./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label49_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4e87458b-7ff9-48e0-8234-2aa05d8370c4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4e87458b-7ff9-48e0-8234-2aa05d8370c4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4e87458b-7ff9-48e0-8234-2aa05d8370c4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4e87458b-7ff9-48e0-8234-2aa05d8370c4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label49_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4e87458b-7ff9-48e0-8234-2aa05d8370c4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4e87458b-7ff9-48e0-8234-2aa05d8370c4/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 95000caaa926e46a44fd070da2a40a84b9e2d593 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:24:20,471 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:24:20,472 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:24:20,478 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:24:20,478 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:24:20,479 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:24:20,480 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:24:20,481 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:24:20,482 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:24:20,483 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:24:20,484 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:24:20,484 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:24:20,484 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:24:20,485 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:24:20,486 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:24:20,486 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:24:20,487 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:24:20,488 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:24:20,489 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:24:20,490 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:24:20,491 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:24:20,492 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:24:20,493 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:24:20,494 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:24:20,494 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:24:20,495 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:24:20,496 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:24:20,496 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:24:20,497 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:24:20,497 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:24:20,497 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:24:20,498 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:24:20,498 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:24:20,498 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:24:20,499 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:24:20,499 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:24:20,499 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4e87458b-7ff9-48e0-8234-2aa05d8370c4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:24:20,507 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:24:20,508 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:24:20,508 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:24:20,508 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:24:20,508 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:24:20,509 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:24:20,509 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:24:20,509 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:24:20,509 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:24:20,509 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:24:20,509 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:24:20,509 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:24:20,509 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:24:20,510 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:24:20,510 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:24:20,510 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:24:20,510 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:24:20,511 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:24:20,511 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:24:20,511 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:24:20,511 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:24:20,511 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:24:20,511 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:24:20,511 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:24:20,511 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:24:20,512 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:24:20,512 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:24:20,512 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:24:20,512 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:24:20,512 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:24:20,512 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:24:20,512 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:24:20,512 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:24:20,512 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:24:20,513 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:24:20,513 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:24:20,513 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:24:20,513 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_4e87458b-7ff9-48e0-8234-2aa05d8370c4/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 -> 95000caaa926e46a44fd070da2a40a84b9e2d593 [2018-11-18 17:24:20,536 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:24:20,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:24:20,548 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:24:20,549 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:24:20,550 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:24:20,550 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4e87458b-7ff9-48e0-8234-2aa05d8370c4/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label49_true-unreach-call_false-termination.c [2018-11-18 17:24:20,595 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e87458b-7ff9-48e0-8234-2aa05d8370c4/bin-2019/utaipan/data/a42855e21/a0024676831e4c26845866b2d44e14d4/FLAGb7d584479 [2018-11-18 17:24:21,065 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:24:21,066 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4e87458b-7ff9-48e0-8234-2aa05d8370c4/sv-benchmarks/c/eca-rers2012/Problem02_label49_true-unreach-call_false-termination.c [2018-11-18 17:24:21,075 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e87458b-7ff9-48e0-8234-2aa05d8370c4/bin-2019/utaipan/data/a42855e21/a0024676831e4c26845866b2d44e14d4/FLAGb7d584479 [2018-11-18 17:24:21,569 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4e87458b-7ff9-48e0-8234-2aa05d8370c4/bin-2019/utaipan/data/a42855e21/a0024676831e4c26845866b2d44e14d4 [2018-11-18 17:24:21,571 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:24:21,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:24:21,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:24:21,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:24:21,575 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:24:21,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:24:21" (1/1) ... [2018-11-18 17:24:21,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da0b297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:21, skipping insertion in model container [2018-11-18 17:24:21,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:24:21" (1/1) ... [2018-11-18 17:24:21,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:24:21,629 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:24:21,887 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:24:21,890 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:24:21,955 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:24:21,965 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:24:21,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:21 WrapperNode [2018-11-18 17:24:21,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:24:21,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:24:21,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:24:21,966 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:24:22,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:21" (1/1) ... [2018-11-18 17:24:22,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:21" (1/1) ... [2018-11-18 17:24:22,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:24:22,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:24:22,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:24:22,032 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:24:22,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:21" (1/1) ... [2018-11-18 17:24:22,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:21" (1/1) ... [2018-11-18 17:24:22,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:21" (1/1) ... [2018-11-18 17:24:22,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:21" (1/1) ... [2018-11-18 17:24:22,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:21" (1/1) ... [2018-11-18 17:24:22,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:21" (1/1) ... [2018-11-18 