [2018-11-18 17:12:05,175 INFO L425 ceAbstractionStarter]: For program point L1539(line 1539) no Hoare annotation was computed. [2018-11-18 17:12:05,175 INFO L425 ceAbstractionStarter]: For program point L1473(line 1473) no Hoare annotation was computed. [2018-11-18 17:12:05,175 INFO L425 ceAbstractionStarter]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,175 INFO L425 ceAbstractionStarter]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,175 INFO L425 ceAbstractionStarter]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,175 INFO L425 ceAbstractionStarter]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,175 INFO L425 ceAbstractionStarter]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,175 INFO L425 ceAbstractionStarter]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,175 INFO L425 ceAbstractionStarter]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,175 INFO L425 ceAbstractionStarter]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2018-11-18 17:12:05,175 INFO L425 ceAbstractionStarter]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2018-11-18 17:12:05,176 INFO L425 ceAbstractionStarter]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,176 INFO L425 ceAbstractionStarter]: For program point L1608(line 1608) no Hoare annotation was computed. [2018-11-18 17:12:05,176 INFO L425 ceAbstractionStarter]: For program point L1542(line 1542) no Hoare annotation was computed. [2018-11-18 17:12:05,176 INFO L425 ceAbstractionStarter]: For program point L1476(line 1476) no Hoare annotation was computed. [2018-11-18 17:12:05,176 INFO L425 ceAbstractionStarter]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,176 INFO L425 ceAbstractionStarter]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,176 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,176 INFO L425 ceAbstractionStarter]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,176 INFO L425 ceAbstractionStarter]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,176 INFO L425 ceAbstractionStarter]: For program point L685(lines 685 699) no Hoare annotation was computed. [2018-11-18 17:12:05,176 INFO L425 ceAbstractionStarter]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2018-11-18 17:12:05,176 INFO L425 ceAbstractionStarter]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,176 INFO L425 ceAbstractionStarter]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,176 INFO L425 ceAbstractionStarter]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,177 INFO L425 ceAbstractionStarter]: For program point L1611(line 1611) no Hoare annotation was computed. [2018-11-18 17:12:05,177 INFO L425 ceAbstractionStarter]: For program point L1545(line 1545) no Hoare annotation was computed. [2018-11-18 17:12:05,177 INFO L425 ceAbstractionStarter]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,177 INFO L425 ceAbstractionStarter]: For program point L1479(line 1479) no Hoare annotation was computed. [2018-11-18 17:12:05,177 INFO L425 ceAbstractionStarter]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,177 INFO L425 ceAbstractionStarter]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,177 INFO L425 ceAbstractionStarter]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,177 INFO L425 ceAbstractionStarter]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,177 INFO L425 ceAbstractionStarter]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,177 INFO L425 ceAbstractionStarter]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,177 INFO L425 ceAbstractionStarter]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,177 INFO L425 ceAbstractionStarter]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,177 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,177 INFO L425 ceAbstractionStarter]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,178 INFO L425 ceAbstractionStarter]: For program point L1614(line 1614) no Hoare annotation was computed. [2018-11-18 17:12:05,178 INFO L425 ceAbstractionStarter]: For program point L1548(line 1548) no Hoare annotation was computed. [2018-11-18 17:12:05,178 INFO L425 ceAbstractionStarter]: For program point L1482(line 1482) no Hoare annotation was computed. [2018-11-18 17:12:05,178 INFO L425 ceAbstractionStarter]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,178 INFO L425 ceAbstractionStarter]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2018-11-18 