./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label06_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_15978704-2aa2-4193-b541-9b95543735da/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_15978704-2aa2-4193-b541-9b95543735da/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_15978704-2aa2-4193-b541-9b95543735da/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_15978704-2aa2-4193-b541-9b95543735da/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label06_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_15978704-2aa2-4193-b541-9b95543735da/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_15978704-2aa2-4193-b541-9b95543735da/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 0d6d504be06c544abd3f98aa8e24c2240a31073b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 05:18:01,423 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 05:18:01,424 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 05:18:01,432 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 05:18:01,432 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 05:18:01,433 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 05:18:01,433 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 05:18:01,434 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 05:18:01,435 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 05:18:01,436 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 05:18:01,437 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 05:18:01,437 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 05:18:01,437 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 05:18:01,438 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 05:18:01,439 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 05:18:01,439 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 05:18:01,440 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 05:18:01,441 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 05:18:01,442 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 05:18:01,444 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 05:18:01,444 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 05:18:01,445 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 05:18:01,447 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 05:18:01,447 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 05:18:01,447 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 05:18:01,447 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 05:18:01,448 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 05:18:01,449 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 05:18:01,449 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 05:18:01,450 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 05:18:01,450 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 05:18:01,451 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 05:18:01,451 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 05:18:01,451 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 05:18:01,451 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 05:18:01,452 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 05:18:01,452 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_15978704-2aa2-4193-b541-9b95543735da/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 05:18:01,458 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 05:18:01,459 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 05:18:01,459 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 05:18:01,459 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 05:18:01,459 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 05:18:01,459 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 05:18:01,460 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 05:18:01,460 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 05:18:01,460 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 05:18:01,460 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 05:18:01,460 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 05:18:01,460 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 05:18:01,460 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 05:18:01,460 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 05:18:01,461 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 05:18:01,461 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 05:18:01,461 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 05:18:01,461 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 05:18:01,461 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 05:18:01,461 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 05:18:01,461 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 05:18:01,462 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 05:18:01,462 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 05:18:01,462 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 05:18:01,462 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 05:18:01,462 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 05:18:01,462 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 05:18:01,463 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 05:18:01,463 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 05:18:01,463 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 05:18:01,463 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 05:18:01,463 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 05:18:01,463 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 05:18:01,463 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 05:18:01,464 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 05:18:01,464 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 05:18:01,464 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_15978704-2aa2-4193-b541-9b95543735da/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 -> 0d6d504be06c544abd3f98aa8e24c2240a31073b [2018-12-03 05:18:01,487 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 05:18:01,493 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 05:18:01,495 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 05:18:01,496 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 05:18:01,496 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 05:18:01,497 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_15978704-2aa2-4193-b541-9b95543735da/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label06_true-unreach-call_false-termination.c [2018-12-03 05:18:01,531 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_15978704-2aa2-4193-b541-9b95543735da/bin-2019/utaipan/data/ab06c34e3/fa442350808340b2bd397e86029b1d7f/FLAG0f7ed15b0 [2018-12-03 05:18:01,867 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 05:18:01,867 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_15978704-2aa2-4193-b541-9b95543735da/sv-benchmarks/c/eca-rers2012/Problem14_label06_true-unreach-call_false-termination.c [2018-12-03 05:18:01,874 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_15978704-2aa2-4193-b541-9b95543735da/bin-2019/utaipan/data/ab06c34e3/fa442350808340b2bd397e86029b1d7f/FLAG0f7ed15b0 [2018-12-03 05:18:02,261 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_15978704-2aa2-4193-b541-9b95543735da/bin-2019/utaipan/data/ab06c34e3/fa442350808340b2bd397e86029b1d7f [2018-12-03 05:18:02,264 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 05:18:02,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 05:18:02,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 05:18:02,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 05:18:02,268 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 05:18:02,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:18:02" (1/1) ... [2018-12-03 05:18:02,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@870cb06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:18:02, skipping insertion in model container [2018-12-03 05:18:02,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:18:02" (1/1) ... [2018-12-03 05:18:02,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 05:18:02,310 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 05:18:02,499 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 05:18:02,502 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 05:18:02,628 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 05:18:02,638 INFO L195 MainTranslator]: Completed translation [2018-12-03 05:18:02,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:18:02 WrapperNode [2018-12-03 05:18:02,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 05:18:02,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 05:18:02,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 05:18:02,639 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 05:18:02,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:18:02" (1/1) ... [2018-12-03 05:18:02,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:18:02" (1/1) ... [2018-12-03 05:18:02,658 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 05:18:02,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 05:18:02,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 05:18:02,659 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 05:18:02,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:18:02" (1/1) ... [2018-12-03 05:18:02,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:18:02" (1/1) ... [2018-12-03 05:18:02,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:18:02" (1/1) ... [2018-12-03 05:18:02,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:18:02" (1/1) ... [2018-12-03 