17:24:22,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:21" (1/1) ... [2018-11-18 17:24:22,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:24:22,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:24:22,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:24:22,081 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:24:22,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e87458b-7ff9-48e0-8234-2aa05d8370c4/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:24:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 17:24:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:24:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:24:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 17:24:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 17:24:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:24:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:24:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:24:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:24:22,808 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:24:22,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:24:22 BoogieIcfgContainer [2018-11-18 17:24:22,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:24:22,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:24:22,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:24:22,812 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:24:22,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:24:21" (1/3) ... [2018-11-18 17:24:22,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f21673f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:24:22, skipping insertion in model container [2018-11-18 17:24:22,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:21" (2/3) ... [2018-11-18 17:24:22,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f21673f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:24:22, skipping insertion in model container [2018-11-18 17:24:22,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:24:22" (3/3) ... [2018-11-18 17:24:22,815 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label49_true-unreach-call_false-termination.c [2018-11-18 17:24:22,821 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:24:22,826 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:24:22,835 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:24:22,857 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:24:22,857 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:24:22,857 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:24:22,857 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:24:22,857 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:24:22,858 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:24:22,858 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:24:22,858 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:24:22,875 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-18 17:24:22,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 17:24:22,884 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:24:22,885 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:24:22,886 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:24:22,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:22,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1826364152, now seen corresponding path program 1 times [2018-11-18 17:24:22,891 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:24:22,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:22,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:24:22,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:22,925 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:24:23,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:23,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:24:23,219 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:24:23,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:24:23,220 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:24:23,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:24:23,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:24:23,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:24:23,238 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-18 17:24:23,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:24:23,719 INFO L93 Difference]: Finished difference Result 621 states and 1059 transitions. [2018-11-18 17:24:23,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:24:23,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2018-11-18 17:24:23,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:24:23,730 INFO L225 Difference]: With dead ends: 621 [2018-11-18 17:24:23,730 INFO L226 Difference]: Without dead ends: 382 [2018-11-18 17:24:23,733 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:24:23,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-11-18 17:24:23,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2018-11-18 17:24:23,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-11-18 17:24:23,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 608 transitions. [2018-11-18 17:24:23,775 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 608 transitions. Word has length 132 [2018-11-18 17:24:23,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:24:23,776 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 608 transitions. [2018-11-18 17:24:23,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:24:23,776 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 608 transitions. [2018-11-18 17:24:23,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 17:24:23,778 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:24:23,779 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:24:23,779 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:24:23,779 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:23,779 INFO L82 PathProgramCache]: Analyzing trace with hash 660432277, now seen corresponding path program 1 times [2018-11-18 17:24:23,780 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:24:23,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:23,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:24:23,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:23,781 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:24:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:23,976 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:24:23,976 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:24:23,976 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 17:24:23,976 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:24:23,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 17:24:23,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 17:24:23,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:24:23,978 INFO L87 Difference]: Start difference. First operand 382 states and 608 transitions. Second operand 5 states. [2018-11-18 17:24:24,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:24:24,450 INFO L93 Difference]: Finished difference Result 903 states and 1497 transitions. [2018-11-18 17:24:24,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 17:24:24,450 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2018-11-18 17:24:24,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:24:24,453 INFO L225 Difference]: With dead ends: 903 [2018-11-18 17:24:24,453 INFO L226 Difference]: Without dead ends: 381 [2018-11-18 17:24:24,456 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:24:24,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-11-18 17:24:24,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2018-11-18 17:24:24,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-11-18 17:24:24,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 602 transitions. [2018-11-18 17:24:24,472 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 602 transitions. Word has length 141 [2018-11-18 17:24:24,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:24:24,472 INFO L480 AbstractCegarLoop]: Abstraction has 381 states and 602 transitions. [2018-11-18 17:24:24,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 17:24:24,472 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 602 transitions. [2018-11-18 17:24:24,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 17:24:24,475 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:24:24,475 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:24:24,475 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:24:24,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:24,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1332602505, now seen corresponding path program 1 times [2018-11-18 17:24:24,476 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:24:24,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:24,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:24:24,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:24,477 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:24:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:24,681 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:24:24,681 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:24:24,681 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 17:24:24,682 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:24:24,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 17:24:24,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 