./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7f9b799d-aeba-463c-b7cc-b81cde2c52af/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7f9b799d-aeba-463c-b7cc-b81cde2c52af/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7f9b799d-aeba-463c-b7cc-b81cde2c52af/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7f9b799d-aeba-463c-b7cc-b81cde2c52af/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7f9b799d-aeba-463c-b7cc-b81cde2c52af/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7f9b799d-aeba-463c-b7cc-b81cde2c52af/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 23f7450b399d10b1ac0a8f247ff41c3f7806d83a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 11:39:10,329 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:39:10,330 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:39:10,338 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:39:10,338 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:39:10,339 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:39:10,340 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:39:10,341 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:39:10,342 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:39:10,343 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:39:10,343 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:39:10,343 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:39:10,344 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:39:10,345 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:39:10,345 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:39:10,346 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:39:10,346 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:39:10,348 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:39:10,349 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:39:10,350 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:39:10,351 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:39:10,351 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:39:10,353 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 11:39:10,353 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 11:39:10,353 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 11:39:10,354 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 11:39:10,354 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 11:39:10,355 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 11:39:10,355 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 11:39:10,356 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 11:39:10,356 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 11:39:10,357 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 11:39:10,357 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:39:10,357 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:39:10,358 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:39:10,359 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:39:10,359 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7f9b799d-aeba-463c-b7cc-b81cde2c52af/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 11:39:10,368 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:39:10,368 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:39:10,369 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:39:10,369 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:39:10,369 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 11:39:10,369 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 11:39:10,370 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 11:39:10,370 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 11:39:10,370 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 11:39:10,370 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 11:39:10,370 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 11:39:10,370 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 11:39:10,370 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 11:39:10,371 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:39:10,371 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:39:10,371 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 11:39:10,371 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:39:10,371 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:39:10,371 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:39:10,372 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:39:10,372 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:39:10,372 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:39:10,372 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:39:10,372 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:39:10,372 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:39:10,373 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:39:10,373 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:39:10,373 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:39:10,373 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:39:10,373 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:39:10,373 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:39:10,373 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:39:10,373 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:39:10,373 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 11:39:10,374 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:39:10,374 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 11:39:10,374 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 11:39:10,374 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_7f9b799d-aeba-463c-b7cc-b81cde2c52af/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 -> 23f7450b399d10b1ac0a8f247ff41c3f7806d83a [2018-11-23 11:39:10,396 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:39:10,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:39:10,406 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:39:10,407 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:39:10,408 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:39:10,408 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7f9b799d-aeba-463c-b7cc-b81cde2c52af/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c [2018-11-23 11:39:10,442 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7f9b799d-aeba-463c-b7cc-b81cde2c52af/bin-2019/utaipan/data/c3022912e/c7271b09896d48cfb611cc4f1baed9f2/FLAG2ad8afa31 [2018-11-23 11:39:10,898 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:39:10,899 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7f9b799d-aeba-463c-b7cc-b81cde2c52af/sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c [2018-11-23 11:39:10,908 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7f9b799d-aeba-463c-b7cc-b81cde2c52af/bin-2019/utaipan/data/c3022912e/c7271b09896d48cfb611cc4f1baed9f2/FLAG2ad8afa31 [2018-11-23 11:39:10,919 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7f9b799d-aeba-463c-b7cc-b81cde2c52af/bin-2019/utaipan/data/c3022912e/c7271b09896d48cfb611cc4f1baed9f2 [2018-11-23 11:39:10,921 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:39:10,922 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:39:10,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:39:10,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:39:10,925 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:39:10,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:39:10" (1/1) ... [2018-11-23 11:39:10,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5199c316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:10, skipping insertion in model container [2018-11-23 11:39:10,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:39:10" (1/1) ... [2018-11-23 11:39:10,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:39:10,971 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:39:11,208 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:39:11,211 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:39:11,282 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:39:11,293 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:39:11,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:11 WrapperNode [2018-11-23 11:39:11,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:39:11,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:39:11,294 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:39:11,294 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:39:11,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:11" (1/1) ... [2018-11-23 11:39:11,364 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:11" (1/1) ... [2018-11-23 11:39:11,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:39:11,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:39:11,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:39:11,372 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:39:11,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:11" (1/1) ... [2018-11-23 11:39:11,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:11" (1/1) ... [2018-11-23 11:39:11,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:11" (1/1) ... [2018-11-23 11:39:11,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:11" (1/1) ... [2018-11-23 11:39:11,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:11" (1/1) ... [2018-11-23 11:39:11,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:11" (1/1) ... [2018-11-23 11:39:11,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:11" (1/1) ... [2018-11-23 11:39:11,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:39:11,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:39:11,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:39:11,425 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:39:11,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f9b799d-aeba-463c-b7cc-b81cde2c52af/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 [2018-11-23 11:39:11,469 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 11:39:11,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:39:11,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:39:11,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 