./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label24_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8bf99f03-fda5-49a7-8dd2-098bfc838265/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8bf99f03-fda5-49a7-8dd2-098bfc838265/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8bf99f03-fda5-49a7-8dd2-098bfc838265/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8bf99f03-fda5-49a7-8dd2-098bfc838265/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label24_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8bf99f03-fda5-49a7-8dd2-098bfc838265/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8bf99f03-fda5-49a7-8dd2-098bfc838265/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 9e33d836f8934c877c20909309a7ec4eabef1480 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:48:17,454 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:48:17,455 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:48:17,461 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:48:17,461 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:48:17,462 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:48:17,463 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:48:17,464 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:48:17,465 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:48:17,465 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:48:17,466 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:48:17,466 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:48:17,467 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:48:17,468 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:48:17,469 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:48:17,470 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:48:17,470 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:48:17,472 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:48:17,473 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:48:17,474 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:48:17,475 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:48:17,476 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:48:17,478 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:48:17,478 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:48:17,478 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:48:17,479 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:48:17,480 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:48:17,480 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:48:17,481 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:48:17,482 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:48:17,482 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:48:17,483 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:48:17,483 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:48:17,483 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:48:17,484 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:48:17,484 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:48:17,484 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8bf99f03-fda5-49a7-8dd2-098bfc838265/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 12:48:17,495 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:48:17,495 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:48:17,495 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:48:17,496 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:48:17,496 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:48:17,496 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:48:17,496 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:48:17,496 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:48:17,496 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:48:17,497 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:48:17,497 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:48:17,497 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:48:17,497 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:48:17,498 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:48:17,498 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:48:17,498 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:48:17,498 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:48:17,498 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:48:17,498 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:48:17,498 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:48:17,499 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:48:17,501 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:48:17,501 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:48:17,501 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:48:17,501 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:48:17,501 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:48:17,501 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:48:17,501 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:48:17,502 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:48:17,502 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:48:17,502 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:48:17,502 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:48:17,502 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:48:17,502 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:48:17,502 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:48:17,502 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:48:17,503 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:48:17,503 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_8bf99f03-fda5-49a7-8dd2-098bfc838265/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 -> 9e33d836f8934c877c20909309a7ec4eabef1480 [2018-11-18 12:48:17,526 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:48:17,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:48:17,538 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:48:17,539 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:48:17,540 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:48:17,540 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8bf99f03-fda5-49a7-8dd2-098bfc838265/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label24_true-unreach-call.c [2018-11-18 12:48:17,584 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8bf99f03-fda5-49a7-8dd2-098bfc838265/bin-2019/utaipan/data/2c01c01de/737226055cf94039a381b4b72e9aa757/FLAGfda34d9bc [2018-11-18 12:48:18,076 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:48:18,077 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8bf99f03-fda5-49a7-8dd2-098bfc838265/sv-benchmarks/c/eca-rers2012/Problem16_label24_true-unreach-call.c [2018-11-18 12:48:18,089 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8bf99f03-fda5-49a7-8dd2-098bfc838265/bin-2019/utaipan/data/2c01c01de/737226055cf94039a381b4b72e9aa757/FLAGfda34d9bc [2018-11-18 12:48:18,561 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8bf99f03-fda5-49a7-8dd2-098bfc838265/bin-2019/utaipan/data/2c01c01de/737226055cf94039a381b4b72e9aa757 [2018-11-18 12:48:18,564 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:48:18,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:48:18,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:48:18,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:48:18,569 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:48:18,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:48:18" (1/1) ... [2018-11-18 12:48:18,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f427c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:48:18, skipping insertion in model container [2018-11-18 12:48:18,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:48:18" (1/1) ... [2018-11-18 12:48:18,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:48:18,639 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:48:19,067 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:48:19,070 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:48:19,251 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:48:19,265 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:48:19,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:48:19 WrapperNode [2018-11-18 12:48:19,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:48:19,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:48:19,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:48:19,266 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:48:19,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:48:19" (1/1) ... [2018-11-18 12:48:19,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:48:19" (1/1) ... [2018-11-18 12:48:19,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:48:19,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:48:19,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:48:19,370 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:48:19,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:48:19" (1/1) ... [2018-11-18 12:48:19,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:48:19" (1/1) ... [2018-11-18 12:48:19,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:48:19" (1/1) ... [2018-11-18 12:48:19,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:48:19" (1/1) ... [2018-11-18 12:48:19,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:48:19" (1/1) ... [2018-11-18 12:48:19,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:48:19" (1/1) ... [2018-11-18 12:48:19,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:48:19" (1/1) ... [2018-11-18 12:48:19,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:48:19,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:48:19,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:48:19,444 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:48:19,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:48:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8bf99f03-fda5-49a7-8dd2-098bfc838265/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:48:19,477 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 12:48:19,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:48:19,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:48:19,478 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-18 12:48:19,478 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-18 12:48:19,478 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 12:48:19,478 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 12:48:19,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:48:19,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:48:19,478 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:48:19,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:48:20,843 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:48:20,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:48:20 BoogieIcfgContainer [2018-11-18 12:48:20,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:48:20,844 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:48:20,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:48:20,846 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:48:20,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:48:18" (1/3) ... [2018-11-18 12:48:20,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71160368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:48:20, skipping insertion in model container [2018-11-18 12:48:20,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:48:19" (2/3) ... [2018-11-18 12:48:20,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71160368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:48:20, skipping insertion in model container [2018-11-18 12:48:20,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:48:20" (3/3) ... [2018-11-18 12:48:20,848 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label24_true-unreach-call.c [2018-11-18 12:48:20,854 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:48:20,859 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:48:20,868 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:48:20,890 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:48:20,890 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:48:20,890 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:48:20,890 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:48:20,890 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:48:20,891 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:48:20,891 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:48:20,891 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:48:20,909 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-11-18 12:48:20,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 12:48:20,914 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:48:20,915 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:48:20,916 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:48:20,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:48:20,920 INFO L82 PathProgramCache]: Analyzing trace with hash -2128863117, now seen corresponding path program 1 times [2018-11-18 12:48:20,921 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:48:20,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:48:20,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:48:20,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:48:20,952 