17:24:24,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:24:24,683 INFO L87 Difference]: Start difference. First operand 381 states and 602 transitions. Second operand 5 states. [2018-11-18 17:24:25,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:24:25,166 INFO L93 Difference]: Finished difference Result 901 states and 1482 transitions. [2018-11-18 17:24:25,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 17:24:25,166 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2018-11-18 17:24:25,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:24:25,170 INFO L225 Difference]: With dead ends: 901 [2018-11-18 17:24:25,170 INFO L226 Difference]: Without dead ends: 380 [2018-11-18 17:24:25,172 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:24:25,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-11-18 17:24:25,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2018-11-18 17:24:25,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-11-18 17:24:25,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 594 transitions. [2018-11-18 17:24:25,182 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 594 transitions. Word has length 147 [2018-11-18 17:24:25,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:24:25,183 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 594 transitions. [2018-11-18 17:24:25,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 17:24:25,183 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 594 transitions. [2018-11-18 17:24:25,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 17:24:25,185 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:24:25,185 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:24:25,185 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:24:25,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:25,186 INFO L82 PathProgramCache]: Analyzing trace with hash -203936942, now seen corresponding path program 1 times [2018-11-18 17:24:25,186 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:24:25,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:25,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:24:25,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:25,187 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:24:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:25,276 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:24:25,277 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:24:25,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:24:25,277 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:24:25,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:24:25,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:24:25,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:24:25,278 INFO L87 Difference]: Start difference. First operand 380 states and 594 transitions. Second operand 6 states. [2018-11-18 17:24:25,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:24:25,945 INFO L93 Difference]: Finished difference Result 1193 states and 1942 transitions. [2018-11-18 17:24:25,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:24:25,946 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 155 [2018-11-18 17:24:25,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:24:25,948 INFO L225 Difference]: With dead ends: 1193 [2018-11-18 17:24:25,949 INFO L226 Difference]: Without dead ends: 819 [2018-11-18 17:24:25,950 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:24:25,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-11-18 17:24:25,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 807. [2018-11-18 17:24:25,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 807 states. [2018-11-18 17:24:25,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1208 transitions. [2018-11-18 17:24:25,971 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 1208 transitions. Word has length 155 [2018-11-18 17:24:25,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:24:25,972 INFO L480 AbstractCegarLoop]: Abstraction has 807 states and 1208 transitions. [2018-11-18 17:24:25,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:24:25,972 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1208 transitions. [2018-11-18 17:24:25,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 17:24:25,973 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:24:25,974 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:24:25,974 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:24:25,974 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:25,974 INFO L82 PathProgramCache]: Analyzing trace with hash -749626802, now seen corresponding path program 1 times [2018-11-18 17:24:25,974 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:24:25,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:25,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:24:25,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:25,975 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:24:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:26,113 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:24:26,113 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:24:26,113 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 17:24:26,114 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:24:26,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 17:24:26,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 17:24:26,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:24:26,114 INFO L87 Difference]: Start difference. First operand 807 states and 1208 transitions. Second operand 5 states. [2018-11-18 17:24:26,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:24:26,558 INFO L93 Difference]: Finished difference Result 1753 states and 2669 transitions. [2018-11-18 17:24:26,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 17:24:26,558 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2018-11-18 17:24:26,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:24:26,560 INFO L225 Difference]: With dead ends: 1753 [2018-11-18 17:24:26,560 INFO L226 Difference]: Without dead ends: 804 [2018-11-18 17:24:26,562 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:24:26,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2018-11-18 17:24:26,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 804. [2018-11-18 17:24:26,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2018-11-18 17:24:26,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1190 transitions. [2018-11-18 17:24:26,579 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1190 transitions. Word has length 157 [2018-11-18 17:24:26,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:24:26,579 INFO L480 AbstractCegarLoop]: Abstraction has 804 states and 1190 transitions. [2018-11-18 17:24:26,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 17:24:26,580 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1190 transitions. [2018-11-18 17:24:26,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 17:24:26,581 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:24:26,581 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:24:26,581 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:24:26,582 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:26,582 INFO L82 PathProgramCache]: Analyzing trace with hash -650421942, now seen corresponding path program 1 times [2018-11-18 17:24:26,582 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:24:26,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:26,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:24:26,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:26,583 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:24:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:26,692 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:24:26,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:24:26,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 17:24:26,692 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:24:26,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 17:24:26,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 17:24:26,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:24:26,693 INFO L87 Difference]: Start difference. First operand 804 states and 1190 transitions. Second operand 5 states. [2018-11-18 17:24:27,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:24:27,103 INFO L93 Difference]: Finished difference Result 1747 states and 2630 transitions. [2018-11-18 17:24:27,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 17:24:27,103 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159 [2018-11-18 17:24:27,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:24:27,106 INFO L225 Difference]: With dead ends: 1747 [2018-11-18 17:24:27,106 INFO L226 Difference]: Without dead ends: 801 [2018-11-18 17:24:27,108 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:24:27,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2018-11-18 17:24:27,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 801. [2018-11-18 17:24:27,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2018-11-18 17:24:27,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1169 transitions. [2018-11-18 17:24:27,121 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1169 transitions. Word has length 159 [2018-11-18 17:24:27,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:24:27,121 INFO L480 AbstractCegarLoop]: Abstraction has 801 states and 1169 transitions. [2018-11-18 