11:39:11,470 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 11:39:11,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:39:11,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:39:11,470 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:39:11,470 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:39:12,451 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:39:12,452 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 11:39:12,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:39:12 BoogieIcfgContainer [2018-11-23 11:39:12,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:39:12,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:39:12,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:39:12,455 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:39:12,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:39:10" (1/3) ... [2018-11-23 11:39:12,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3526da61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:39:12, skipping insertion in model container [2018-11-23 11:39:12,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:11" (2/3) ... [2018-11-23 11:39:12,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3526da61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:39:12, skipping insertion in model container [2018-11-23 11:39:12,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:39:12" (3/3) ... [2018-11-23 11:39:12,458 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label25_true-unreach-call.c [2018-11-23 11:39:12,464 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:39:12,469 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:39:12,479 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:39:12,503 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:39:12,503 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:39:12,503 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:39:12,503 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:39:12,503 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:39:12,503 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:39:12,503 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:39:12,503 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:39:12,520 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-11-23 11:39:12,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 11:39:12,527 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:39:12,527 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:39:12,529 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:39:12,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:39:12,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1015003737, now seen corresponding path program 1 times [2018-11-23 11:39:12,535 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:39:12,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:39:12,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:39:12,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:39:12,565 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:39:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:12,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:39:12,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:39:12,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 11:39:12,770 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:39:12,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 11:39:12,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 11:39:12,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:39:12,784 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2018-11-23 11:39:13,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:39:13,444 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2018-11-23 11:39:13,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 11:39:13,445 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2018-11-23 11:39:13,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:39:13,457 INFO L225 Difference]: With dead ends: 571 [2018-11-23 11:39:13,457 INFO L226 Difference]: Without dead ends: 354 [2018-11-23 11:39:13,460 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:39:13,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2018-11-23 11:39:13,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2018-11-23 11:39:13,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2018-11-23 11:39:13,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 590 transitions. [2018-11-23 11:39:13,501 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 590 transitions. Word has length 70 [2018-11-23 11:39:13,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:39:13,502 INFO L480 AbstractCegarLoop]: Abstraction has 354 states and 590 transitions. [2018-11-23 11:39:13,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 11:39:13,502 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 590 transitions. [2018-11-23 11:39:13,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-23 11:39:13,507 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:39:13,508 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:39:13,508 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:39:13,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:39:13,508 INFO L82 PathProgramCache]: Analyzing trace with hash -195666983, now seen corresponding path program 1 times [2018-11-23 11:39:13,509 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:39:13,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:39:13,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:39:13,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:39:13,511 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:39:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:13,649 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:39:13,649 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:39:13,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 11:39:13,650 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:39:13,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 11:39:13,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 11:39:13,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:39:13,652 INFO L87 Difference]: Start difference. First operand 354 states and 590 transitions. Second operand 6 states. [2018-11-23 11:39:14,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:39:14,417 INFO L93 Difference]: Finished difference Result 996 states and 1683 transitions. [2018-11-23 11:39:14,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 11:39:14,418 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-11-23 11:39:14,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:39:14,421 INFO L225 Difference]: With dead ends: 996 [2018-11-23 11:39:14,422 INFO L226 Difference]: Without dead ends: 648 [2018-11-23 11:39:14,424 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 11:39:14,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2018-11-23 11:39:14,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 637. [2018-11-23 11:39:14,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 637 states. [2018-11-23 11:39:14,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 957 transitions. [2018-11-23 11:39:14,448 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 957 transitions. Word has length 139 [2018-11-23 11:39:14,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:39:14,449 INFO L480 AbstractCegarLoop]: Abstraction has 637 states and 957 transitions. [2018-11-23 11:39:14,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 11:39:14,449 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 957 transitions. [2018-11-23 11:39:14,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 11:39:14,452 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:39:14,452 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 11:39:14,452 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:39:14,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:39:14,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1516573211, now seen corresponding path program 1 times [2018-11-23 11:39:14,453 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:39:14,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:39:14,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:39:14,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:39:14,454 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:39:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:14,562 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:39:14,562 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:39:14,562 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 11:39:14,562 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:39:14,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 11:39:14,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 11:39:14,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 11:39:14,563 INFO L87 Difference]: Start difference. First operand 637 states and 957 transitions. Second operand 4 states. [2018-11-23 11:39:15,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:39:15,211 INFO L93 Difference]: Finished difference Result 2117 states and 3325 transitions. [2018-11-23 11:39:15,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 11:39:15,212 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2018-11-23 11:39:15,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:39:15,216 INFO L225 Difference]: With dead ends: 2117 [2018-11-23 11:39:15,216 INFO L226 Difference]: Without dead ends: 899 [2018-11-23 11:39:15,221 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 11:39:15,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2018-11-23 11:39:15,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 899. [2018-11-23 11:39:15,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 899 states. [2018-11-23 11:39:15,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1272 transitions. [2018-11-23 11:39:15,243 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1272 transitions. Word