./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label23_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_51c56353-0929-4152-9493-e2cf63cddf19/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_51c56353-0929-4152-9493-e2cf63cddf19/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_51c56353-0929-4152-9493-e2cf63cddf19/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_51c56353-0929-4152-9493-e2cf63cddf19/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_51c56353-0929-4152-9493-e2cf63cddf19/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_51c56353-0929-4152-9493-e2cf63cddf19/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 32be2810d9c37c4b52439355c8a9e3577edf70e1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:00:29,509 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:00:29,510 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:00:29,519 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:00:29,519 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:00:29,520 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:00:29,521 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:00:29,522 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:00:29,523 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:00:29,524 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:00:29,524 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:00:29,524 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:00:29,525 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:00:29,526 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:00:29,526 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:00:29,528 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:00:29,528 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:00:29,529 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:00:29,531 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:00:29,532 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:00:29,533 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:00:29,533 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:00:29,535 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:00:29,536 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:00:29,536 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:00:29,536 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:00:29,537 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:00:29,538 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:00:29,538 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:00:29,540 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:00:29,540 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:00:29,540 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:00:29,540 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:00:29,540 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:00:29,541 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:00:29,542 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:00:29,542 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_51c56353-0929-4152-9493-e2cf63cddf19/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 16:00:29,551 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:00:29,551 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:00:29,551 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:00:29,552 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:00:29,552 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:00:29,552 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:00:29,552 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:00:29,552 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 16:00:29,552 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:00:29,552 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:00:29,553 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 16:00:29,553 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 16:00:29,553 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:00:29,553 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:00:29,554 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:00:29,554 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:00:29,554 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:00:29,554 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:00:29,554 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:00:29,554 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:00:29,554 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:00:29,555 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:00:29,555 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:00:29,557 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:00:29,557 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:00:29,557 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:00:29,557 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:00:29,557 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:00:29,557 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:00:29,558 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:00:29,558 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:00:29,558 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:00:29,558 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:00:29,558 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 16:00:29,558 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:00:29,558 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:00:29,558 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 16:00:29,558 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_51c56353-0929-4152-9493-e2cf63cddf19/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 -> 32be2810d9c37c4b52439355c8a9e3577edf70e1 [2018-11-18 16:00:29,580 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:00:29,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:00:29,589 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:00:29,590 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:00:29,590 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:00:29,591 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_51c56353-0929-4152-9493-e2cf63cddf19/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c [2018-11-18 16:00:29,625 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_51c56353-0929-4152-9493-e2cf63cddf19/bin-2019/utaipan/data/0b71eeff0/5f637cc8002e406a88fd5236e673643b/FLAGa688f4dbb [2018-11-18 16:00:30,074 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:00:30,075 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_51c56353-0929-4152-9493-e2cf63cddf19/sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c [2018-11-18 16:00:30,083 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_51c56353-0929-4152-9493-e2cf63cddf19/bin-2019/utaipan/data/0b71eeff0/5f637cc8002e406a88fd5236e673643b/FLAGa688f4dbb [2018-11-18 16:00:30,094 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_51c56353-0929-4152-9493-e2cf63cddf19/bin-2019/utaipan/data/0b71eeff0/5f637cc8002e406a88fd5236e673643b [2018-11-18 16:00:30,097 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:00:30,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:00:30,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:00:30,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:00:30,101 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:00:30,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:00:30" (1/1) ... [2018-11-18 16:00:30,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44098bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:30, skipping insertion in model container [2018-11-18 16:00:30,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:00:30" (1/1) ... [2018-11-18 16:00:30,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:00:30,142 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:00:30,378 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:00:30,381 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:00:30,445 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:00:30,454 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:00:30,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:30 WrapperNode [2018-11-18 16:00:30,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:00:30,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:00:30,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:00:30,456 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:00:30,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:30" (1/1) ... [2018-11-18 16:00:30,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:30" (1/1) ... [2018-11-18 16:00:30,532 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:00:30,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:00:30,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:00:30,533 