05:18:02,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:18:02" (1/1) ... [2018-12-03 05:18:02,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:18:02" (1/1) ... [2018-12-03 05:18:02,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:18:02" (1/1) ... [2018-12-03 05:18:02,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 05:18:02,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 05:18:02,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 05:18:02,701 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 05:18:02,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:18:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_15978704-2aa2-4193-b541-9b95543735da/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 [2018-12-03 05:18:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 05:18:02,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 05:18:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-03 05:18:02,741 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-03 05:18:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 05:18:02,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 05:18:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 05:18:02,741 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 05:18:03,442 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 05:18:03,442 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 05:18:03,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:18:03 BoogieIcfgContainer [2018-12-03 05:18:03,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 05:18:03,443 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 05:18:03,443 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 05:18:03,445 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 05:18:03,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 05:18:02" (1/3) ... [2018-12-03 05:18:03,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e689d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 05:18:03, skipping insertion in model container [2018-12-03 05:18:03,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:18:02" (2/3) ... [2018-12-03 05:18:03,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e689d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 05:18:03, skipping insertion in model container [2018-12-03 05:18:03,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:18:03" (3/3) ... [2018-12-03 05:18:03,447 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label06_true-unreach-call_false-termination.c [2018-12-03 05:18:03,453 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 05:18:03,459 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 05:18:03,469 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 05:18:03,490 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 05:18:03,490 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 05:18:03,490 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 05:18:03,490 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 05:18:03,490 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 05:18:03,490 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 05:18:03,490 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 05:18:03,490 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 05:18:03,505 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-12-03 05:18:03,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-03 05:18:03,510 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:18:03,510 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:18:03,512 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:18:03,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:18:03,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1258864990, now seen corresponding path program 1 times [2018-12-03 05:18:03,517 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:18:03,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:18:03,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:18:03,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:18:03,550 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:18:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:18:03,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:18:03,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:18:03,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 05:18:03,702 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:18:03,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 05:18:03,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 05:18:03,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-03 05:18:03,716 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2018-12-03 05:18:04,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:18:04,637 INFO L93 Difference]: Finished difference Result 890 states and 1606 transitions. [2018-12-03 05:18:04,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 05:18:04,638 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2018-12-03 05:18:04,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:18:04,647 INFO L225 Difference]: With dead ends: 890 [2018-12-03 05:18:04,647 INFO L226 Difference]: Without dead ends: 554 [2018-12-03 05:18:04,651 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-03 05:18:04,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-12-03 05:18:04,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 372. [2018-12-03 05:18:04,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-12-03 05:18:04,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 524 transitions. [2018-12-03 05:18:04,694 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 524 transitions. Word has length 67 [2018-12-03 05:18:04,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:18:04,695 INFO L480 AbstractCegarLoop]: Abstraction has 372 states and 524 transitions. [2018-12-03 05:18:04,695 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 05:18:04,695 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 524 transitions. [2018-12-03 05:18:04,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-03 05:18:04,699 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:18:04,699 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:18:04,700 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:18:04,700 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:18:04,700 INFO L82 PathProgramCache]: Analyzing trace with hash -744258219, now seen corresponding path program 1 times [2018-12-03 05:18:04,700 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:18:04,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:18:04,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:18:04,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:18:04,701 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:18:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:18:04,809 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:18:04,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:18:04,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 05:18:04,810 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:18:04,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 05:18:04,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 05:18:04,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-03 05:18:04,811 INFO L87 Difference]: Start difference. First operand 372 states and 524 transitions. Second operand 4 states. [2018-12-03 05:18:05,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:18:05,512 INFO L93 Difference]: Finished difference Result 1284 states and 1876 transitions. [2018-12-03 05:18:05,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 05:18:05,513 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 150 [2018-12-03 05:18:05,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:18:05,516 INFO L225 Difference]: With dead ends: 1284 [2018-12-03 05:18:05,516 INFO L226 Difference]: Without dead ends: 918 [2018-12-03 05:18:05,517 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-03 05:18:05,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2018-12-03 05:18:05,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 918. [2018-12-03 05:18:05,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 918 states. [2018-12-03 05:18:05,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1267 transitions. [2018-12-03 05:18:05,537 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1267 transitions. Word has length 150 [2018-12-03 05:18:05,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:18:05,538 INFO L480 AbstractCegarLoop]: Abstraction has 918 states and 1267 transitions. [2018-12-03 05:18:05,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 05:18:05,538 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1267 transitions. [2018-12-03 05:18:05,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-03 05:18:05,540 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:18:05,541 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:18:05,541 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:18:05,541 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:18:05,541 INFO L82 PathProgramCache]: Analyzing trace with hash -576457814, now seen corresponding path program 1 times [2018-12-03 05:18:05,541 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:18:05,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:18:05,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:18:05,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:18:05,542 