has length 149 [2018-11-23 11:39:15,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:39:15,244 INFO L480 AbstractCegarLoop]: Abstraction has 899 states and 1272 transitions. [2018-11-23 11:39:15,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 11:39:15,244 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1272 transitions. [2018-11-23 11:39:15,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-23 11:39:15,247 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:39:15,247 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:39:15,247 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:39:15,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:39:15,247 INFO L82 PathProgramCache]: Analyzing trace with hash 2032612418, now seen corresponding path program 1 times [2018-11-23 11:39:15,248 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:39:15,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:39:15,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:39:15,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:39:15,249 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:39:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:15,407 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:39:15,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:39:15,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 11:39:15,408 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:39:15,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 11:39:15,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 11:39:15,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:39:15,409 INFO L87 Difference]: Start difference. First operand 899 states and 1272 transitions. Second operand 6 states. [2018-11-23 11:39:15,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:39:15,988 INFO L93 Difference]: Finished difference Result 2112 states and 3063 transitions. [2018-11-23 11:39:15,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 11:39:15,989 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 192 [2018-11-23 11:39:15,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:39:15,997 INFO L225 Difference]: With dead ends: 2112 [2018-11-23 11:39:15,997 INFO L226 Difference]: Without dead ends: 1219 [2018-11-23 11:39:16,000 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 11:39:16,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2018-11-23 11:39:16,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1201. [2018-11-23 11:39:16,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1201 states. [2018-11-23 11:39:16,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1639 transitions. [2018-11-23 11:39:16,029 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1639 transitions. Word has length 192 [2018-11-23 11:39:16,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:39:16,029 INFO L480 AbstractCegarLoop]: Abstraction has 1201 states and 1639 transitions. [2018-11-23 11:39:16,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 11:39:16,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1639 transitions. [2018-11-23 11:39:16,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-23 11:39:16,033 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:39:16,034 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:39:16,034 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:39:16,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:39:16,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1889340864, now seen corresponding path program 1 times [2018-11-23 11:39:16,034 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:39:16,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:39:16,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:39:16,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:39:16,035 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:39:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:16,167 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 126 proven. 78 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 11:39:16,167 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:39:16,167 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 11:39:16,168 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 240 with the following transitions: [2018-11-23 11:39:16,169 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [469], [471], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [546], [547], [551], [555], [559], [563], [566], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-23 11:39:16,205 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 11:39:16,205 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 11:39:16,478 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 11:39:16,480 INFO L272 AbstractInterpreter]: Visited 92 different actions 92 times. Never merged. Never widened. Performed 828 root evaluator evaluations with a maximum evaluation depth of 3. Performed 828 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-23 11:39:16,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:39:16,490 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 11:39:16,825 INFO L227 lantSequenceWeakener]: Weakened 230 states. On average, predicates are now at 73.68% of their original sizes. [2018-11-23 11:39:16,825 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 11:39:16,849 INFO L415 sIntCurrentIteration]: We unified 238 AI predicates to 238 [2018-11-23 11:39:16,850 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 11:39:16,850 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 11:39:16,851 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-11-23 11:39:16,851 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:39:16,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 11:39:16,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 11:39:16,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:39:16,852 INFO L87 Difference]: Start difference. First operand 1201 states and 1639 transitions. Second operand 6 states. [2018-11-23 11:39:20,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:39:20,868 INFO L93 Difference]: Finished difference Result 2540 states and 3462 transitions. [2018-11-23 11:39:20,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 11:39:20,868 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 239 [2018-11-23 11:39:20,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:39:20,874 INFO L225 Difference]: With dead ends: 2540 [2018-11-23 11:39:20,874 INFO L226 Difference]: Without dead ends: 1345 [2018-11-23 11:39:20,877 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 239 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 11:39:20,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2018-11-23 11:39:20,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1344. [2018-11-23 11:39:20,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1344 states. [2018-11-23 11:39:20,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 1788 transitions. [2018-11-23 11:39:20,906 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 1788 transitions. Word has length 239 [2018-11-23 11:39:20,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:39:20,906 INFO L480 AbstractCegarLoop]: Abstraction has 1344 states and 1788 transitions. [2018-11-23 11:39:20,906 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 11:39:20,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1788 transitions. [2018-11-23 11:39:20,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-11-23 11:39:20,913 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:39:20,913 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:39:20,913 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:39:20,914 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:39:20,914 INFO L82 PathProgramCache]: Analyzing trace with hash -122970787, now seen corresponding path program 1 times [2018-11-23 11:39:20,914 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:39:20,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:39:20,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:39:20,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:39:20,915 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:39:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:21,557 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 261 proven. 82 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-23 11:39:21,558 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:39:21,558 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 11:39:21,558 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 310 with the following transitions: [2018-11-23 11:39:21,558 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [469], [471], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [546], [547], [551], [555], [559], [563], [566], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-23 11:39:21,564 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 11:39:21,564 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 11:39:23,767 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 11:39:23,767 INFO L272 AbstractInterpreter]: Visited 97 different actions 382 times. Merged at 7 different actions 27 times. Never widened. Performed 3729 root evaluator evaluations with a maximum evaluation depth of 20. Performed 3729 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 11:39:23,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:39:23,775 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 11:39:23,775 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:39:23,775 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f9b799d-aeba-463c-b7cc-b81cde2c52af/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 [2018-11-23 11:39:23,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:39:23,782 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 11:39:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:23,863 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:39:24,026 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 345 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-23 11:39:24,026 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:39:24,205 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 261 proven. 