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:00:30,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:30" (1/1) ... [2018-11-18 16:00:30,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:30" (1/1) ... [2018-11-18 16:00:30,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:30" (1/1) ... [2018-11-18 16:00:30,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:30" (1/1) ... [2018-11-18 16:00:30,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:30" (1/1) ... [2018-11-18 16:00:30,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:30" (1/1) ... [2018-11-18 16:00:30,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:30" (1/1) ... [2018-11-18 16:00:30,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:00:30,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:00:30,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:00:30,582 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:00:30,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51c56353-0929-4152-9493-e2cf63cddf19/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 16:00:30,629 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 16:00:30,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:00:30,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:00:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 16:00:30,630 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 16:00:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:00:30,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:00:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:00:30,630 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:00:31,336 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:00:31,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:00:31 BoogieIcfgContainer [2018-11-18 16:00:31,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:00:31,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:00:31,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:00:31,340 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:00:31,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:00:30" (1/3) ... [2018-11-18 16:00:31,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c0c0bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:00:31, skipping insertion in model container [2018-11-18 16:00:31,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:30" (2/3) ... [2018-11-18 16:00:31,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c0c0bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:00:31, skipping insertion in model container [2018-11-18 16:00:31,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:00:31" (3/3) ... [2018-11-18 16:00:31,342 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label23_true-unreach-call_false-termination.c [2018-11-18 16:00:31,348 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:00:31,353 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:00:31,363 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:00:31,386 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:00:31,386 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:00:31,386 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:00:31,386 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:00:31,386 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:00:31,387 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:00:31,387 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:00:31,387 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:00:31,403 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-18 16:00:31,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 16:00:31,410 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:00:31,411 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] [2018-11-18 16:00:31,413 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:00:31,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:00:31,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1921053824, now seen corresponding path program 1 times [2018-11-18 16:00:31,418 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:00:31,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:31,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:00:31,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:31,447 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:00:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:31,693 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 16:00:31,695 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:00:31,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:00:31,695 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:00:31,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:00:31,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:00:31,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:00:31,709 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-18 16:00:32,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:00:32,228 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-18 16:00:32,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:00:32,229 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2018-11-18 16:00:32,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:00:32,240 INFO L225 Difference]: With dead ends: 550 [2018-11-18 16:00:32,240 INFO L226 Difference]: Without dead ends: 340 [2018-11-18 16:00:32,243 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 16:00:32,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-18 16:00:32,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-18 16:00:32,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-18 16:00:32,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 562 transitions. [2018-11-18 16:00:32,289 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 562 transitions. Word has length 102 [2018-11-18 16:00:32,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:00:32,289 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 562 transitions. [2018-11-18 16:00:32,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:00:32,290 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 562 transitions. [2018-11-18 16:00:32,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-18 16:00:32,293 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:00:32,293 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 16:00:32,294 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:00:32,294 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:00:32,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1248804383, now seen corresponding path program 1 times [2018-11-18 16:00:32,294 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:00:32,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:32,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:00:32,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:32,295 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:00:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:32,383 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:32,383 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:00:32,384 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:00:32,384 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:00:32,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:00:32,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:00:32,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:00:32,385 INFO L87 Difference]: Start difference. First operand 340 states and 562 transitions. Second operand 6 states. [2018-11-18 16:00:32,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:00:32,973 INFO L93 Difference]: Finished difference Result 888 states and 1491 transitions. [2018-11-18 16:00:32,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:00:32,974 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-11-18 16:00:32,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:00:32,978 INFO L225 Difference]: With dead ends: 888 [2018-11-18 16:00:32,978 INFO L226 Difference]: Without dead ends: 554 [2018-11-18 16:00:32,980 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 16:00:32,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-11-18 16:00:33,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 539. [2018-11-18 16:00:33,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-11-18 16:00:33,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 827 transitions. [2018-11-18 16:00:33,002 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 827 transitions. Word has length 113 [2018-11-18 16:00:33,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:00:33,002 INFO L480 AbstractCegarLoop]: Abstraction has 539 states and 827 transitions. [2018-11-18 16:00:33,002 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:00:33,002 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 827 