./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label54_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label54_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/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 48edbfa8959379fa18549d69e0d1320a333e10c1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 20:27:54,477 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 20:27:54,479 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 20:27:54,486 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 20:27:54,487 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 20:27:54,487 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 20:27:54,488 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 20:27:54,489 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 20:27:54,490 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 20:27:54,491 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 20:27:54,491 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 20:27:54,492 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 20:27:54,492 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 20:27:54,493 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 20:27:54,493 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 20:27:54,494 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 20:27:54,494 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 20:27:54,495 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 20:27:54,496 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 20:27:54,497 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 20:27:54,497 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 20:27:54,498 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 20:27:54,499 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 20:27:54,499 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 20:27:54,499 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 20:27:54,500 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 20:27:54,500 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 20:27:54,500 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 20:27:54,501 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 20:27:54,502 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 20:27:54,502 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 20:27:54,502 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 20:27:54,502 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 20:27:54,503 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 20:27:54,503 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 20:27:54,504 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 20:27:54,504 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 20:27:54,514 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 20:27:54,514 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 20:27:54,515 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 20:27:54,515 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 20:27:54,515 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 20:27:54,515 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 20:27:54,516 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 20:27:54,516 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 20:27:54,516 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 20:27:54,516 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 20:27:54,516 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 20:27:54,516 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 20:27:54,516 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 20:27:54,517 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 20:27:54,517 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 20:27:54,517 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 20:27:54,517 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 20:27:54,517 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 20:27:54,517 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 20:27:54,518 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 20:27:54,518 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 20:27:54,518 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 20:27:54,518 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 20:27:54,518 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 20:27:54,518 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 20:27:54,518 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 20:27:54,519 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 20:27:54,519 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 20:27:54,519 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 20:27:54,519 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 20:27:54,519 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 20:27:54,519 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 20:27:54,519 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 20:27:54,519 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 20:27:54,519 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 20:27:54,519 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 20:27:54,519 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_b19502ce-2487-4e57-b97d-5bf95934a80b/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 -> 48edbfa8959379fa18549d69e0d1320a333e10c1 [2018-12-08 20:27:54,536 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 20:27:54,543 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 20:27:54,545 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 20:27:54,546 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 20:27:54,547 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 20:27:54,547 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem11_label54_true-unreach-call.c [2018-12-08 20:27:54,585 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/bin-2019/utaipan/data/deb1e7d27/edd0ec150b484d2fabfeda9d6853739d/FLAGa15523e6c [2018-12-08 20:27:55,013 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 20:27:55,014 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/sv-benchmarks/c/eca-rers2012/Problem11_label54_true-unreach-call.c [2018-12-08 20:27:55,021 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/bin-2019/utaipan/data/deb1e7d27/edd0ec150b484d2fabfeda9d6853739d/FLAGa15523e6c [2018-12-08 20:27:55,030 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/bin-2019/utaipan/data/deb1e7d27/edd0ec150b484d2fabfeda9d6853739d [2018-12-08 20:27:55,032 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 20:27:55,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 20:27:55,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 20:27:55,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 20:27:55,035 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 20:27:55,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:27:55" (1/1) ... [2018-12-08 20:27:55,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53e7e914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:27:55, skipping insertion in model container [2018-12-08 20:27:55,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:27:55" (1/1) ... [2018-12-08 20:27:55,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 20:27:55,071 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 20:27:55,305 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:27:55,308 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 20:27:55,434 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:27:55,444 INFO L195 MainTranslator]: Completed translation [2018-12-08 20:27:55,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:27:55 WrapperNode [2018-12-08 20:27:55,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 20:27:55,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 20:27:55,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 20:27:55,444 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 20:27:55,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:27:55" (1/1) ... [2018-12-08 20:27:55,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:27:55" (1/1) ... [2018-12-08 20:27:55,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 20:27:55,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 20:27:55,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 20:27:55,467 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 20:27:55,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:27:55" (1/1) ... [2018-12-08 20:27:55,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:27:55" (1/1) ... [2018-12-08 20:27:55,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:27:55" (1/1) ... [2018-12-08 20:27:55,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:27:55" (1/1) ... [2018-12-08 20:27:55,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:27:55" (1/1) ... [2018-12-08 20:27:55,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:27:55" (1/1) ... [2018-12-08 20:27:55,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:27:55" (1/1) ... [2018-12-08 20:27:55,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 20:27:55,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 20:27:55,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 20:27:55,516 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 20:27:55,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:27:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 20:27:55,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 20:27:55,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 20:27:55,548 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 20:27:55,549 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 20:27:55,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 20:27:55,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 20:27:55,549 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 20:27:55,549 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 20:27:56,517 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 20:27:56,517 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 20:27:56,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:27:56 BoogieIcfgContainer [2018-12-08 20:27:56,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 20:27:56,518 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 20:27:56,518 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 20:27:56,520 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 20:27:56,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 08:27:55" (1/3) ... [2018-12-08 20:27:56,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58c60520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:27:56, skipping insertion in model container [2018-12-08 20:27:56,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:27:55" (2/3) ... [2018-12-08 20:27:56,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58c60520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:27:56, skipping insertion in model container [2018-12-08 20:27:56,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:27:56" (3/3) ... [2018-12-08 20:27:56,522 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label54_true-unreach-call.c [2018-12-08 20:27:56,528 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 20:27:56,533 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 20:27:56,543 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 20:27:56,563 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 20:27:56,563 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 20:27:56,563 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 20:27:56,563 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 20:27:56,563 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 20:27:56,564 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 20:27:56,564 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 20:27:56,564 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 20:27:56,578 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2018-12-08 20:27:56,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 20:27:56,583 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:27:56,583 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:27:56,585 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:27:56,588 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:27:56,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1043442102, now seen corresponding path program 1 times [2018-12-08 20:27:56,589 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:27:56,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:27:56,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:27:56,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:27:56,619 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:27:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:27:56,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:27:56,753 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:27:56,753 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 20:27:56,753 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:27:56,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 20:27:56,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 20:27:56,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 20:27:56,766 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2018-12-08 20:27:57,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:27:57,823 INFO L93 Difference]: Finished difference Result 994 states and 1776 transitions. [2018-12-08 20:27:57,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 20:27:57,824 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2018-12-08 20:27:57,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:27:57,834 INFO L225 Difference]: With dead ends: 994 [2018-12-08 20:27:57,834 INFO L226 Difference]: Without dead ends: 620 [2018-12-08 20:27:57,838 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 20:27:57,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2018-12-08 20:27:57,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 614. [2018-12-08 20:27:57,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2018-12-08 20:27:57,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 908 transitions. [2018-12-08 20:27:57,883 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 908 transitions. Word has length 43 [2018-12-08 20:27:57,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:27:57,883 INFO L480 AbstractCegarLoop]: Abstraction has 614 states and 908 transitions. [2018-12-08 20:27:57,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 20:27:57,883 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 908 transitions. [2018-12-08 20:27:57,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-08 20:27:57,886 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:27:57,886 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:27:57,886 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:27:57,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:27:57,887 INFO L82 PathProgramCache]: Analyzing trace with hash 2051275321, now seen corresponding path program 1 times [2018-12-08 20:27:57,887 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:27:57,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:27:57,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:27:57,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:27:57,888 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:27:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:27:58,065 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:27:58,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:27:58,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 20:27:58,066 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:27:58,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 20:27:58,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 20:27:58,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-08 20:27:58,067 INFO L87 Difference]: Start difference. First operand 614 states and 908 transitions. Second operand 7 states. [2018-12-08 20:27:59,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:27:59,278 INFO L93 Difference]: Finished difference Result 1841 states and 2762 transitions. [2018-12-08 20:27:59,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 20:27:59,279 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 116 [2018-12-08 20:27:59,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:27:59,282 INFO L225 Difference]: With dead ends: 1841 [2018-12-08 20:27:59,283 INFO L226 Difference]: Without dead ends: 1233 [2018-12-08 20:27:59,284 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-12-08 20:27:59,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2018-12-08 20:27:59,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 823. [2018-12-08 20:27:59,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2018-12-08 20:27:59,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1139 transitions. [2018-12-08 20:27:59,307 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1139 transitions. Word has length 116 [2018-12-08 20:27:59,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:27:59,307 INFO L480 AbstractCegarLoop]: Abstraction has 823 states and 1139 transitions. [2018-12-08 20:27:59,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 20:27:59,307 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1139 transitions. [2018-12-08 20:27:59,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-08 20:27:59,311 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:27:59,311 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 20:27:59,311 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:27:59,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:27:59,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1378192135, now seen corresponding path program 1 times [2018-12-08 20:27:59,312 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:27:59,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:27:59,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:27:59,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:27:59,312 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:27:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:27:59,413 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 68 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 20:27:59,413 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:27:59,413 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:27:59,414 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 189 with the following transitions: [2018-12-08 20:27:59,415 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [510], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:27:59,438 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:27:59,438 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:27:59,794 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 20:27:59,795 INFO L272 AbstractInterpreter]: Visited 78 different actions 78 times. Never