82 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-23 11:39:24,221 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 11:39:24,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5] total 18 [2018-11-23 11:39:24,221 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 11:39:24,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 11:39:24,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 11:39:24,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2018-11-23 11:39:24,222 INFO L87 Difference]: Start difference. First operand 1344 states and 1788 transitions. Second operand 17 states. [2018-11-23 11:39:27,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:39:27,299 INFO L93 Difference]: Finished difference Result 3821 states and 5502 transitions. [2018-11-23 11:39:27,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-11-23 11:39:27,300 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 309 [2018-11-23 11:39:27,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:39:27,312 INFO L225 Difference]: With dead ends: 3821 [2018-11-23 11:39:27,312 INFO L226 Difference]: Without dead ends: 2626 [2018-11-23 11:39:27,320 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 686 GetRequests, 639 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=550, Invalid=1612, Unknown=0, NotChecked=0, Total=2162 [2018-11-23 11:39:27,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2626 states. [2018-11-23 11:39:27,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2626 to 2562. [2018-11-23 11:39:27,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2562 states. [2018-11-23 11:39:27,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2562 states to 2562 states and 3275 transitions. [2018-11-23 11:39:27,382 INFO L78 Accepts]: Start accepts. Automaton has 2562 states and 3275 transitions. Word has length 309 [2018-11-23 11:39:27,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:39:27,383 INFO L480 AbstractCegarLoop]: Abstraction has 2562 states and 3275 transitions. [2018-11-23 11:39:27,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 11:39:27,383 INFO L276 IsEmpty]: Start isEmpty. Operand 2562 states and 3275 transitions. [2018-11-23 11:39:27,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-11-23 11:39:27,393 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:39:27,393 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-11-23 11:39:27,393 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:39:27,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:39:27,394 INFO L82 PathProgramCache]: Analyzing trace with hash -703978038, now seen corresponding path program 1 times [2018-11-23 11:39:27,394 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:39:27,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:39:27,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:39:27,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:39:27,395 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:39:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:27,830 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 278 proven. 158 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 11:39:27,831 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:39:27,831 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 11:39:27,831 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 355 with the following transitions: [2018-11-23 11:39:27,831 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [469], [471], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [546], [547], [551], [555], [559], [563], [566], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-23 11:39:27,834 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 11:39:27,834 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 11:39:29,385 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 11:39:29,385 INFO L272 AbstractInterpreter]: Visited 125 different actions 374 times. Merged at 7 different actions 21 times. Never widened. Performed 3926 root evaluator evaluations with a maximum evaluation depth of 20. Performed 3926 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 11:39:29,386 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:39:29,387 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 11:39:29,387 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:39:29,387 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f9b799d-aeba-463c-b7cc-b81cde2c52af/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 [2018-11-23 11:39:29,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:39:29,394 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 11:39:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:29,449 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:39:43,041 WARN L180 SmtUtils]: Spent 13.44 s on a formula simplification. DAG size of input: 184 DAG size of output: 53 [2018-11-23 11:39:43,289 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 372 proven. 4 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-23 11:39:43,290 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:39:49,200 WARN L180 SmtUtils]: Spent 5.68 s on a formula simplification. DAG size of input: 187 DAG size of output: 22 [2018-11-23 11:39:49,263 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-11-23 11:39:49,317 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 26 [2018-11-23 11:39:49,491 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:49,521 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:49,561 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:49,603 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:49,638 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:49,676 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:49,712 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:49,743 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:49,773 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:49,805 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:49,833 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:49,862 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:49,899 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:49,938 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:49,982 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:50,017 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:50,045 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:50,081 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:50,113 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:50,148 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:50,183 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:50,220 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:50,259 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:50,289 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:50,317 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:50,348 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:50,391 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:50,443 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:50,497 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:50,535 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:50,577 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:50,616 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:50,652 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:50,690 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:50,728 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:50,765 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:50,797 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:50,828 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:50,863 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:50,898 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:50,927 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:50,957 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:50,987 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,016 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,044 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,088 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,117 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,145 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,175 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,205 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,233 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,262 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,292 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,324 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,354 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,384 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,425 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,500 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,544 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,604 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,643 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,678 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,706 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,734 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,773 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,802 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,830 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,858 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,887 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,915 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,944 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,972 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:51,999 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,029 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,059 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,121 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,148 