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:18:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:18:05,689 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:18:05,690 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:18:05,690 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 05:18:05,690 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:18:05,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 05:18:05,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 05:18:05,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 05:18:05,691 INFO L87 Difference]: Start difference. First operand 918 states and 1267 transitions. Second operand 6 states. [2018-12-03 05:18:06,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:18:06,387 INFO L93 Difference]: Finished difference Result 2604 states and 3737 transitions. [2018-12-03 05:18:06,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 05:18:06,387 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 207 [2018-12-03 05:18:06,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:18:06,397 INFO L225 Difference]: With dead ends: 2604 [2018-12-03 05:18:06,397 INFO L226 Difference]: Without dead ends: 1692 [2018-12-03 05:18:06,399 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-03 05:18:06,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1692 states. [2018-12-03 05:18:06,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1692 to 1670. [2018-12-03 05:18:06,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1670 states. [2018-12-03 05:18:06,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1670 states and 2239 transitions. [2018-12-03 05:18:06,446 INFO L78 Accepts]: Start accepts. Automaton has 1670 states and 2239 transitions. Word has length 207 [2018-12-03 05:18:06,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:18:06,446 INFO L480 AbstractCegarLoop]: Abstraction has 1670 states and 2239 transitions. [2018-12-03 05:18:06,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 05:18:06,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 2239 transitions. [2018-12-03 05:18:06,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-03 05:18:06,451 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:18:06,451 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-03 05:18:06,451 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:18:06,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:18:06,451 INFO L82 PathProgramCache]: Analyzing trace with hash 93311285, now seen corresponding path program 1 times [2018-12-03 05:18:06,451 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:18:06,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:18:06,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:18:06,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:18:06,453 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:18:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:18:06,565 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:18:06,566 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:18:06,566 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:18:06,566 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 239 with the following transitions: [2018-12-03 05:18:06,568 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [598], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-03 05:18:06,594 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:18:06,595 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:18:06,796 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 05:18:06,797 INFO L272 AbstractInterpreter]: Visited 100 different actions 100 times. Never merged. Never widened. Performed 848 root evaluator evaluations with a maximum evaluation depth of 9. Performed 848 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Never found a fixpoint. Largest state had 24 variables. [2018-12-03 05:18:06,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:18:06,808 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 05:18:07,054 INFO L227 lantSequenceWeakener]: Weakened 229 states. On average, predicates are now at 78.25% of their original sizes. [2018-12-03 05:18:07,054 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 05:18:07,073 INFO L418 sIntCurrentIteration]: We unified 237 AI predicates to 237 [2018-12-03 05:18:07,073 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 05:18:07,074 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 05:18:07,074 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-03 05:18:07,074 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:18:07,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 05:18:07,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 05:18:07,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 05:18:07,075 INFO L87 Difference]: Start difference. First operand 1670 states and 2239 transitions. Second operand 6 states. [2018-12-03 05:18:18,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:18:18,056 INFO L93 Difference]: Finished difference Result 3517 states and 4687 transitions. [2018-12-03 05:18:18,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 05:18:18,056 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 238 [2018-12-03 05:18:18,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:18:18,061 INFO L225 Difference]: With dead ends: 3517 [2018-12-03 05:18:18,061 INFO L226 Difference]: Without dead ends: 1853 [2018-12-03 05:18:18,064 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 238 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-03 05:18:18,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1853 states. [2018-12-03 05:18:18,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1853 to 1852. [2018-12-03 05:18:18,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1852 states. [2018-12-03 05:18:18,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 1852 states and 2429 transitions. [2018-12-03 05:18:18,097 INFO L78 Accepts]: Start accepts. Automaton has 1852 states and 2429 transitions. Word has length 238 [2018-12-03 05:18:18,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:18:18,097 INFO L480 AbstractCegarLoop]: Abstraction has 1852 states and 2429 transitions. [2018-12-03 05:18:18,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 05:18:18,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2429 transitions. [2018-12-03 05:18:18,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-12-03 05:18:18,100 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:18:18,100 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:18:18,100 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:18:18,100 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:18:18,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1164195299, now seen corresponding path program 1 times [2018-12-03 05:18:18,101 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:18:18,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:18:18,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:18:18,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:18:18,101 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:18:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:18:18,462 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 266 proven. 146 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-03 05:18:18,462 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:18:18,462 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:18:18,462 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 323 with the following transitions: [2018-12-03 05:18:18,462 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [598], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-03 05:18:18,464 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:18:18,465 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:18:18,548 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 05:18:18,548 INFO L272 AbstractInterpreter]: Visited 104 different actions 201 times. Merged at 3 different actions 3 times. Never widened. Performed 1734 root evaluator evaluations with a maximum evaluation depth of 9. Performed 1734 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-03 05:18:18,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:18:18,551 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 05:18:18,779 INFO L227 lantSequenceWeakener]: Weakened 319 states. On average, predicates are now at 78.03% of their original sizes. [2018-12-03 05:18:18,779 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 05:18:18,829 INFO L418 sIntCurrentIteration]: We unified 321 AI predicates to 321 [2018-12-03 05:18:18,829 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 05:18:18,829 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 05:18:18,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 20 [2018-12-03 05:18:18,829 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:18:18,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 05:18:18,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 05:18:18,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 05:18:18,830 INFO L87 Difference]: Start difference. First operand 1852 states and 2429 transitions. Second operand 10 states. [2018-12-03 05:18:55,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:18:55,121 INFO L93 Difference]: Finished difference Result 3914 states and 5126 transitions. [2018-12-03 05:18:55,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-03 05:18:55,121 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 322 [2018-12-03 05:18:55,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:18:55,125 