merged. Never widened. Performed 834 root evaluator evaluations with a maximum evaluation depth of 16. Performed 834 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Never found a fixpoint. Largest state had 28 variables. [2018-12-08 20:27:59,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:27:59,807 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 20:28:00,183 INFO L227 lantSequenceWeakener]: Weakened 179 states. On average, predicates are now at 73.47% of their original sizes. [2018-12-08 20:28:00,184 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 20:28:00,204 INFO L418 sIntCurrentIteration]: We unified 187 AI predicates to 187 [2018-12-08 20:28:00,205 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 20:28:00,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 20:28:00,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-08 20:28:00,206 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:28:00,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 20:28:00,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 20:28:00,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 20:28:00,207 INFO L87 Difference]: Start difference. First operand 823 states and 1139 transitions. Second operand 6 states. [2018-12-08 20:28:09,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:28:09,118 INFO L93 Difference]: Finished difference Result 1830 states and 2480 transitions. [2018-12-08 20:28:09,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 20:28:09,118 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 188 [2018-12-08 20:28:09,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:28:09,120 INFO L225 Difference]: With dead ends: 1830 [2018-12-08 20:28:09,120 INFO L226 Difference]: Without dead ends: 1013 [2018-12-08 20:28:09,121 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 188 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-08 20:28:09,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2018-12-08 20:28:09,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 1012. [2018-12-08 20:28:09,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1012 states. [2018-12-08 20:28:09,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 1337 transitions. [2018-12-08 20:28:09,134 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 1337 transitions. Word has length 188 [2018-12-08 20:28:09,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:28:09,134 INFO L480 AbstractCegarLoop]: Abstraction has 1012 states and 1337 transitions. [2018-12-08 20:28:09,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 20:28:09,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1337 transitions. [2018-12-08 20:28:09,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 20:28:09,136 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:28:09,137 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:28:09,137 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:28:09,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:28:09,137 INFO L82 PathProgramCache]: Analyzing trace with hash -859364105, now seen corresponding path program 1 times [2018-12-08 20:28:09,137 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:28:09,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:28:09,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:28:09,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:28:09,138 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:28:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:09,234 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 20:28:09,235 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:28:09,235 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:28:09,235 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 191 with the following transitions: [2018-12-08 20:28:09,235 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [869], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:28:09,240 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:28:09,240 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:28:09,418 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 20:28:09,418 INFO L272 AbstractInterpreter]: Visited 154 different actions 302 times. Merged at 4 different actions 4 times. Never widened. Performed 4012 root evaluator evaluations with a maximum evaluation depth of 8. Performed 4012 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-12-08 20:28:09,420 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:28:09,420 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 20:28:09,584 INFO L227 lantSequenceWeakener]: Weakened 187 states. On average, predicates are now at 75.36% of their original sizes. [2018-12-08 20:28:09,584 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 20:28:09,631 INFO L418 sIntCurrentIteration]: We unified 189 AI predicates to 189 [2018-12-08 20:28:09,631 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 20:28:09,631 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 20:28:09,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-12-08 20:28:09,631 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:28:09,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 20:28:09,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 20:28:09,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 20:28:09,632 INFO L87 Difference]: Start difference. First operand 1012 states and 1337 transitions. Second operand 10 states. [2018-12-08 20:28:35,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:28:35,846 INFO L93 Difference]: Finished difference Result 2794 states and 3979 transitions. [2018-12-08 20:28:35,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 20:28:35,846 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 190 [2018-12-08 20:28:35,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:28:35,850 INFO L225 Difference]: With dead ends: 2794 [2018-12-08 20:28:35,850 INFO L226 Difference]: Without dead ends: 1977 [2018-12-08 20:28:35,851 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 198 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-08 20:28:35,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1977 states. [2018-12-08 20:28:35,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1977 to 1969. [2018-12-08 20:28:35,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2018-12-08 20:28:35,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2478 transitions. [2018-12-08 20:28:35,875 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2478 transitions. Word has length 190 [2018-12-08 20:28:35,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:28:35,875 INFO L480 AbstractCegarLoop]: Abstraction has 1969 states and 2478 transitions. [2018-12-08 20:28:35,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 20:28:35,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2478 transitions. [2018-12-08 20:28:35,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-08 20:28:35,878 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:28:35,878 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:28:35,878 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:28:35,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:28:35,878 INFO L82 PathProgramCache]: Analyzing trace with hash -679917229, now seen corresponding path program 1 times [2018-12-08 20:28:35,878 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:28:35,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:28:35,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:28:35,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:28:35,879 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:28:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:36,003 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:28:36,003 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:28:36,003 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:28:36,003 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 233 with the following transitions: [2018-12-08 20:28:36,004 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:28:36,006 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:28:36,006 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:28:36,356 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:28:36,356 INFO L272 AbstractInterpreter]: Visited 125 different actions 370 times. Merged at 6 different actions 17 times. Never widened. Performed 4941 root evaluator evaluations with a maximum evaluation depth of 18. Performed 4941 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-08 20:28:36,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:28:36,363 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:28:36,363 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:28:36,364 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 20:28:36,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:28:36,370 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:28:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:36,421 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:28:38,513 WARN L854 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_4 Int)) (let ((.cse1 (* 9 v_prenex_4))) (let ((.cse0 (div .cse1 10))) (and (not (= 0 (mod (+ .cse0 30) 90))) (<= 0 (+ .cse0 58979)) (< (+ .cse0 58980) 0) (<= c_~a23~0 (+ (mod (+ .cse0 29) 90) 48)) (= (mod .cse1 10) 0) (<= |c_old(~a23~0)| v_prenex_4))))) (exists ((v_prenex_15 Int)) (let ((.cse4 (* 9 v_prenex_15))) (let ((.cse3 (div .cse4 10))) (let ((.cse2 (mod (+ .cse3 29) 90))) (and (<= |c_old(~a23~0)| v_prenex_15) (= .cse2 0) (= 0 (mod (+ .cse3 30) 90)) (<= c_~a23~0 (+ .cse2 48)) (= (mod .cse4 10) 0)))))) (exists ((v_prenex_1 Int)) (let ((.cse5 (* 9 v_prenex_1))) (let ((.cse6 (div .cse5 10))) (let ((.cse7 (mod (+ .cse6 29) 90))) (and (<= 0 .cse5) (< (+ .cse6 58979) 0) (<= (+ c_~a23~0 42) .cse7) (<= 0 (+ .cse6 58980)) (not (= .cse7 0)) (<= |c_old(~a23~0)| v_prenex_1)))))) (exists ((v_prenex_23 Int)) (let ((.cse9 (* 9 v_prenex_23))) (let ((.cse8 (div .cse9 10))) (and (<= |c_old(~a23~0)| v_prenex_23) (<= c_~a23~0 (+ (mod (+ .cse8 30) 90) 48)) (< .cse9 0) (not (= (mod .cse9 10) 0)) (= (mod (+ .cse8 29) 90) 0) (<= 0 (+ .cse8 58980)))))) (exists ((v_prenex_8 Int)) (let ((.cse10 (* 9 v_prenex_8))) (let ((.cse11 (div .cse10 10))) (and (<= 0 .cse10) (<= 0 (+ .cse11 58979)) (<= |c_old(~a23~0)| v_prenex_8) (<= c_~a23~0 (+ (mod (+ .cse11 29) 90) 48)) (= 0 (mod (+ .cse11 30) 90)))))) (exists ((v_prenex_16 Int)) (let ((.cse14 (* 9 v_prenex_16))) (let ((.cse13 (div .cse14 10))) (let ((.cse12 (mod (+ .cse13 29) 90))) (and (<= |c_old(~a23~0)| v_prenex_16) (<= (+ c_~a23~0 42) .cse12) (< (+ .cse13 58979) 0) (not (= .cse12 0)) (= 0 (mod (+ .cse13 30) 90)) (<= 0 .cse14)))))) (exists ((v_prenex_14 Int)) (let ((.cse17 (* 9 v_prenex_14))) (let ((.cse16 (div .cse17 10))) (let ((.cse15 (mod (+ .cse16 29) 90))) (and (= .cse15 0) (<= |c_old(~a23~0)| v_prenex_14) (<= c_~a23~0 (+ .cse15 48)) (< (+ .cse16 58980) 0) (not (= 0 (mod (+ .cse16 30) 90))) (<= 0 .cse17)))))) (exists ((v_prenex_7 Int)) (let ((.cse18 (* 9 v_prenex_7))) (let ((.cse19 (div .cse18 10))) (and (<= 0 .cse18) (<= 0 (+ .cse19 58979)) (<= c_~a23~0 (+ (mod (+ .cse19 29) 90) 48)) (<= |c_old(~a23~0)| v_prenex_7) (not (= 0 (mod (+ .cse19 30) 90))) (< (+ .cse19 58980) 0))))) (exists ((v_prenex_3 Int)) (let ((.cse20 (* 9 v_prenex_3))) (let ((.cse22 (div .cse20 10))) (let ((.cse21 (mod (+ .cse22 29) 90))) (and (= (mod .cse20 10) 0) (<= (+ c_~a23~0 42) .cse21) (not (= .cse21 0)) (<= |c_old(~a23~0)| v_prenex_3) (= 0 (mod (+ .cse22 30) 90)) (< (+ .cse22 58979) 0)))))) (exists ((v_prenex_24 Int)) (let ((.cse24 (* 9 v_prenex_24))) (let ((.cse23 (div .cse24 10))) (let ((.cse25 (mod (+ .cse23 30) 90))) (and (not (= (mod (+ .cse23 29) 90) 0)) (<= |c_old(~a23~0)| v_prenex_24) (not (= (mod .cse24 10) 0)) (< (+ .cse23 58979) 0) (< (+ .cse23 58980) 0) (<= (+ c_~a23~0 42) .cse25) (< .cse24 0) (not (= 0 .cse25))))))) (exists ((v_prenex_2 Int)) (let ((.cse27 (* 9 v_prenex_2))) (let ((.cse28 (div .cse27 10))) (let ((.cse26 (mod (+ .cse28 29) 90))) (and (<= c_~a23~0 (+ .cse26 48)) (<= |c_old(~a23~0)| v_prenex_2) (<= 0 .cse27) (= .cse26 0) (= 0 (mod (+ .cse28 30) 90))))))) (exists ((v_prenex_6 Int)) (let ((.cse30 (* 9 v_prenex_6))) (let ((.cse29 (div .cse30 10))) (let ((.cse31 (mod (+ .cse29 30) 90))) (and (< (+ .cse29 58979) 0) (not (= (mod (+ .cse29 29) 90) 0)) (< .cse30 0) (not (= (mod .cse30 10) 0)) (= 0 .cse31) (<= c_~a23~0 (+ .cse31 48)) (<= |c_old(~a23~0)| v_prenex_6)))))) (exists ((v_prenex_17 Int)) (let ((.cse32 (* 9 v_prenex_17))) (let ((.cse34 (div .cse32 10))) (let ((.cse33 (mod (+ .cse34 30) 90))) (and (< .cse32 0) (= 0 .cse33) (<= |c_old(~a23~0)| v_prenex_17) (<= c_~a23~0 (+ .cse33 48)) (= (mod (+ .cse34 29) 90) 0) (not (= (mod .cse32 10) 0))))))) (exists ((v_prenex_20 Int)) (let ((.cse35 (* 9 v_prenex_20))) (let ((.cse36 (div .cse35 10))) (and (not (= (mod .cse35 10) 0)) (<= c_~a23~0 (+ (mod (+ .cse36 30) 90) 48)) (<= |c_old(~a23~0)| v_prenex_20) (<= 0 (+ .cse36 58979)) (<= 0 (+ .cse36 58980)) (< .cse35 0))))) (exists ((v_prenex_22 Int)) (let ((.cse39 (* 9 v_prenex_22))) (let ((.cse38 (div .cse39 10))) (let ((.cse37 (mod (+ .cse38 29) 90))) (and (<= (+ c_~a23~0 42) .cse37) (<= |c_old(~a23~0)| v_prenex_22) (not (= 0 (mod (+ .cse38 30) 90))) (< (+ .cse38 58980) 0) (not (= .cse37 0)) (= (mod .cse39 10) 0) (< (+ .cse38 58979) 0)))))) (exists ((v_prenex_10 Int)) (let ((.cse40 (* 9 v_prenex_10))) (let ((.cse41 (div .cse40 10))) (and (< .cse40 0) (not (= (mod (+ .cse41 29) 90) 0)) (not (= (mod .cse40 10) 0)) (< (+ .cse41 58979) 0) (<= c_~a23~0 (+ (mod (+ .cse41 30) 90) 48)) (<= 0 (+ .cse41 58980)) (<= |c_old(~a23~0)| v_prenex_10))))) (exists ((v_prenex_26 Int)) (let ((.cse43 (* 9 v_prenex_26))) (let ((.cse42 (div .cse43 10))) (and (<= |c_old(~a23~0)| v_prenex_26) (<= 0 (+ .cse42 58980)) (<= 0 (+ .cse42 58979)) (<= c_~a23~0 (+ (mod (+ .cse42 29) 90) 48)) (<= 0 .cse43))))) (exists ((v_prenex_19 Int)) (let ((.cse46 (* 9 v_prenex_19))) (let ((.cse44 (div .cse46 10))) (let ((.cse45 (mod (+ .cse44 29) 90))) (and (<= 0 (+ .cse44 58980)) (< (+ .cse44 58979) 0) (<= (+ c_~a23~0 42) .cse45) (= (mod .cse46 10) 0) (not (= .cse45 0)) (<= |c_old(~a23~0)| v_prenex_19)))))) (exists ((v_prenex_13 Int)) (let ((.cse49 (* 9 v_prenex_13))) (let ((.cse48 (div .cse49 10))) (let ((.cse47 (mod (+ .cse48 29) 90))) (and (= .cse47 0) (<= c_~a23~0 (+ .cse47 48)) (<= |c_old(~a23~0)| v_prenex_13) (<= 0 (+ .cse48 58980)) (<= 0 .cse49)))))) (exists ((v_prenex_9 Int)) (let ((.cse51 (* 9 v_prenex_9))) (let ((.cse50 (div .cse51 10))) (and (<= |c_old(~a23~0)| v_prenex_9) (= 0 (mod (+ .cse50 30) 90)) (<= c_~a23~0 (+ (mod (+ .cse50 29) 90) 48)) (<= 0 (+ .cse50 58979)) (= (mod .cse51 10) 0))))) (exists ((v_prenex_25 Int)) (let ((.cse53 (* 9 v_prenex_25))) (let ((.cse54 (div .cse53 10))) (let ((.cse52 (mod (+ .cse54 29) 90))) (and (= .cse52 0) (= (mod .cse53 10) 0) (<= |c_old(~a23~0)| v_prenex_25) (<= c_~a23~0 (+ .cse52 48)) (not (= 0 (mod (+ .cse54 30) 90))) (< (+ .cse54 58980) 0)))))) (exists ((v_prenex_12 Int)) (let ((.cse56 (* 9 v_prenex_12))) (let ((.cse55 (div .cse56 10))) (and (<= |c_old(~a23~0)| v_prenex_12) (<= 0 (+ .cse55 58980)) (<= c_~a23~0 (+ (mod (+ .cse55 29) 90) 48)) (<= 0 (+ .cse55 58979)) (= (mod .cse56 10) 0))))) (exists ((v_prenex_18 Int)) (let ((.cse57 (* 9 v_prenex_18))) (let ((.cse59 (div .cse57 10))) (let ((.cse58 (mod (+ .cse59 29) 90))) (and (<= 0 .cse57) (not (= .cse58 0)) (< (+ .cse59 58979) 0) (< (+ .cse59 58980) 0) (not (= 0 (mod (+ .cse59 30) 90))) (<= |c_old(~a23~0)| v_prenex_18) (<= (+ c_~a23~0 42) .cse58)))))) (exists ((v_~a23~0_478 Int)) (let ((.cse60 (* 9 v_~a23~0_478))) (let ((.cse62 (div .cse60 10))) (let ((.cse61 (mod (+ .cse62 30) 90))) (and (not (= (mod .cse60 10) 0)) (<= (+ c_~a23~0 42) .cse61) (not (= 0 .cse61)) (< (+ .cse62 58980) 0) (<= 0 (+ .cse62 58979)) (< .cse60 0) (<= |c_old(~a23~0)| v_~a23~0_478)))))) (exists ((v_prenex_21 Int)) (let ((.cse64 (* 9 v_prenex_21))) (let ((.cse65 (div .cse64 10))) (let ((.cse63 (mod (+ .cse65 29) 90))) (and (= .cse63 0) (<= |c_old(~a23~0)| v_prenex_21) (= (mod .cse64 10) 0) (<= c_~a23~0 (+ .cse63 48)) (<= 0 (+ .cse65 58980))))))) (exists ((v_prenex_11 Int)) (let ((.cse68 (* 9 v_prenex_11))) (let ((.cse66 (div .cse68 10))) (let ((.cse67 (mod (+ .cse66 30) 90))) (and (<= 0 (+ .cse66 58979)) (<= c_~a23~0 (+ .cse67 48)) (<= |c_old(~a23~0)| v_prenex_11) (< .cse68 0) (= 0 .cse67) (not (= (mod .cse68 10) 0))))))) (exists ((v_prenex_5 Int)) (let ((.cse71 (* 9 v_prenex_5))) (let ((.cse69 (div .cse71 10))) (let ((.cse70 (mod (+ .cse69 30) 90))) (and (= (mod (+ .cse69 29) 90) 0) (not (= 0 .cse70)) (< (+ .cse69 58980) 0) (<= (+ c_~a23~0 42) .cse70) (not (= (mod .cse71 10) 0)) (<= |c_old(~a23~0)| v_prenex_5) (< .cse71 0))))))) is different from true [2018-12-08 20:28:38,774 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 70 trivial. 