17:24:27,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 17:24:27,122 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1169 transitions. [2018-11-18 17:24:27,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-18 17:24:27,124 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:24:27,125 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:24:27,125 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:24:27,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:27,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1376765762, now seen corresponding path program 1 times [2018-11-18 17:24:27,125 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:24:27,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:27,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:24:27,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:27,126 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:24:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:27,183 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:24:27,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:24:27,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:24:27,184 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:24:27,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:24:27,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:24:27,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:24:27,184 INFO L87 Difference]: Start difference. First operand 801 states and 1169 transitions. Second operand 6 states. [2018-11-18 17:24:27,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:24:27,905 INFO L93 Difference]: Finished difference Result 2381 states and 3621 transitions. [2018-11-18 17:24:27,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:24:27,906 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2018-11-18 17:24:27,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:24:27,912 INFO L225 Difference]: With dead ends: 2381 [2018-11-18 17:24:27,912 INFO L226 Difference]: Without dead ends: 1586 [2018-11-18 17:24:27,915 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:24:27,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2018-11-18 17:24:27,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1558. [2018-11-18 17:24:27,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1558 states. [2018-11-18 17:24:27,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2225 transitions. [2018-11-18 17:24:27,952 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2225 transitions. Word has length 163 [2018-11-18 17:24:27,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:24:27,953 INFO L480 AbstractCegarLoop]: Abstraction has 1558 states and 2225 transitions. [2018-11-18 17:24:27,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:24:27,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2225 transitions. [2018-11-18 17:24:27,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 17:24:27,958 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:24:27,958 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:24:27,959 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:24:27,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:27,959 INFO L82 PathProgramCache]: Analyzing trace with hash 213430480, now seen corresponding path program 1 times [2018-11-18 17:24:27,959 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:24:27,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:27,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:24:27,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:27,960 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:24:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:28,049 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:24:28,049 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:24:28,049 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:24:28,050 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 199 with the following transitions: [2018-11-18 17:24:28,052 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [107], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [727], [729], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:24:28,078 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:24:28,078 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:24:28,560 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:24:28,562 INFO L272 AbstractInterpreter]: Visited 136 different actions 266 times. Merged at 5 different actions 5 times. Never widened. Performed 2967 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2967 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-18 17:24:28,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:28,568 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:24:28,926 INFO L227 lantSequenceWeakener]: Weakened 195 states. On average, predicates are now at 82.75% of their original sizes. [2018-11-18 17:24:28,926 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:24:28,971 INFO L415 sIntCurrentIteration]: We unified 197 AI predicates to 197 [2018-11-18 17:24:28,971 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:24:28,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:24:28,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 17:24:28,972 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:24:28,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 17:24:28,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 17:24:28,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:24:28,973 INFO L87 Difference]: Start difference. First operand 1558 states and 2225 transitions. Second operand 10 states. [2018-11-18 17:24:32,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:24:32,549 INFO L93 Difference]: Finished difference Result 3925 states and 5567 transitions. [2018-11-18 17:24:32,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 17:24:32,549 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 198 [2018-11-18 17:24:32,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:24:32,554 INFO L225 Difference]: With dead ends: 3925 [2018-11-18 17:24:32,554 INFO L226 Difference]: Without dead ends: 2373 [2018-11-18 17:24:32,558 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 207 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 17:24:32,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2373 states. [2018-11-18 17:24:32,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2373 to 2302. [2018-11-18 17:24:32,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2302 states. [2018-11-18 17:24:32,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2302 states to 2302 states and 3078 transitions. [2018-11-18 17:24:32,634 INFO L78 Accepts]: Start accepts. Automaton has 2302 states and 3078 transitions. Word has length 198 [2018-11-18 17:24:32,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:24:32,634 INFO L480 AbstractCegarLoop]: Abstraction has 2302 states and 3078 transitions. [2018-11-18 17:24:32,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 17:24:32,634 INFO L276 IsEmpty]: Start isEmpty. Operand 2302 states and 3078 transitions. [2018-11-18 17:24:32,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-18 17:24:32,641 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:24:32,641 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:24:32,641 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:24:32,642 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:32,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1831098819, now seen corresponding path program 1 times [2018-11-18 17:24:32,642 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:24:32,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:32,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:24:32,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:32,643 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:24:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:32,792 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 85 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:24:32,793 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:24:32,793 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:24:32,793 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 204 with the following transitions: [2018-11-18 17:24:32,793 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [119], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [727], [729], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:24:32,797 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:24:32,797 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:24:33,108 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:24:33,108 INFO L272 AbstractInterpreter]: Visited 138 different actions 414 times. Merged at 8 different actions 24 times. Never widened. Performed 4843 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4843 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 17:24:33,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:33,111 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:24:33,111 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:24:33,111 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e87458b-7ff9-48e0-8234-2aa05d8370c4/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:24:33,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:24:33,120 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:24:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:33,194 