INFO L225 Difference]: With dead ends: 3914 [2018-12-03 05:18:55,125 INFO L226 Difference]: Without dead ends: 2250 [2018-12-03 05:18:55,126 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 330 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-03 05:18:55,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2250 states. [2018-12-03 05:18:55,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2250 to 2036. [2018-12-03 05:18:55,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2036 states. [2018-12-03 05:18:55,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 2036 states and 2628 transitions. [2018-12-03 05:18:55,153 INFO L78 Accepts]: Start accepts. Automaton has 2036 states and 2628 transitions. Word has length 322 [2018-12-03 05:18:55,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:18:55,153 INFO L480 AbstractCegarLoop]: Abstraction has 2036 states and 2628 transitions. [2018-12-03 05:18:55,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 05:18:55,153 INFO L276 IsEmpty]: Start isEmpty. Operand 2036 states and 2628 transitions. [2018-12-03 05:18:55,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2018-12-03 05:18:55,157 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:18:55,157 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:18:55,157 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:18:55,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:18:55,158 INFO L82 PathProgramCache]: Analyzing trace with hash 374911621, now seen corresponding path program 1 times [2018-12-03 05:18:55,158 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:18:55,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:18:55,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:18:55,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:18:55,158 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:18:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:18:55,283 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 333 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-03 05:18:55,283 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:18:55,283 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:18:55,283 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 363 with the following transitions: [2018-12-03 05:18:55,283 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-03 05:18:55,285 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:18:55,285 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:18:58,593 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 05:18:58,594 INFO L272 AbstractInterpreter]: Visited 119 different actions 353 times. Merged at 7 different actions 16 times. Never widened. Performed 3324 root evaluator evaluations with a maximum evaluation depth of 21. Performed 3324 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-03 05:18:58,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:18:58,595 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 05:18:59,204 INFO L227 lantSequenceWeakener]: Weakened 359 states. On average, predicates are now at 80.66% of their original sizes. [2018-12-03 05:18:59,204 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 05:18:59,232 INFO L418 sIntCurrentIteration]: We unified 361 AI predicates to 361 [2018-12-03 05:18:59,232 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 05:18:59,233 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 05:18:59,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2018-12-03 05:18:59,233 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:18:59,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 05:18:59,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 05:18:59,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-03 05:18:59,234 INFO L87 Difference]: Start difference. First operand 2036 states and 2628 transitions. Second operand 9 states. [2018-12-03 05:19:08,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:19:08,824 INFO L93 Difference]: Finished difference Result 4451 states and 5819 transitions. [2018-12-03 05:19:08,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-03 05:19:08,824 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 362 [2018-12-03 05:19:08,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:19:08,828 INFO L225 Difference]: With dead ends: 4451 [2018-12-03 05:19:08,828 INFO L226 Difference]: Without dead ends: 2787 [2018-12-03 05:19:08,830 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 370 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2018-12-03 05:19:08,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2787 states. [2018-12-03 05:19:08,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2787 to 2776. [2018-12-03 05:19:08,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2776 states. [2018-12-03 05:19:08,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2776 states to 2776 states and 3534 transitions. [2018-12-03 05:19:08,863 INFO L78 Accepts]: Start accepts. Automaton has 2776 states and 3534 transitions. Word has length 362 [2018-12-03 05:19:08,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:19:08,864 INFO L480 AbstractCegarLoop]: Abstraction has 2776 states and 3534 transitions. [2018-12-03 05:19:08,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 05:19:08,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2776 states and 3534 transitions. [2018-12-03 05:19:08,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2018-12-03 05:19:08,867 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:19:08,867 INFO L402 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, 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, 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] [2018-12-03 05:19:08,867 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:19:08,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:19:08,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1038643759, now seen corresponding path program 1 times [2018-12-03 05:19:08,868 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:19:08,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:19:08,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:19:08,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:19:08,868 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:19:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:19:09,303 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 433 proven. 232 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-03 05:19:09,303 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:19:09,303 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:19:09,303 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 457 with the following transitions: [2018-12-03 05:19:09,303 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-03 05:19:09,305 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:19:09,305 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:19:12,037 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 05:19:12,037 INFO L272 AbstractInterpreter]: Visited 122 different actions 238 times. Merged at 4 different actions 4 times. Never widened. Performed 2152 root evaluator evaluations with a maximum evaluation depth of 22. Performed 2152 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-03 05:19:12,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:19:12,039 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 05:19:13,514 INFO L227 lantSequenceWeakener]: Weakened 453 states. On average, predicates are now at 77.83% of their original sizes. [2018-12-03 05:19:13,514 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 05:19:13,549 INFO L418 sIntCurrentIteration]: We unified 455 AI predicates to 455 [2018-12-03 05:19:13,549 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 05:19:13,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 05:19:13,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-12-03 05:19:13,549 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:19:13,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 05:19:13,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 05:19:13,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 05:19:13,550 INFO L87 Difference]: Start difference. First operand 2776 states and 3534 transitions. Second operand 10 states. [2018-12-03 05:19:31,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:19:31,859 INFO L93 Difference]: Finished difference Result 5182 states and 6683 transitions. [2018-12-03 05:19:31,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-03 05:19:31,860 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 456 [2018-12-03 05:19:31,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:19:31,863 INFO L225 Difference]: With dead ends: 5182 [2018-12-03 05:19:31,863 INFO L226 Difference]: Without dead ends: 2962 [2018-12-03 05:19:31,866 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 463 GetRequests, 447 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-03 05:19:31,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2962 states. [2018-12-03 05:19:31,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2962 to 2960. [2018-12-03 05:19:31,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2960 states. [2018-12-03 05:19:31,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2960 states and 3725 transitions. [2018-12-03 05:19:31,906 INFO L78 Accepts]: Start accepts. Automaton has 2960 states and 3725 transitions. Word has length 456 [2018-12-03 05:19:31,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:19:31,907 