2 not checked. [2018-12-08 20:28:38,775 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:28:38,866 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:28:38,882 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-08 20:28:38,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 6] total 9 [2018-12-08 20:28:38,883 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:28:38,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 20:28:38,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 20:28:38,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=41, Unknown=1, NotChecked=12, Total=72 [2018-12-08 20:28:38,884 INFO L87 Difference]: Start difference. First operand 1969 states and 2478 transitions. Second operand 3 states. [2018-12-08 20:28:39,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:28:39,439 INFO L93 Difference]: Finished difference Result 3362 states and 4538 transitions. [2018-12-08 20:28:39,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 20:28:39,439 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 232 [2018-12-08 20:28:39,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:28:39,447 INFO L225 Difference]: With dead ends: 3362 [2018-12-08 20:28:39,447 INFO L226 Difference]: Without dead ends: 2545 [2018-12-08 20:28:39,450 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 462 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=18, Invalid=41, Unknown=1, NotChecked=12, Total=72 [2018-12-08 20:28:39,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2545 states. [2018-12-08 20:28:39,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2545 to 2545. [2018-12-08 20:28:39,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2545 states. [2018-12-08 20:28:39,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2545 states to 2545 states and 3298 transitions. [2018-12-08 20:28:39,485 INFO L78 Accepts]: Start accepts. Automaton has 2545 states and 3298 transitions. Word has length 232 [2018-12-08 20:28:39,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:28:39,485 INFO L480 AbstractCegarLoop]: Abstraction has 2545 states and 3298 transitions. [2018-12-08 20:28:39,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 20:28:39,485 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 3298 transitions. [2018-12-08 20:28:39,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-12-08 20:28:39,488 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:28:39,488 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:28:39,488 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:28:39,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:28:39,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1349983275, now seen corresponding path program 1 times [2018-12-08 20:28:39,489 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:28:39,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:28:39,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:28:39,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:28:39,490 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:28:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:39,576 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-08 20:28:39,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:28:39,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 20:28:39,577 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:28:39,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 20:28:39,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 20:28:39,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 20:28:39,578 INFO L87 Difference]: Start difference. First operand 2545 states and 3298 transitions. Second operand 4 states. [2018-12-08 20:28:40,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:28:40,524 INFO L93 Difference]: Finished difference Result 7582 states and 10586 transitions. [2018-12-08 20:28:40,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 20:28:40,525 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 260 [2018-12-08 20:28:40,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:28:40,546 INFO L225 Difference]: With dead ends: 7582 [2018-12-08 20:28:40,547 INFO L226 Difference]: Without dead ends: 5231 [2018-12-08 20:28:40,551 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 20:28:40,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5231 states. [2018-12-08 20:28:40,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5231 to 5214. [2018-12-08 20:28:40,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5214 states. [2018-12-08 20:28:40,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5214 states to 5214 states and 7015 transitions. [2018-12-08 20:28:40,615 INFO L78 Accepts]: Start accepts. Automaton has 5214 states and 7015 transitions. Word has length 260 [2018-12-08 20:28:40,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:28:40,616 INFO L480 AbstractCegarLoop]: Abstraction has 5214 states and 7015 transitions. [2018-12-08 20:28:40,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 20:28:40,616 INFO L276 IsEmpty]: Start isEmpty. Operand 5214 states and 7015 transitions. [2018-12-08 20:28:40,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-08 20:28:40,619 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:28:40,619 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 20:28:40,619 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:28:40,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:28:40,620 INFO L82 PathProgramCache]: Analyzing trace with hash -193843141, now seen corresponding path program 1 times [2018-12-08 20:28:40,620 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:28:40,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:28:40,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:28:40,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:28:40,620 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:28:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:40,740 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 7 proven. 68 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-08 20:28:40,740 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:28:40,740 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:28:40,740 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 269 with the following transitions: [2018-12-08 20:28:40,740 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [661], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:28:40,743 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:28:40,743 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:28:40,940 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:28:40,940 INFO L272 AbstractInterpreter]: Visited 125 different actions 366 times. Merged at 6 different actions 13 times. Never widened. Performed 4863 root evaluator evaluations with a maximum evaluation depth of 16. Performed 4863 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-08 20:28:40,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:28:40,942 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:28:40,942 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:28:40,942 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 20:28:40,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:28:40,981 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:28:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:41,032 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:28:42,142 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 7 proven. 68 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-08 20:28:42,143 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:28:42,187 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-08 20:28:42,202 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-08 20:28:42,202 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 6] total 9 [2018-12-08 20:28:42,203 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:28:42,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 20:28:42,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 20:28:42,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=49, Unknown=1, NotChecked=0, Total=72 [2018-12-08 20:28:42,203 INFO L87 Difference]: Start difference. First operand 5214 states and 7015 transitions. Second operand 3 states. [2018-12-08 20:28:42,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:28:42,815 INFO L93 Difference]: Finished difference Result 10229 states and 14469 transitions. [2018-12-08 20:28:42,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 20:28:42,816 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 268 [2018-12-08 20:28:42,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:28:42,836 INFO L225 Difference]: With dead ends: 10229 [2018-12-08 20:28:42,836 INFO L226 Difference]: Without dead ends: 6545 [2018-12-08 20:28:42,843 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 546 GetRequests, 535 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=22, Invalid=49, Unknown=1, NotChecked=0, Total=72 [2018-12-08 20:28:42,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6545 states. [2018-12-08 20:28:42,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6545 to 6351. [2018-12-08 20:28:42,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6351 states. [2018-12-08 20:28:42,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6351 states to 6351 states and 8493 transitions. [2018-12-08 20:28:42,914 INFO L78 Accepts]: Start accepts. Automaton has 6351 states and 8493 transitions. Word has length 268 [2018-12-08 20:28:42,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:28:42,915 INFO L480 AbstractCegarLoop]: Abstraction has 6351 states and 8493 transitions. [2018-12-08 20:28:42,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 20:28:42,915 INFO L276 IsEmpty]: Start isEmpty. Operand 6351 states and 8493 transitions. [2018-12-08 20:28:42,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-12-08 20:28:42,921 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:28:42,921 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 20:28:42,922 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:28:42,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:28:42,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1229796476, now seen corresponding path program 1 times [2018-12-08 20:28:42,922 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:28:42,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:28:42,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:28:42,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:28:42,923 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:28:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:43,057 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 7 proven. 68 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2018-12-08 20:28:43,057 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:28:43,057 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:28:43,057 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 335 with the following transitions: [2018-12-08 20:28:43,057 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [850], [851], [862], [866], [869], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:28:43,059 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:28:43,059 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:28:43,304 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:28:43,304 INFO L272 AbstractInterpreter]: Visited 156 different actions 611 times. Merged at 6 different actions 19 times. Never widened. Performed 8529 root evaluator evaluations with a maximum evaluation depth of 8. Performed 8529 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 4 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-08 20:28:43,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:28:43,307 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:28:43,307 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:28:43,307 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/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 [2018-12-08 20:28:43,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:28:43,313 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:28:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:43,368 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:28:43,427 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2018-12-08 20:28:43,427 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:28:43,564 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2018-12-08 20:28:43,579 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-08 20:28:43,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 11 [2018-12-08 20:28:43,579 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:28:43,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 20:28:43,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 20:28:43,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2018-12-08 20:28:43,580 INFO L87 Difference]: Start difference. First operand 6351 states and 8493 transitions. Second operand 6 states. [2018-12-08 20:28:45,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:28:45,223 INFO L93 Difference]: Finished difference Result 13849 states and 19293 transitions. [2018-12-08 20:28:45,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 20:28:45,224 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 334 [2018-12-08 20:28:45,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:28:45,248 INFO L225 Difference]: With dead ends: 13849 [2018-12-08 20:28:45,249 INFO L226 Difference]: Without dead ends: 9028 [2018-12-08 20:28:45,255 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 678 GetRequests, 667 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2018-12-08 20:28:45,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9028 states. [2018-12-08 20:28:45,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9028 to 9026. [2018-12-08 20:28:45,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9026 states. [2018-12-08 20:28:45,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9026 states to 9026 states and 12416 transitions. [2018-12-08 20:28:45,348 INFO L78 Accepts]: Start accepts. Automaton has 9026 states and 12416 transitions. Word has length 334 [2018-12-08 20:28:45,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:28:45,348 INFO L480 AbstractCegarLoop]: Abstraction has 9026 states and 12416 transitions. [2018-12-08 20:28:45,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 20:28:45,348 INFO L276 IsEmpty]: Start isEmpty. Operand 9026 states and 12416 transitions. [2018-12-08 20:28:45,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2018-12-08 20:28:45,357 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:28:45,358 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:28:45,358 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:28:45,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:28:45,358 INFO L82 PathProgramCache]: Analyzing trace with hash 88845799, now seen corresponding path program 1 times [2018-12-08 20:28:45,358 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:28:45,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:28:45,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:28:45,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:28:45,359 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:28:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:45,522 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 298 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:28:45,522 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:28:45,522 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:28:45,522 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 397 with the following transitions: [2018-12-08 20:28:45,522 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [951], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:28:45,524 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:28:45,524 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:28:45,923 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:28:45,923 INFO L272 AbstractInterpreter]: Visited 174 different actions 513 times. Merged at 6 different actions 13 times. Never widened. Performed 7150 root evaluator evaluations with a maximum evaluation depth of 18. Performed 7150 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-08 20:28:45,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:28:45,927 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:28:45,927 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:28:45,927 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 20:28:45,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:28:45,933 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:28:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:45,991 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:28:46,063 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 298 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:28:46,063 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:28:46,198 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 298 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:28:46,213 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 20:28:46,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-08 20:28:46,213 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 20:28:46,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 20:28:46,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 20:28:46,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-08 20:28:46,214 INFO L87 Difference]: Start difference. First operand 9026 states and 12416 transitions. Second operand 9 states. [2018-12-08 20:28:48,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:28:48,504 INFO L93 Difference]: Finished difference Result 20513 states and 31616 transitions. [2018-12-08 20:28:48,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 20:28:48,505 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 396 [2018-12-08 20:28:48,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:28:48,536 INFO L225 Difference]: With dead ends: 20513 [2018-12-08 20:28:48,537 INFO L226 Difference]: Without dead ends: 11869 [2018-12-08 20:28:48,548 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 809 GetRequests, 793 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2018-12-08 20:28:48,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11869 states. [2018-12-08 20:28:48,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11869 to 11709. [2018-12-08 20:28:48,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11709 states. [2018-12-08 20:28:48,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11709 states to 11709 states and 17094 transitions. [2018-12-08 20:28:48,751 INFO L78 Accepts]: Start accepts. Automaton has 11709 states and 17094 transitions. Word has length 396 [2018-12-08 20:28:48,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:28:48,751 INFO L480 AbstractCegarLoop]: Abstraction has 11709 states and 17094 transitions. [2018-12-08 20:28:48,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 20:28:48,751 INFO L276 IsEmpty]: Start isEmpty. Operand 11709 states and 17094 transitions. [2018-12-08 20:28:48,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-12-08 20:28:48,764 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:28:48,764 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:28:48,764 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:28:48,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:28:48,764 INFO L82 PathProgramCache]: Analyzing trace with hash -907071076, now seen corresponding path program 1 times [2018-12-08 20:28:48,765 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:28:48,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:28:48,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:28:48,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:28:48,765 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:28:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:48,942 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 309 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-08 20:28:48,942 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:28:48,943 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:28:48,943 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 408 with the following transitions: [2018-12-08 20:28:48,943 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [951], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:28:48,945 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:28:48,945 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:28:49,274 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:28:49,274 INFO L272 AbstractInterpreter]: Visited 174 different actions 684 times. Merged at 6 different actions 20 times. Never widened. Performed 9647 root evaluator evaluations with a maximum evaluation depth of 16. Performed 9647 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 4 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-08 