17:12:05,178 INFO L425 ceAbstractionStarter]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2018-11-18 17:12:05,178 INFO L425 ceAbstractionStarter]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,178 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,178 INFO L425 ceAbstractionStarter]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,178 INFO L425 ceAbstractionStarter]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,178 INFO L425 ceAbstractionStarter]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,178 INFO L425 ceAbstractionStarter]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,178 INFO L425 ceAbstractionStarter]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,178 INFO L425 ceAbstractionStarter]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,178 INFO L425 ceAbstractionStarter]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,179 INFO L425 ceAbstractionStarter]: For program point L1617(line 1617) no Hoare annotation was computed. [2018-11-18 17:12:05,179 INFO L425 ceAbstractionStarter]: For program point L1551(line 1551) no Hoare annotation was computed. [2018-11-18 17:12:05,179 INFO L425 ceAbstractionStarter]: For program point L1485(line 1485) no Hoare annotation was computed. [2018-11-18 17:12:05,179 INFO L425 ceAbstractionStarter]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,179 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,179 INFO L425 ceAbstractionStarter]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,179 INFO L425 ceAbstractionStarter]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,179 INFO L425 ceAbstractionStarter]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 17:12:05,179 INFO L425 ceAbstractionStarter]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,179 INFO L425 ceAbstractionStarter]: For program point L1620(line 1620) no Hoare annotation was computed. [2018-11-18 17:12:05,179 INFO L425 ceAbstractionStarter]: For program point L1554(line 1554) no Hoare annotation was computed. [2018-11-18 17:12:05,179 INFO L425 ceAbstractionStarter]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,179 INFO L425 ceAbstractionStarter]: For program point L1488(line 1488) no Hoare annotation was computed. [2018-11-18 17:12:05,179 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1572) no Hoare annotation was computed. [2018-11-18 17:12:05,180 INFO L425 ceAbstractionStarter]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2018-11-18 17:12:05,180 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:12:05,180 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a12~0 0) (= ~a4~0 1) (= ~a16~0 1) (= ~a15~0 1) (= ~a0~0 1) (= ~a26~0 0) (= ~a11~0 0) (= ~a17~0 0) (= ~a20~0 0) (= ~a25~0 0) (= ~a27~0 1) (= ~a23~0 0) (= ~a22~0 1) (= ~a1~0 1) (= ~a29~0 1) (= ~a6~0 0) (= ~a14~0 0) (= ~a3~0 1) (= ~a19~0 0) (= ~a18~0 1) (= ~a8~0 0) (= ~a5~0 1) (= ~a7~0 0) (= ~a10~0 1) (= ~a2~0 0)) [2018-11-18 17:12:05,180 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:12:05,180 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:12:05,180 INFO L425 ceAbstractionStarter]: For program point L1666-1(line 1666) no Hoare annotation was computed. [2018-11-18 17:12:05,180 INFO L425 ceAbstractionStarter]: For program point L1663(line 1663) no Hoare annotation was computed. [2018-11-18 17:12:05,180 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 1652 1669) the Hoare annotation is: (or (and (= ~a12~0 0) (= ~a4~0 1) (= ~a16~0 1) (= ~a15~0 1) (= ~a26~0 0) (= ~a11~0 0) (= ~a17~0 0) (= ~a20~0 0) (= ~a25~0 0) (= ~a27~0 1) (= ~a23~0 0) (= ~a22~0 1) (= ~a1~0 1) (= ~a29~0 1) (= ~a6~0 0) (= ~a14~0 0) (= ~a3~0 1) (= ~a19~0 0) (= |old(~a0~0)| ~a0~0) (= ~a8~0 0) (= ~a5~0 1) (= ~a7~0 0) (= ~a10~0 1) (= ~a2~0 0)) (or (not (= 1 |old(~a10~0)|)) (not (= 1 |old(~a22~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a16~0)|)) (not (= 1 ~a18~0)) (not (= 0 |old(~a26~0)|)) (not (= 1 |old(~a1~0)|)) (not (= 0 |old(~a2~0)|)) (not (= 0 |old(~a12~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 0 |old(~a7~0)|))) (not (= 0 |old(~a6~0)|)) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 0 |old(~a19~0)|)) (not (= 1 |old(~a29~0)|)) (not (= 1 |old(~a27~0)|)) (not (= 0 |old(~a8~0)|)) (not (= 0 |old(~a14~0)|)) (not (= 1 |old(~a3~0)|)) (not (= 0 |old(~a17~0)|)) (not (= 1 |old(~a5~0)|)) (not (= 1 |old(~a4~0)|))) [2018-11-18 17:12:05,180 INFO L425 ceAbstractionStarter]: For