INFO L480 AbstractCegarLoop]: Abstraction has 2960 states and 3725 transitions. [2018-12-03 05:19:31,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 05:19:31,907 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 3725 transitions. [2018-12-03 05:19:31,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2018-12-03 05:19:31,910 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:19:31,910 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:19:31,910 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:19:31,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:19:31,910 INFO L82 PathProgramCache]: Analyzing trace with hash -641499046, now seen corresponding path program 1 times [2018-12-03 05:19:31,910 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:19:31,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:19:31,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:19:31,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:19:31,911 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:19:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:19:32,035 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2018-12-03 05:19:32,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:19:32,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 05:19:32,035 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:19:32,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 05:19:32,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 05:19:32,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-03 05:19:32,036 INFO L87 Difference]: Start difference. First operand 2960 states and 3725 transitions. Second operand 4 states. [2018-12-03 05:19:32,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:19:32,734 INFO L93 Difference]: Finished difference Result 5916 states and 7650 transitions. [2018-12-03 05:19:32,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 05:19:32,735 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 465 [2018-12-03 05:19:32,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:19:32,743 INFO L225 Difference]: With dead ends: 5916 [2018-12-03 05:19:32,743 INFO L226 Difference]: Without dead ends: 3696 [2018-12-03 05:19:32,746 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-03 05:19:32,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3696 states. [2018-12-03 05:19:32,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3696 to 3514. [2018-12-03 05:19:32,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3514 states. [2018-12-03 05:19:32,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3514 states to 3514 states and 4329 transitions. [2018-12-03 05:19:32,793 INFO L78 Accepts]: Start accepts. Automaton has 3514 states and 4329 transitions. Word has length 465 [2018-12-03 05:19:32,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:19:32,794 INFO L480 AbstractCegarLoop]: Abstraction has 3514 states and 4329 transitions. [2018-12-03 05:19:32,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 05:19:32,794 INFO L276 IsEmpty]: Start isEmpty. Operand 3514 states and 4329 transitions. [2018-12-03 05:19:32,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2018-12-03 05:19:32,798 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:19:32,799 INFO L402 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, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-12-03 05:19:32,799 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:19:32,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:19:32,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1137855798, now seen corresponding path program 1 times [2018-12-03 05:19:32,799 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:19:32,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:19:32,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:19:32,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:19:32,800 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:19:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:19:32,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 394 proven. 278 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2018-12-03 05:19:32,962 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:19:32,962 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:19:32,962 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 546 with the following transitions: [2018-12-03 05:19:32,962 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [614], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-03 05:19:32,964 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:19:32,964 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:19:37,256 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 05:19:37,256 INFO L272 AbstractInterpreter]: Visited 124 different actions 501 times. Merged at 9 different actions 38 times. Widened at 1 different actions 1 times. Performed 4754 root evaluator evaluations with a maximum evaluation depth of 22. Performed 4754 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 10 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-03 05:19:37,258 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:19:37,259 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 05:19:37,259 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:19:37,259 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_15978704-2aa2-4193-b541-9b95543735da/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 [2018-12-03 05:19:37,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:19:37,265 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 05:19:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:19:37,343 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 05:19:37,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 722 proven. 2 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2018-12-03 05:19:37,458 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 05:19:37,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 394 proven. 278 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2018-12-03 05:19:37,620 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 05:19:37,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-03 05:19:37,620 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 05:19:37,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 05:19:37,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 05:19:37,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-12-03 05:19:37,621 INFO L87 Difference]: Start difference. First operand 3514 states and 4329 transitions. Second operand 9 states. [2018-12-03 05:19:39,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:19:39,565 INFO L93 Difference]: Finished difference Result 7804 states and 9864 transitions. [2018-12-03 05:19:39,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-12-03 05:19:39,565 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 545 [2018-12-03 05:19:39,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:19:39,573 INFO L225 Difference]: With dead ends: 7804 [2018-12-03 05:19:39,573 INFO L226 Difference]: Without dead ends: 4478 [2018-12-03 05:19:39,576 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1138 GetRequests, 1106 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=226, Invalid=704, Unknown=0, NotChecked=0, Total=930 [2018-12-03 05:19:39,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4478 states. [2018-12-03 05:19:39,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4478 to 3368. [2018-12-03 05:19:39,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3368 states. [2018-12-03 05:19:39,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3368 states to 3368 states and 3894 transitions. [2018-12-03 05:19:39,614 INFO L78 Accepts]: Start accepts. Automaton has 3368 states and 3894 transitions. Word has length 545 [2018-12-03 05:19:39,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:19:39,614 INFO L480 AbstractCegarLoop]: Abstraction has 3368 states and 3894 transitions. [2018-12-03 05:19:39,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 05:19:39,615 INFO L276 IsEmpty]: Start isEmpty. Operand 3368 states and 3894 transitions. [2018-12-03 05:19:39,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2018-12-03 05:19:39,618 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:19:39,618 INFO L402 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-03 05:19:39,619 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:19:39,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:19:39,619 INFO L82 PathProgramCache]: Analyzing trace with hash -2113294915, now seen corresponding path program 1 times [2018-12-03 05:19:39,619 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:19:39,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:19:39,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:19:39,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:19:39,619 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:19:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:19:40,252 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 469 proven. 