20:28:49,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:28:49,276 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:28:49,276 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:28:49,276 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 20:28:49,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:28:49,282 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:28:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:49,336 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:28:49,413 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 309 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-08 20:28:49,414 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:28:49,545 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 309 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-08 20:28:49,560 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 20:28:49,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-08 20:28:49,560 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 20:28:49,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 20:28:49,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 20:28:49,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-08 20:28:49,561 INFO L87 Difference]: Start difference. First operand 11709 states and 17094 transitions. Second operand 9 states. [2018-12-08 20:28:52,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:28:52,279 INFO L93 Difference]: Finished difference Result 30113 states and 51609 transitions. [2018-12-08 20:28:52,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 20:28:52,280 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 407 [2018-12-08 20:28:52,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:28:52,348 INFO L225 Difference]: With dead ends: 30113 [2018-12-08 20:28:52,349 INFO L226 Difference]: Without dead ends: 18788 [2018-12-08 20:28:52,373 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 835 GetRequests, 817 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-12-08 20:28:52,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18788 states. [2018-12-08 20:28:52,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18788 to 18585. [2018-12-08 20:28:52,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18585 states. [2018-12-08 20:28:52,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18585 states to 18585 states and 30717 transitions. [2018-12-08 20:28:52,711 INFO L78 Accepts]: Start accepts. Automaton has 18585 states and 30717 transitions. Word has length 407 [2018-12-08 20:28:52,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:28:52,712 INFO L480 AbstractCegarLoop]: Abstraction has 18585 states and 30717 transitions. [2018-12-08 20:28:52,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 20:28:52,712 INFO L276 IsEmpty]: Start isEmpty. Operand 18585 states and 30717 transitions. [2018-12-08 20:28:52,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-12-08 20:28:52,729 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:28:52,730 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-08 20:28:52,730 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:28:52,730 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:28:52,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1281526593, now seen corresponding path program 1 times [2018-12-08 20:28:52,730 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:28:52,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:28:52,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:28:52,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:28:52,730 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:28:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:52,918 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 321 proven. 99 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 20:28:52,918 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:28:52,918 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:28:52,918 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 425 with the following transitions: [2018-12-08 20:28:52,918 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [629], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [951], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:28:52,920 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:28:52,920 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:28:53,313 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:28:53,313 INFO L272 AbstractInterpreter]: Visited 174 different actions 517 times. Merged at 6 different actions 17 times. Never widened. Performed 7217 root evaluator evaluations with a maximum evaluation depth of 16. Performed 7217 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-08 20:28:53,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:28:53,314 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:28:53,314 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:28:53,315 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 20:28:53,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:28:53,322 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:28:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:53,382 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:28:53,444 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 326 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-08 20:28:53,445 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:28:53,555 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 326 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-08 20:28:53,571 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 20:28:53,571 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7 [2018-12-08 20:28:53,571 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 20:28:53,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 20:28:53,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 20:28:53,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-08 20:28:53,572 INFO L87 Difference]: Start difference. First operand 18585 states and 30717 transitions. Second operand 6 states. [2018-12-08 20:28:54,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:28:54,709 INFO L93 Difference]: Finished difference Result 37305 states and 66522 transitions. [2018-12-08 20:28:54,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 20:28:54,710 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 424 [2018-12-08 20:28:54,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:28:54,775 INFO L225 Difference]: With dead ends: 37305 [2018-12-08 20:28:54,775 INFO L226 Difference]: Without dead ends: 21244 [2018-12-08 20:28:54,817 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 861 GetRequests, 849 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-12-08 20:28:54,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21244 states. [2018-12-08 20:28:55,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21244 to 20419. [2018-12-08 20:28:55,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20419 states. [2018-12-08 20:28:55,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20419 states to 20419 states and 30410 transitions. [2018-12-08 20:28:55,187 INFO L78 Accepts]: Start accepts. Automaton has 20419 states and 30410 transitions. Word has length 424 [2018-12-08 20:28:55,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:28:55,187 INFO L480 AbstractCegarLoop]: Abstraction has 20419 states and 30410 transitions. [2018-12-08 20:28:55,187 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 20:28:55,187 INFO L276 IsEmpty]: Start isEmpty. Operand 20419 states and 30410 transitions. [2018-12-08 20:28:55,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2018-12-08 20:28:55,212 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:28:55,212 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:28:55,212 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:28:55,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:28:55,213 INFO L82 PathProgramCache]: Analyzing trace with hash 454542788, now seen corresponding path program 1 times [2018-12-08 20:28:55,213 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:28:55,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:28:55,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:28:55,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:28:55,213 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:28:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:55,408 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 343 proven. 95 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2018-12-08 20:28:55,409 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:28:55,409 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:28:55,409 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 534 with the following transitions: [2018-12-08 20:28:55,409 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [598], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [726], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [850], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:28:55,411 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:28:55,411 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:28:56,445 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:28:56,445 INFO L272 AbstractInterpreter]: Visited 157 different actions 631 times. Merged at 8 different actions 35 times. Widened at 1 different actions 1 times. Performed 9086 root evaluator evaluations with a maximum evaluation depth of 21. Performed 9086 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 10 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-08 20:28:56,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:28:56,448 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:28:56,448 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:28:56,448 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 20:28:56,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:28:56,454 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:28:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:56,521 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:28:56,599 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 642 proven. 2 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-12-08 20:28:56,599 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:28:56,725 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 343 proven. 95 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2018-12-08 20:28:56,740 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 20:28:56,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-12-08 20:28:56,741 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 20:28:56,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 20:28:56,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 20:28:56,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-08 20:28:56,741 INFO L87 Difference]: Start difference. First operand 20419 states and 30410 transitions. Second operand 7 states. [2018-12-08 20:28:57,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:28:57,967 INFO L93 Difference]: Finished difference Result 44180 states and 67454 transitions. [2018-12-08 20:28:57,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 20:28:57,967 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 533 [2018-12-08 20:28:57,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:28:58,032 INFO L225 Difference]: With dead ends: 44180 [2018-12-08 20:28:58,032 INFO L226 Difference]: Without dead ends: 24145 [2018-12-08 20:28:58,066 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1081 GetRequests, 1068 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2018-12-08 20:28:58,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24145 states. [2018-12-08 20:28:58,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24145 to 20583. [2018-12-08 20:28:58,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20583 states. [2018-12-08 20:28:58,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20583 states to 20583 states and 27666 transitions. [2018-12-08 20:28:58,396 INFO L78 Accepts]: Start accepts. Automaton has 20583 states and 27666 transitions. Word has length 533 [2018-12-08 20:28:58,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:28:58,396 INFO L480 AbstractCegarLoop]: Abstraction has 20583 states and 27666 transitions. [2018-12-08 20:28:58,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 20:28:58,396 INFO L276 IsEmpty]: Start isEmpty. Operand 20583 states and 27666 transitions. [2018-12-08 20:28:58,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 569 [2018-12-08 20:28:58,423 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:28:58,423 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2018-12-08 20:28:58,423 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:28:58,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:28:58,423 INFO L82 PathProgramCache]: Analyzing trace with hash 100827436, now seen corresponding path program 1 times [2018-12-08 20:28:58,423 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:28:58,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:28:58,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:28:58,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:28:58,424 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:28:58,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:58,701 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 241 proven. 319 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2018-12-08 20:28:58,701 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:28:58,702 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:28:58,702 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 569 with the following transitions: [2018-12-08 20:28:58,702 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [574], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [850], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [971], [975], [979], [983], [987], [991], [1002], [1005], [1008], [1012], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:28:58,704 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:28:58,704 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:28:59,214 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:28:59,214 INFO L272 AbstractInterpreter]: Visited 187 different actions 749 times. Merged at 8 different actions 35 times. Never widened. Performed 10738 root evaluator evaluations with a maximum evaluation depth of 18. Performed 10738 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 10 fixpoints after 3 different actions. Largest state had 28 variables. [2018-12-08 20:28:59,216 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:28:59,216 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:28:59,216 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:28:59,216 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 20:28:59,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:28:59,222 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:28:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:59,292 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:28:59,397 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 635 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-12-08 20:28:59,397 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:28:59,542 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 331 proven. 89 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2018-12-08 20:28:59,557 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 20:28:59,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2018-12-08 20:28:59,557 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 20:28:59,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 20:28:59,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 20:28:59,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-12-08 20:28:59,558 INFO L87 Difference]: Start difference. First operand 20583 states and 27666 transitions. Second operand 10 states. [2018-12-08 20:29:01,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:29:01,117 INFO L93 Difference]: Finished difference Result 43461 states and 57841 transitions. [2018-12-08 20:29:01,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 20:29:01,118 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 568 [2018-12-08 20:29:01,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:29:01,164 INFO L225 Difference]: With dead ends: 43461 [2018-12-08 20:29:01,164 INFO L226 Difference]: Without dead ends: 25813 [2018-12-08 20:29:01,191 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1157 GetRequests, 1138 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2018-12-08 20:29:01,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25813 states. [2018-12-08 20:29:01,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25813 to 24845. [2018-12-08 20:29:01,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24845 states. [2018-12-08 20:29:01,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24845 states to 24845 states and 32460 transitions. [2018-12-08 20:29:01,509 INFO L78 Accepts]: Start accepts. Automaton has 24845 states and 32460 transitions. Word has length 568 [2018-12-08 20:29:01,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:29:01,509 INFO L480 AbstractCegarLoop]: Abstraction has 24845 states and 32460 transitions. [2018-12-08 20:29:01,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 20:29:01,509 INFO L276 IsEmpty]: Start isEmpty. Operand 24845 states and 32460 transitions. [2018-12-08 20:29:01,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 601 [2018-12-08 20:29:01,547 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:29:01,548 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:29:01,548 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:29:01,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:29:01,548 INFO L82 PathProgramCache]: Analyzing trace with hash -638979291, now seen corresponding path program 1 times [2018-12-08 20:29:01,548 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:29:01,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:29:01,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:29:01,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:29:01,549 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:29:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:29:01,878 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 402 proven. 