program point L1658-1(lines 1658 1668) no Hoare annotation was computed. [2018-11-18 17:12:05,181 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1652 1669) no Hoare annotation was computed. [2018-11-18 17:12:05,181 INFO L421 ceAbstractionStarter]: At program point L1658-3(lines 1658 1668) the Hoare annotation is: (let ((.cse0 (= ~a5~0 |old(~a5~0)|))) (or (and (<= 2 ~a3~0) .cse0) (and .cse0 (= 1 ~a26~0)) (and .cse0 (not (= ~a11~0 1))) (or (not (= 1 |old(~a10~0)|)) (not (= 1 |old(~a22~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a16~0)|)) (not (= 1 ~a18~0)) (not (= 0 |old(~a26~0)|)) (not (= 1 |old(~a1~0)|)) (not (= 0 |old(~a2~0)|)) (not (= 0 |old(~a12~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 0 |old(~a7~0)|))) (not (= 0 |old(~a6~0)|)) (and (<= ~a6~0 0) .cse0) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 0 |old(~a19~0)|)) (not (= 1 |old(~a29~0)|)) (and .cse0 (= 1 ~a12~0) (<= ~a27~0 0)) (not (= 1 |old(~a27~0)|)) (not (= 0 |old(~a8~0)|)) (and (<= ~a3~0 0) .cse0) (not (= 0 |old(~a14~0)|)) (not (= 1 |old(~a3~0)|)) (not (= 0 |old(~a17~0)|)) (not (= 1 |old(~a5~0)|)) (not (= 1 |old(~a4~0)|)))) [2018-11-18 17:12:05,181 INFO L425 ceAbstractionStarter]: For program point L1658-4(lines 1652 1669) no Hoare annotation was computed. [2018-11-18 17:12:05,181 INFO L421 ceAbstractionStarter]: At program point L1666(line 1666) the Hoare annotation is: (let ((.cse0 (= ~a5~0 |old(~a5~0)|))) (or (and (<= 2 ~a3~0) .cse0) (and .cse0 (= 1 ~a26~0)) (and .cse0 (not (= ~a11~0 1))) (or (not (= 1 |old(~a10~0)|)) (not (= 1 |old(~a22~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a16~0)|)) (not (= 1 ~a18~0)) (not (= 0 |old(~a26~0)|)) (not (= 1 |old(~a1~0)|)) (not (= 0 |old(~a2~0)|)) (not (= 0 |old(~a12~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 0 |old(~a7~0)|))) (not (= 0 |old(~a6~0)|)) (and (<= ~a6~0 0) .cse0) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 0 |old(~a19~0)|)) (not (= 1 |old(~a29~0)|)) (and .cse0 (= 1 ~a12~0) (<= ~a27~0 0)) (not (= 1 |old(~a27~0)|)) (not (= 0 |old(~a8~0)|)) (and (<= ~a3~0 0) .cse0) (not (= 0 |old(~a14~0)|)) (not (= 1 |old(~a3~0)|)) (not (= 0 |old(~a17~0)|)) (not (= 1 |old(~a5~0)|)) (not (= 1 |old(~a4~0)|)))) [2018-11-18 17:12:05,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:12:05 BoogieIcfgContainer [2018-11-18 17:12:05,193 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:12:05,193 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:12:05,193 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:12:05,193 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:12:05,194 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:11:23" (3/4) ... [2018-11-18 17:12:05,196 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:12:05,201 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:12:05,201 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 17:12:05,201 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:12:05,217 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 17:12:05,220 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 17:12:05,244 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((2 <= a3 && a5 == \old(a5)) || (a5 == \old(a5) && 1 == a26)) || (a5 == \old(a5) && !(a11 == 1))) || (((((((((!(1 == \old(a10)) || !(1 == \old(a22))) || !(0 == \old(a11))) || !(1 == \old(a16))) || !(1 == a18)) || !(0 == \old(a26))) || !(1 == \old(a1))) || !(0 == \old(a2))) || !(0 == \old(a12))) || !(0 == \old(a25))) || !(0 == \old(a7))) || !(0 == \old(a6))) || (a6 <= 0 && a5 == \old(a5))) || !(1 == \old(a15))) || !(0 == \old(a20))) || !(0 == \old(a23))) || !(1 == \old(a0))) || !(0 == \old(a19))) || !(1 == \old(a29))) || ((a5 == \old(a5) && 1 == a12) && a27 <= 0)) || !(1 == \old(a27))) || !(0 == \old(a8))) || (a3 <= 0 && a5 == \old(a5))) || !(0 == \old(a14))) || !(1 == \old(a3))) || !(0 == \old(a17))) || !(1 == \old(a5))) || !(1 == \old(a4)) [2018-11-18 17:12:05,356 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6ebe7b96-2231-45c8-810e-9bc6d5680523/bin-2019/utaipan/witness.graphml [2018-11-18 17:12:05,356 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:12:05,357 INFO L168 Benchmark]: Toolchain (without parser) took 43963.43 ms. Allocated memory was 1.0 GB in the beginning and 4.2 GB in the end (delta: 3.1 GB). Free memory was 949.6 MB in the beginning and 2.9 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-18 17:12:05,357 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:12:05,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -185.1 MB). Peak memory consumption was 117.