299 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-12-03 05:19:40,253 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:19:40,253 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:19:40,253 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 565 with the following transitions: [2018-12-03 05:19:40,253 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [614], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-03 05:19:40,255 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:19:40,256 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:19:44,127 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 05:19:44,127 INFO L272 AbstractInterpreter]: Visited 190 different actions 758 times. Merged at 8 different actions 31 times. Widened at 1 different actions 1 times. Performed 8291 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8291 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-03 05:19:44,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:19:44,128 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 05:19:44,129 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:19:44,129 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_15978704-2aa2-4193-b541-9b95543735da/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 [2018-12-03 05:19:44,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:19:44,134 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 05:19:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:19:44,203 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 05:19:44,333 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2018-12-03 05:19:44,333 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 05:19:44,425 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2018-12-03 05:19:44,440 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-03 05:19:44,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [13] total 14 [2018-12-03 05:19:44,440 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:19:44,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 05:19:44,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 05:19:44,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-12-03 05:19:44,441 INFO L87 Difference]: Start difference. First operand 3368 states and 3894 transitions. Second operand 3 states. [2018-12-03 05:19:44,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:19:44,828 INFO L93 Difference]: Finished difference Result 7464 states and 8808 transitions. [2018-12-03 05:19:44,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 05:19:44,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 564 [2018-12-03 05:19:44,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:19:44,829 INFO L225 Difference]: With dead ends: 7464 [2018-12-03 05:19:44,829 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 05:19:44,834 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1140 GetRequests, 1127 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-12-03 05:19:44,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 05:19:44,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 05:19:44,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 05:19:44,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 05:19:44,834 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 564 [2018-12-03 05:19:44,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:19:44,834 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 05:19:44,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 05:19:44,834 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 05:19:44,834 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 05:19:44,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 05:19:44,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:19:44,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:19:44,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:19:44,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:19:45,614 WARN L180 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 91 [2018-12-03 05:19:45,763 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 05:19:45,763 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-12-03 05:19:45,763 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 05:19:45,763 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-12-03 05:19:45,763 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-12-03 05:19:45,763 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,763 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,763 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,763 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-12-03 05:19:45,763 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-03 05:19:45,763 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-03 05:19:45,763 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-03 05:19:45,763 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-12-03 05:19:45,763 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-12-03 05:19:45,763 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-12-03 05:19:45,764 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-12-03 05:19:45,764 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,764 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,764 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,764 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-12-03 05:19:45,764 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-12-03 05:19:45,764 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-03 05:19:45,764 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-03 05:19:45,764 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-03 05:19:45,764 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-12-03 05:19:45,764 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-12-03 05:19:45,764 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-12-03 05:19:45,764 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,764 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,764 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,764 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-12-03 05:19:45,764 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-03 05:19:45,764 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-03 05:19:45,764 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-03 05:19:45,764 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-12-03 05:19:45,764 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-12-03 05:19:45,764 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-12-03 05:19:45,764 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-12-03 05:19:45,765 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-12-03 05:19:45,765 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,765 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,765 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,765 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-12-03 05:19:45,765 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-03 05:19:45,765 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-03 05:19:45,765 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-03 05:19:45,765 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-12-03 05:19:45,765 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-12-03 05:19:45,765 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-12-03 05:19:45,765 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,765 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,765 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,765 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-12-03 05:19:45,765 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-03 05:19:45,765 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-03 05:19:45,765 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-03 05:19:45,765 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-12-03 05:19:45,765 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-12-03 05:19:45,765 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-12-03 05:19:45,765 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-12-03 05:19:45,765 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-12-03 05:19:45,765 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,766 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,766 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,766 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,766 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-12-03 05:19:45,766 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-03 05:19:45,766 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-03 05:19:45,766 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-03 05:19:45,766 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-12-03 05:19:45,766 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-12-03 05:19:45,766 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-12-03 05:19:45,766 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-12-03 05:19:45,766 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,766 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,766 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,766 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-03 05:19:45,766 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-03 05:19:45,766 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-03 05:19:45,766 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-12-03 05:19:45,766 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-12-03 05:19:45,766 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-12-03 05:19:45,766 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-12-03 05:19:45,766 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-12-03 05:19:45,766 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,766 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,766 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,767 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-12-03 05:19:45,767 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-12-03 05:19:45,767 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-03 05:19:45,767 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-03 05:19:45,767 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-03 05:19:45,767 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-12-03 05:19:45,767 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse1 (= 8 |old(~a15~0)|))) (let ((.cse8 (not (= 1 |old(~a24~0)|))) (.cse9 (not .cse1)) (.cse11 (= |calculate_output_#in~input| 0)) (.cse3 (= 9 |old(~a15~0)|))) (let ((.cse4 (<= (+ ~a12~0 43) 0)) (.cse2 (< 0 (+ |old(~a12~0)| 43))) (.cse14 (= 10 ~a21~0)) (.cse6 (not .cse3)) (.cse13 (not (= 10 |old(~a21~0)|))) (.cse19 (< 11 ~a12~0)) (.cse15 (or (= 0 |old(~a21~0)|) .cse8 .cse9 .cse11)) (.cse7 (<= |old(~a12~0)| 11)) (.cse10 (not (= 0 (+ |old(~a12~0)| 49)))) (.cse12 (= (+ ~a12~0 49) 0)) (.cse17 (= ~a24~0 1)) (.cse5 (not (= 8 ~a21~0))) (.cse0 (= 8 |old(~a21~0)|)) (.cse20 (= 5 |old(~a15~0)|)) (.cse16 (<= ~a21~0 |old(~a21~0)|)) (.cse18 (= |old(~a15~0)| ~a15~0))) (and (or (or .