144 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2018-12-08 20:29:01,879 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:29:01,879 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:29:01,879 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 601 with the following transitions: [2018-12-08 20:29:01,879 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [726], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [850], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [943], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:29:01,881 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:29:01,882 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:29:03,101 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:29:03,101 INFO L272 AbstractInterpreter]: Visited 175 different actions 701 times. Merged at 8 different actions 33 times. Widened at 1 different actions 1 times. Performed 10253 root evaluator evaluations with a maximum evaluation depth of 21. Performed 10253 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 9 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-08 20:29:03,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:29:03,104 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:29:03,104 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:29:03,104 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 20:29:03,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:29:03,110 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:29:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:29:03,184 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:29:03,313 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 750 proven. 2 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-12-08 20:29:03,313 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:29:03,491 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 402 proven. 144 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2018-12-08 20:29:03,507 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 20:29:03,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-12-08 20:29:03,507 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 20:29:03,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 20:29:03,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 20:29:03,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-08 20:29:03,508 INFO L87 Difference]: Start difference. First operand 24845 states and 32460 transitions. Second operand 7 states. [2018-12-08 20:29:05,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:29:05,043 INFO L93 Difference]: Finished difference Result 51601 states and 67280 transitions. [2018-12-08 20:29:05,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 20:29:05,043 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 600 [2018-12-08 20:29:05,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:29:05,090 INFO L225 Difference]: With dead ends: 51601 [2018-12-08 20:29:05,091 INFO L226 Difference]: Without dead ends: 27140 [2018-12-08 20:29:05,124 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1215 GetRequests, 1201 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2018-12-08 20:29:05,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27140 states. [2018-12-08 20:29:05,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27140 to 27123. [2018-12-08 20:29:05,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27123 states. [2018-12-08 20:29:05,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27123 states to 27123 states and 33913 transitions. [2018-12-08 20:29:05,480 INFO L78 Accepts]: Start accepts. Automaton has 27123 states and 33913 transitions. Word has length 600 [2018-12-08 20:29:05,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:29:05,480 INFO L480 AbstractCegarLoop]: Abstraction has 27123 states and 33913 transitions. [2018-12-08 20:29:05,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 20:29:05,480 INFO L276 IsEmpty]: Start isEmpty. Operand 27123 states and 33913 transitions. [2018-12-08 20:29:05,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 650 [2018-12-08 20:29:05,505 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:29:05,505 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:29:05,505 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:29:05,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:29:05,505 INFO L82 PathProgramCache]: Analyzing trace with hash 775574876, now seen corresponding path program 1 times [2018-12-08 20:29:05,505 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:29:05,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:29:05,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:29:05,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:29:05,506 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:29:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:29:05,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1229 backedges. 397 proven. 198 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2018-12-08 20:29:05,762 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:29:05,762 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:29:05,762 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 650 with the following transitions: [2018-12-08 20:29:05,762 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [618], [623], [625], [626], [630], [633], [634], [638], [642], [646], [650], [653], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [951], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:29:05,764 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:29:05,764 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:29:06,127 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:29:06,127 INFO L272 AbstractInterpreter]: Visited 180 different actions 896 times. Merged at 9 different actions 42 times. Widened at 1 different actions 1 times. Performed 13069 root evaluator evaluations with a maximum evaluation depth of 10. Performed 13069 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 15 fixpoints after 4 different actions. Largest state had 28 variables. [2018-12-08 20:29:06,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:29:06,131 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:29:06,131 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:29:06,131 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 20:29:06,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:29:06,137 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:29:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:29:06,227 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:29:06,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1229 backedges. 754 proven. 6 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2018-12-08 20:29:06,387 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:29:06,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1229 backedges. 206 proven. 810 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2018-12-08 20:29:06,768 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 20:29:06,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 15 [2018-12-08 20:29:06,769 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 20:29:06,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 20:29:06,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 20:29:06,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2018-12-08 20:29:06,769 INFO L87 Difference]: Start difference. First operand 27123 states and 33913 transitions. Second operand 11 states. [2018-12-08 20:29:09,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:29:09,920 INFO L93 Difference]: Finished difference Result 60279 states and 77739 transitions. [2018-12-08 20:29:09,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-08 20:29:09,921 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 649 [2018-12-08 20:29:09,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:29:09,996 INFO L225 Difference]: With dead ends: 60279 [2018-12-08 20:29:09,996 INFO L226 Difference]: Without dead ends: 36035 [2018-12-08 20:29:10,031 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1325 GetRequests, 1297 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=196, Invalid=454, Unknown=0, NotChecked=0, Total=650 [2018-12-08 20:29:10,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36035 states. [2018-12-08 20:29:10,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36035 to 34537. [2018-12-08 20:29:10,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34537 states. [2018-12-08 20:29:10,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34537 states to 34537 states and 43157 transitions. [2018-12-08 20:29:10,496 INFO L78 Accepts]: Start accepts. Automaton has 34537 states and 43157 transitions. Word has length 649 [2018-12-08 20:29:10,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:29:10,496 INFO L480 AbstractCegarLoop]: Abstraction has 34537 states and 43157 transitions. [2018-12-08 20:29:10,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 20:29:10,496 INFO L276 IsEmpty]: Start isEmpty. Operand 34537 states and 43157 transitions. [2018-12-08 20:29:10,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 680 [2018-12-08 20:29:10,527 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:29:10,528 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:29:10,528 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:29:10,528 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:29:10,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1481599126, now seen corresponding path program 1 times [2018-12-08 20:29:10,528 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:29:10,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:29:10,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:29:10,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:29:10,529 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:29:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:29:11,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 416 proven. 504 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2018-12-08 20:29:11,253 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:29:11,254 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:29:11,254 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 680 with the following transitions: [2018-12-08 20:29:11,254 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [726], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [850], [851], [862], [866], [869], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:29:11,255 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:29:11,255 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:29:12,345 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:29:12,346 INFO L272 AbstractInterpreter]: Visited 161 different actions 647 times. Merged at 9 different actions 35 times. Never widened. Performed 9355 root evaluator evaluations with a maximum evaluation depth of 21. Performed 9355 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 14 fixpoints after 5 different actions. Largest state had 28 variables. [2018-12-08 20:29:12,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:29:12,347 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:29:12,347 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:29:12,347 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/bin-2019/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 20:29:12,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:29:12,352 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:29:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:29:12,436 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:29:12,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 873 proven. 2 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2018-12-08 20:29:12,583 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:29:12,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 310 proven. 330 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-12-08 20:29:12,934 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 20:29:12,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5, 5] total 21 [2018-12-08 20:29:12,934 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 20:29:12,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-08 20:29:12,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-08 20:29:12,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2018-12-08 20:29:12,935 INFO L87 Difference]: Start difference. First operand 34537 states and 43157 transitions. Second operand 20 states. [2018-12-08 20:29:21,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:29:21,656 INFO L93 Difference]: Finished difference Result 64528 states and 82289 transitions. [2018-12-08 20:29:21,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2018-12-08 20:29:21,657 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 679 [2018-12-08 20:29:21,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:29:21,715 INFO L225 Difference]: With dead ends: 64528 [2018-12-08 20:29:21,715 INFO L226 Difference]: Without dead ends: 30331 [2018-12-08 20:29:21,762 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1546 GetRequests, 1436 SyntacticMatches, 2 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4270 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1880, Invalid=10110, Unknown=0, NotChecked=0, Total=11990 [2018-12-08 20:29:21,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30331 states. [2018-12-08 20:29:22,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30331 to 27661. [2018-12-08 20:29:22,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27661 states. [2018-12-08 20:29:22,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27661 states to 27661 states and 31383 transitions. [2018-12-08 20:29:22,109 INFO L78 Accepts]: Start accepts. Automaton has 27661 states and 31383 transitions. Word has length 679 [2018-12-08 20:29:22,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:29:22,109 INFO L480 AbstractCegarLoop]: Abstraction has 27661 states and 31383 transitions. [2018-12-08 20:29:22,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-08 20:29:22,109 INFO L276 IsEmpty]: Start isEmpty. Operand 27661 states and 31383 transitions. [2018-12-08 20:29:22,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 860 [2018-12-08 20:29:22,128 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:29:22,128 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:29:22,128 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:29:22,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:29:22,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1497057519, now seen corresponding path program 1 times [2018-12-08 20:29:22,129 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:29:22,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:29:22,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:29:22,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:29:22,129 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:29:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:29:23,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2375 backedges. 1508 proven. 427 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2018-12-08 20:29:23,172 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:29:23,172 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:29:23,172 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 860 with the following transitions: [2018-12-08 20:29:23,172 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [574], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [699], [704], [706], [707], [711], [715], [719], [723], [726], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [777], [781], [785], [789], [793], [797], [808], [812], [816], [819], [820], [824], [828], [832], [843], [847], [850], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:29:23,174 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:29:23,174 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:29:24,212 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:29:24,212 INFO L272 AbstractInterpreter]: Visited 162 different actions 669 times. Merged at 11 different actions 55 times. Widened at 1 different actions 1 times. Performed 9520 root evaluator evaluations with a maximum evaluation depth of 21. Performed 9520 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 19 fixpoints after 3 different actions. Largest state had 28 variables. [2018-12-08 20:29:24,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:29:24,215 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:29:24,215 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:29:24,215 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/bin-2019/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 20:29:24,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:29:24,224 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:29:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:29:24,331 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:29:24,561 INFO L134 CoverageAnalysis]: Checked inductivity of 2375 backedges. 1326 proven. 2 refuted. 0 times theorem prover too weak. 1047 trivial. 0 not checked. [2018-12-08 20:29:24,561 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:29:24,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2375 backedges. 715 proven. 89 refuted. 0 times theorem prover too weak. 1571 trivial. 0 not checked. [2018-12-08 20:29:24,940 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 20:29:24,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 5, 5] total 23 [2018-12-08 20:29:24,940 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 20:29:24,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-12-08 20:29:24,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-12-08 20:29:24,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=419, Unknown=0, NotChecked=0, Total=506 [2018-12-08 20:29:24,941 INFO L87 Difference]: Start difference. First operand 27661 states and 31383 transitions. Second operand 22 states. [2018-12-08 20:29:31,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:29:31,339 INFO L93 Difference]: Finished difference Result 55605 states and 63776 transitions. [2018-12-08 20:29:31,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-12-08 20:29:31,339 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 859 [2018-12-08 20:29:31,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:29:31,373 INFO L225 Difference]: With dead ends: 55605 [2018-12-08 20:29:31,373 INFO L226 Difference]: Without dead ends: 25010 [2018-12-08 20:29:31,399 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1889 GetRequests, 1783 SyntacticMatches, 3 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3710 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1894, Invalid=9026, Unknown=0, NotChecked=0, Total=10920 [2018-12-08 20:29:31,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25010 states. [2018-12-08 20:29:31,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25010 to 20859. [2018-12-08 20:29:31,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20859 states. [2018-12-08 20:29:31,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20859 states to 20859 states and 23116 transitions. [2018-12-08 20:29:31,621 INFO L78 Accepts]: Start accepts. Automaton has 20859 states and 23116 transitions. Word has length 859 [2018-12-08 20:29:31,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:29:31,621 INFO L480 AbstractCegarLoop]: Abstraction has 20859 states and 23116 transitions. [2018-12-08 20:29:31,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-12-08 20:29:31,621 INFO L276 IsEmpty]: Start isEmpty. Operand 20859 states and 23116 transitions. [2018-12-08 20:29:31,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 879 [2018-12-08 20:29:31,634 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:29:31,634 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:29:31,634 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:29:31,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:29:31,634 INFO L82 PathProgramCache]: Analyzing trace with hash -1435336209, now seen corresponding path program 1 times [2018-12-08 20:29:31,634 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:29:31,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:29:31,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:29:31,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:29:31,635 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:29:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:29:32,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2413 backedges. 