transitions. [2018-11-18 16:00:33,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 16:00:33,004 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:00:33,005 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 16:00:33,005 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:00:33,005 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:00:33,005 INFO L82 PathProgramCache]: Analyzing trace with hash -2079561357, now seen corresponding path program 1 times [2018-11-18 16:00:33,005 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:00:33,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:33,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:00:33,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:33,006 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:00:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:33,144 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:33,144 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:00:33,144 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:00:33,145 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 115 with the following transitions: [2018-11-18 16:00:33,147 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 16:00:33,176 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:00:33,176 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:00:33,621 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:00:33,622 INFO L272 AbstractInterpreter]: Visited 106 different actions 204 times. Merged at 4 different actions 4 times. Never widened. Performed 2902 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2902 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 16:00:33,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:00:33,640 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:00:33,640 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:00:33,640 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51c56353-0929-4152-9493-e2cf63cddf19/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 16:00:33,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:00:33,656 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:00:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:33,706 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:00:33,751 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:33,751 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:00:33,796 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:33,812 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:00:33,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 9 [2018-11-18 16:00:33,813 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:00:33,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:00:33,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:00:33,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:00:33,814 INFO L87 Difference]: Start difference. First operand 539 states and 827 transitions. Second operand 3 states. [2018-11-18 16:00:34,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:00:34,200 INFO L93 Difference]: Finished difference Result 1530 states and 2434 transitions. [2018-11-18 16:00:34,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:00:34,201 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2018-11-18 16:00:34,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:00:34,206 INFO L225 Difference]: With dead ends: 1530 [2018-11-18 16:00:34,206 INFO L226 Difference]: Without dead ends: 997 [2018-11-18 16:00:34,208 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 228 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:00:34,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2018-11-18 16:00:34,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 997. [2018-11-18 16:00:34,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 997 states. [2018-11-18 16:00:34,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1433 transitions. [2018-11-18 16:00:34,235 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1433 transitions. Word has length 114 [2018-11-18 16:00:34,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:00:34,236 INFO L480 AbstractCegarLoop]: Abstraction has 997 states and 1433 transitions. [2018-11-18 16:00:34,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:00:34,236 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1433 transitions. [2018-11-18 16:00:34,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-18 16:00:34,239 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:00:34,239 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 16:00:34,239 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:00:34,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:00:34,239 INFO L82 PathProgramCache]: Analyzing trace with hash 896515303, now seen corresponding path program 1 times [2018-11-18 16:00:34,239 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:00:34,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:34,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:00:34,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:34,240 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:00:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:34,340 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:34,341 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:00:34,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:00:34,341 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:00:34,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:00:34,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:00:34,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:00:34,342 INFO L87 Difference]: Start difference. First operand 997 states and 1433 transitions. Second operand 3 states. [2018-11-18 16:00:34,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:00:34,832 INFO L93 Difference]: Finished difference Result 2438 states and 3658 transitions. [2018-11-18 16:00:34,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:00:34,834 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2018-11-18 16:00:34,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:00:34,839 INFO L225 Difference]: With dead ends: 2438 [2018-11-18 16:00:34,839 INFO L226 Difference]: Without dead ends: 1447 [2018-11-18 16:00:34,842 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 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 16:00:34,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1447 states. [2018-11-18 16:00:34,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1447 to 1447. [2018-11-18 16:00:34,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1447 states. [2018-11-18 16:00:34,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 1447 states and 2086 transitions. [2018-11-18 16:00:34,875 INFO L78 Accepts]: Start accepts. Automaton has 1447 states and 2086 transitions. Word has length 120 [2018-11-18 16:00:34,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:00:34,876 INFO L480 AbstractCegarLoop]: Abstraction has 1447 states and 2086 transitions. [2018-11-18 16:00:34,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:00:34,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1447 states and 2086 transitions. [2018-11-18 16:00:34,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-18 16:00:34,879 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:00:34,879 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:00:34,879 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:00:34,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:00:34,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1267173673, now seen corresponding path program 1 times [2018-11-18 16:00:34,880 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:00:34,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:34,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:00:34,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:34,880 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:00:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:34,971 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:34,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:00:34,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:00:34,971 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:00:34,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:00:34,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:00:34,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:00:34,972 INFO L87 Difference]: Start difference. First operand 1447 states and 2086 transitions. Second operand 6 states. [2018-11-18 16:00:35,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:00:35,585 INFO L93 Difference]: Finished difference Result 3031 states and 4481 transitions. [2018-11-18 16:00:35,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:00:35,586 