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:48:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:21,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:48:21,126 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:48:21,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:48:21,127 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:48:21,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:48:21,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:48:21,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:48:21,140 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-11-18 12:48:22,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:48:22,441 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-11-18 12:48:22,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:48:22,442 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2018-11-18 12:48:22,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:48:22,456 INFO L225 Difference]: With dead ends: 1156 [2018-11-18 12:48:22,456 INFO L226 Difference]: Without dead ends: 744 [2018-11-18 12:48:22,462 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:48:22,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-11-18 12:48:22,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-11-18 12:48:22,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-11-18 12:48:22,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1329 transitions. [2018-11-18 12:48:22,518 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1329 transitions. Word has length 59 [2018-11-18 12:48:22,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:48:22,518 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 1329 transitions. [2018-11-18 12:48:22,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:48:22,518 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1329 transitions. [2018-11-18 12:48:22,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-18 12:48:22,524 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:48:22,524 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:48:22,524 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:48:22,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:48:22,524 INFO L82 PathProgramCache]: Analyzing trace with hash -2051770448, now seen corresponding path program 1 times [2018-11-18 12:48:22,525 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:48:22,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:48:22,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:48:22,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:48:22,526 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:48:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:22,721 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:48:22,721 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:48:22,721 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:48:22,721 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:48:22,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:48:22,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:48:22,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:48:22,723 INFO L87 Difference]: Start difference. First operand 744 states and 1329 transitions. Second operand 6 states. [2018-11-18 12:48:24,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:48:24,818 INFO L93 Difference]: Finished difference Result 2183 states and 3908 transitions. [2018-11-18 12:48:24,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:48:24,819 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 167 [2018-11-18 12:48:24,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:48:24,828 INFO L225 Difference]: With dead ends: 2183 [2018-11-18 12:48:24,829 INFO L226 Difference]: Without dead ends: 1445 [2018-11-18 12:48:24,833 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:48:24,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2018-11-18 12:48:24,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1424. [2018-11-18 12:48:24,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1424 states. [2018-11-18 12:48:24,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1424 states and 2239 transitions. [2018-11-18 12:48:24,877 INFO L78 Accepts]: Start accepts. Automaton has 1424 states and 2239 transitions. Word has length 167 [2018-11-18 12:48:24,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:48:24,878 INFO L480 AbstractCegarLoop]: Abstraction has 1424 states and 2239 transitions. [2018-11-18 12:48:24,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:48:24,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 2239 transitions. [2018-11-18 12:48:24,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 12:48:24,881 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:48:24,881 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:48:24,881 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:48:24,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:48:24,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1876159715, now seen corresponding path program 1 times [2018-11-18 12:48:24,881 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:48:24,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:48:24,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:48:24,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:48:24,883 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:48:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:25,052 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:48:25,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:48:25,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:48:25,053 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:48:25,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:48:25,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:48:25,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:48:25,054 INFO L87 Difference]: Start difference. First operand 1424 states and 2239 transitions. Second operand 6 states. [2018-11-18 12:48:26,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:48:26,306 INFO L93 Difference]: Finished difference Result 3902 states and 6351 transitions. [2018-11-18 12:48:26,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:48:26,307 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 170 [2018-11-18 12:48:26,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:48:26,315 INFO L225 Difference]: With dead ends: 3902 [2018-11-18 12:48:26,315 INFO L226 Difference]: Without dead ends: 2484 [2018-11-18 12:48:26,318 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:48:26,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2018-11-18 12:48:26,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2474. [2018-11-18 12:48:26,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2474 states. [2018-11-18 12:48:26,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 2474 states and 3744 transitions. [2018-11-18 12:48:26,353 INFO L78 Accepts]: Start accepts. Automaton has 2474 states and 3744 transitions. Word has length 170 [2018-11-18 12:48:26,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:48:26,354 INFO L480 AbstractCegarLoop]: Abstraction has 2474 states and 3744 transitions. [2018-11-18 12:48:26,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:48:26,354 INFO L276 IsEmpty]: Start isEmpty. Operand 2474 states and 3744 transitions. [2018-11-18 12:48:26,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-18 12:48:26,358 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:48:26,358 INFO L375 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 12:48:26,358 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:48:26,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:48:26,358 INFO L82 PathProgramCache]: Analyzing trace with hash -170942544, now seen corresponding path program 1 times [2018-11-18 12:48:26,358 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:48:26,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:48:26,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:48:26,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:48:26,359 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:48:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:26,521 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 104 proven. 106 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 12:48:26,521 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:48:26,521 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:48:26,522 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 287 with the following transitions: [2018-11-18 12:48:26,524 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [551], [553], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:48:26,554 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:48:26,554 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:48:26,831 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:48:26,832 INFO L272 AbstractInterpreter]: Visited 121 different actions 121 times. Never merged. Never widened. Performed 1095 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1095 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-18 12:48:26,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:48:26,839 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:48:27,212 INFO L227 lantSequenceWeakener]: Weakened 277 states. On average, predicates are now at 77.97% of their original sizes. [2018-11-18 12:48:27,213 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:48:27,276 INFO L415 sIntCurrentIteration]: We unified 285 AI predicates to 285 [2018-11-18 12:48:27,277 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:48:27,277 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:48:27,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 12:48:27,278 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:48:27,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:48:27,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:48:27,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:48:27,279 INFO L87 Difference]: Start difference. First operand 2474 states and 3744 transitions. Second operand 6 states. [2018-11-18 12:48:48,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:48:48,310 INFO L93 Difference]: Finished difference Result 5282 states and 7967 transitions. [2018-11-18 12:48:48,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:48:48,310 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 286 [2018-11-18 12:48:48,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:48:48,317 INFO L225 Difference]: With dead ends: 5282 [2018-11-18 12:48:48,317 INFO L226 Difference]: Without dead ends: 2814 [2018-11-18 12:48:48,321 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 286 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:48:48,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2814 states. [2018-11-18 12:48:48,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2814 to 2812. [2018-11-18 12:48:48,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2812 states. [2018-11-18 12:48:48,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 2812 states and 4089 transitions. [2018-11-18 12:48:48,357 INFO L78 Accepts]: Start accepts. Automaton has 2812 states and 4089 transitions. Word has length 286 [2018-11-18 12:48:48,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:48:48,358 INFO L480 AbstractCegarLoop]: Abstraction has 2812 states and 4089 transitions. [2018-11-18 12:48:48,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:48:48,358 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 4089 transitions. [2018-11-18 12:48:48,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-11-18 12:48:48,362 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:48:48,362 INFO L375 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, 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, 1] [2018-11-18 12:48:48,363 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:48:48,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:48:48,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1637733261, now seen corresponding path program 1 times [2018-11-18 12:48:48,363 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:48:48,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:48:48,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:48:48,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:48:48,364 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:48:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:48,498 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 251 proven. 