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:24:33,267 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 100 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 17:24:33,267 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:24:33,355 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 100 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 17:24:33,383 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:24:33,383 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2018-11-18 17:24:33,384 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:24:33,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-18 17:24:33,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-18 17:24:33,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-11-18 17:24:33,385 INFO L87 Difference]: Start difference. First operand 2302 states and 3078 transitions. Second operand 14 states. [2018-11-18 17:24:35,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:24:35,217 INFO L93 Difference]: Finished difference Result 7743 states and 10793 transitions. [2018-11-18 17:24:35,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 17:24:35,218 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 203 [2018-11-18 17:24:35,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:24:35,225 INFO L225 Difference]: With dead ends: 7743 [2018-11-18 17:24:35,225 INFO L226 Difference]: Without dead ends: 3066 [2018-11-18 17:24:35,233 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 418 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2018-11-18 17:24:35,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3066 states. [2018-11-18 17:24:35,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3066 to 3043. [2018-11-18 17:24:35,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3043 states. [2018-11-18 17:24:35,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3043 states to 3043 states and 3614 transitions. [2018-11-18 17:24:35,271 INFO L78 Accepts]: Start accepts. Automaton has 3043 states and 3614 transitions. Word has length 203 [2018-11-18 17:24:35,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:24:35,271 INFO L480 AbstractCegarLoop]: Abstraction has 3043 states and 3614 transitions. [2018-11-18 17:24:35,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-18 17:24:35,271 INFO L276 IsEmpty]: Start isEmpty. Operand 3043 states and 3614 transitions. [2018-11-18 17:24:35,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 17:24:35,276 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:24:35,277 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:24:35,277 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:24:35,277 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:35,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1918756425, now seen corresponding path program 1 times [2018-11-18 17:24:35,277 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:24:35,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:35,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:24:35,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:35,278 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:24:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:35,654 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 232 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:24:35,654 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:24:35,654 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:24:35,654 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 283 with the following transitions: [2018-11-18 17:24:35,655 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [233], [236], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [727], [729], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:24:35,659 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:24:35,659 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:24:35,957 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:24:35,958 INFO L272 AbstractInterpreter]: Visited 140 different actions 550 times. Merged at 8 different actions 30 times. Never widened. Performed 6339 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6339 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 17:24:35,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:35,967 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:24:35,967 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:24:35,967 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e87458b-7ff9-48e0-8234-2aa05d8370c4/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:24:35,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:24:35,976 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:24:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:36,036 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:24:36,128 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 230 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 17:24:36,128 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:24:36,231 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 230 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 17:24:36,247 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:24:36,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 6, 6] total 22 [2018-11-18 17:24:36,247 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:24:36,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-18 17:24:36,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-18 17:24:36,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2018-11-18 17:24:36,248 INFO L87 Difference]: Start difference. First operand 3043 states and 3614 transitions. Second operand 20 states. [2018-11-18 17:24:41,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:24:41,285 INFO L93 Difference]: Finished difference Result 7019 states and 9078 transitions. [2018-11-18 17:24:41,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-11-18 17:24:41,285 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 282 [2018-11-18 17:24:41,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:24:41,301 INFO L225 Difference]: With dead ends: 7019 [2018-11-18 17:24:41,301 INFO L226 Difference]: Without dead ends: 3754 [2018-11-18 17:24:41,310 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 673 GetRequests, 592 SyntacticMatches, 2 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1971 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1295, Invalid=5185, Unknown=0, NotChecked=0, Total=6480 [2018-11-18 17:24:41,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3754 states. [2018-11-18 17:24:41,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3754 to 3094. [2018-11-18 17:24:41,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3094 states. [2018-11-18 17:24:41,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3094 states to 3094 states and 3592 transitions. [2018-11-18 17:24:41,394 INFO L78 Accepts]: Start accepts. Automaton has 3094 states and 3592 transitions. Word has length 282 [2018-11-18 17:24:41,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:24:41,395 INFO L480 AbstractCegarLoop]: Abstraction has 3094 states and 3592 transitions. [2018-11-18 17:24:41,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-18 17:24:41,395 INFO L276 IsEmpty]: Start isEmpty. Operand 3094 states and 3592 transitions. [2018-11-18 17:24:41,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-18 17:24:41,403 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:24:41,403 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-11-18 17:24:41,403 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:24:41,403 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:41,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1757225332, now seen corresponding path program 1 times [2018-11-18 17:24:41,404 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:24:41,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:41,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:24:41,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:41,404 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:24:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:41,511 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 178 proven. 