457 proven. 338 refuted. 0 times theorem prover too weak. 1618 trivial. 0 not checked. [2018-12-08 20:29:32,021 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:29:32,021 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:29:32,021 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 879 with the following transitions: [2018-12-08 20:29:32,022 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [618], [623], [625], [626], [630], [634], [638], [642], [646], [650], [653], [654], [657], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [777], [781], [785], [789], [793], [797], [800], [803], [807], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [951], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:29:32,023 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:29:32,023 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:29:32,354 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:29:32,355 INFO L272 AbstractInterpreter]: Visited 184 different actions 723 times. Merged at 8 different actions 28 times. Never widened. Performed 10558 root evaluator evaluations with a maximum evaluation depth of 14. Performed 10558 inverse root evaluator evaluations with a maximum inverse evaluation depth of 14. Found 15 fixpoints after 5 different actions. Largest state had 28 variables. [2018-12-08 20:29:32,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:29:32,356 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:29:32,356 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:29:32,356 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/bin-2019/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 20:29:32,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:29:32,362 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:29:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:29:32,468 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:29:32,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2413 backedges. 1509 proven. 2 refuted. 0 times theorem prover too weak. 902 trivial. 0 not checked. [2018-12-08 20:29:32,661 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:29:32,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2413 backedges. 457 proven. 338 refuted. 0 times theorem prover too weak. 1618 trivial. 0 not checked. [2018-12-08 20:29:32,938 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 20:29:32,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2018-12-08 20:29:32,938 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 20:29:32,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 20:29:32,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 20:29:32,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-08 20:29:32,939 INFO L87 Difference]: Start difference. First operand 20859 states and 23116 transitions. Second operand 7 states. [2018-12-08 20:29:34,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:29:34,257 INFO L93 Difference]: Finished difference Result 44708 states and 49989 transitions. [2018-12-08 20:29:34,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 20:29:34,257 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 878 [2018-12-08 20:29:34,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:29:34,288 INFO L225 Difference]: With dead ends: 44708 [2018-12-08 20:29:34,288 INFO L226 Difference]: Without dead ends: 25215 [2018-12-08 20:29:34,302 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1771 GetRequests, 1757 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2018-12-08 20:29:34,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25215 states. [2018-12-08 20:29:34,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25215 to 22995. [2018-12-08 20:29:34,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22995 states. [2018-12-08 20:29:34,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22995 states to 22995 states and 25553 transitions. [2018-12-08 20:29:34,530 INFO L78 Accepts]: Start accepts. Automaton has 22995 states and 25553 transitions. Word has length 878 [2018-12-08 20:29:34,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:29:34,531 INFO L480 AbstractCegarLoop]: Abstraction has 22995 states and 25553 transitions. [2018-12-08 20:29:34,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 20:29:34,531 INFO L276 IsEmpty]: Start isEmpty. Operand 22995 states and 25553 transitions. [2018-12-08 20:29:34,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 921 [2018-12-08 20:29:34,546 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:29:34,546 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2018-12-08 20:29:34,547 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:29:34,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:29:34,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1682613306, now seen corresponding path program 1 times [2018-12-08 20:29:34,547 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:29:34,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:29:34,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:29:34,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:29:34,547 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:29:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:29:34,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2478 backedges. 973 proven. 2 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2018-12-08 20:29:34,962 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:29:34,962 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:29:34,962 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 921 with the following transitions: [2018-12-08 20:29:34,963 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [618], [623], [625], [626], [630], [634], [638], [642], [646], [650], [653], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [800], [803], [807], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [951], [952], [955], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:29:34,965 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:29:34,965 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:29:37,718 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:29:37,718 INFO L272 AbstractInterpreter]: Visited 183 different actions 902 times. Merged at 10 different actions 40 times. Never widened. Performed 13187 root evaluator evaluations with a maximum evaluation depth of 21. Performed 13187 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 19 fixpoints after 6 different actions. Largest state had 28 variables. [2018-12-08 20:29:37,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:29:37,719 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:29:37,719 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:29:37,720 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/bin-2019/utaipan/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 20:29:37,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:29:37,726 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:29:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:29:37,836 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:29:44,068 WARN L180 SmtUtils]: Spent 6.17 s on a formula simplification. DAG size of input: 46 DAG size of output: 35 [2018-12-08 20:29:44,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2478 backedges. 973 proven. 2 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2018-12-08 20:29:44,293 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:29:45,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2478 backedges. 973 proven. 2 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2018-12-08 20:29:45,499 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 20:29:45,500 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6] total 11 [2018-12-08 20:29:45,500 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 20:29:45,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 20:29:45,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 20:29:45,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-12-08 20:29:45,501 INFO L87 Difference]: Start difference. First operand 22995 states and 25553 transitions. Second operand 7 states. [2018-12-08 20:30:24,528 WARN L180 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 39 [2018-12-08 20:30:39,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:30:39,180 INFO L93 Difference]: Finished difference Result 42076 states and 46547 transitions. [2018-12-08 20:30:39,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 20:30:39,181 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 920 [2018-12-08 20:30:39,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:30:39,206 INFO L225 Difference]: With dead ends: 42076 [2018-12-08 20:30:39,207 INFO L226 Difference]: Without dead ends: 23177 [2018-12-08 20:30:39,221 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1856 GetRequests, 1839 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2018-12-08 20:30:39,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23177 states. [2018-12-08 20:30:39,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23177 to 21643. [2018-12-08 20:30:39,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21643 states. [2018-12-08 20:30:39,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21643 states to 21643 states and 23814 transitions. [2018-12-08 20:30:39,435 INFO L78 Accepts]: Start accepts. Automaton has 21643 states and 23814 transitions. Word has length 920 [2018-12-08 20:30:39,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:30:39,436 INFO L480 AbstractCegarLoop]: Abstraction has 21643 states and 23814 transitions. [2018-12-08 20:30:39,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 20:30:39,436 INFO L276 IsEmpty]: Start isEmpty. Operand 21643 states and 23814 transitions. [2018-12-08 20:30:39,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 983 [2018-12-08 20:30:39,451 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:30:39,451 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-08 20:30:39,451 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:30:39,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:30:39,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1528454993, now seen corresponding path program 1 times [2018-12-08 20:30:39,451 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:30:39,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:30:39,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:30:39,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:30:39,452 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:30:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:40,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3112 backedges. 570 proven. 1131 refuted. 0 times theorem prover too weak. 1411 trivial. 0 not checked. [2018-12-08 20:30:40,308 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:30:40,308 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:30:40,308 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 983 with the following transitions: [2018-12-08 20:30:40,308 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [570], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [726], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [777], [781], [785], [789], [793], [797], [808], [812], [816], [819], [820], [824], [828], [832], [843], [847], [850], [851], [862], [866], [869], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:30:40,310 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:30:40,310 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:30:41,732 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:30:41,732 INFO L272 AbstractInterpreter]: Visited 164 different actions 826 times. Merged at 11 different actions 48 times. Never widened. Performed 12384 root evaluator evaluations with a maximum evaluation depth of 21. Performed 12384 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 30 fixpoints after 6 different actions. Largest state had 28 variables. [2018-12-08 20:30:41,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:30:41,734 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:30:41,734 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:30:41,734 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/bin-2019/utaipan/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 20:30:41,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:30:41,740 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:30:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:41,858 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:30:42,175 INFO L134 CoverageAnalysis]: Checked inductivity of 3112 backedges. 1963 proven. 2 refuted. 0 times theorem prover too weak. 1147 trivial. 0 not checked. [2018-12-08 20:30:42,175 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:30:42,931 INFO L134 CoverageAnalysis]: Checked inductivity of 3112 backedges. 785 proven. 186 refuted. 0 times theorem prover too weak. 2141 trivial. 0 not checked. [2018-12-08 20:30:42,946 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 20:30:42,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 20 [2018-12-08 20:30:42,946 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 20:30:42,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-08 20:30:42,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-08 20:30:42,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2018-12-08 20:30:42,947 INFO L87 Difference]: Start difference. First operand 21643 states and 23814 transitions. Second operand 18 states. [2018-12-08 20:30:49,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:30:49,136 INFO L93 Difference]: Finished difference Result 40305 states and 45133 transitions. [2018-12-08 20:30:49,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2018-12-08 20:30:49,137 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 982 [2018-12-08 20:30:49,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:30:49,138 INFO L225 Difference]: With dead ends: 40305 [2018-12-08 20:30:49,138 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 20:30:49,168 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2104 GetRequests, 2008 SyntacticMatches, 2 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3041 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1760, Invalid=7360, Unknown=0, NotChecked=0, Total=9120 [2018-12-08 20:30:49,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 20:30:49,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 20:30:49,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 20:30:49,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 20:30:49,169 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 982 [2018-12-08 20:30:49,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:30:49,169 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 20:30:49,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-08 20:30:49,169 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 20:30:49,169 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 20:30:49,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 20:30:49,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:49,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:50,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:51,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:52,979 WARN L180 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 1512 DAG size of output: 890 [2018-12-08 20:30:53,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:53,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:54,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:55,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:56,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:56,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:56,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:56,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:30:56,167 WARN L180 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 1506 DAG size of output: 888 [2018-12-08 20:31:01,115 WARN L180 SmtUtils]: Spent 4.85 s on a formula simplification. DAG size of input: 717 DAG size of output: 134 [2018-12-08 20:31:06,320 WARN L180 SmtUtils]: Spent 5.19 s on a formula simplification. DAG size of input: 780 DAG size of output: 104 [2018-12-08 20:31:11,091 WARN L180 SmtUtils]: Spent 4.77 s on a formula simplification. DAG size of input: 780 DAG size of output: 104 [2018-12-08 20:31:11,093 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 20:31:11,093 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a29~0 |old(~a29~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-12-08 20:31:11,093 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 20:31:11,093 INFO L448 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-12-08 20:31:11,093 INFO L448 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-12-08 20:31:11,093 INFO L448 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-12-08 20:31:11,093 INFO L448 ceAbstractionStarter]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,093 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,093 INFO L448 ceAbstractionStarter]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,093 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,093 INFO L448 ceAbstractionStarter]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,093 INFO L448 ceAbstractionStarter]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,093 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,093 INFO L448 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-12-08 20:31:11,093 INFO L448 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-12-08 20:31:11,093 INFO L448 