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,176 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,203 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,231 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,260 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,288 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,316 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,344 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,372 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,403 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,431 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,459 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,488 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,516 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,544 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,572 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,600 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,640 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,678 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,715 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,762 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,803 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,839 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,869 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,900 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:52,942 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:53,036 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:53,110 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:53,162 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:53,214 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:53,258 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:53,292 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-23 11:39:53,716 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 197 proven. 239 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 11:39:53,730 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 11:39:53,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 25 [2018-11-23 11:39:53,731 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 11:39:53,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 11:39:53,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 11:39:53,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2018-11-23 11:39:53,732 INFO L87 Difference]: Start difference. First operand 2562 states and 3275 transitions. Second operand 18 states. [2018-11-23 11:40:03,715 WARN L180 SmtUtils]: Spent 6.60 s on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2018-11-23 11:40:05,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:40:05,190 INFO L93 Difference]: Finished difference Result 8813 states and 11904 transitions. [2018-11-23 11:40:05,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-11-23 11:40:05,191 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 354 [2018-11-23 11:40:05,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:40:05,210 INFO L225 Difference]: With dead ends: 8813 [2018-11-23 11:40:05,210 INFO L226 Difference]: Without dead ends: 6400 [2018-11-23 11:40:05,222 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 790 GetRequests, 620 SyntacticMatches, 111 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3407 ImplicationChecksByTransitivity, 31.0s TimeCoverageRelationStatistics Valid=805, Invalid=2855, Unknown=0, NotChecked=0, Total=3660 [2018-11-23 11:40:05,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6400 states. [2018-11-23 11:40:05,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6400 to 6181. [2018-11-23 11:40:05,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6181 states. [2018-11-23 11:40:05,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6181 states to 6181 states and 7767 transitions. [2018-11-23 11:40:05,344 INFO L78 Accepts]: Start accepts. Automaton has 6181 states and 7767 transitions. Word has length 354 [2018-11-23 11:40:05,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:40:05,345 INFO L480 AbstractCegarLoop]: Abstraction has 6181 states and 7767 transitions. [2018-11-23 11:40:05,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 11:40:05,345 INFO L276 IsEmpty]: Start isEmpty. Operand 6181 states and 7767 transitions. [2018-11-23 11:40:05,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2018-11-23 11:40:05,363 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:40:05,364 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-11-23 11:40:05,364 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:40:05,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:40:05,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1404940765, now seen corresponding path program 1 times [2018-11-23 11:40:05,364 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:40:05,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:40:05,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:40:05,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:40:05,365 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:40:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:05,556 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-11-23 11:40:05,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:40:05,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 11:40:05,557 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:40:05,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 11:40:05,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 11:40:05,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 11:40:05,557 INFO L87 Difference]: Start difference. First operand 6181 states and 7767 transitions. Second operand 4 states. [2018-11-23 11:40:06,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:40:06,252 INFO L93 Difference]: Finished difference Result 15839 states and 20923 transitions. [2018-11-23 11:40:06,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 11:40:06,253 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 373 [2018-11-23 11:40:06,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:40:06,281 INFO L225 Difference]: With dead ends: 15839 [2018-11-23 11:40:06,282 INFO L226 Difference]: Without dead ends: 9807 [2018-11-23 11:40:06,299 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 11:40:06,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9807 states. [2018-11-23 11:40:06,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9807 to 9802. [2018-11-23 11:40:06,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9802 states. [2018-11-23 11:40:06,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9802 states to 9802 states and 12479 transitions. [2018-11-23 11:40:06,465 INFO L78 Accepts]: Start accepts. Automaton has 9802 states and 12479 transitions. Word has length 373 [2018-11-23 11:40:06,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:40:06,466 INFO L480 AbstractCegarLoop]: Abstraction has 9802 states and 12479 transitions. [2018-11-23 11:40:06,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 11:40:06,466 INFO L276 IsEmpty]: Start isEmpty. Operand 9802 states and 12479 transitions. [2018-11-23 11:40:06,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-11-23 11:40:06,490 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:40:06,490 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 11:40:06,491 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:40:06,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:40:06,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1703123166, now seen corresponding path program 1 times [2018-11-23 11:40:06,491 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:40:06,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:40:06,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:40:06,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:40:06,492 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:40:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:06,785 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 266 proven. 87 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-23 11:40:06,785 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:40:06,785 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 11:40:06,785 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 393 with the following transitions: [2018-11-23 11:40:06,785 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [469], [471], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [558], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [706], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-23 11:40:06,789 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 11:40:06,789 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 11:40:06,951 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 11:40:06,952 INFO L272 AbstractInterpreter]: Visited 132 different actions 389 times. Merged at 7 different actions 15 times. Never widened. Performed 4155 root evaluator evaluations with a maximum evaluation depth of 18. Performed 4155 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 11:40:06,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:40:06,962 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 11:40:06,962 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:40:06,962 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f9b799d-aeba-463c-b7cc-b81cde2c52af/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 [2018-11-23 11:40:06,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:40:06,976 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 11:40:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:07,032 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:40:07,101 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 390 proven. 2 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-23 11:40:07,101 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:40:07,274 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 390 proven. 