13 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 17:24:41,511 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:24:41,511 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:24:41,511 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 286 with the following transitions: [2018-11-18 17:24:41,511 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [312], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [727], [729], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:24:41,514 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:24:41,514 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:24:41,784 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:24:41,784 INFO L272 AbstractInterpreter]: Visited 137 different actions 407 times. Merged at 7 different actions 18 times. Never widened. Performed 4637 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4637 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 17:24:41,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:41,798 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:24:42,111 INFO L227 lantSequenceWeakener]: Weakened 280 states. On average, predicates are now at 84.56% of their original sizes. [2018-11-18 17:24:42,112 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:24:42,178 INFO L415 sIntCurrentIteration]: We unified 284 AI predicates to 284 [2018-11-18 17:24:42,178 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:24:42,179 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:24:42,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 17:24:42,179 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:24:42,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 17:24:42,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 17:24:42,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:24:42,179 INFO L87 Difference]: Start difference. First operand 3094 states and 3592 transitions. Second operand 10 states. [2018-11-18 17:24:44,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:24:44,130 INFO L93 Difference]: Finished difference Result 5951 states and 6963 transitions. [2018-11-18 17:24:44,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 17:24:44,130 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 285 [2018-11-18 17:24:44,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:24:44,131 INFO L225 Difference]: With dead ends: 5951 [2018-11-18 17:24:44,131 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:24:44,138 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 295 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-18 17:24:44,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:24:44,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:24:44,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:24:44,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:24:44,139 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 285 [2018-11-18 17:24:44,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:24:44,139 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:24:44,139 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 17:24:44,139 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:24:44,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:24:44,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:24:44,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,428 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 136 [2018-11-18 17:24:44,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:24:44,640 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 159 [2018-11-18 17:24:45,546 WARN L180 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 93 [2018-11-18 17:24:45,991 WARN L180 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 72 [2018-11-18 17:24:46,444 WARN L180 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 72 [2018-11-18 17:24:46,446 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:24:46,446 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a11~0)| ~a11~0) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-18 17:24:46,446 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:24:46,446 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,446 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,446 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,446 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,446 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,447 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-18 17:24:46,447 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-18 17:24:46,447 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-18 17:24:46,447 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 17:24:46,447 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-18 17:24:46,447 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 17:24:46,447 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-18 17:24:46,447 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-18 17:24:46,447 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-18 17:24:46,447 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-18 17:24:46,447 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 17:24:46,447 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-18 17:24:46,447 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-18 17:24:46,447 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,447 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,447 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,448 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,448 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 17:24:46,448 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,448 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-18 17:24:46,448 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 17:24:46,448 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 17:24:46,448 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-18 17:24:46,448 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 17:24:46,448 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-18 17:24:46,448 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-18 17:24:46,448 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 17:24:46,448 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-18 17:24:46,448 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-18 17:24:46,448 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-18 17:24:46,448 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-18 17:24:46,448 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-18 17:24:46,449 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-18 17:24:46,449 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-18 17:24:46,449 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,449 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,449 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,449 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,449 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,449 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-18 17:24:46,449 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-18 17:24:46,449 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-18 17:24:46,449 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-18 17:24:46,449 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 17:24:46,449 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 17:24:46,449 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 17:24:46,449 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-18 17:24:46,449 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-18 17:24:46,450 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-18 17:24:46,450 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-18 17:24:46,450 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,450 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,450 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,450 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,450 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,450 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-18 17:24:46,450 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-18 17:24:46,452 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-18 17:24:46,452 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-18 17:24:46,452 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 17:24:46,453 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-18 17:24:46,453 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 17:24:46,453 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-18 17:24:46,453 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-18 17:24:46,453 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-18 17:24:46,453 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-18 17:24:46,453 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-18 17:24:46,453 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-18 17:24:46,453 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,453 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,453 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,453 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,453 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,453 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-18 17:24:46,453 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 17:24:46,454 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-18 17:24:46,454 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-18 17:24:46,454 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 17:24:46,454 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 17:24:46,454 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-18 17:24:46,454 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-18 17:24:46,454 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-18 17:24:46,454 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-18 17:24:46,454 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-18 17:24:46,454 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-18 17:24:46,454 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-18 17:24:46,454 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 17:24:46,454 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-18 17:24:46,454 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 17:24:46,454 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,454 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,455 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,455 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,455 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-18 17:24:46,455 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,455 