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2018-11-18 16:00:35,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:00:35,592 INFO L225 Difference]: With dead ends: 3031 [2018-11-18 16:00:35,592 INFO L226 Difference]: Without dead ends: 1590 [2018-11-18 16:00:35,597 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 16:00:35,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1590 states. [2018-11-18 16:00:35,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1590 to 1540. [2018-11-18 16:00:35,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1540 states. [2018-11-18 16:00:35,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1540 states and 1980 transitions. [2018-11-18 16:00:35,631 INFO L78 Accepts]: Start accepts. Automaton has 1540 states and 1980 transitions. Word has length 128 [2018-11-18 16:00:35,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:00:35,632 INFO L480 AbstractCegarLoop]: Abstraction has 1540 states and 1980 transitions. [2018-11-18 16:00:35,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:00:35,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 1980 transitions. [2018-11-18 16:00:35,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-18 16:00:35,634 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:00:35,635 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] [2018-11-18 16:00:35,635 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:00:35,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:00:35,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1675141633, now seen corresponding path program 1 times [2018-11-18 16:00:35,635 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:00:35,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:35,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:00:35,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:35,636 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:00:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:35,729 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 16:00:35,729 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:00:35,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:00:35,730 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:00:35,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:00:35,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:00:35,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:00:35,730 INFO L87 Difference]: Start difference. First operand 1540 states and 1980 transitions. Second operand 3 states. [2018-11-18 16:00:36,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:00:36,027 INFO L93 Difference]: Finished difference Result 4456 states and 5895 transitions. [2018-11-18 16:00:36,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:00:36,028 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2018-11-18 16:00:36,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:00:36,038 INFO L225 Difference]: With dead ends: 4456 [2018-11-18 16:00:36,038 INFO L226 Difference]: Without dead ends: 2922 [2018-11-18 16:00:36,043 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:00:36,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2922 states. [2018-11-18 16:00:36,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2922 to 2914. [2018-11-18 16:00:36,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2914 states. [2018-11-18 16:00:36,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2914 states and 3698 transitions. [2018-11-18 16:00:36,101 INFO L78 Accepts]: Start accepts. Automaton has 2914 states and 3698 transitions. Word has length 129 [2018-11-18 16:00:36,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:00:36,101 INFO L480 AbstractCegarLoop]: Abstraction has 2914 states and 3698 transitions. [2018-11-18 16:00:36,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:00:36,101 INFO L276 IsEmpty]: Start isEmpty. Operand 2914 states and 3698 transitions. [2018-11-18 16:00:36,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-18 16:00:36,108 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:00:36,108 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:00:36,109 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:00:36,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:00:36,109 INFO L82 PathProgramCache]: Analyzing trace with hash 208675339, now seen corresponding path program 1 times [2018-11-18 16:00:36,109 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:00:36,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:36,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:00:36,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:36,110 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:00:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:36,227 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:36,227 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:00:36,227 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:00:36,227 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 167 with the following transitions: [2018-11-18 16:00:36,228 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [225], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 16:00:36,231 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:00:36,231 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:00:36,486 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 16:00:36,486 INFO L272 AbstractInterpreter]: Visited 105 different actions 204 times. Merged at 5 different actions 5 times. Never widened. Performed 2831 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2831 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 16:00:36,488 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:00:36,488 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 16:00:36,834 INFO L227 lantSequenceWeakener]: Weakened 163 states. On average, predicates are now at 81.63% of their original sizes. [2018-11-18 16:00:36,834 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 16:00:36,919 INFO L415 sIntCurrentIteration]: We unified 165 AI predicates to 165 [2018-11-18 16:00:36,919 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 16:00:36,920 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:00:36,920 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-18 16:00:36,920 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:00:36,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 16:00:36,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 16:00:36,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:00:36,921 INFO L87 Difference]: Start difference. First operand 2914 states and 3698 transitions. Second operand 10 states. [2018-11-18 16:00:41,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:00:41,849 INFO L93 Difference]: Finished difference Result 6373 states and 8229 transitions. [2018-11-18 16:00:41,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 16:00:41,849 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 166 [2018-11-18 16:00:41,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:00:41,858 INFO L225 Difference]: With dead ends: 6373 [2018-11-18 16:00:41,859 INFO L226 Difference]: Without dead ends: 3465 [2018-11-18 16:00:41,866 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 174 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-18 16:00:41,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3465 states. [2018-11-18 16:00:41,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3465 to 3326. [2018-11-18 16:00:41,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3326 states. [2018-11-18 16:00:41,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3326 states to 3326 states and 4153 transitions. [2018-11-18 16:00:41,928 INFO L78 Accepts]: Start accepts. Automaton has 3326 states and 4153 transitions. Word has length 166 [2018-11-18 16:00:41,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:00:41,928 INFO L480 AbstractCegarLoop]: Abstraction has 3326 states and 4153 transitions. [2018-11-18 16:00:41,928 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 16:00:41,929 INFO L276 IsEmpty]: Start isEmpty. Operand 3326 states and 4153 transitions. [2018-11-18 16:00:41,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-18 16:00:41,936 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:00:41,936 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:00:41,937 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:00:41,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:00:41,937 INFO L82 PathProgramCache]: Analyzing trace with hash 2117677329, now seen corresponding path program 1 times [2018-11-18 16:00:41,937 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:00:41,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:41,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:00:41,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:41,938 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:00:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:42,052 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 96 proven. 