2 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-23 11:40:07,291 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 11:40:07,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2018-11-23 11:40:07,291 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 11:40:07,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 11:40:07,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 11:40:07,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2018-11-23 11:40:07,292 INFO L87 Difference]: Start difference. First operand 9802 states and 12479 transitions. Second operand 11 states. [2018-11-23 11:40:08,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:40:08,323 INFO L93 Difference]: Finished difference Result 18780 states and 24542 transitions. [2018-11-23 11:40:08,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 11:40:08,324 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 392 [2018-11-23 11:40:08,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:40:08,357 INFO L225 Difference]: With dead ends: 18780 [2018-11-23 11:40:08,357 INFO L226 Difference]: Without dead ends: 9413 [2018-11-23 11:40:08,380 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 812 GetRequests, 788 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2018-11-23 11:40:08,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9413 states. [2018-11-23 11:40:08,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9413 to 9064. [2018-11-23 11:40:08,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9064 states. [2018-11-23 11:40:08,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9064 states to 9064 states and 11460 transitions. [2018-11-23 11:40:08,554 INFO L78 Accepts]: Start accepts. Automaton has 9064 states and 11460 transitions. Word has length 392 [2018-11-23 11:40:08,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:40:08,555 INFO L480 AbstractCegarLoop]: Abstraction has 9064 states and 11460 transitions. [2018-11-23 11:40:08,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 11:40:08,555 INFO L276 IsEmpty]: Start isEmpty. Operand 9064 states and 11460 transitions. [2018-11-23 11:40:08,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2018-11-23 11:40:08,574 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:40:08,574 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:40:08,574 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:40:08,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:40:08,575 INFO L82 PathProgramCache]: Analyzing trace with hash 197567602, now seen corresponding path program 1 times [2018-11-23 11:40:08,575 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:40:08,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:40:08,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:40:08,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:40:08,576 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:40:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:09,044 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 182 proven. 216 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-23 11:40:09,044 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:40:09,044 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 11:40:09,044 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 411 with the following transitions: [2018-11-23 11:40:09,044 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [469], [471], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [542], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [706], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [766], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-23 11:40:09,047 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 11:40:09,047 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 11:40:09,241 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 11:40:09,241 INFO L272 AbstractInterpreter]: Visited 147 different actions 438 times. Merged at 7 different actions 19 times. Never widened. Performed 4829 root evaluator evaluations with a maximum evaluation depth of 9. Performed 4829 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 11:40:09,246 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:40:09,246 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 11:40:09,246 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:40:09,246 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f9b799d-aeba-463c-b7cc-b81cde2c52af/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 [2018-11-23 11:40:09,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:40:09,252 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 11:40:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:09,301 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:40:11,487 WARN L180 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2018-11-23 11:40:13,811 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 0 proven. 473 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:40:13,812 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:40:14,030 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2018-11-23 11:40:14,044 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:40:14,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [12, 12] total 19 [2018-11-23 11:40:14,044 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:40:14,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 11:40:14,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 11:40:14,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=281, Unknown=1, NotChecked=0, Total=342 [2018-11-23 11:40:14,045 INFO L87 Difference]: Start difference. First operand 9064 states and 11460 transitions. Second operand 3 states. [2018-11-23 11:40:14,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:40:14,396 INFO L93 Difference]: Finished difference Result 19180 states and 24712 transitions. [2018-11-23 11:40:14,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 11:40:14,396 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 410 [2018-11-23 11:40:14,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:40:14,397 INFO L225 Difference]: With dead ends: 19180 [2018-11-23 11:40:14,397 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 11:40:14,428 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 833 GetRequests, 812 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=60, Invalid=281, Unknown=1, NotChecked=0, Total=342 [2018-11-23 11:40:14,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 11:40:14,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 11:40:14,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 11:40:14,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 11:40:14,429 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 410 [2018-11-23 11:40:14,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:40:14,429 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:40:14,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 11:40:14,429 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:40:14,429 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:40:14,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 11:40:14,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:40:14,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:40:14,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:40:14,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:40:14,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:40:14,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:40:14,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:40:14,647 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 177 [2018-11-23 11:40:14,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:40:14,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:40:14,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:40:14,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:40:14,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:40:14,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:40:14,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:40:14,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:40:14,776 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 175 [2018-11-23 11:40:15,308 WARN L180 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 56 [2018-11-23 11:40:15,644 WARN L180 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 51 [2018-11-23 11:40:15,975 WARN L180 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 51 [2018-11-23 11:40:15,976 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:40:15,976 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-23 11:40:15,976 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:40:15,976 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-23 11:40:15,976 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,976 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,977 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,977 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,977 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,977 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,977 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-23 11:40:15,977 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-23 11:40:15,977 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 11:40:15,977 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 11:40:15,977 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 11:40:15,977 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 11:40:15,977 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 11:40:15,977 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 11:40:15,977 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-23 11:40:15,977 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-23 11:40:15,977 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-23 11:40:15,977 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,977 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,977 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,977 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,977 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,977 