110 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-11-18 12:48:48,498 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:48:48,498 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:48:48,499 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 379 with the following transitions: [2018-11-18 12:48:48,499 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [551], [553], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:48:48,503 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:48:48,503 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:48:48,732 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:48:48,732 INFO L272 AbstractInterpreter]: Visited 125 different actions 362 times. Merged at 5 different actions 9 times. Never widened. Performed 3526 root evaluator evaluations with a maximum evaluation depth of 7. Performed 3526 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 12:48:48,739 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:48:48,739 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:48:49,076 INFO L227 lantSequenceWeakener]: Weakened 375 states. On average, predicates are now at 80.54% of their original sizes. [2018-11-18 12:48:49,076 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:48:49,136 INFO L415 sIntCurrentIteration]: We unified 377 AI predicates to 377 [2018-11-18 12:48:49,136 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:48:49,136 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:48:49,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 12:48:49,137 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:48:49,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:48:49,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:48:49,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:48:49,138 INFO L87 Difference]: Start difference. First operand 2812 states and 4089 transitions. Second operand 10 states. [2018-11-18 12:50:16,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:50:16,855 INFO L93 Difference]: Finished difference Result 8059 states and 11703 transitions. [2018-11-18 12:50:16,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 12:50:16,855 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 378 [2018-11-18 12:50:16,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:50:16,871 INFO L225 Difference]: With dead ends: 8059 [2018-11-18 12:50:16,871 INFO L226 Difference]: Without dead ends: 5591 [2018-11-18 12:50:16,880 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 387 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 12:50:16,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5591 states. [2018-11-18 12:50:16,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5591 to 5567. [2018-11-18 12:50:16,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5567 states. [2018-11-18 12:50:16,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5567 states to 5567 states and 7100 transitions. [2018-11-18 12:50:16,977 INFO L78 Accepts]: Start accepts. Automaton has 5567 states and 7100 transitions. Word has length 378 [2018-11-18 12:50:16,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:50:16,978 INFO L480 AbstractCegarLoop]: Abstraction has 5567 states and 7100 transitions. [2018-11-18 12:50:16,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:50:16,978 INFO L276 IsEmpty]: Start isEmpty. Operand 5567 states and 7100 transitions. [2018-11-18 12:50:16,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2018-11-18 12:50:16,990 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:50:16,991 INFO L375 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:50:16,991 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:50:16,992 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:50:16,992 INFO L82 PathProgramCache]: Analyzing trace with hash -114594037, now seen corresponding path program 1 times [2018-11-18 12:50:16,992 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:50:16,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:50:16,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:50:16,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:50:16,993 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:50:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:17,619 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 266 proven. 123 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 12:50:17,619 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:50:17,620 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:50:17,620 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 527 with the following transitions: [2018-11-18 12:50:17,620 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [551], [553], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:50:17,624 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:50:17,624 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:50:17,790 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:50:17,791 INFO L272 AbstractInterpreter]: Visited 249 different actions 492 times. Merged at 5 different actions 5 times. Never widened. Performed 5197 root evaluator evaluations with a maximum evaluation depth of 10. Performed 5197 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 12:50:17,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:50:17,794 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:50:18,140 INFO L227 lantSequenceWeakener]: Weakened 523 states. On average, predicates are now at 77.69% of their original sizes. [2018-11-18 12:50:18,141 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:50:18,177 INFO L415 sIntCurrentIteration]: We unified 525 AI predicates to 525 [2018-11-18 12:50:18,177 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:50:18,178 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:50:18,178 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2018-11-18 12:50:18,178 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:50:18,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:50:18,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:50:18,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:50:18,179 INFO L87 Difference]: Start difference. First operand 5567 states and 7100 transitions. Second operand 10 states. [2018-11-18 12:51:50,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:51:50,112 INFO L93 Difference]: Finished difference Result 11133 states and 14342 transitions. [2018-11-18 12:51:50,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 12:51:50,112 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 526 [2018-11-18 12:51:50,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:51:50,121 INFO L225 Difference]: With dead ends: 11133 [2018-11-18 12:51:50,121 INFO L226 Difference]: Without dead ends: 5910 [2018-11-18 12:51:50,128 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 533 GetRequests, 517 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-18 12:51:50,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5910 states. [2018-11-18 12:51:50,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5910 to 5907. [2018-11-18 12:51:50,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5907 states. [2018-11-18 12:51:50,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5907 states to 5907 states and 7456 transitions. [2018-11-18 12:51:50,222 INFO L78 Accepts]: Start accepts. Automaton has 5907 states and 7456 transitions. Word has length 526 [2018-11-18 12:51:50,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:51:50,223 INFO L480 AbstractCegarLoop]: Abstraction has 5907 states and 7456 transitions. [2018-11-18 12:51:50,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:51:50,223 INFO L276 IsEmpty]: Start isEmpty. Operand 5907 states and 7456 transitions. [2018-11-18 12:51:50,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2018-11-18 12:51:50,239 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:51:50,239 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:51:50,239 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:51:50,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:51:50,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1428128206, now seen corresponding path program 1 times [2018-11-18 12:51:50,240 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:51:50,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:51:50,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:51:50,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:51:50,241 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:51:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:51:51,091 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 308 proven. 223 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2018-11-18 12:51:51,091 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:51:51,091 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:51:51,092 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 619 with the following transitions: [2018-11-18 12:51:51,092 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [551], [553], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:51:51,097 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:51:51,097 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:51:51,542 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:51:51,542 INFO L272 AbstractInterpreter]: Visited 251 different actions 1252 times. Merged at 9 different actions 44 times. Widened at 1 different actions 1 times. Performed 15094 root evaluator evaluations with a maximum evaluation depth of 17. Performed 15094 inverse root evaluator evaluations with a maximum inverse evaluation depth of 17. Found 9 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 12:51:51,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:51:51,550 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:51:51,550 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:51:51,550 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8bf99f03-fda5-49a7-8dd2-098bfc838265/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:51:51,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:51:51,557 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:51:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:51:51,661 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:51:51,858 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 603 proven. 2 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2018-11-18 12:51:51,858 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:51:52,138 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 308 proven. 223 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2018-11-18 12:51:52,155 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:51:52,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 19 [2018-11-18 12:51:52,155 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:51:52,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 12:51:52,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 12:51:52,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 12:51:52,156 INFO L87 Difference]: Start difference. First operand 5907 states and 7456 transitions. Second operand 16 states. [2018-11-18 12:51:58,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:51:58,498 INFO L93 Difference]: Finished difference Result 14313 states and 18258 transitions. [2018-11-18 12:51:58,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-11-18 12:51:58,499 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 618 [2018-11-18 12:51:58,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:51:58,513 INFO L225 Difference]: With dead ends: 14313 [2018-11-18 12:51:58,513 INFO L226 Difference]: Without dead ends: 6157 [2018-11-18 12:51:58,540 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1339 GetRequests, 1273 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1409 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=955, Invalid=3601, Unknown=0, NotChecked=0, Total=4556 [2018-11-18 12:51:58,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6157 states. [2018-11-18 12:51:58,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6157 to 5955. [2018-11-18 12:51:58,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5955 states. [2018-11-18 12:51:58,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5955 states to 5955 states and 6539 transitions. [2018-11-18 12:51:58,603 INFO L78 Accepts]: Start accepts. Automaton has 5955 states and 6539 transitions. Word has length 618 [2018-11-18 12:51:58,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:51:58,603 INFO L480 AbstractCegarLoop]: Abstraction has 5955 states and 6539 transitions. [2018-11-18 12:51:58,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 12:51:58,603 INFO L276 IsEmpty]: Start isEmpty. Operand 5955 states and 6539 transitions. [2018-11-18 12:51:58,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2018-11-18 12:51:58,607 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:51:58,607 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:51:58,608 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:51:58,608 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:51:58,608 INFO L82 PathProgramCache]: Analyzing trace with hash 551284815, now seen corresponding path program 1 times [2018-11-18 12:51:58,608 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:51:58,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:51:58,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:51:58,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:51:58,609 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:51:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:51:58,908 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 220 proven. 