19 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 16:00:42,052 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:00:42,052 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:00:42,052 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 196 with the following transitions: [2018-11-18 16:00:42,052 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [225], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 16:00:42,055 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:00:42,056 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:00:42,339 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 16:00:42,339 INFO L272 AbstractInterpreter]: Visited 107 different actions 318 times. Merged at 8 different actions 19 times. Never widened. Performed 4437 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4437 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-18 16:00:42,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:00:42,340 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 16:00:42,548 INFO L227 lantSequenceWeakener]: Weakened 192 states. On average, predicates are now at 83.2% of their original sizes. [2018-11-18 16:00:42,548 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 16:00:42,613 INFO L415 sIntCurrentIteration]: We unified 194 AI predicates to 194 [2018-11-18 16:00:42,614 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 16:00:42,614 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:00:42,614 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2018-11-18 16:00:42,614 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:00:42,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:00:42,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:00:42,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:00:42,615 INFO L87 Difference]: Start difference. First operand 3326 states and 4153 transitions. Second operand 9 states. [2018-11-18 16:00:45,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:00:45,126 INFO L93 Difference]: Finished difference Result 7075 states and 9069 transitions. [2018-11-18 16:00:45,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 16:00:45,126 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 195 [2018-11-18 16:00:45,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:00:45,136 INFO L225 Difference]: With dead ends: 7075 [2018-11-18 16:00:45,137 INFO L226 Difference]: Without dead ends: 4167 [2018-11-18 16:00:45,143 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 200 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2018-11-18 16:00:45,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4167 states. [2018-11-18 16:00:45,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4167 to 4155. [2018-11-18 16:00:45,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4155 states. [2018-11-18 16:00:45,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4155 states to 4155 states and 5245 transitions. [2018-11-18 16:00:45,213 INFO L78 Accepts]: Start accepts. Automaton has 4155 states and 5245 transitions. Word has length 195 [2018-11-18 16:00:45,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:00:45,213 INFO L480 AbstractCegarLoop]: Abstraction has 4155 states and 5245 transitions. [2018-11-18 16:00:45,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:00:45,213 INFO L276 IsEmpty]: Start isEmpty. Operand 4155 states and 5245 transitions. [2018-11-18 16:00:45,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-18 16:00:45,223 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:00:45,223 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:00:45,223 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:00:45,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:00:45,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1122503782, now seen corresponding path program 1 times [2018-11-18 16:00:45,224 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:00:45,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:45,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:00:45,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:45,225 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:00:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:45,331 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 125 proven. 37 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-18 16:00:45,332 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:00:45,333 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:00:45,333 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 220 with the following transitions: [2018-11-18 16:00:45,333 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [53], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [225], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 16:00:45,336 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:00:45,336 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:00:45,520 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:00:45,520 INFO L272 AbstractInterpreter]: Visited 109 different actions 333 times. Merged at 8 different actions 29 times. Widened at 1 different actions 1 times. Performed 4780 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4780 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-18 16:00:45,522 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:00:45,522 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:00:45,522 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:00:45,522 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51c56353-0929-4152-9493-e2cf63cddf19/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 16:00:45,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:00:45,528 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:00:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:45,589 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:00:45,621 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 100 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-18 16:00:45,621 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:00:45,687 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 125 proven. 37 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-18 16:00:45,702 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 16:00:45,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 16:00:45,702 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 16:00:45,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:00:45,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:00:45,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-18 16:00:45,703 INFO L87 Difference]: Start difference. First operand 4155 states and 5245 transitions. Second operand 9 states. [2018-11-18 16:00:47,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:00:47,004 INFO L93 Difference]: Finished difference Result 11083 states and 14624 transitions. [2018-11-18 16:00:47,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 16:00:47,005 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 219 [2018-11-18 16:00:47,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:00:47,021 INFO L225 Difference]: With dead ends: 11083 [2018-11-18 16:00:47,022 INFO L226 Difference]: Without dead ends: 6773 [2018-11-18 16:00:47,030 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 438 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2018-11-18 16:00:47,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6773 states. [2018-11-18 16:00:47,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6773 to 6707. [2018-11-18 16:00:47,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6707 states. [2018-11-18 16:00:47,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6707 states to 6707 states and 8663 transitions. [2018-11-18 16:00:47,130 INFO L78 Accepts]: Start accepts. Automaton has 6707 states and 8663 transitions. Word has length 219 [2018-11-18 16:00:47,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:00:47,130 INFO L480 AbstractCegarLoop]: Abstraction has 6707 states and 8663 transitions. [2018-11-18 16:00:47,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:00:47,130 INFO L276 IsEmpty]: Start isEmpty. Operand 6707 states and 8663 transitions. [2018-11-18 16:00:47,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-18 16:00:47,143 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:00:47,143 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 16:00:47,144 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:00:47,144 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:00:47,144 INFO L82 PathProgramCache]: Analyzing trace with hash 889346168, now seen corresponding path program 1 times [2018-11-18 16:00:47,144 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:00:47,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:47,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:00:47,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:47,145 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:00:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:47,220 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 130 proven. 