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-23 11:40:15,978 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-23 11:40:15,978 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-23 11:40:15,978 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-23 11:40:15,978 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 11:40:15,978 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 11:40:15,978 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 11:40:15,978 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 11:40:15,978 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 11:40:15,978 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-23 11:40:15,978 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-23 11:40:15,978 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-23 11:40:15,978 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-23 11:40:15,978 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 196) no Hoare annotation was computed. [2018-11-23 11:40:15,978 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-23 11:40:15,978 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,978 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,978 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,978 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,978 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,978 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-23 11:40:15,978 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 11:40:15,978 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 11:40:15,979 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 11:40:15,979 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 11:40:15,979 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 11:40:15,979 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-23 11:40:15,979 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-23 11:40:15,979 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-23 11:40:15,979 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-23 11:40:15,979 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,979 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,979 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,979 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,979 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,979 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-23 11:40:15,979 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-23 11:40:15,979 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-23 11:40:15,979 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 11:40:15,980 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 11:40:15,980 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 11:40:15,980 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 11:40:15,980 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 11:40:15,980 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-23 11:40:15,980 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-23 11:40:15,980 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-23 11:40:15,980 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-23 11:40:15,980 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-23 11:40:15,980 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,980 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,980 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,980 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,980 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,980 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 11:40:15,981 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 11:40:15,981 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 11:40:15,981 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 11:40:15,981 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 11:40:15,981 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-23 11:40:15,981 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-23 11:40:15,981 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-23 11:40:15,981 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-23 11:40:15,981 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,981 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,981 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,981 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,981 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,981 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,981 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,982 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-23 11:40:15,982 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-23 11:40:15,982 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-23 11:40:15,982 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-23 11:40:15,982 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 11:40:15,982 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 11:40:15,982 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 11:40:15,982 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 11:40:15,982 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 11:40:15,982 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-23 11:40:15,982 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-23 11:40:15,982 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-23 11:40:15,982 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-23 11:40:15,982 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,983 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,983 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,983 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,983 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-23 11:40:15,983 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,983 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,983 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-23 11:40:15,983 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-23 11:40:15,983 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-23 11:40:15,983 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 11:40:15,983 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 11:40:15,983 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 11:40:15,983 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 11:40:15,983 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 11:40:15,984 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-23 11:40:15,984 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-23 11:40:15,984 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-23 11:40:15,984 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-23 11:40:15,984 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-23 11:40:15,984 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,984 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,984 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,984 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,984 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,984 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,984 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-23 11:40:15,984 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-23 11:40:15,984 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-23 11:40:15,984 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 11:40:15,985 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 11:40:15,985 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 11:40:15,985 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 11:40:15,985 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 11:40:15,985 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 11:40:15,985 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-23 11:40:15,985 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-23 11:40:15,985 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse10 (= ~a1~0 |old(~a1~0)|)) (.cse9 (= ~a19~0 |old(~a19~0)|)) (.cse4 (= |old(~a10~0)| ~a10~0))) (let ((.cse7 (and .cse10 .cse9 .cse4)) (.cse0 (= 7 |old(~a19~0)|)) (.cse5 (< |old(~a10~0)| 1)) (.cse6 (= 4 |old(~a10~0)|)) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= 0 ~a12~0))) (.cse8 (< 33 |old(~a1~0)|)) (.cse3 (and .cse9 .cse4 .cse10))) (and (or .cse0 (< 38 |old(~a1~0)|) .cse1 .cse2 .cse3 (not (= |old(~a10~0)| 0))) (or (and (= 8 ~a19~0) .cse4) (not (= 8 |old(~a19~0)|))) (or .cse5 .cse6 .cse3 .cse1 .cse2 (<= |old(~a1~0)| 218)) (or .cse0 (= 10 |old(~a19~0)|) .cse1 .cse7 .cse2) (or .cse6 (< |old(~a10~0)| 2) .cse1 .cse2 .cse7) (or .cse5 .cse0 .cse6 .cse3 .cse1 .cse2) (or .cse0 .cse6 .cse3 .cse1 .cse2 .cse8) (or .cse5 .cse6 .cse1 .cse2 .cse8 .cse3)))) [2018-11-23 11:40:15,985 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-23 11:40:15,985 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-23 11:40:15,985 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-23 11:40:15,985 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,986 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,986 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,986 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,986 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,986 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,986 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-23 11:40:15,986 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 11:40:15,986 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 11:40:15,986 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 11:40:15,986 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 11:40:15,986 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 11:40:15,986 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 11:40:15,986 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-23 11:40:15,986 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-23 11:40:15,987 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-23 11:40:15,987 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-23 11:40:15,987 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-23 11:40:15,987 