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-18 17:24:46,455 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,455 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-18 17:24:46,455 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-18 17:24:46,455 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-18 17:24:46,455 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,455 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,455 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 17:24:46,455 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 17:24:46,455 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-18 17:24:46,455 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 17:24:46,455 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 17:24:46,456 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-18 17:24:46,456 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-18 17:24:46,456 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-18 17:24:46,456 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 547) no Hoare annotation was computed. [2018-11-18 17:24:46,456 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-18 17:24:46,456 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-18 17:24:46,456 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-18 17:24:46,456 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,456 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,456 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,456 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,456 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,456 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,456 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-18 17:24:46,456 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-18 17:24:46,457 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 17:24:46,457 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 17:24:46,457 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 17:24:46,457 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 17:24:46,457 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 17:24:46,457 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-18 17:24:46,457 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-18 17:24:46,457 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-18 17:24:46,457 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-18 17:24:46,457 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,457 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,457 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,457 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,457 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,457 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,457 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-18 17:24:46,458 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-18 17:24:46,458 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-18 17:24:46,458 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-18 17:24:46,458 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 17:24:46,458 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-18 17:24:46,458 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-18 17:24:46,458 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 17:24:46,458 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-18 17:24:46,458 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-18 17:24:46,458 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-18 17:24:46,458 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-18 17:24:46,458 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-18 17:24:46,458 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-18 17:24:46,458 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,458 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,458 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,459 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse17 (= 1 |old(~a19~0)|)) (.cse18 (= 1 |old(~a25~0)|))) (let ((.cse9 (not .cse18)) (.cse5 (not (= 1 ~a21~0))) (.cse10 (not .cse17)) (.cse20 (= 0 |old(~a28~0)|)) (.cse14 (not (= 8 |old(~a17~0)|))) (.cse21 (= |old(~a11~0)| ~a11~0)) (.cse24 (= ~a19~0 1)) (.cse22 (= ~a28~0 |old(~a28~0)|)) (.cse23 (= ~a25~0 |old(~a25~0)|)) (.cse6 (= 1 |old(~a11~0)|))) (let ((.cse8 (not (= 7 |old(~a28~0)|))) (.cse12 (= 1 ~a11~0)) (.cse15 (= 8 ~a17~0)) (.cse13 (= 1 ~a19~0)) (.cse11 (not .cse6)) (.cse16 (= 9 |old(~a28~0)|)) (.cse19 (= |old(~a25~0)| ~a25~0)) (.cse2 (= 8 |old(~a28~0)|)) (.cse7 (< 7 |old(~a17~0)|)) (.cse1 (and .cse21 (= ~a17~0 8) .cse24 .cse22 .cse23)) (.cse4 (and (or .cse5 (not (= 11 |old(~a28~0)|)) .cse9 .cse10 .cse14) (or .cse5 .cse10 .cse20 .cse14 (not (= 0 |old(~a25~0)|))))) (.cse0 (< 10 |old(~a28~0)|)) (.cse3 (= |calculate_output_#in~input| 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 (not (= ~a11~0 1)) .cse7) (or .cse5 .cse8 .cse9 .cse10 .cse11 (and .cse12 .cse13) (not (= 7 |old(~a17~0)|))) (or .cse5 .cse9 .cse10 .cse14 (and .cse12 (= 1 ~a25~0) (= 9 ~a28~0) .cse15 .cse13) (not .cse16) .cse11) (or .cse17 .cse5 .cse8 .cse14 (and (= 7 ~a28~0) (not (= ~a25~0 1)) .cse12 .cse15 (not .cse13)) .cse11 .cse18) (or (and .cse12 .cse15 .cse13 .cse19 (= 10 ~a28~0)) .cse5 (not (= 10 |old(~a28~0)|)) .cse9 .cse10 .cse14 .cse11) (or .cse0 .cse5 .cse6 .cse10 .cse20 .cse2 .cse1 .cse14 .cse3) (or (or .cse0 .cse5 .cse6 .cse16 (not (= |old(~a17~0)| 8))) (and .cse21 (= ~a17~0 |old(~a17~0)|) .cse22 .cse23)) (or (and (= |old(~a17~0)| ~a17~0) .cse19 .cse22) .cse5 .cse2 .cse7) (or .cse6 .cse9 .cse1 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse24 .cse9 .cse10 .cse20 .cse14 .cse3))))) [2018-11-18 17:24:46,459 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,459 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,459 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,459 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-18 17:24:46,459 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-18 17:24:46,459 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-18 17:24:46,459 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-18 17:24:46,459 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 17:24:46,459 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 17:24:46,460 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-18 17:24:46,460 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 17:24:46,460 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-18 17:24:46,460 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-18 17:24:46,460 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-18 17:24:46,460 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-18 17:24:46,460 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-18 17:24:46,460 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,460 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,460 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,460 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,460 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,460 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,460 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-18 17:24:46,460 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-18 17:24:46,460 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 17:24:46,461 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-18 17:24:46,461 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-18 17:24:46,461 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-18 17:24:46,461 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 17:24:46,461 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-18 17:24:46,461 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-18 17:24:46,461 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-18 17:24:46,461 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-18 17:24:46,461 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-18 17:24:46,461 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-18 17:24:46,461 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-18 17:24:46,461 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-18 17:24:46,461 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-18 17:24:46,461 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,461 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,461 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,461 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,462 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:24:46,462 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-18 17:24:46,462 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-18 17:24:46,462 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-18 17:24:46,462 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-18 17:24:46,462 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 17:24:46,462 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 17:24:46,462 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 17:24:46,462 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 17:24:46,462 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 17:24:46,462 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 17:24:46,462 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-18 17:24:46,462 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-18 17:24:46,462 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-18 17:24:46,462 