42 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-18 16:00:47,220 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:00:47,220 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:00:47,220 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 225 with the following transitions: [2018-11-18 16:00:47,220 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [225], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 16:00:47,223 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:00:47,223 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:00:47,384 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:00:47,384 INFO L272 AbstractInterpreter]: Visited 109 different actions 328 times. Merged at 8 different actions 24 times. Never widened. Performed 4792 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4792 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-18 16:00:47,386 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:00:47,386 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:00:47,386 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:00:47,386 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51c56353-0929-4152-9493-e2cf63cddf19/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 16:00:47,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:00:47,393 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:00:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:47,445 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:00:47,517 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 172 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-18 16:00:47,517 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:00:47,578 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 172 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-18 16:00:47,594 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 16:00:47,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 16:00:47,594 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 16:00:47,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:00:47,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:00:47,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:00:47,595 INFO L87 Difference]: Start difference. First operand 6707 states and 8663 transitions. Second operand 9 states. [2018-11-18 16:00:48,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:00:48,886 INFO L93 Difference]: Finished difference Result 19462 states and 26362 transitions. [2018-11-18 16:00:48,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 16:00:48,887 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 224 [2018-11-18 16:00:48,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:00:48,887 INFO L225 Difference]: With dead ends: 19462 [2018-11-18 16:00:48,887 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:00:48,914 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 460 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=223, Invalid=707, Unknown=0, NotChecked=0, Total=930 [2018-11-18 16:00:48,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:00:48,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:00:48,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:00:48,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:00:48,915 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 224 [2018-11-18 16:00:48,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:00:48,915 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:00:48,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:00:48,915 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:00:48,915 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:00:48,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:00:49,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,327 WARN L180 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 169 [2018-11-18 16:00:49,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:49,562 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 162 [2018-11-18 16:00:50,575 WARN L180 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 82 [2018-11-18 16:00:50,920 WARN L180 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 54 [2018-11-18 16:00:51,226 WARN L180 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 54 [2018-11-18 16:00:51,228 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:00:51,228 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|)) [2018-11-18 16:00:51,228 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:00:51,228 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-18 16:00:51,228 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-18 16:00:51,228 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2018-11-18 16:00:51,229 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,229 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,229 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,229 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,229 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,229 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,229 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-18 16:00:51,229 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-18 16:00:51,229 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-18 16:00:51,229 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-18 16:00:51,229 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-18 16:00:51,229 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-18 16:00:51,229 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-18 16:00:51,229 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-18 16:00:51,229 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-18 16:00:51,229 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-18 16:00:51,230 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,230 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,230 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,230 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,230 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,230 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,230 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-18 16:00:51,230 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-18 16:00:51,230 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-18 16:00:51,230 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-18 16:00:51,230 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-18 16:00:51,230 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-18 16:00:51,230 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-18 16:00:51,230 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-18 16:00:51,230 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-18 16:00:51,230 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-18 16:00:51,231 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-18 16:00:51,231 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-18 16:00:51,231 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-18 16:00:51,231 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-18 16:00:51,231 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-18 16:00:51,231 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,231 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,231 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,231 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,231 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,231 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-18 16:00:51,231 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-18 16:00:51,231 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-18 16:00:51,231 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-18 16:00:51,231 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-18 16:00:51,231 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-18 16:00:51,232 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-18 16:00:51,232 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-18 16:00:51,232 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-18 16:00:51,232 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,232 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,232 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,232 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,232 