389 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2018-11-18 12:51:58,908 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:51:58,908 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:51:58,908 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 636 with the following transitions: [2018-11-18 12:51:58,909 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [551], [553], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:51:58,912 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:51:58,912 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:51:59,149 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:51:59,149 INFO L272 AbstractInterpreter]: Visited 258 different actions 766 times. Merged at 7 different actions 14 times. Never widened. Performed 8949 root evaluator evaluations with a maximum evaluation depth of 10. Performed 8949 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 12:51:59,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:51:59,151 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:51:59,440 INFO L227 lantSequenceWeakener]: Weakened 632 states. On average, predicates are now at 80.37% of their original sizes. [2018-11-18 12:51:59,440 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:51:59,477 INFO L415 sIntCurrentIteration]: We unified 634 AI predicates to 634 [2018-11-18 12:51:59,478 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:51:59,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:51:59,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-18 12:51:59,478 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:51:59,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:51:59,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:51:59,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:51:59,479 INFO L87 Difference]: Start difference. First operand 5955 states and 6539 transitions. Second operand 9 states. [2018-11-18 12:53:21,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:53:21,148 INFO L93 Difference]: Finished difference Result 12435 states and 13729 transitions. [2018-11-18 12:53:21,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 12:53:21,148 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 635 [2018-11-18 12:53:21,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:53:21,161 INFO L225 Difference]: With dead ends: 12435 [2018-11-18 12:53:21,161 INFO L226 Difference]: Without dead ends: 7164 [2018-11-18 12:53:21,167 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 641 GetRequests, 627 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-18 12:53:21,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7164 states. [2018-11-18 12:53:21,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7164 to 7142. [2018-11-18 12:53:21,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7142 states. [2018-11-18 12:53:21,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7142 states to 7142 states and 7750 transitions. [2018-11-18 12:53:21,264 INFO L78 Accepts]: Start accepts. Automaton has 7142 states and 7750 transitions. Word has length 635 [2018-11-18 12:53:21,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:53:21,265 INFO L480 AbstractCegarLoop]: Abstraction has 7142 states and 7750 transitions. [2018-11-18 12:53:21,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:53:21,265 INFO L276 IsEmpty]: Start isEmpty. Operand 7142 states and 7750 transitions. [2018-11-18 12:53:21,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2018-11-18 12:53:21,274 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:53:21,274 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:53:21,274 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:53:21,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:21,275 INFO L82 PathProgramCache]: Analyzing trace with hash 671590438, now seen corresponding path program 1 times [2018-11-18 12:53:21,275 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:53:21,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:21,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:21,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:21,276 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:53:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:22,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1359 backedges. 514 proven. 511 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2018-11-18 12:53:22,101 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:53:22,101 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:53:22,102 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 766 with the following transitions: [2018-11-18 12:53:22,102 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [551], [553], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:53:22,105 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:53:22,105 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:53:22,673 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:53:22,673 INFO L272 AbstractInterpreter]: Visited 260 different actions 1293 times. Merged at 10 different actions 40 times. Never widened. Performed 15720 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15720 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 12:53:22,679 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:22,679 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:53:22,679 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:53:22,679 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8bf99f03-fda5-49a7-8dd2-098bfc838265/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:53:22,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:22,685 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:53:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:22,782 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:53:22,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1359 backedges. 978 proven. 2 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2018-11-18 12:53:22,964 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:53:23,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1359 backedges. 612 proven. 110 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2018-11-18 12:53:23,230 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:53:23,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-18 12:53:23,230 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:53:23,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 12:53:23,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 12:53:23,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-11-18 12:53:23,231 INFO L87 Difference]: Start difference. First operand 7142 states and 7750 transitions. Second operand 15 states. [2018-11-18 12:53:27,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:53:27,690 INFO L93 Difference]: Finished difference Result 19625 states and 21757 transitions. [2018-11-18 12:53:27,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-11-18 12:53:27,690 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 765 [2018-11-18 12:53:27,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:53:27,710 INFO L225 Difference]: With dead ends: 19625 [2018-11-18 12:53:27,710 INFO L226 Difference]: Without dead ends: 13167 [2018-11-18 12:53:27,721 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1621 GetRequests, 1562 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1000 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=680, Invalid=2742, Unknown=0, NotChecked=0, Total=3422 [2018-11-18 12:53:27,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13167 states. [2018-11-18 12:53:27,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13167 to 11191. [2018-11-18 12:53:27,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11191 states. [2018-11-18 12:53:27,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11191 states to 11191 states and 12190 transitions. [2018-11-18 12:53:27,825 INFO L78 Accepts]: Start accepts. Automaton has 11191 states and 12190 transitions. Word has length 765 [2018-11-18 12:53:27,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:53:27,826 INFO L480 AbstractCegarLoop]: Abstraction has 11191 states and 12190 transitions. [2018-11-18 12:53:27,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 12:53:27,826 INFO L276 IsEmpty]: Start isEmpty. Operand 11191 states and 12190 transitions. [2018-11-18 12:53:27,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1094 [2018-11-18 12:53:27,835 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:53:27,836 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 12:53:27,836 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:53:27,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:27,837 INFO L82 PathProgramCache]: Analyzing trace with hash -2124450940, now seen corresponding path program 1 times [2018-11-18 12:53:27,837 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:53:27,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:27,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:27,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:27,837 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:53:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:28,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2703 backedges. 829 proven. 223 refuted. 0 times theorem prover too weak. 1651 trivial. 0 not checked. [2018-11-18 12:53:28,432 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:53:28,432 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:53:28,432 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1094 with the following transitions: [2018-11-18 12:53:28,432 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [551], [553], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:53:28,435 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:53:28,435 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:53:28,888 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:53:28,888 INFO L272 AbstractInterpreter]: Visited 254 different actions 1025 times. Merged at 12 different actions 44 times. Widened at 1 different actions 1 times. Performed 11947 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11947 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 13 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 12:53:28,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:28,891 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:53:28,891 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:53:28,891 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8bf99f03-fda5-49a7-8dd2-098bfc838265/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:53:28,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:28,898 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:53:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:29,033 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:53:29,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2703 backedges. 1799 proven. 2 refuted. 0 times theorem prover too weak. 902 trivial. 0 not checked. [2018-11-18 12:53:29,404 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:53:29,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2703 backedges. 829 proven. 223 refuted. 0 times theorem prover too weak. 1651 trivial. 0 not checked. [2018-11-18 12:53:29,896 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:53:29,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 12:53:29,897 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:53:29,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:53:29,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:53:29,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:53:29,898 INFO L87 Difference]: Start difference. First operand 11191 states and 12190 transitions. Second operand 9 states. [2018-11-18 12:53:31,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:53:31,658 INFO L93 Difference]: Finished difference Result 23359 states and 25752 transitions. [2018-11-18 12:53:31,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 12:53:31,658 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1093 [2018-11-18 12:53:31,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:53:31,684 INFO L225 Difference]: With dead ends: 23359 [2018-11-18 12:53:31,685 INFO L226 Difference]: Without dead ends: 12897 [2018-11-18 12:53:31,701 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2203 GetRequests, 2187 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-18 12:53:31,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12897 states. [2018-11-18 12:53:31,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12897 to 12821. [2018-11-18 12:53:31,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12821 states. [2018-11-18 12:53:31,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12821 states to 12821 states and 13809 transitions. [2018-11-18 12:53:31,857 INFO L78 Accepts]: Start accepts. Automaton has 12821 states and 13809 transitions. Word has length 1093 [2018-11-18 12:53:31,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:53:31,858 INFO L480 AbstractCegarLoop]: Abstraction has 12821 states and 13809 transitions. [2018-11-18 12:53:31,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:53:31,858 INFO L276 IsEmpty]: Start isEmpty. Operand 12821 states and 13809 transitions. [2018-11-18 12:53:31,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1095 [2018-11-18 12:53:31,876 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:53:31,876 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 12:53:31,876 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:53:31,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:31,877 INFO L82 PathProgramCache]: Analyzing trace with hash -4802937, now seen corresponding path program 1 times [2018-11-18 12:53:31,877 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:53:31,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:31,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:31,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:31,878 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:53:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:32,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2709 backedges. 