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5)) (or .cse6 .cse0 .cse7 .cse5) (or (not (= 7 |old(~a21~0)|)) .cse8 .cse9 .cse10 .cse11 (and .cse12 (= ~a21~0 7))) (or .cse13 .cse12 .cse11 (or .cse8 .cse9 .cse10)) (or .cse13 .cse4 .cse8 .cse11 .cse2) (or .cse14 .cse13 .cse8 .cse9 .cse11) (or .cse15 (and (not (= ~a21~0 0)) .cse16 .cse17 .cse18)) (or .cse6 .cse13 .cse4 .cse2) (or .cse14 .cse6 .cse13) (or (and .cse19 .cse16 .cse18) .cse7 .cse1) (or .cse19 .cse15 .cse7) (or (or (or (not (= 6 |old(~a21~0)|)) (not .cse20)) .cse8 .cse10 .cse11) (and (= ~a21~0 6) .cse12 .cse17)) (or (and .cse16 .cse5 .cse18) (and (or .cse0 .cse1) (or .cse20 .cse1)) (and .cse16 (not (= 5 ~a15~0)) .cse18)))))) [2018-12-03 05:19:45,767 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-12-03 05:19:45,767 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-12-03 05:19:45,767 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,767 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,767 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,767 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-03 05:19:45,767 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-03 05:19:45,767 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-03 05:19:45,767 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-12-03 05:19:45,767 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-12-03 05:19:45,767 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-12-03 05:19:45,768 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-12-03 05:19:45,768 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-12-03 05:19:45,768 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,768 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,768 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,768 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-12-03 05:19:45,768 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-12-03 05:19:45,768 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-03 05:19:45,768 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-03 05:19:45,768 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-03 05:19:45,768 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-12-03 05:19:45,768 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-12-03 05:19:45,768 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-12-03 05:19:45,768 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,768 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,768 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,768 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-12-03 05:19:45,768 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-03 05:19:45,768 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-03 05:19:45,768 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-03 05:19:45,768 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-12-03 05:19:45,768 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-12-03 05:19:45,768 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-12-03 05:19:45,768 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-12-03 05:19:45,768 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,769 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,769 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,769 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-12-03 05:19:45,769 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-03 05:19:45,769 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-03 05:19:45,769 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-03 05:19:45,769 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-12-03 05:19:45,769 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-12-03 05:19:45,769 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-12-03 05:19:45,769 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-12-03 05:19:45,769 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,769 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,769 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-12-03 05:19:45,769 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-03 05:19:45,769 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-03 05:19:45,769 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2018-12-03 05:19:45,769 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-12-03 05:19:45,769 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-12-03 05:19:45,769 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-12-03 05:19:45,769 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-12-03 05:19:45,769 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-12-03 05:19:45,769 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,769 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,769 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-12-03 05:19:45,770 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-03 05:19:45,770 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-03 05:19:45,770 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-12-03 05:19:45,770 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-12-03 05:19:45,770 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-12-03 05:19:45,770 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,770 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,770 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-12-03 05:19:45,770 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-12-03 05:19:45,770 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-03 05:19:45,770 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-03 05:19:45,770 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-12-03 05:19:45,770 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-12-03 05:19:45,770 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-12-03 05:19:45,770 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-12-03 05:19:45,770 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,770 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,770 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-12-03 05:19:45,770 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-12-03 05:19:45,770 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-03 05:19:45,770 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-03 05:19:45,770 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-12-03 05:19:45,770 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-12-03 05:19:45,770 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-12-03 05:19:45,770 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,771 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,771 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,771 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-12-03 05:19:45,771 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-12-03 05:19:45,771 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-03 05:19:45,771 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-03 05:19:45,771 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-12-03 05:19:45,771 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-12-03 05:19:45,771 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,771 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,771 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-03 05:19:45,771 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,771 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-12-03 05:19:45,771 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-12-03 05:19:45,771 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-12-03 05:19:45,771 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-03 05:19:45,771 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-03 05:19:45,771 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-03 05:19:45,771 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-12-03 05:19:45,771 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-12-03 05:19:45,771 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-12-03 05:19:45,771 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-12-03 05:19:45,771 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,771 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,771 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,772 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-12-03 05:19:45,772 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-03 05:19:45,772 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-03 05:19:45,772 