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-12-08 20:31:11,093 INFO L448 ceAbstractionStarter]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,093 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,093 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,094 INFO L448 ceAbstractionStarter]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,094 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,094 INFO L448 ceAbstractionStarter]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,094 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,094 INFO L448 ceAbstractionStarter]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,094 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,094 INFO L448 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-12-08 20:31:11,094 INFO L448 ceAbstractionStarter]: For program point L108(line 108) no Hoare annotation was computed. [2018-12-08 20:31:11,094 INFO L448 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-12-08 20:31:11,094 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,094 INFO L448 ceAbstractionStarter]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,094 INFO L448 ceAbstractionStarter]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,094 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,094 INFO L448 ceAbstractionStarter]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,094 INFO L448 ceAbstractionStarter]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,094 INFO L448 ceAbstractionStarter]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,094 INFO L448 ceAbstractionStarter]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,094 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,094 INFO L448 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2018-12-08 20:31:11,094 INFO L448 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-12-08 20:31:11,094 INFO L448 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2018-12-08 20:31:11,094 INFO L448 ceAbstractionStarter]: For program point L970(lines 970 980) no Hoare annotation was computed. [2018-12-08 20:31:11,094 INFO L448 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2018-12-08 20:31:11,094 INFO L448 ceAbstractionStarter]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2018-12-08 20:31:11,094 INFO L448 ceAbstractionStarter]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2018-12-08 20:31:11,094 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,094 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,095 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,095 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,095 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,095 INFO L448 ceAbstractionStarter]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,095 INFO L448 ceAbstractionStarter]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,095 INFO L448 ceAbstractionStarter]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,095 INFO L448 ceAbstractionStarter]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,095 INFO L448 ceAbstractionStarter]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,095 INFO L448 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2018-12-08 20:31:11,095 INFO L448 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2018-12-08 20:31:11,095 INFO L448 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2018-12-08 20:31:11,095 INFO L448 ceAbstractionStarter]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,095 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,095 INFO L448 ceAbstractionStarter]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,095 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,095 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,095 INFO L448 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-12-08 20:31:11,095 INFO L448 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2018-12-08 20:31:11,095 INFO L448 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-12-08 20:31:11,095 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,095 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,095 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,096 INFO L448 ceAbstractionStarter]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,096 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 117) no Hoare annotation was computed. [2018-12-08 20:31:11,096 INFO L448 ceAbstractionStarter]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,096 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 525) no Hoare annotation was computed. [2018-12-08 20:31:11,096 INFO L448 ceAbstractionStarter]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2018-12-08 20:31:11,096 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,096 INFO L448 ceAbstractionStarter]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,096 INFO L448 ceAbstractionStarter]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,096 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,096 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,096 INFO L448 ceAbstractionStarter]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,096 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 657) no Hoare annotation was computed. [2018-12-08 20:31:11,096 INFO L448 ceAbstractionStarter]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2018-12-08 20:31:11,096 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,096 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,097 INFO L448 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2018-12-08 20:31:11,097 INFO L448 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-12-08 20:31:11,097 INFO L448 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-12-08 20:31:11,097 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,097 INFO L448 ceAbstractionStarter]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,097 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,097 INFO L448 ceAbstractionStarter]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,097 INFO L448 ceAbstractionStarter]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,097 INFO L448 ceAbstractionStarter]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,097 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,097 INFO L448 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2018-12-08 20:31:11,097 INFO L448 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-12-08 20:31:11,097 INFO L448 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-12-08 20:31:11,097 INFO L448 ceAbstractionStarter]: For program point L916(lines 916 926) no Hoare annotation was computed. [2018-12-08 20:31:11,097 INFO L448 ceAbstractionStarter]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2018-12-08 20:31:11,098 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 730) no Hoare annotation was computed. [2018-12-08 20:31:11,098 INFO L448 ceAbstractionStarter]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2018-12-08 20:31:11,098 INFO L448 ceAbstractionStarter]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,098 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,098 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 597) no Hoare annotation was computed. [2018-12-08 20:31:11,098 INFO L448 ceAbstractionStarter]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2018-12-08 20:31:11,098 INFO L448 ceAbstractionStarter]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,098 INFO L448 ceAbstractionStarter]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,098 INFO L448 ceAbstractionStarter]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,098 INFO L448 ceAbstractionStarter]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,099 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse10 (<= 600351 |old(~a23~0)|)) (.cse15 (not (= 11 |old(~a25~0)|))) (.cse16 (= ~a29~0 |old(~a29~0)|)) (.cse17 (= ~a23~0 |old(~a23~0)|)) (.cse24 (= ~a4~0 |old(~a4~0)|)) (.cse29 (= ~a25~0 |old(~a25~0)|))) (let ((.cse7 (and (and .cse16 .cse17) .cse24 .cse29)) (.cse13 (< 0 (+ |old(~a23~0)| 43))) (.cse19 (or .cse10 .cse15)) (.cse12 (< |old(~a29~0)| 10250)) (.cse20 (< 312 |old(~a23~0)|)) (.cse21 (< 130 |old(~a29~0)|)) (.cse6 (< 245 |old(~a29~0)|)) (.cse22 (< 10 |old(~a25~0)|)) (.cse11 (< 277 |old(~a29~0)|)) (.cse26 (not (= 12 |old(~a25~0)|))) (.cse9 (< |old(~a29~0)| 141)) (.cse2 (not (= 9 |old(~a25~0)|))) (.cse18 (= |old(~a4~0)| ~a4~0)) (.cse8 (not (= 10 |old(~a25~0)|))) (.cse28 (<= |old(~a23~0)| 306)) (.cse3 (not (= 1 |old(~a4~0)|))) (.cse25 (and .cse16 .cse17 .cse24)) (.cse0 (not (= 15 ~a8~0))) (.cse1 (not (= 1 ~a3~0))) (.cse5 (and .cse16 .cse17 .cse24 .cse29)) (.cse23 (not (= 13 |old(~a25~0)|))) (.cse27 (< (+ |old(~a23~0)| 42) 0)) (.cse14 (< 0 |old(~a4~0)|)) (.cse4 (< 138 |old(~a23~0)|))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4) .cse5) (or .cse0 .cse1 (or .cse6 (or (< 11 |old(~a25~0)|) .cse4)) .cse7 .cse3) (or .cse7 (or .cse8 .cse9 .cse0 .cse1 .cse10 .cse3 .cse11)) (or .cse0 .cse1 .cse12 .cse2 .cse13 .cse14 .cse5) (or .cse2 .cse11 .cse9 .cse0 .cse1 .cse3 .cse5) (or .cse15 .cse3 (and .cse16 .cse17 (= |old(~a25~0)| ~a25~0) .cse18) .cse4) (or .cse8 .cse6 .cse9 .cse0 .cse1 .cse3 .cse5) (or .cse9 .cse0 .cse1 .cse19 .cse3 .cse5) (or .cse5 .cse0 .cse1 .cse15 .cse13 .cse14) (or .cse20 .cse0 .cse1 .cse19 .cse3 .cse5) (or (or .cse0 .cse1 .cse14 .cse21 .cse4 .cse22) .cse5) (or (or (or .cse9 .cse6 .cse23) .cse0 .cse1 .cse3) (and .cse16 .cse17 (= 13 ~a25~0) .cse24)) (or (and .cse25 (= 12 ~a25~0)) (or .cse9 .cse0 .cse1 .cse10 .cse11 .cse14) .cse26) (or .cse5 .cse12 .cse27 .cse20 .cse0 .cse1 .cse3 .cse23) (or .cse5 .cse28 .cse0 .cse1 .cse10 .cse3 .cse23) (or .cse20 .cse5 .cse0 .cse1 .cse3 .cse27 .cse26) (or .cse0 .cse1 .cse14 .cse26 .cse4 .cse5) (or .cse6 .cse2 .cse20 .cse0 .cse1 .cse3 .cse5) (or .cse27 .cse20 .cse0 .cse1 .cse3 .cse23 .cse21 .cse5) (or .cse9 .cse0 .cse1 .cse5 .cse11 (not (= 0 |old(~a4~0)|)) .cse26) (or .cse0 .cse1 .cse10 .cse3 .cse5 .cse21 .cse26) (or .cse0 .cse1 .cse6 .cse27 .cse14 .cse4 .cse22 .cse5) (or .cse8 .cse0 .cse1 .cse3 .cse5 .cse4) (or .cse28 .cse9 .cse0 .cse1 .cse10 .cse5 .cse3 .cse11 .cse26) (or (or .cse9 .cse0 .cse1 .cse28 .cse10 .cse2 .cse3) (and .cse16 .cse17 .cse18 (= 9 ~a25~0))) (or (or .cse8 .cse28 .cse10 .cse3) .cse0 .cse1 (and .cse25 .cse29)) (or .cse0 .cse1 .cse5 .cse23 .cse27 .cse14 .cse4)))) [2018-12-08 20:31:11,099 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,099 INFO L448 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-12-08 20:31:11,099 INFO L448 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-12-08 20:31:11,099 INFO L448 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-12-08 20:31:11,099 INFO L448 ceAbstractionStarter]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,099 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,099 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,099 INFO L448 ceAbstractionStarter]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,099 INFO L448 ceAbstractionStarter]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,099 INFO L448 ceAbstractionStarter]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,099 INFO L448 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2018-12-08 20:31:11,099 INFO L448 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2018-12-08 20:31:11,100 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-08 20:31:11,100 INFO L448 ceAbstractionStarter]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,100 INFO L448 ceAbstractionStarter]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,100 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,100 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,100 INFO L448 ceAbstractionStarter]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,100 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,100 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,100 INFO L448 ceAbstractionStarter]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,100 INFO L448 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-12-08 20:31:11,100 INFO L448 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2018-12-08 20:31:11,100 INFO L448 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-12-08 20:31:11,100 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,100 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,100 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,101 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,101 INFO L448 ceAbstractionStarter]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,101 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,101 INFO L448 ceAbstractionStarter]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,101 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,101 INFO L448 ceAbstractionStarter]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,101 INFO L448 ceAbstractionStarter]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,101 INFO L448 ceAbstractionStarter]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,101 INFO L448 ceAbstractionStarter]: For program point L399(lines 399 410) no Hoare annotation was computed. [2018-12-08 20:31:11,101 INFO L448 ceAbstractionStarter]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2018-12-08 20:31:11,101 INFO L448 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-12-08 20:31:11,101 INFO L448 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-12-08 20:31:11,101 INFO L448 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-12-08 20:31:11,101 INFO L448 ceAbstractionStarter]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,101 INFO L448 ceAbstractionStarter]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,102 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,102 INFO L448 ceAbstractionStarter]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,102 INFO L448 ceAbstractionStarter]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,102 INFO L448 ceAbstractionStarter]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,102 INFO L448 ceAbstractionStarter]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,102 INFO L448 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2018-12-08 20:31:11,102 INFO L448 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-12-08 20:31:11,102 INFO L448 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-12-08 20:31:11,102 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,102 INFO L448 ceAbstractionStarter]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,102 INFO L448 ceAbstractionStarter]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,102 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 875) no Hoare annotation was computed. [2018-12-08 20:31:11,102 INFO L448 ceAbstractionStarter]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2018-12-08 20:31:11,102 INFO L448 ceAbstractionStarter]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,102 INFO L448 ceAbstractionStarter]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,103 INFO L448 ceAbstractionStarter]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,103 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,103 INFO L448 ceAbstractionStarter]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,103 INFO L448 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-12-08 20:31:11,103 INFO L448 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2018-12-08 20:31:11,103 INFO L448 ceAbstractionStarter]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,103 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,103 INFO L448 ceAbstractionStarter]: For program point L604(lines 604 614) no Hoare annotation was computed. [2018-12-08 20:31:11,103 INFO L448 ceAbstractionStarter]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2018-12-08 20:31:11,103 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,103 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,103 INFO L448 ceAbstractionStarter]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,103 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,103 INFO L448 ceAbstractionStarter]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,103 INFO L448 ceAbstractionStarter]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,104 INFO L448 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2018-12-08 20:31:11,104 INFO L448 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-12-08 20:31:11,104 INFO L448 ceAbstractionStarter]: For program point L805(lines 805 815) no Hoare annotation was computed. [2018-12-08 20:31:11,104 INFO L448 ceAbstractionStarter]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2018-12-08 20:31:11,104 INFO L448 ceAbstractionStarter]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,104 INFO L448 ceAbstractionStarter]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,104 INFO L448 ceAbstractionStarter]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,104 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,104 INFO L448 ceAbstractionStarter]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,104 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,104 INFO L448 ceAbstractionStarter]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,104 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,104 INFO L448 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-12-08 20:31:11,104 INFO L448 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2018-12-08 20:31:11,104 INFO L448 ceAbstractionStarter]: For program point L940(lines 940 952) no Hoare annotation was computed. [2018-12-08 20:31:11,104 INFO L448 ceAbstractionStarter]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2018-12-08 20:31:11,105 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 486) no Hoare annotation was computed. [2018-12-08 20:31:11,105 INFO L448 ceAbstractionStarter]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2018-12-08 20:31:11,105 INFO L448 ceAbstractionStarter]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,105 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,105 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,105 INFO L448 ceAbstractionStarter]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,105 INFO L448 ceAbstractionStarter]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,105 INFO L448 ceAbstractionStarter]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,105 INFO L448 ceAbstractionStarter]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,105 INFO L448 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2018-12-08 20:31:11,105 INFO L448 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2018-12-08 20:31:11,105 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,105 INFO L448 ceAbstractionStarter]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,105 INFO L448 ceAbstractionStarter]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,105 INFO L448 ceAbstractionStarter]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,105 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,105 