1002 proven. 110 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2018-11-18 12:53:32,524 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:53:32,524 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:53:32,524 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1095 with the following transitions: [2018-11-18 12:53:32,524 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [551], [553], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:53:32,527 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:53:32,527 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:53:33,020 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:53:33,020 INFO L272 AbstractInterpreter]: Visited 254 different actions 1023 times. Merged at 12 different actions 42 times. Widened at 1 different actions 1 times. Performed 11939 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11939 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 13 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-18 12:53:33,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:33,021 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:53:33,021 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:53:33,021 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8bf99f03-fda5-49a7-8dd2-098bfc838265/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:53:33,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:33,027 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:53:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:33,143 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:53:33,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2709 backedges. 1550 proven. 2 refuted. 0 times theorem prover too weak. 1157 trivial. 0 not checked. [2018-11-18 12:53:33,519 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:53:33,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2709 backedges. 1002 proven. 110 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2018-11-18 12:53:33,949 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:53:33,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 12:53:33,949 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:53:33,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:53:33,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:53:33,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:53:33,950 INFO L87 Difference]: Start difference. First operand 12821 states and 13809 transitions. Second operand 9 states. [2018-11-18 12:53:36,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:53:36,244 INFO L93 Difference]: Finished difference Result 28517 states and 32002 transitions. [2018-11-18 12:53:36,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 12:53:36,244 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1094 [2018-11-18 12:53:36,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:53:36,276 INFO L225 Difference]: With dead ends: 28517 [2018-11-18 12:53:36,276 INFO L226 Difference]: Without dead ends: 16425 [2018-11-18 12:53:36,295 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2216 GetRequests, 2194 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-11-18 12:53:36,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16425 states. [2018-11-18 12:53:36,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16425 to 16348. [2018-11-18 12:53:36,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16348 states. [2018-11-18 12:53:36,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16348 states to 16348 states and 17878 transitions. [2018-11-18 12:53:36,497 INFO L78 Accepts]: Start accepts. Automaton has 16348 states and 17878 transitions. Word has length 1094 [2018-11-18 12:53:36,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:53:36,498 INFO L480 AbstractCegarLoop]: Abstraction has 16348 states and 17878 transitions. [2018-11-18 12:53:36,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:53:36,498 INFO L276 IsEmpty]: Start isEmpty. Operand 16348 states and 17878 transitions. [2018-11-18 12:53:36,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1104 [2018-11-18 12:53:36,515 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:53:36,515 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:53:36,515 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:53:36,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:36,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1271606803, now seen corresponding path program 1 times [2018-11-18 12:53:36,516 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:53:36,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:36,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:36,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:36,517 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:53:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:37,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2432 backedges. 898 proven. 110 refuted. 0 times theorem prover too weak. 1424 trivial. 0 not checked. [2018-11-18 12:53:37,270 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:53:37,271 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:53:37,271 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1104 with the following transitions: [2018-11-18 12:53:37,271 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [551], [553], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:53:37,273 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:53:37,273 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:53:37,789 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:53:37,790 INFO L272 AbstractInterpreter]: Visited 253 different actions 1011 times. Merged at 11 different actions 34 times. Never widened. Performed 11829 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11829 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-18 12:53:37,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:37,791 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:53:37,791 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:53:37,791 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8bf99f03-fda5-49a7-8dd2-098bfc838265/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:53:37,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:37,798 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:53:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:37,918 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:53:38,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2432 backedges. 1380 proven. 2 refuted. 0 times theorem prover too weak. 1050 trivial. 0 not checked. [2018-11-18 12:53:38,242 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:53:38,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2432 backedges. 898 proven. 110 refuted. 0 times theorem prover too weak. 1424 trivial. 0 not checked. [2018-11-18 12:53:38,720 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:53:38,721 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-11-18 12:53:38,721 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:53:38,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:53:38,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:53:38,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:53:38,722 INFO L87 Difference]: Start difference. First operand 16348 states and 17878 transitions. Second operand 10 states. [2018-11-18 12:53:40,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:53:40,721 INFO L93 Difference]: Finished difference Result 31559 states and 34428 transitions. [2018-11-18 12:53:40,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 12:53:40,721 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1103 [2018-11-18 12:53:40,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:53:40,739 INFO L225 Difference]: With dead ends: 31559 [2018-11-18 12:53:40,739 INFO L226 Difference]: Without dead ends: 15940 [2018-11-18 12:53:40,756 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2237 GetRequests, 2213 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2018-11-18 12:53:40,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15940 states. [2018-11-18 12:53:40,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15940 to 15855. [2018-11-18 12:53:40,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15855 states. [2018-11-18 12:53:40,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15855 states to 15855 states and 16961 transitions. [2018-11-18 12:53:40,887 INFO L78 Accepts]: Start accepts. Automaton has 15855 states and 16961 transitions. Word has length 1103 [2018-11-18 12:53:40,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:53:40,888 INFO L480 AbstractCegarLoop]: Abstraction has 15855 states and 16961 transitions. [2018-11-18 12:53:40,888 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:53:40,888 INFO L276 IsEmpty]: Start isEmpty. Operand 15855 states and 16961 transitions. [2018-11-18 12:53:40,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1124 [2018-11-18 12:53:40,897 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:53:40,897 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 12:53:40,898 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:53:40,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:40,898 INFO L82 PathProgramCache]: Analyzing trace with hash 375998332, now seen corresponding path program 1 times [2018-11-18 12:53:40,898 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:53:40,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:40,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:40,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:40,899 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:53:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:41,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2056 backedges. 988 proven. 609 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2018-11-18 12:53:41,831 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:53:41,831 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:53:41,831 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1124 with the following transitions: [2018-11-18 12:53:41,832 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [551], [553], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:53:41,835 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:53:41,835 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:53:42,658 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:53:42,659 INFO L272 AbstractInterpreter]: Visited 286 different actions 1144 times. Merged at 9 different actions 35 times. Widened at 1 different actions 1 times. Performed 13730 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13730 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 10 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-18 12:53:42,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:42,660 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:53:42,660 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:53:42,660 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8bf99f03-fda5-49a7-8dd2-098bfc838265/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:53:42,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:42,666 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:53:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:42,798 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:53:43,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2056 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 1784 trivial. 0 not checked. [2018-11-18 12:53:43,104 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:53:43,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2056 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 1784 trivial. 