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-03 05:19:45,772 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-12-03 05:19:45,772 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-12-03 05:19:45,772 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-12-03 05:19:45,772 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-12-03 05:19:45,772 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,772 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,772 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,772 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-12-03 05:19:45,772 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-12-03 05:19:45,772 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-03 05:19:45,772 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-03 05:19:45,772 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-03 05:19:45,772 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-12-03 05:19:45,772 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-12-03 05:19:45,772 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-12-03 05:19:45,772 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,772 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,772 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,772 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-12-03 05:19:45,772 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-03 05:19:45,772 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-03 05:19:45,772 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-03 05:19:45,773 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-12-03 05:19:45,773 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-12-03 05:19:45,773 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-12-03 05:19:45,773 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-12-03 05:19:45,773 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-12-03 05:19:45,773 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,773 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,773 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-12-03 05:19:45,773 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-12-03 05:19:45,773 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-03 05:19:45,773 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-03 05:19:45,773 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-03 05:19:45,773 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-12-03 05:19:45,773 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 05:19:45,773 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) [2018-12-03 05:19:45,773 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 05:19:45,773 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 05:19:45,773 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7) (= |old(~a15~0)| ~a15~0))) [2018-12-03 05:19:45,773 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-12-03 05:19:45,773 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (not (= ~a15~0 8)))) (or (and (not (= ~a21~0 0)) (not (= main_~input~0 0)) (= ~a24~0 1) (= ~a15~0 |old(~a15~0)|)) (and .cse0 (not (= 5 ~a15~0))) (not (= 8 |old(~a15~0)|)) (and .cse0 (not (= 8 ~a21~0))) (and (< 11 ~a12~0) .cse0) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49))))) [2018-12-03 05:19:45,773 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-12-03 05:19:45,774 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-12-03 05:19:45,774 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (not (= ~a15~0 8)))) (or (not (= 8 |old(~a15~0)|)) (and .cse0 (not (= 5 ~a15~0))) (and .cse0 (not (= 8 ~a21~0))) (and (< 11 ~a12~0) .cse0) (not (= 7 |old(~a21~0)|)) (and (not (= ~a21~0 0)) (= ~a24~0 1) (= ~a15~0 |old(~a15~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49))))) [2018-12-03 05:19:45,774 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-12-03 05:19:45,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 05:19:45 BoogieIcfgContainer [2018-12-03 05:19:45,781 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 05:19:45,781 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 05:19:45,781 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 05:19:45,781 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 05:19:45,781 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:18:03" (3/4) ... [2018-12-03 05:19:45,784 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 05:19:45,788 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 05:19:45,788 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-03 05:19:45,788 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 05:19:45,796 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-03 05:19:45,797 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-03 05:19:45,815 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(8 == \old(a15)) || (!(a15 == 8) && !(5 == a15))) || (!(a15 == 8) && !(8 == a21))) || (11 < a12 && !(a15 == 8))) || !(7 == \old(a21))) || ((!(a21 == 0) && a24 == 1) && a15 == \old(a15))) || !(1 == \old(a24))) || !(0 == \old(a12) + 49) [2018-12-03 05:19:45,887 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_15978704-2aa2-4193-b541-9b95543735da/bin-2019/utaipan/witness.graphml [2018-12-03 05:19:45,887 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 05:19:45,888 INFO L168 Benchmark]: Toolchain (without parser) took 103623.19 ms. Allocated memory was 1.0 GB in the beginning and 4.2 GB in the end (delta: 3.2 GB). Free memory was 941.7 MB in the beginning and 2.9 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-03 05:19:45,888 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 05:19:45,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 70.3 MB). Free memory was 941.7 MB in the beginning and 1.0 GB in the end (delta: -107.7 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. [2018-12-03 05:19:45,889 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.16 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 05:19:45,889 INFO L168 Benchmark]: Boogie Preprocessor took 41.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-12-03 05:19:45,889 INFO L168 Benchmark]: RCFGBuilder took 741.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 918.1 MB in the end (delta: 123.9 MB). Peak memory consumption was 123.9 MB. Max. memory is 11.5 GB. [2018-12-03 05:19:45,890 INFO L168 Benchmark]: TraceAbstraction took 102337.94 ms. Allocated memory was 1.1 GB in the beginning and 4.2 GB in the end (delta: 3.1 GB). Free memory was 918.1 MB in the beginning and 3.0 GB in the end (delta: -2.0 GB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-03 05:19:45,890 INFO L168 Benchmark]: Witness Printer took 105.88 ms. Allocated memory is still 4.2 GB. Free memory was 3.0 GB in the beginning and 2.9 GB in the end (delta: 68.4 MB). Peak memory consumption was 68.4 MB. Max. memory is 11.5 GB. [2018-12-03 05:19:45,891 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 372.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 70.3 MB). Free memory was 941.7 MB in the beginning and 1.0 GB in the end (delta: -107.7 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.16 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 741.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 918.1 MB in the end (delta: 123.9 MB). Peak memory consumption was 123.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 102337.94 ms. Allocated memory was 1.1 GB in the beginning and 4.2 GB in the end (delta: 3.1 GB). Free memory was 918.1 MB in the beginning and 3.0 GB in the end (delta: -2.0 GB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 105.88 ms. Allocated memory is still 4.2 GB. Free memory was 3.0 GB in the beginning and 2.9 GB in the end (delta: 68.4 MB). Peak memory consumption was 68.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 187]: 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: 880]: Loop Invariant Derived loop invariant: ((((((!(8 == \old(a15)) || (!(a15 == 8) && !(5 == a15))) || (!(a15 == 8) && !(8 == a21))) || (11 < a12 && !(a15 == 8))) || !(7 == \old(a21))) || ((!(a21 == 0) && a24 == 1) && a15 == \old(a15))) || !(1 == \old(a24))) || !(0 == \old(a12) + 49) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 102.2s OverallTime, 10 OverallIterations, 6 TraceHistogramMax, 80.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1020 SDtfs, 5667 SDslu, 479 SDs, 0 SdLazy, 11493 SolverSat, 2095 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 72.1s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 3705 GetRequests, 3592 SyntacticMatches, 5 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3514occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 14.5s AbstIntTime, 6 AbstIntIterations, 4 AbstIntStrong, 0.9971672738785258 AbsIntWeakeningRatio, 0.09315866084425037 AbsIntAvgWeakeningVarsNumRemoved, 16.307132459970887 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 1724 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 123 PreInvPairs, 173 NumberOfFragments, 495 HoareAnnotationTreeSize, 123 FomulaSimplifications, 4719 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3302 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 4485 NumberOfCodeBlocks, 4485 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 5580 ConstructedInterpolants, 0 QuantifiedInterpolants, 10133137 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1664 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 14 InterpolantComputations, 6 PerfectInterpolantSequences, 7250/8489 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...