INFO L448 ceAbstractionStarter]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,105 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,105 INFO L448 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-12-08 20:31:11,105 INFO L448 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-12-08 20:31:11,106 INFO L448 ceAbstractionStarter]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,106 INFO L448 ceAbstractionStarter]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,106 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,106 INFO L448 ceAbstractionStarter]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,106 INFO L448 ceAbstractionStarter]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,106 INFO L448 ceAbstractionStarter]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,106 INFO L448 ceAbstractionStarter]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,106 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 25) no Hoare annotation was computed. [2018-12-08 20:31:11,106 INFO L448 ceAbstractionStarter]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,106 INFO L448 ceAbstractionStarter]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,106 INFO L448 ceAbstractionStarter]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,106 INFO L448 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-12-08 20:31:11,106 INFO L448 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-12-08 20:31:11,106 INFO L448 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-12-08 20:31:11,106 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,106 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 499) no Hoare annotation was computed. [2018-12-08 20:31:11,106 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,106 INFO L448 ceAbstractionStarter]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2018-12-08 20:31:11,106 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,106 INFO L448 ceAbstractionStarter]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,106 INFO L448 ceAbstractionStarter]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,106 INFO L448 ceAbstractionStarter]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,106 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,106 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,106 INFO L448 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-12-08 20:31:11,106 INFO L448 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2018-12-08 20:31:11,106 INFO L448 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-12-08 20:31:11,107 INFO L448 ceAbstractionStarter]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,107 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,107 INFO L448 ceAbstractionStarter]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,107 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,107 INFO L448 ceAbstractionStarter]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,107 INFO L448 ceAbstractionStarter]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,107 INFO L448 ceAbstractionStarter]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,107 INFO L448 ceAbstractionStarter]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,107 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,107 INFO L448 ceAbstractionStarter]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,107 INFO L448 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-12-08 20:31:11,107 INFO L448 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-12-08 20:31:11,107 INFO L448 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-12-08 20:31:11,107 INFO L448 ceAbstractionStarter]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,107 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 768) no Hoare annotation was computed. [2018-12-08 20:31:11,107 INFO L448 ceAbstractionStarter]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2018-12-08 20:31:11,107 INFO L448 ceAbstractionStarter]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,107 INFO L448 ceAbstractionStarter]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,107 INFO L448 ceAbstractionStarter]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,107 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,107 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,107 INFO L448 ceAbstractionStarter]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,107 INFO L448 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-12-08 20:31:11,107 INFO L448 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-12-08 20:31:11,107 INFO L448 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-12-08 20:31:11,108 INFO L448 ceAbstractionStarter]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,108 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,108 INFO L448 ceAbstractionStarter]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,108 INFO L448 ceAbstractionStarter]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,108 INFO L448 ceAbstractionStarter]: For program point L695(lines 695 705) no Hoare annotation was computed. [2018-12-08 20:31:11,108 INFO L448 ceAbstractionStarter]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2018-12-08 20:31:11,108 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,108 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,108 INFO L448 ceAbstractionStarter]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2018-12-08 20:31:11,108 INFO L448 ceAbstractionStarter]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,108 INFO L448 ceAbstractionStarter]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,108 INFO L448 ceAbstractionStarter]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:31:11,108 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 20:31:11,108 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a23~0 312) (= ~a8~0 15) (= ~a29~0 130) (= 1 ~a4~0) (= ~a25~0 10) (= ~a3~0 1)) [2018-12-08 20:31:11,108 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 20:31:11,108 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 20:31:11,108 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= 10 |old(~a25~0)|)) (not (= 15 ~a8~0)) (not (= 1 ~a3~0)) (not (= 312 |old(~a23~0)|)) (not (= 1 |old(~a4~0)|)) (not (= 130 |old(~a29~0)|)) (and (= ~a25~0 |old(~a25~0)|) (= ~a29~0 130) (= ~a23~0 |old(~a23~0)|) (= 1 ~a4~0))) [2018-12-08 20:31:11,108 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2018-12-08 20:31:11,108 INFO L444 ceAbstractionStarter]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse20 (= 11 ~a25~0)) (.cse9 (< ~a23~0 600351)) (.cse7 (= 1 ~a4~0))) (let ((.cse13 (<= ~a25~0 10)) (.cse19 (and (and .cse20 .cse9 .cse7) (= |old(~a4~0)| 1))) (.cse10 (<= ~a29~0 130)) (.cse18 (<= ~a23~0 312)) (.cse14 (= |old(~a4~0)| ~a4~0)) (.cse17 (= 10 ~a25~0)) (.cse5 (<= ~a29~0 245)) (.cse0 (<= 10250 ~a29~0)) (.cse8 (<= 0 (+ ~a23~0 42))) (.cse6 (= 13 ~a25~0)) (.cse15 (< 306 ~a23~0)) (.cse11 (<= ~a23~0 138)) (.cse2 (= 9 ~a25~0)) (.cse3 (<= (+ ~a23~0 43) 0)) (.cse12 (= ~a25~0 12)) (.cse1 (<= ~a4~0 0)) (.cse16 (<= ~a29~0 277)) (.cse4 (<= 141 ~a29~0))) (or (and .cse0 (and .cse1 .cse2 .cse3)) (and (and .cse4 .cse5 .cse6) .cse7) (and .cse8 .cse7 .cse9 .cse10 .cse6) (and .cse1 .cse11 .cse12) (and .cse1 .cse11 .cse8 .cse5 .cse13) (not (= 10 |old(~a25~0)|)) (and .cse14 .cse15 .cse9 .cse6) (and .cse12 .cse16 .cse4 (= 0 ~a4~0)) (and (and .cse1 .cse10 .cse3) .cse13) (and .cse17 .cse7 .cse4 .cse5) (not (= 312 |old(~a23~0)|)) (not (= 1 |old(~a4~0)|)) (and .cse7 .cse2 .cse16 .cse4) (and .cse15 .cse9 .cse17 .cse14) (and .cse18 .cse7 .cse2 .cse5) (and .cse19 .cse4) (and .cse18 .cse19) (and .cse7 .cse12 .cse9 .cse10) (not (= 130 |old(~a29~0)|)) (and (and .cse18 .cse14) (= 12 ~a25~0) .cse8) (and .cse7 .cse2 .cse15 .cse9 .cse4) (and .cse11 .cse17 .cse7) (and .cse17 .cse7 .cse9 .cse16 .cse4) (and .cse7 (and (and (<= ~a25~0 11) .cse11) .cse5)) (and .cse8 .cse7 .cse0 .cse9 .cse6) (and .cse1 .cse11 .cse8 .cse6) (and (and .cse12 .cse4 (and .cse15 .cse9 .cse16)) .cse7) (and .cse11 .cse7 .cse2) (and .cse1 .cse20 .cse3) (not (= 1 ~a3~0)) (and .cse12 .cse1 .cse9 .cse16 .cse4) (not (= 15 ~a8~0))))) [2018-12-08 20:31:11,109 INFO L448 ceAbstractionStarter]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2018-12-08 20:31:11,109 INFO L448 ceAbstractionStarter]: For program point L1039(line 1039) no Hoare annotation was computed. [2018-12-08 20:31:11,109 INFO L444 ceAbstractionStarter]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse20 (= 11 ~a25~0)) (.cse9 (< ~a23~0 600351)) (.cse7 (= 1 ~a4~0))) (let ((.cse13 (<= ~a25~0 10)) (.cse19 (and (and .cse20 .cse9 .cse7) (= |old(~a4~0)| 1))) (.cse10 (<= ~a29~0 130)) (.cse18 (<= ~a23~0 312)) (.cse14 (= |old(~a4~0)| ~a4~0)) (.cse17 (= 10 ~a25~0)) (.cse5 (<= ~a29~0 245)) (.cse0 (<= 10250 ~a29~0)) (.cse8 (<= 0 (+ ~a23~0 42))) (.cse6 (= 13 ~a25~0)) (.cse15 (< 306 ~a23~0)) (.cse11 (<= ~a23~0 138)) (.cse2 (= 9 ~a25~0)) (.cse3 (<= (+ ~a23~0 43) 0)) (.cse12 (= ~a25~0 12)) (.cse1 (<= ~a4~0 0)) (.cse16 (<= ~a29~0 277)) (.cse4 (<= 141 ~a29~0))) (or (and .cse0 (and .cse1 .cse2 .cse3)) (and (and .cse4 .cse5 .cse6) .cse7) (and .cse8 .cse7 .cse9 .cse10 .cse6) (and .cse1 .cse11 .cse12) (and .cse1 .cse11 .cse8 .cse5 .cse13) (not (= 10 |old(~a25~0)|)) (and .cse14 .cse15 .cse9 .cse6) (and .cse12 .cse16 .cse4 (= 0 ~a4~0)) (and (and .cse1 .cse10 .cse3) .cse13) (and .cse17 .cse7 .cse4 .cse5) (not (= 312 |old(~a23~0)|)) (not (= 1 |old(~a4~0)|)) (and .cse7 .cse2 .cse16 .cse4) (and .cse15 .cse9 .cse17 .cse14) (and .cse18 .cse7 .cse2 .cse5) (and .cse19 .cse4) (and .cse18 .cse19) (and .cse7 .cse12 .cse9 .cse10) (not (= 130 |old(~a29~0)|)) (and (and .cse18 .cse14) (= 12 ~a25~0) .cse8) (and .cse7 .cse2 .cse15 .cse9 .cse4) (and .cse11 .cse17 .cse7) (and .cse17 .cse7 .cse9 .cse16 .cse4) (and .cse7 (and (and (<= ~a25~0 11) .cse11) .cse5)) (and .cse8 .cse7 .cse0 .cse9 .cse6) (and .cse1 .cse11 .cse8 .cse6) (and (and .cse12 .cse4 (and .cse15 .cse9 .cse16)) .cse7) (and .cse11 .cse7 .cse2) (and .cse1 .cse20 .cse3) (not (= 1 ~a3~0)) (and .cse12 .cse1 .cse9 .cse16 .cse4) (not (= 15 ~a8~0))))) [2018-12-08 20:31:11,109 INFO L448 ceAbstractionStarter]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2018-12-08 20:31:11,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 08:31:11 BoogieIcfgContainer [2018-12-08 20:31:11,117 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 20:31:11,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 20:31:11,117 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 20:31:11,117 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 20:31:11,117 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:27:56" (3/4) ... [2018-12-08 20:31:11,119 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 20:31:11,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 20:31:11,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 20:31:11,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 20:31:11,131 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 20:31:11,132 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 20:31:11,151 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((10250 <= a29 && (a4 <= 0 && 9 == a25) && a23 + 43 <= 0) || (((141 <= a29 && a29 <= 245) && 13 == a25) && 1 == a4)) || ((((0 <= a23 + 42 && 1 == a4) && a23 < 600351) && a29 <= 130) && 13 == a25)) || ((a4 <= 0 && a23 <= 138) && a25 == 12)) || ((((a4 <= 0 && a23 <= 138) && 0 <= a23 + 42) && a29 <= 245) && a25 <= 10)) || !(10 == \old(a25))) || (((\old(a4) == a4 && 306 < a23) && a23 < 600351) && 13 == a25)) || (((a25 == 12 && a29 <= 277) && 141 <= a29) && 0 == a4)) || (((a4 <= 0 && a29 <= 130) && a23 + 43 <= 0) && a25 <= 10)) || (((10 == a25 && 1 == a4) && 141 <= a29) && a29 <= 245)) || !(312 == \old(a23))) || !(1 == \old(a4))) || (((1 == a4 && 9 == a25) && a29 <= 277) && 141 <= a29)) || (((306 < a23 && a23 < 600351) && 10 == a25) && \old(a4) == a4)) || (((a23 <= 312 && 1 == a4) && 9 == a25) && a29 <= 245)) || ((((11 == a25 && a23 < 600351) && 1 == a4) && \old(a4) == 1) && 141 <= a29)) || (a23 <= 312 && ((11 == a25 && a23 < 600351) && 1 == a4) && \old(a4) == 1)) || (((1 == a4 && a25 == 12) && a23 < 600351) && a29 <= 130)) || !(130 == \old(a29))) || (((a23 <= 312 && \old(a4) == a4) && 12 == a25) && 0 <= a23 + 42)) || ((((1 == a4 && 9 == a25) && 306 < a23) && a23 < 600351) && 141 <= a29)) || ((a23 <= 138 && 10 == a25) && 1 == a4)) || ((((10 == a25 && 1 == a4) && a23 < 600351) && a29 <= 277) && 141 <= a29)) || (1 == a4 && (a25 <= 11 && a23 <= 138) && a29 <= 245)) || ((((0 <= a23 + 42 && 1 == a4) && 10250 <= a29) && a23 < 600351) && 13 == a25)) || (((a4 <= 0 && a23 <= 138) && 0 <= a23 + 42) && 13 == a25)) || (((a25 == 12 && 141 <= a29) && (306 < a23 && a23 < 600351) && a29 <= 277) && 1 == a4)) || ((a23 <= 138 && 1 == a4) && 9 == a25)) || ((a4 <= 0 && 11 == a25) && a23 + 43 <= 0)) || !(1 == a3)) || ((((a25 == 12 && a4 <= 0) && a23 < 600351) && a29 <= 277) && 141 <= a29)) || !(15 == a8) [2018-12-08 20:31:11,225 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b19502ce-2487-4e57-b97d-5bf95934a80b/bin-2019/utaipan/witness.graphml [2018-12-08 20:31:11,225 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 20:31:11,226 INFO L168 Benchmark]: Toolchain (without parser) took 196193.45 ms. Allocated memory was 1.0 GB in the beginning and 4.5 GB in the end (delta: 3.5 GB). Free memory was 947.0 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. [2018-12-08 20:31:11,226 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:31:11,226 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -201.1 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB. [2018-12-08 20:31:11,227 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.90 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-08 20:31:11,227 INFO L168 Benchmark]: Boogie Preprocessor took 49.51 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-08 20:31:11,227 INFO L168 Benchmark]: RCFGBuilder took 1001.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 953.8 MB in the end (delta: 184.1 MB). Peak memory consumption was 184.1 MB. Max. memory is 11.5 GB. [2018-12-08 20:31:11,227 INFO L168 Benchmark]: TraceAbstraction took 194598.66 ms. Allocated memory was 1.2 GB in the beginning and 4.5 GB in the end (delta: 3.3 GB). Free memory was 953.8 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. [2018-12-08 20:31:11,228 INFO L168 Benchmark]: Witness Printer took 108.14 ms. Allocated memory is still 4.5 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:31:11,229 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 411.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -201.1 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.90 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.51 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1001.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 953.8 MB in the end (delta: 184.1 MB). Peak memory consumption was 184.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 194598.66 ms. Allocated memory was 1.2 GB in the beginning and 4.5 GB in the end (delta: 3.3 GB). Free memory was 953.8 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. * Witness Printer took 108.14 ms. Allocated memory is still 4.5 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 117]: 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: 1034]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((10250 <= a29 && (a4 <= 0 && 9 == a25) && a23 + 43 <= 0) || (((141 <= a29 && a29 <= 245) && 13 == a25) && 1 == a4)) || ((((0 <= a23 + 42 && 1 == a4) && a23 < 600351) && a29 <= 130) && 13 == a25)) || ((a4 <= 0 && a23 <= 138) && a25 == 12)) || ((((a4 <= 0 && a23 <= 138) && 0 <= a23 + 42) && a29 <= 245) && a25 <= 10)) || !(10 == \old(a25))) || (((\old(a4) == a4 && 306 < a23) && a23 < 600351) && 13 == a25)) || (((a25 == 12 && a29 <= 277) && 141 <= a29) && 0 == a4)) || (((a4 <= 0 && a29 <= 130) && a23 + 43 <= 0) && a25 <= 10)) || (((10 == a25 && 1 == a4) && 141 <= a29) && a29 <= 245)) || !(312 == \old(a23))) || !(1 == \old(a4))) || (((1 == a4 && 9 == a25) && a29 <= 277) && 141 <= a29)) || (((306 < a23 && a23 < 600351) && 10 == a25) && \old(a4) == a4)) || (((a23 <= 312 && 1 == a4) && 9 == a25) && a29 <= 245)) || ((((11 == a25 && a23 < 600351) && 1 == a4) && \old(a4) == 1) && 141 <= a29)) || (a23 <= 312 && ((11 == a25 && a23 < 600351) && 1 == a4) && \old(a4) == 1)) || (((1 == a4 && a25 == 12) && a23 < 600351) && a29 <= 130)) || !(130 == \old(a29))) || (((a23 <= 312 && \old(a4) == a4) && 12 == a25) && 0 <= a23 + 42)) || ((((1 == a4 && 9 == a25) && 306 < a23) && a23 < 600351) && 141 <= a29)) || ((a23 <= 138 && 10 == a25) && 1 == a4)) || ((((10 == a25 && 1 == a4) && a23 < 600351) && a29 <= 277) && 141 <= a29)) || (1 == a4 && (a25 <= 11 && a23 <= 138) && a29 <= 245)) || ((((0 <= a23 + 42 && 1 == a4) && 10250 <= a29) && a23 < 600351) && 13 == a25)) || (((a4 <= 0 && a23 <= 138) && 0 <= a23 + 42) && 13 == a25)) || (((a25 == 12 && 141 <= a29) && (306 < a23 && a23 < 600351) && a29 <= 277) && 1 == a4)) || ((a23 <= 138 && 1 == a4) && 9 == a25)) || ((a4 <= 0 && 11 == a25) && a23 + 43 <= 0)) || !(1 == a3)) || ((((a25 == 12 && a4 <= 0) && a23 < 600351) && a29 <= 277) && 141 <= a29)) || !(15 == a8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. SAFE Result, 194.5s OverallTime, 20 OverallIterations, 9 TraceHistogramMax, 132.0s AutomataDifference, 0.0s DeadEndRemovalTime, 21.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2067 SDtfs, 24242 SDslu, 3597 SDs, 0 SdLazy, 44967 SolverSat, 9988 SolverUnsat, 25 SolverUnknown, 0 SolverNotchecked, 109.0s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 18557 GetRequests, 18024 SyntacticMatches, 41 SemanticMatches, 492 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 11459 ImplicationChecksByTransitivity, 20.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34537occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 12.3s AbstIntTime, 17 AbstIntIterations, 2 AbstIntStrong, 0.9976605084323631 AbsIntWeakeningRatio, 0.13297872340425532 AbsIntAvgWeakeningVarsNumRemoved, 17.77659574468085 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.7s AutomataMinimizationTime, 20 MinimizatonAttempts, 18446 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 2531 PreInvPairs, 3031 NumberOfFragments, 1950 HoareAnnotationTreeSize, 2531 FomulaSimplifications, 2013457 FormulaSimplificationTreeSizeReduction, 6.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 398173 FormulaSimplificationTreeSizeReductionInter, 14.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 18.0s InterpolantComputationTime, 18255 NumberOfCodeBlocks, 18255 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 26934 ConstructedInterpolants, 172 QuantifiedInterpolants, 57227886 SizeOfPredicates, 17 NumberOfNonLiveVariables, 13333 ConjunctsInSsa, 106 ConjunctsInUnsatCore, 50 InterpolantComputations, 6 PerfectInterpolantSequences, 45928/51827 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...