0 not checked. [2018-11-18 12:53:43,528 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:53:43,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-18 12:53:43,529 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:53:43,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:53:43,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:53:43,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:53:43,530 INFO L87 Difference]: Start difference. First operand 15855 states and 16961 transitions. Second operand 3 states. [2018-11-18 12:53:44,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:53:44,073 INFO L93 Difference]: Finished difference Result 30041 states and 32158 transitions. [2018-11-18 12:53:44,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:53:44,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1123 [2018-11-18 12:53:44,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:53:44,074 INFO L225 Difference]: With dead ends: 30041 [2018-11-18 12:53:44,074 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:53:44,091 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2258 GetRequests, 2247 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:53:44,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:53:44,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:53:44,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:53:44,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:53:44,092 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1123 [2018-11-18 12:53:44,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:53:44,092 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:53:44,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:53:44,093 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:53:44,093 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:53:44,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:53:44,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:53:44,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:53:44,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:53:44,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:53:44,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:53:44,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:53:44,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:53:44,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:53:44,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:53:44,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:53:44,322 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 218 [2018-11-18 12:53:44,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:53:44,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:53:44,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:53:45,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:53:45,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:53:45,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:53:45,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:53:45,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:53:45,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:53:45,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:53:45,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:53:45,400 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 243 [2018-11-18 12:53:45,736 WARN L180 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 47 [2018-11-18 12:53:46,261 WARN L180 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 87 [2018-11-18 12:53:46,868 WARN L180 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 87 [2018-11-18 12:53:47,858 WARN L180 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 104 [2018-11-18 12:53:48,212 WARN L180 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 44 [2018-11-18 12:53:48,219 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:53:48,219 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-11-18 12:53:48,219 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:53:48,219 INFO L425 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,219 INFO L425 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 12:53:48,219 INFO L425 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,219 INFO L425 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,219 INFO L425 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,219 INFO L425 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,219 INFO L425 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,219 INFO L425 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,219 INFO L425 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,219 INFO L425 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,219 INFO L425 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,219 INFO L425 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,219 INFO L425 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,219 INFO L425 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,219 INFO L425 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,219 INFO L425 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,219 INFO L425 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,219 INFO L425 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,220 INFO L425 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,220 INFO L425 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,220 INFO L425 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,220 INFO L425 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,220 INFO L425 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,220 INFO L425 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,220 INFO L425 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,220 INFO L425 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,220 INFO L425 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,220 INFO L425 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,220 INFO L425 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,220 INFO L421 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse6 (= |old(~a15~0)| ~a15~0)) (.cse7 (= |old(~a12~0)| ~a12~0)) (.cse4 (not (= 3 |old(~a15~0)|))) (.cse5 (not (= 5 |old(~a12~0)|))) (.cse9 (not (= (+ |old(~a18~0)| 87) 0))) (.cse10 (not (= 11 |old(~a16~0)|)))) (let ((.cse3 (< 134 ~a18~0)) (.cse0 (= (+ ~a18~0 87) 0)) (.cse1 (and (or (not (= 8 |old(~a16~0)|)) .cse4 .cse5) (or .cse4 .cse5 .cse9 .cse10))) (.cse2 (<= (+ ~a18~0 156) 0)) (.cse11 (= 10 |old(~a16~0)|)) (.cse8 (and (= |old(~a16~0)| ~a16~0) .cse6 .cse7))) (and (or (or (= ~a16~0 8) .cse0) .cse1) (or .cse1 (< 0 (+ |old(~a18~0)| 156)) (or .cse2 .cse3)) (or .cse4 .cse5 (and .cse6 (= ~a16~0 |old(~a16~0)|) .cse7)) (or (= 9 |old(~a16~0)|) .cse8 (< 7 |old(~a12~0)|)) (or .cse1 (<= |old(~a18~0)| 134) .cse3) (or .cse8 (or (= 4 |old(~a15~0)|) (not (= 8 |old(~a12~0)|)))) (or (or .cse4 .cse9 (not (= 6 |old(~a12~0)|))) .cse10 .cse0) (or .cse1 (<= (+ |old(~a18~0)| 79) 0) (or .cse2 (< 0 (+ ~a18~0 79)))) (or (< |old(~a12~0)| 7) .cse11 .cse8) (or .cse11 .cse8 (< |old(~a15~0)| 4))))) [2018-11-18 12:53:48,220 INFO L425 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,220 INFO L425 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,220 INFO L425 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,220 INFO L425 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,220 INFO L425 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,220 INFO L425 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,220 INFO L425 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,220 INFO L425 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 12:53:48,220 INFO L425 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,220 INFO L425 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,221 INFO L425 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,221 INFO L425 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,221 INFO L425 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,221 INFO L425 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,221 INFO L425 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,221 INFO L425 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,221 INFO L425 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-18 12:53:48,221 INFO L425 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,221 INFO L425 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,221 INFO L425 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,221 INFO L425 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,221 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,221 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,221 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,221 INFO L425 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,221 INFO L425 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,221 INFO L425 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,221 INFO L425 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,221 INFO L425 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,221 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,221 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 12:53:48,221 INFO L425 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,221 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 12:53:48,221 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 12:53:48,222 INFO L421 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse0 (not (= 3 |old(~a15~0)|))) (.cse10 (not (= 5 |old(~a12~0)|))) (.cse5 (not (= (+ |old(~a18~0)| 87) 0))) (.cse1 (not (= 11 |old(~a16~0)|)))) (let ((.cse4 (or .cse0 .cse10 .cse5 .cse1)) (.cse15 (= |old(~a16~0)| ~a16~0)) (.cse11 (= |old(~a15~0)| ~a15~0)) (.cse12 (= |old(~a12~0)| ~a12~0))) (let ((.cse3 (not (= calculate_output_~input 0))) (.cse13 (< 7 |old(~a12~0)|)) (.cse6 (and .cse15 .cse11 .cse12)) (.cse8 (< 134 ~a18~0)) (.cse7 (and (or (not (= 8 |old(~a16~0)|)) .cse0 .cse10) .cse4)) (.cse14 (<= (+ ~a18~0 156) 0)) (.cse9 (< 0 (+ ~a18~0 79))) (.cse2 (= |calculate_output_#in~input| 0))) (and (or (or .cse0 (= 0 |old(~a12~0)|) .cse1 .cse2) .cse3) (or .cse2 (and (or .cse0 (not (= 6 |old(~a12~0)|)) .cse1) .cse4) .cse5 (= (+ ~a18~0 87) 0)) (or (< |old(~a12~0)| 7) .cse6 (= 10 |old(~a16~0)|)) (or .cse7 (<= |old(~a18~0)| 134) .cse8 .cse2) (or (not (= 11 ~a16~0)) (not (= calculate_output_~input 3)) (not (= 7 |old(~a12~0)|)) (not (= ~a15~0 3)) .cse9) (or .cse0 .cse10 (and .cse11 .cse3 (= ~a16~0 |old(~a16~0)|) .cse12) (= 0 |old(~a16~0)|) .cse2) (or .cse6 .cse13 (< |old(~a15~0)| 4)) (or (= 9 |old(~a16~0)|) .cse13 .cse6) (or .cse7 (< 0 (+ |old(~a18~0)| 156)) (or .cse14 .cse8) .cse2) (or (= 4 |old(~a15~0)|) (and (and .cse15 .cse11) .cse12) (not (= 8 |old(~a12~0)|))) (or .cse7 (<= (+ |old(~a18~0)| 79) 0) (or .cse14 .cse9) .cse2))))) [2018-11-18 12:53:48,222 INFO L425 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,222 INFO L425 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-18 12:53:48,222 INFO L425 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,222 INFO L425 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,222 INFO L425 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,222 INFO L425 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,222 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,222 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,222 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,222 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 12:53:48,222 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 12:53:48,222 INFO L425 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,222 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 12:53:48,222 INFO L425 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,222 INFO L425 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,222 INFO L425 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,222 INFO L425 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,222 INFO L425 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,222 INFO L425 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,222 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,222 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,222 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,222 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,223 INFO L425 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,223 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,223 INFO L425 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,223 INFO L425 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,223 INFO L425 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,223 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 12:53:48,223 INFO L425 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,223 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 12:53:48,223 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 12:53:48,223 INFO L425 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,223 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,223 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,223 INFO L425 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,223 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,223 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,223 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,223 INFO L425 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,223 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,223 INFO L425 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,223 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 12:53:48,223 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 12:53:48,223 INFO L425 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,223 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 12:53:48,223 INFO L425 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,223 INFO L425 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,223 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,224 INFO L425 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,224 INFO L425 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,224 INFO L425 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,224 INFO L425 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,224 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,224 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,224 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,224 INFO L425 