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,232 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-18 16:00:51,232 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-18 16:00:51,232 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-18 16:00:51,232 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-18 16:00:51,233 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-18 16:00:51,233 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-18 16:00:51,233 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-18 16:00:51,233 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-18 16:00:51,233 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-18 16:00:51,234 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-18 16:00:51,234 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-18 16:00:51,234 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-18 16:00:51,234 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-18 16:00:51,234 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,234 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,234 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,234 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,234 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,234 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-18 16:00:51,234 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-18 16:00:51,234 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-18 16:00:51,234 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-18 16:00:51,234 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-18 16:00:51,234 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-18 16:00:51,234 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-18 16:00:51,234 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-18 16:00:51,235 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-18 16:00:51,235 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,235 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,235 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,235 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,235 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,235 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,235 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-18 16:00:51,235 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,235 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-18 16:00:51,235 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-18 16:00:51,235 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-18 16:00:51,235 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-18 16:00:51,235 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-18 16:00:51,235 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-18 16:00:51,235 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-18 16:00:51,236 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-18 16:00:51,236 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-18 16:00:51,236 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-18 16:00:51,236 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-18 16:00:51,236 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-18 16:00:51,236 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-18 16:00:51,236 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,236 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,236 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,236 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,236 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,236 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-18 16:00:51,236 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-18 16:00:51,236 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-18 16:00:51,236 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-18 16:00:51,236 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-18 16:00:51,236 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-18 16:00:51,237 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-18 16:00:51,237 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-18 16:00:51,237 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,237 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,237 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,237 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,237 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,237 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-18 16:00:51,237 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-18 16:00:51,237 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-18 16:00:51,237 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-18 16:00:51,237 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-18 16:00:51,237 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-18 16:00:51,237 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-18 16:00:51,237 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-18 16:00:51,237 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-18 16:00:51,237 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-18 16:00:51,238 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse12 (= 4 |old(~a16~0)|)) (.cse11 (= 15 |old(~a8~0)|)) (.cse2 (= 1 |old(~a20~0)|)) (.cse18 (= |old(~a8~0)| ~a8~0)) (.cse19 (= |old(~a16~0)| ~a16~0))) (let ((.cse14 (= 0 |old(~a16~0)|)) (.cse9 (= ~a7~0 0)) (.cse7 (< 0 |old(~a17~0)|)) (.cse16 (and (<= ~a17~0 |old(~a17~0)|) .cse18 .cse19 (= ~a21~0 |old(~a21~0)|))) (.cse3 (not (= 0 |old(~a7~0)|))) (.cse0 (not (= 1 |old(~a21~0)|))) (.cse6 (not (= 8 ~a12~0))) (.cse8 (= |calculate_output_#in~input| 0)) (.cse15 (= ~a20~0 1)) (.cse13 (not .cse2)) (.cse4 (not .cse11)) (.cse10 (not (= |old(~a16~0)| 5))) (.cse17 (< 13 |old(~a8~0)|)) (.cse5 (not .cse12)) (.cse1 (not (= 1 ~a20~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse1 .cse10 .cse2 .cse11) (or (or .cse3 .cse0 .cse12 .cse13 .cse4) .cse14 .cse6 .cse7 .cse8 .cse15) (or (or .cse3 .cse0 (not (= 0 |old(~a17~0)|))) (and (= ~a17~0 0) .cse15) .cse5 .cse6 .cse8 .cse13 .cse4) (or .cse0 .cse16 .cse12) (or .cse17 .cse7 .cse16) (or .cse3 .cse0 .cse9 .cse12 .cse4 .cse14 .cse6 .cse8) (or .cse3 .cse0 .cse4 .cse5 .cse6 .cse8 .cse2 .cse9) (or (= 6 |old(~a16~0)|) .cse17 .cse16) (or .cse16 .cse0 .cse7) (or .cse0 .cse16 .cse11) (or .cse0 .cse2 .cse16) (or .cse3 .cse0 .cse6 .cse8 (not (= 1 |old(~a17~0)|)) (and (= ~a17~0 1) .cse15) .cse13 .cse4 (not (= 5 |old(~a16~0)|))) (or (and .cse18 .cse19) .cse10 .cse11) (or .cse17 .cse5 .cse2 .cse1)))) [2018-11-18 16:00:51,238 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-18 16:00:51,238 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,238 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,238 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,238 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,238 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-18 16:00:51,238 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,238 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,238 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-18 16:00:51,238 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-18 16:00:51,239 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-18 16:00:51,239 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-18 16:00:51,239 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-18 16:00:51,239 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-18 16:00:51,239 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-18 16:00:51,239 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-18 16:00:51,239 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-18 16:00:51,239 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-18 16:00:51,239 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-18 16:00:51,239 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-18 16:00:51,239 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,239 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,239 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,239 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,239 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,239 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-18 16:00:51,239 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,240 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-18 16:00:51,240 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-18 16:00:51,240 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-18 16:00:51,240 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-18 16:00:51,240 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-18 16:00:51,240 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-18 16:00:51,240 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-18 16:00:51,240 