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-23 11:40:15,987 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,987 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,987 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,987 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,987 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,987 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,987 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-23 11:40:15,987 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-23 11:40:15,987 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-23 11:40:15,987 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 11:40:15,987 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 11:40:15,987 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 11:40:15,988 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 11:40:15,988 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 11:40:15,988 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 11:40:15,988 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-23 11:40:15,988 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-23 11:40:15,988 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-23 11:40:15,988 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,988 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,988 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,988 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,988 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,988 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:40:15,988 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-23 11:40:15,988 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-23 11:40:15,988 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-23 11:40:15,988 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 11:40:15,988 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 11:40:15,988 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 11:40:15,988 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 11:40:15,988 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 11:40:15,988 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 11:40:15,989 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-23 11:40:15,989 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-23 11:40:15,989 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-23 11:40:15,989 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:40:15,989 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14)) [2018-11-23 11:40:15,989 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:40:15,989 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:40:15,989 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0)) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) [2018-11-23 11:40:15,989 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-23 11:40:15,989 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse2 (<= ~a1~0 33)) (.cse3 (not (= 7 ~a19~0))) (.cse0 (<= 1 ~a10~0)) (.cse1 (not (= ~a10~0 4)))) (or (not (= 23 |old(~a1~0)|)) (and .cse0 (not (= ~a10~0 1)) .cse1) (not (= 0 ~a12~0)) (not (= 0 |old(~a10~0)|)) (and .cse0 .cse2 .cse1) (and (< 218 ~a1~0) (= 1 ~a10~0)) (and (<= ~a1~0 38) .cse3 (= ~a10~0 |old(~a10~0)|)) (and .cse3 .cse2 .cse1) (not (= 9 |old(~a19~0)|)) (and .cse3 (not (= ~a19~0 10))) (not (= 14 ~a4~0)) (and .cse3 .cse0 .cse1))) [2018-11-23 11:40:15,989 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-23 11:40:15,989 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-23 11:40:15,989 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse2 (<= ~a1~0 33)) (.cse3 (not (= 7 ~a19~0))) (.cse0 (<= 1 ~a10~0)) (.cse1 (not (= ~a10~0 4)))) (or (not (= 23 |old(~a1~0)|)) (and .cse0 (not (= ~a10~0 1)) .cse1) (not (= 0 ~a12~0)) (not (= 0 |old(~a10~0)|)) (and .cse0 .cse2 .cse1) (and (< 218 ~a1~0) (= 1 ~a10~0)) (and (<= ~a1~0 38) .cse3 (= ~a10~0 |old(~a10~0)|)) (and .cse3 .cse2 .cse1) (not (= 9 |old(~a19~0)|)) (and .cse3 (not (= ~a19~0 10))) (not (= 14 ~a4~0)) (and .cse3 .cse0 .cse1))) [2018-11-23 11:40:15,989 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-11-23 11:40:15,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:40:15 BoogieIcfgContainer [2018-11-23 11:40:15,999 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 11:40:15,999 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:40:15,999 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:40:15,999 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:40:16,000 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:39:12" (3/4) ... [2018-11-23 11:40:16,003 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 11:40:16,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 11:40:16,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 11:40:16,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 11:40:16,017 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 11:40:16,018 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 11:40:16,037 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(23 == \old(a1)) || ((1 <= a10 && !(a10 == 1)) && !(a10 == 4))) || !(0 == a12)) || !(0 == \old(a10))) || ((1 <= a10 && a1 <= 33) && !(a10 == 4))) || (218 < a1 && 1 == a10)) || ((a1 <= 38 && !(7 == a19)) && a10 == \old(a10))) || ((!(7 == a19) && a1 <= 33) && !(a10 == 4))) || !(9 == \old(a19))) || (!(7 == a19) && !(a19 == 10))) || !(14 == a4)) || ((!(7 == a19) && 1 <= a10) && !(a10 == 4)) [2018-11-23 11:40:16,102 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7f9b799d-aeba-463c-b7cc-b81cde2c52af/bin-2019/utaipan/witness.graphml [2018-11-23 11:40:16,103 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:40:16,103 INFO L168 Benchmark]: Toolchain (without parser) took 65181.50 ms. Allocated memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: 1.8 GB). Free memory was 950.0 MB in the beginning and 1.9 GB in the end (delta: -917.3 MB). Peak memory consumption was 888.9 MB. Max. memory is 11.5 GB. [2018-11-23 11:40:16,104 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:40:16,104 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.98 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 915.0 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-11-23 11:40:16,104 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 912.3 MB in the beginning and 1.1 GB in the end (delta: -192.8 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-23 11:40:16,104 INFO L168 Benchmark]: Boogie Preprocessor took 53.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-23 11:40:16,105 INFO L168 Benchmark]: RCFGBuilder took 1027.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.3 MB in the end (delta: 101.8 MB). Peak memory consumption was 101.8 MB. Max. memory is 11.5 GB. [2018-11-23 11:40:16,105 INFO L168 Benchmark]: TraceAbstraction took 63546.12 ms. Allocated memory was 1.1 GB in the beginning and 2.8 GB in the end (delta: 1.7 GB). Free memory was 996.3 MB in the beginning and 1.9 GB in the end (delta: -871.0 MB). Peak memory consumption was 822.5 MB. Max. memory is 11.5 GB. [2018-11-23 11:40:16,105 INFO L168 Benchmark]: Witness Printer took 103.51 ms. Allocated memory is still 2.8 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-23 11:40:16,110 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 370.98 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 915.0 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 912.3 MB in the beginning and 1.1 GB in the end (delta: -192.8 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1027.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.3 MB in the end (delta: 101.8 MB). Peak memory consumption was 101.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 63546.12 ms. Allocated memory was 1.1 GB in the beginning and 2.8 GB in the end (delta: 1.7 GB). Free memory was 996.3 MB in the beginning and 1.9 GB in the end (delta: -871.0 MB). Peak memory consumption was 822.5 MB. Max. memory is 11.5 GB. * Witness Printer took 103.51 ms. Allocated memory is still 2.8 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 196]: 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: 582]: Loop Invariant Derived loop invariant: ((((((((((!(23 == \old(a1)) || ((1 <= a10 && !(a10 == 1)) && !(a10 == 4))) || !(0 == a12)) || !(0 == \old(a10))) || ((1 <= a10 && a1 <= 33) && !(a10 == 4))) || (218 < a1 && 1 == a10)) || ((a1 <= 38 && !(7 == a19)) && a10 == \old(a10))) || ((!(7 == a19) && a1 <= 33) && !(a10 == 4))) || !(9 == \old(a19))) || (!(7 == a19) && !(a19 == 10))) || !(14 == a4)) || ((!(7 == a19) && 1 <= a10) && !(a10 == 4)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 63.4s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 23.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1130 SDtfs, 9954 SDslu, 1158 SDs, 0 SdLazy, 15323 SolverSat, 3221 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.4s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 3395 GetRequests, 3105 SyntacticMatches, 126 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4032 ImplicationChecksByTransitivity, 37.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9802occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.4s AbstIntTime, 5 AbstIntIterations, 1 AbstIntStrong, 0.9976345083487943 AbsIntWeakeningRatio, 0.1092436974789916 AbsIntAvgWeakeningVarsNumRemoved, 15.554621848739496 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 667 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 218 PreInvPairs, 344 NumberOfFragments, 460 HoareAnnotationTreeSize, 218 FomulaSimplifications, 10874 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 12458 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 31.2s InterpolantComputationTime, 4092 NumberOfCodeBlocks, 4092 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 5539 ConstructedInterpolants, 196 QuantifiedInterpolants, 13479625 SizeOfPredicates, 15 NumberOfNonLiveVariables, 2315 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 18 InterpolantComputations, 6 PerfectInterpolantSequences, 4806/6231 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...