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,224 INFO L425 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,224 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 12:53:48,224 INFO L425 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,224 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 12:53:48,224 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 12:53:48,224 INFO L425 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,224 INFO L425 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,224 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,224 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,224 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,224 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,224 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,224 INFO L425 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,224 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,224 INFO L425 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,224 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,224 INFO L425 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,224 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 12:53:48,224 INFO L425 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,225 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 12:53:48,225 INFO L425 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,225 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 12:53:48,225 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,225 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,225 INFO L425 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,225 INFO L425 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,225 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,225 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,225 INFO L425 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,225 INFO L425 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,225 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,225 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,225 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,225 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,225 INFO L425 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,225 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 12:53:48,225 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 12:53:48,225 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 12:53:48,225 INFO L425 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,225 INFO L425 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,225 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,225 INFO L425 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,225 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,225 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,225 INFO L425 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,225 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,226 INFO L425 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,226 INFO L425 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,226 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,226 INFO L425 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,226 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 12:53:48,226 INFO L425 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,226 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 12:53:48,226 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 12:53:48,226 INFO L425 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,226 INFO L425 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,226 INFO L425 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,226 INFO L425 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,226 INFO L425 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,226 INFO L425 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,226 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse11 (= |old(~a15~0)| ~a15~0)) (.cse12 (= |old(~a12~0)| ~a12~0)) (.cse4 (not (= 3 |old(~a15~0)|))) (.cse5 (not (= 5 |old(~a12~0)|))) (.cse6 (not (= (+ |old(~a18~0)| 87) 0))) (.cse7 (not (= 11 |old(~a16~0)|)))) (let ((.cse1 (<= (+ ~a18~0 156) 0)) (.cse8 (= (+ ~a18~0 87) 0)) (.cse9 (< 134 ~a18~0)) (.cse0 (and (or (not (= 8 |old(~a16~0)|)) .cse4 .cse5) (or .cse4 .cse5 .cse6 .cse7))) (.cse10 (= 10 |old(~a16~0)|)) (.cse3 (and (= |old(~a16~0)| ~a16~0) .cse11 .cse12)) (.cse2 (= |calculate_output_#in~input| 0))) (and (or .cse0 (or .cse1 (< 0 (+ ~a18~0 79))) (<= (+ |old(~a18~0)| 79) 0) .cse2) (or (= 4 |old(~a15~0)|) (not (= 8 |old(~a12~0)|)) .cse3) (or (or .cse4 .cse5 .cse6 .cse7 .cse2) .cse8) (or (or .cse1 .cse9) .cse0 (< 0 (+ |old(~a18~0)| 156)) .cse2) (or .cse2 .cse8 (or .cse4 (not (= 6 |old(~a12~0)|)) .cse7) .cse6) (or .cse3 (= 9 |old(~a16~0)|) (< 7 |old(~a12~0)|)) (or .cse10 .cse3 (< |old(~a15~0)| 4)) (or .cse9 .cse0 (<= |old(~a18~0)| 134) .cse2) (or (< |old(~a12~0)| 7) .cse10 .cse3) (or .cse4 .cse5 .cse2 (and .cse11 (= ~a16~0 |old(~a16~0)|) .cse12))))) [2018-11-18 12:53:48,226 INFO L425 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,226 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,226 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,226 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,226 INFO L425 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,226 INFO L425 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,226 INFO L425 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,227 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,227 INFO L425 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,227 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 12:53:48,227 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 12:53:48,227 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 12:53:48,227 INFO L425 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,227 INFO L425 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,227 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,227 INFO L425 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,227 INFO L425 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,227 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,227 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,227 INFO L425 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,227 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,227 INFO L425 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,227 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,227 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 12:53:48,227 INFO L425 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,227 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 12:53:48,227 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 12:53:48,227 INFO L425 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,227 INFO L425 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,227 INFO L425 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,227 INFO L425 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,227 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,227 INFO L425 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,228 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,228 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,228 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,228 INFO L425 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,228 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,228 INFO L425 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,228 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 12:53:48,228 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 12:53:48,228 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 12:53:48,228 INFO L425 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,228 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,228 INFO L425 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,228 INFO L425 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,228 INFO L425 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,228 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,228 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,228 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,228 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,228 INFO L425 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,228 INFO L425 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,228 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,228 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 12:53:48,229 INFO L425 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,229 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 12:53:48,229 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 12:53:48,229 INFO L425 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,229 INFO L425 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,229 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,229 INFO L425 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,229 INFO L425 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,229 INFO L425 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,229 INFO L425 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,229 INFO L425 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,229 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,229 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,229 INFO L425 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,229 INFO L425 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,230 INFO L425 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-18 12:53:48,230 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 12:53:48,230 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 12:53:48,230 INFO L425 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,230 INFO L425 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,230 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,230 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,230 INFO L425 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,230 INFO L425 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,230 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,230 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,230 INFO L425 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,230 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,230 INFO L425 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,230 INFO L425 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,231 INFO L425 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,231 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 12:53:48,231 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 12:53:48,231 INFO L425 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,231 INFO L425 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,231 INFO L425 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,231 INFO L425 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,231 INFO L425 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,231 INFO L425 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,231 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,231 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,231 INFO L425 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,231 INFO L425 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,231 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 12:53:48,232 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 12:53:48,232 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,232 INFO L425 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,232 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,232 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,232 INFO L425 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,232 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,232 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,232 INFO L425 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,232 INFO L425 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,232 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,232 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,232 INFO L425 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,232 INFO L425 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,232 INFO L425 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,233 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 12:53:48,233 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 12:53:48,233 INFO L425 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,233 INFO L425 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,233 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,233 INFO L425 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,233 INFO L425 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,233 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,233 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,233 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,233 INFO L425 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,233 INFO L425 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,233 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 12:53:48,233 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 12:53:48,233 