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:12:05,358 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:12:05,359 INFO L168 Benchmark]: Boogie Preprocessor took 65.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:12:05,359 INFO L168 Benchmark]: RCFGBuilder took 1113.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 873.9 MB in the end (delta: 246.9 MB). Peak memory consumption was 246.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:12:05,359 INFO L168 Benchmark]: TraceAbstraction took 41927.31 ms. Allocated memory was 1.2 GB in the beginning and 4.2 GB in the end (delta: 3.0 GB). Free memory was 873.9 MB in the beginning and 3.0 GB in the end (delta: -2.1 GB). Peak memory consumption was 3.0 GB. Max. memory is 11.5 GB. [2018-11-18 17:12:05,359 INFO L168 Benchmark]: Witness Printer took 162.98 ms. Allocated memory is still 4.2 GB. Free memory was 3.0 GB in the beginning and 2.9 GB in the end (delta: 63.2 MB). Peak memory consumption was 63.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:12:05,361 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 656.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -185.1 MB). Peak memory consumption was 117.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1113.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 873.9 MB in the end (delta: 246.9 MB). Peak memory consumption was 246.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 41927.31 ms. Allocated memory was 1.2 GB in the beginning and 4.2 GB in the end (delta: 3.0 GB). Free memory was 873.9 MB in the beginning and 3.0 GB in the end (delta: -2.1 GB). Peak memory consumption was 3.0 GB. Max. memory is 11.5 GB. * Witness Printer took 162.98 ms. Allocated memory is still 4.2 GB. Free memory was 3.0 GB in the beginning and 2.9 GB in the end (delta: 63.2 MB). Peak memory consumption was 63.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1572]: 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: 1658]: Loop Invariant Derived loop invariant: ((((((((((((((((((((2 <= a3 && a5 == \old(a5)) || (a5 == \old(a5) && 1 == a26)) || (a5 == \old(a5) && !(a11 == 1))) || (((((((((!(1 == \old(a10)) || !(1 == \old(a22))) || !(0 == \old(a11))) || !(1 == \old(a16))) || !(1 == a18)) || !(0 == \old(a26))) || !(1 == \old(a1))) || !(0 == \old(a2))) || !(0 == \old(a12))) || !(0 == \old(a25))) || !(0 == \old(a7))) || !(0 == \old(a6))) || (a6 <= 0 && a5 == \old(a5))) || !(1 == \old(a15))) || !(0 == \old(a20))) || !(0 == \old(a23))) || !(1 == \old(a0))) || !(0 == \old(a19))) || !(1 == \old(a29))) || ((a5 == \old(a5) && 1 == a12) && a27 <= 0)) || !(1 == \old(a27))) || !(0 == \old(a8))) || (a3 <= 0 && a5 == \old(a5))) || !(0 == \old(a14))) || !(1 == \old(a3))) || !(0 == \old(a17))) || !(1 == \old(a5))) || !(1 == \old(a4)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 312 locations, 1 error locations. SAFE Result, 41.8s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 28.7s AutomataDifference, 0.0s DeadEndRemovalTime, 2.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 3411 SDtfs, 6472 SDslu, 2459 SDs, 0 SdLazy, 12447 SolverSat, 2003 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.0s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 3329 GetRequests, 3231 SyntacticMatches, 13 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19391occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.4s AbstIntTime, 7 AbstIntIterations, 2 AbstIntStrong, 0.9990921120751669 AbsIntWeakeningRatio, 0.23518850987432674 AbsIntAvgWeakeningVarsNumRemoved, 59.05206463195691 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 105 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 651 PreInvPairs, 1321 NumberOfFragments, 1193 HoareAnnotationTreeSize, 651 FomulaSimplifications, 25124 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 9477 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 3840 NumberOfCodeBlocks, 3840 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 5170 ConstructedInterpolants, 0 QuantifiedInterpolants, 3551542 SizeOfPredicates, 8 NumberOfNonLiveVariables, 5434 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 20 InterpolantComputations, 11 PerfectInterpolantSequences, 1767/1886 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...