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-18 16:00:51,240 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-18 16:00:51,240 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-18 16:00:51,240 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-18 16:00:51,240 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-18 16:00:51,240 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-18 16:00:51,240 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-18 16:00:51,240 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,240 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,240 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,241 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,241 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,241 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:00:51,241 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-18 16:00:51,241 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-18 16:00:51,241 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-18 16:00:51,241 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-18 16:00:51,241 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-18 16:00:51,241 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-18 16:00:51,241 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-18 16:00:51,241 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-18 16:00:51,241 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-18 16:00:51,241 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-18 16:00:51,241 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:00:51,241 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-18 16:00:51,242 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:00:51,242 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:00:51,242 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (and (= ~a17~0 1) (= ~a7~0 0) (= |old(~a8~0)| ~a8~0) (= 1 ~a21~0) (= ~a20~0 1) (= ~a16~0 5)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-11-18 16:00:51,242 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-18 16:00:51,242 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (<= ~a8~0 13)) (.cse1 (<= ~a17~0 0)) (.cse3 (not (= ~a8~0 15))) (.cse2 (= 1 ~a21~0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1) (not (= 8 ~a12~0)) (and .cse0 (not (= ~a16~0 6))) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (not (= 1 ~a20~0)) .cse2) (and (= |old(~a16~0)| ~a16~0) .cse3) (and .cse2 .cse1) (and .cse2 (not (= ~a16~0 4))) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (and .cse3 .cse2) (not (= 15 |old(~a8~0)|)))) [2018-11-18 16:00:51,242 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-18 16:00:51,242 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-18 16:00:51,242 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-18 16:00:51,242 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (<= ~a8~0 13)) (.cse1 (<= ~a17~0 0)) (.cse3 (not (= ~a8~0 15))) (.cse2 (= 1 ~a21~0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1) (not (= 8 ~a12~0)) (and .cse0 (not (= ~a16~0 6))) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (not (= 1 ~a20~0)) .cse2) (and (= |old(~a16~0)| ~a16~0) .cse3) (and .cse2 .cse1) (and .cse2 (not (= ~a16~0 4))) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (and .cse3 .cse2) (not (= 15 |old(~a8~0)|)))) [2018-11-18 16:00:51,242 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-18 16:00:51,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:00:51 BoogieIcfgContainer [2018-11-18 16:00:51,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:00:51,251 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:00:51,251 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:00:51,252 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:00:51,252 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:00:31" (3/4) ... [2018-11-18 16:00:51,254 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:00:51,263 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:00:51,263 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 16:00:51,264 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:00:51,276 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 16:00:51,276 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 16:00:51,298 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(1 == \old(a21)) || (a8 <= 13 && a17 <= 0)) || !(8 == a12)) || (a8 <= 13 && !(a16 == 6))) || !(1 == \old(a20))) || !(5 == \old(a16))) || (!(1 == a20) && 1 == a21)) || (\old(a16) == a16 && !(a8 == 15))) || (1 == a21 && a17 <= 0)) || (1 == a21 && !(a16 == 4))) || !(0 == \old(a7))) || !(1 == \old(a17))) || (!(a8 == 15) && 1 == a21)) || !(15 == \old(a8)) [2018-11-18 16:00:51,354 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_51c56353-0929-4152-9493-e2cf63cddf19/bin-2019/utaipan/witness.graphml [2018-11-18 16:00:51,354 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:00:51,354 INFO L168 Benchmark]: Toolchain (without parser) took 21257.28 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 951.1 MB in the beginning and 1.8 GB in the end (delta: -873.5 MB). Peak memory consumption was 272.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:00:51,355 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:00:51,355 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.20 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 918.8 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:00:51,355 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 918.8 MB in the beginning and 1.1 GB in the end (delta: -210.4 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:00:51,355 INFO L168 Benchmark]: Boogie Preprocessor took 48.86 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 16:00:51,355 INFO L168 Benchmark]: RCFGBuilder took 754.89 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: 109.3 MB). Peak memory consumption was 109.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:00:51,355 INFO L168 Benchmark]: TraceAbstraction took 19913.93 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: -835.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-11-18 16:00:51,356 INFO L168 Benchmark]: Witness Printer took 102.44 ms. Allocated memory is still 2.2 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:00:51,357 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 357.20 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 918.8 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 918.8 MB in the beginning and 1.1 GB in the end (delta: -210.4 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.86 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 754.89 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: 109.3 MB). Peak memory consumption was 109.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19913.93 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: -835.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. * Witness Printer took 102.44 ms. Allocated memory is still 2.2 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 461]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((((!(1 == \old(a21)) || (a8 <= 13 && a17 <= 0)) || !(8 == a12)) || (a8 <= 13 && !(a16 == 6))) || !(1 == \old(a20))) || !(5 == \old(a16))) || (!(1 == a20) && 1 == a21)) || (\old(a16) == a16 && !(a8 == 15))) || (1 == a21 && a17 <= 0)) || (1 == a21 && !(a16 == 4))) || !(0 == \old(a7))) || !(1 == \old(a17))) || (!(a8 == 15) && 1 == a21)) || !(15 == \old(a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 19.8s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 13.0s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1872 SDtfs, 5804 SDslu, 1982 SDs, 0 SdLazy, 11004 SolverSat, 1804 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.8s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1588 GetRequests, 1482 SyntacticMatches, 9 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6707occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 5 AbstIntIterations, 2 AbstIntStrong, 0.997659047139221 AbsIntWeakeningRatio, 0.19498607242339833 AbsIntAvgWeakeningVarsNumRemoved, 27.972144846796656 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 290 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 350 PreInvPairs, 708 NumberOfFragments, 644 HoareAnnotationTreeSize, 350 FomulaSimplifications, 16774 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 13172 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2067 NumberOfCodeBlocks, 2067 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2608 ConstructedInterpolants, 0 QuantifiedInterpolants, 1038605 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1582 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 16 InterpolantComputations, 7 PerfectInterpolantSequences, 1369/1522 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...