INFO L425 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,234 INFO L425 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,234 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,234 INFO L425 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,234 INFO L425 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,234 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,234 INFO L425 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,234 INFO L425 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,234 INFO L425 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,234 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,234 INFO L425 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,234 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,234 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,234 INFO L425 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,234 INFO L425 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,234 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 12:53:48,234 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 12:53:48,235 INFO L425 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,235 INFO L425 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,235 INFO L425 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,235 INFO L425 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,235 INFO L425 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,235 INFO L425 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,235 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,235 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,235 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-18 12:53:48,235 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,235 INFO L425 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,235 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,235 INFO L425 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,235 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 12:53:48,235 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 12:53:48,236 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 12:53:48,236 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,236 INFO L425 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,236 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,236 INFO L425 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,236 INFO L425 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,236 INFO L425 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,236 INFO L425 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,236 INFO L425 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,236 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,236 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,236 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,236 INFO L425 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,236 INFO L425 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,236 INFO L425 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,236 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 12:53:48,237 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 12:53:48,237 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 12:53:48,237 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 163) no Hoare annotation was computed. [2018-11-18 12:53:48,237 INFO L425 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,237 INFO L425 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,237 INFO L425 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,237 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,237 INFO L425 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,237 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,237 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,237 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,237 INFO L425 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,237 INFO L425 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,237 INFO L425 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,238 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,238 INFO L425 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,238 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,238 INFO L425 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,238 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 12:53:48,238 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 12:53:48,238 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 12:53:48,238 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,238 INFO L425 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,238 INFO L425 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,238 INFO L425 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,238 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,238 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,238 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,238 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,238 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:53:48,239 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 12:53:48,239 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 12:53:48,239 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 12:53:48,239 INFO L425 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,239 INFO L425 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,239 INFO L425 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-18 12:53:48,239 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:53:48,239 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-11-18 12:53:48,239 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:53:48,239 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:53:48,239 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (= (+ ~a18~0 87) 0) (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= |old(~a12~0)| ~a12~0)) (not (= 11 |old(~a16~0)|))) [2018-11-18 12:53:48,239 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 12:53:48,240 INFO L421 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 10)))) (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (not (= ~a16~0 9)) (<= ~a12~0 7)) (and (<= 7 ~a12~0) .cse0) (not (= 3 |old(~a15~0)|)) (and .cse0 (<= 4 ~a15~0)) (and (not (= main_~input~0 0)) (= ~a15~0 3) (= ~a12~0 5)) (not (= 5 |old(~a12~0)|)) (and (= 8 ~a12~0) (not (= ~a15~0 4))))) [2018-11-18 12:53:48,240 INFO L425 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-18 12:53:48,240 INFO L425 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-18 12:53:48,240 INFO L425 ceAbstractionStarter]: For program point L1773-1(lines 1773 1782) no Hoare annotation was computed. [2018-11-18 12:53:48,240 INFO L421 ceAbstractionStarter]: At program point L1773-3(lines 1773 1782) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 10)))) (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (not (= ~a16~0 9)) (<= ~a12~0 7)) (and (<= 7 ~a12~0) .cse0) (not (= 3 |old(~a15~0)|)) (and .cse0 (<= 4 ~a15~0)) (not (= 5 |old(~a12~0)|)) (and (= 8 ~a12~0) (not (= ~a15~0 4))) (and (= ~a15~0 3) (= 5 ~a12~0)))) [2018-11-18 12:53:48,240 INFO L425 ceAbstractionStarter]: For program point L1773-4(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 12:53:48,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:53:48 BoogieIcfgContainer [2018-11-18 12:53:48,254 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:53:48,254 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:53:48,254 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:53:48,254 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:53:48,254 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:48:20" (3/4) ... [2018-11-18 12:53:48,257 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:53:48,263 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:53:48,263 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-18 12:53:48,263 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 12:53:48,264 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:53:48,282 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 12:53:48,283 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 12:53:48,308 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(11 == \old(a16)) || !(\old(a18) + 87 == 0)) || (!(a16 == 9) && a12 <= 7)) || (7 <= a12 && !(a16 == 10))) || !(3 == \old(a15))) || (!(a16 == 10) && 4 <= a15)) || !(5 == \old(a12))) || (8 == a12 && !(a15 == 4))) || (a15 == 3 && 5 == a12) [2018-11-18 12:53:48,416 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8bf99f03-fda5-49a7-8dd2-098bfc838265/bin-2019/utaipan/witness.graphml [2018-11-18 12:53:48,417 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:53:48,417 INFO L168 Benchmark]: Toolchain (without parser) took 329852.86 ms. Allocated memory was 1.0 GB in the beginning and 5.3 GB in the end (delta: 4.3 GB). Free memory was 947.3 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.9 GB. Max. memory is 11.5 GB. [2018-11-18 12:53:48,418 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-11-18 12:53:48,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.74 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 874.7 MB in the end (delta: 72.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:53:48,418 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 874.7 MB in the beginning and 1.1 GB in the end (delta: -233.6 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:53:48,419 INFO L168 Benchmark]: Boogie Preprocessor took 74.07 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: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:53:48,421 INFO L168 Benchmark]: RCFGBuilder took 1399.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 845.0 MB in the end (delta: 251.8 MB). Peak memory consumption was 251.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:53:48,421 INFO L168 Benchmark]: TraceAbstraction took 327409.47 ms. Allocated memory was 1.1 GB in the beginning and 5.3 GB in the end (delta: 4.1 GB). Free memory was 845.0 MB in the beginning and 2.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. [2018-11-18 12:53:48,421 INFO L168 Benchmark]: Witness Printer took 162.66 ms. Allocated memory is still 5.3 GB. Free memory was 2.4 GB in the beginning and 2.3 GB in the end (delta: 78.9 MB). Peak memory consumption was 78.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:53:48,423 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 699.74 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 874.7 MB in the end (delta: 72.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 874.7 MB in the beginning and 1.1 GB in the end (delta: -233.6 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 74.07 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: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1399.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 845.0 MB in the end (delta: 251.8 MB). Peak memory consumption was 251.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 327409.47 ms. Allocated memory was 1.1 GB in the beginning and 5.3 GB in the end (delta: 4.1 GB). Free memory was 845.0 MB in the beginning and 2.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. * Witness Printer took 162.66 ms. Allocated memory is still 5.3 GB. Free memory was 2.4 GB in the beginning and 2.3 GB in the end (delta: 78.9 MB). Peak memory consumption was 78.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 163]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1773]: Loop Invariant Derived loop invariant: (((((((!(11 == \old(a16)) || !(\old(a18) + 87 == 0)) || (!(a16 == 9) && a12 <= 7)) || (7 <= a12 && !(a16 == 10))) || !(3 == \old(a15))) || (!(a16 == 10) && 4 <= a15)) || !(5 == \old(a12))) || (8 == a12 && !(a15 == 4))) || (a15 == 3 && 5 == a12) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. SAFE Result, 327.3s OverallTime, 13 OverallIterations, 8 TraceHistogramMax, 304.7s AutomataDifference, 0.0s DeadEndRemovalTime, 4.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2739 SDtfs, 36002 SDslu, 3190 SDs, 0 SdLazy, 45129 SolverSat, 9547 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 281.4s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 13746 GetRequests, 13476 SyntacticMatches, 18 SemanticMatches, 252 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2730 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16348occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.3s AbstIntTime, 10 AbstIntIterations, 4 AbstIntStrong, 0.9978159283534417 AbsIntWeakeningRatio, 0.07029104887424492 AbsIntAvgWeakeningVarsNumRemoved, 15.948929159802306 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 2498 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 813 PreInvPairs, 1882 NumberOfFragments, 1127 HoareAnnotationTreeSize, 813 FomulaSimplifications, 28542 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 34035 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 13813 NumberOfCodeBlocks, 13813 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 19584 ConstructedInterpolants, 0 QuantifiedInterpolants, 40385839 SizeOfPredicates, 3 NumberOfNonLiveVariables, 7770 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 25 InterpolantComputations, 5 PerfectInterpolantSequences, 35056/38356 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...