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-18 17:24:46,462 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-18 17:24:46,463 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-18 17:24:46,463 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-18 17:24:46,463 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-18 17:24:46,463 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-18 17:24:46,463 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:24:46,463 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-18 17:24:46,463 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:24:46,463 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:24:46,463 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-18 17:24:46,463 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-18 17:24:46,463 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse8 (= ~a25~0 1)) (.cse7 (= ~a19~0 1))) (let ((.cse4 (= 1 ~a25~0)) (.cse3 (not (= ~a11~0 1))) (.cse2 (= 8 ~a17~0)) (.cse6 (= 1 ~a19~0)) (.cse1 (<= ~a28~0 10)) (.cse0 (not (= ~a28~0 8))) (.cse5 (let ((.cse9 (= ~a17~0 8)) (.cse10 (= ~a21~0 1))) (or (and (= ~a28~0 11) .cse9 .cse7 .cse10 .cse8) (and (= ~a25~0 0) (not (= ~a28~0 0)) .cse9 .cse7 .cse10))))) (or (not (= 1 ~a21~0)) (and (<= ~a17~0 7) .cse0) (not (= 0 |old(~a11~0)|)) (and .cse1 .cse2 .cse3 (not (= ~a28~0 9))) (and (and .cse4 .cse3) .cse5) (and .cse4 (= 9 ~a28~0) .cse2 .cse6) (not (= 1 |old(~a19~0)|)) (and .cse4 .cse2 .cse6 (= 10 ~a28~0)) (not (= 8 |old(~a17~0)|)) (not (= 7 |old(~a28~0)|)) (and (and (= |old(~a17~0)| ~a17~0) .cse1 .cse3) .cse7) (and (= 7 ~a28~0) (not .cse8) .cse2 (not .cse6)) (not (= 0 |old(~a25~0)|)) (and (not (= main_~input~0 0)) .cse1 .cse0 .cse5)))) [2018-11-18 17:24:46,464 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-18 17:24:46,464 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-18 17:24:46,464 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse5 (= ~a25~0 1)) (.cse9 (= ~a17~0 8)) (.cse10 (= ~a19~0 1))) (let ((.cse3 (not (= ~a11~0 1))) (.cse1 (not (= main_~input~0 0))) (.cse8 (<= ~a28~0 10)) (.cse0 (not (= ~a28~0 8))) (.cse4 (let ((.cse11 (= ~a21~0 1))) (or (and (= ~a28~0 11) .cse9 .cse10 .cse11 .cse5) (and (= ~a25~0 0) (not (= ~a28~0 0)) .cse9 .cse10 .cse11)))) (.cse2 (= 1 ~a25~0)) (.cse6 (= 8 ~a17~0)) (.cse7 (= 1 ~a19~0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (<= ~a17~0 7) .cse0) (and .cse1 (and .cse2 .cse3) .cse4) (not (= 0 |old(~a11~0)|)) (and (= 7 ~a28~0) (not .cse5) .cse6 (not .cse7)) (and .cse1 .cse8 .cse9 .cse10 .cse3) (and (= 1 ~a11~0) .cse2 (= 9 ~a28~0) .cse6 .cse7) (not (= 0 |old(~a25~0)|)) (and (= |old(~a17~0)| ~a17~0) .cse8 .cse3 (not (= ~a28~0 9))) (not (= 1 |old(~a19~0)|)) (and .cse1 .cse8 .cse0 .cse4) (and .cse2 .cse6 .cse7 (= 10 ~a28~0)) (not (= 8 |old(~a17~0)|))))) [2018-11-18 17:24:46,464 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-18 17:24:46,464 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-18 17:24:46,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:24:46 BoogieIcfgContainer [2018-11-18 17:24:46,478 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:24:46,478 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:24:46,478 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:24:46,479 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:24:46,479 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:24:22" (3/4) ... [2018-11-18 17:24:46,482 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:24:46,492 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:24:46,492 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 17:24:46,493 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:24:46,502 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 17:24:46,503 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 17:24:46,525 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(1 == a21) || (a17 <= 7 && !(a28 == 8))) || !(0 == \old(a11))) || (((a28 <= 10 && 8 == a17) && !(a11 == 1)) && !(a28 == 9))) || ((1 == a25 && !(a11 == 1)) && (((((a28 == 11 && a17 == 8) && a19 == 1) && a21 == 1) && a25 == 1) || ((((a25 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1) && a21 == 1)))) || (((1 == a25 && 9 == a28) && 8 == a17) && 1 == a19)) || !(1 == \old(a19))) || (((1 == a25 && 8 == a17) && 1 == a19) && 10 == a28)) || !(8 == \old(a17))) || !(7 == \old(a28))) || (((\old(a17) == a17 && a28 <= 10) && !(a11 == 1)) && a19 == 1)) || (((7 == a28 && !(a25 == 1)) && 8 == a17) && !(1 == a19))) || !(0 == \old(a25))) || (((!(input == 0) && a28 <= 10) && !(a28 == 8)) && (((((a28 == 11 && a17 == 8) && a19 == 1) && a21 == 1) && a25 == 1) || ((((a25 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1) && a21 == 1))) [2018-11-18 17:24:46,595 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4e87458b-7ff9-48e0-8234-2aa05d8370c4/bin-2019/utaipan/witness.graphml [2018-11-18 17:24:46,595 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:24:46,595 INFO L168 Benchmark]: Toolchain (without parser) took 25024.03 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 956.6 MB in the beginning and 1.7 GB in the end (delta: -727.7 MB). Peak memory consumption was 500.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:24:46,596 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:24:46,596 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.05 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 924.3 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:24:46,596 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 924.3 MB in the beginning and 1.1 GB in the end (delta: -208.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:24:46,597 INFO L168 Benchmark]: Boogie Preprocessor took 48.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:24:46,597 INFO L168 Benchmark]: RCFGBuilder took 728.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 98.0 MB). Peak memory consumption was 98.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:24:46,597 INFO L168 Benchmark]: TraceAbstraction took 23668.10 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: -654.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-18 17:24:46,597 INFO L168 Benchmark]: Witness Printer took 116.92 ms. Allocated memory is still 2.3 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 49.6 kB). Peak memory consumption was 49.6 kB. Max. memory is 11.5 GB. [2018-11-18 17:24:46,599 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 393.05 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 924.3 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 924.3 MB in the beginning and 1.1 GB in the end (delta: -208.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 728.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 98.0 MB). Peak memory consumption was 98.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 23668.10 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: -654.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 116.92 ms. Allocated memory is still 2.3 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 49.6 kB). Peak memory consumption was 49.6 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 547]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((!(1 == a21) || (a17 <= 7 && !(a28 == 8))) || !(0 == \old(a11))) || (((a28 <= 10 && 8 == a17) && !(a11 == 1)) && !(a28 == 9))) || ((1 == a25 && !(a11 == 1)) && (((((a28 == 11 && a17 == 8) && a19 == 1) && a21 == 1) && a25 == 1) || ((((a25 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1) && a21 == 1)))) || (((1 == a25 && 9 == a28) && 8 == a17) && 1 == a19)) || !(1 == \old(a19))) || (((1 == a25 && 8 == a17) && 1 == a19) && 10 == a28)) || !(8 == \old(a17))) || !(7 == \old(a28))) || (((\old(a17) == a17 && a28 <= 10) && !(a11 == 1)) && a19 == 1)) || (((7 == a28 && !(a25 == 1)) && 8 == a17) && !(1 == a19))) || !(0 == \old(a25))) || (((!(input == 0) && a28 <= 10) && !(a28 == 8)) && (((((a28 == 11 && a17 == 8) && a19 == 1) && a21 == 1) && a25 == 1) || ((((a25 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1) && a21 == 1))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 23.6s OverallTime, 11 OverallIterations, 5 TraceHistogramMax, 16.1s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1280 SDtfs, 12015 SDslu, 1801 SDs, 0 SdLazy, 14569 SolverSat, 3183 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.2s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1682 GetRequests, 1497 SyntacticMatches, 10 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2275 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3094occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.4s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9973917598965683 AbsIntWeakeningRatio, 0.1683991683991684 AbsIntAvgWeakeningVarsNumRemoved, 25.03950103950104 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 794 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 123 PreInvPairs, 223 NumberOfFragments, 916 HoareAnnotationTreeSize, 123 FomulaSimplifications, 13511 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 9673 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 2507 NumberOfCodeBlocks, 2507 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2977 ConstructedInterpolants, 0 QuantifiedInterpolants, 2901856 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1093 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 15 InterpolantComputations, 7 PerfectInterpolantSequences, 1517/1602 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...