./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label28_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8c5721c2-a572-4049-b404-56f5e4cbeecc/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8c5721c2-a572-4049-b404-56f5e4cbeecc/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8c5721c2-a572-4049-b404-56f5e4cbeecc/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8c5721c2-a572-4049-b404-56f5e4cbeecc/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label28_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8c5721c2-a572-4049-b404-56f5e4cbeecc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8c5721c2-a572-4049-b404-56f5e4cbeecc/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 8ac32c376f816320ca3aac8b16cdfd984f37d577 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:04:21,443 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:04:21,445 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:04:21,451 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:04:21,452 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:04:21,452 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:04:21,453 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:04:21,454 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:04:21,455 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:04:21,456 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:04:21,457 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:04:21,457 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:04:21,458 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:04:21,459 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:04:21,459 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:04:21,460 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:04:21,460 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:04:21,462 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:04:21,463 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:04:21,464 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:04:21,465 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:04:21,466 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:04:21,468 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:04:21,468 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:04:21,468 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:04:21,469 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:04:21,470 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:04:21,470 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:04:21,471 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:04:21,471 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:04:21,472 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:04:21,472 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:04:21,472 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:04:21,473 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:04:21,473 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:04:21,474 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:04:21,474 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8c5721c2-a572-4049-b404-56f5e4cbeecc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 06:04:21,482 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:04:21,482 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:04:21,482 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:04:21,483 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:04:21,483 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 06:04:21,483 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 06:04:21,483 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 06:04:21,483 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 06:04:21,483 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 06:04:21,483 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 06:04:21,484 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 06:04:21,484 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 06:04:21,484 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 06:04:21,484 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:04:21,484 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:04:21,485 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:04:21,485 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:04:21,485 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:04:21,485 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:04:21,485 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:04:21,485 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:04:21,485 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:04:21,485 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:04:21,485 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:04:21,486 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:04:21,486 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:04:21,486 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:04:21,486 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:04:21,486 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:04:21,486 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:04:21,486 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:04:21,487 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:04:21,487 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:04:21,487 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 06:04:21,487 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:04:21,487 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:04:21,487 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 06:04:21,487 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_8c5721c2-a572-4049-b404-56f5e4cbeecc/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 -> 8ac32c376f816320ca3aac8b16cdfd984f37d577 [2018-11-23 06:04:21,515 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:04:21,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:04:21,528 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:04:21,530 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:04:21,530 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:04:21,530 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8c5721c2-a572-4049-b404-56f5e4cbeecc/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label28_true-unreach-call.c [2018-11-23 06:04:21,580 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8c5721c2-a572-4049-b404-56f5e4cbeecc/bin-2019/utaipan/data/d73890ca8/b892eef1bf524ae995721df96ae3561d/FLAGf3845f953 [2018-11-23 06:04:22,039 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:04:22,040 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8c5721c2-a572-4049-b404-56f5e4cbeecc/sv-benchmarks/c/eca-rers2012/Problem16_label28_true-unreach-call.c [2018-11-23 06:04:22,053 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8c5721c2-a572-4049-b404-56f5e4cbeecc/bin-2019/utaipan/data/d73890ca8/b892eef1bf524ae995721df96ae3561d/FLAGf3845f953 [2018-11-23 06:04:22,549 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8c5721c2-a572-4049-b404-56f5e4cbeecc/bin-2019/utaipan/data/d73890ca8/b892eef1bf524ae995721df96ae3561d [2018-11-23 06:04:22,551 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:04:22,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:04:22,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:04:22,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:04:22,555 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:04:22,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:04:22" (1/1) ... [2018-11-23 06:04:22,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be70009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:04:22, skipping insertion in model container [2018-11-23 06:04:22,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:04:22" (1/1) ... [2018-11-23 06:04:22,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:04:22,612 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:04:23,030 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:04:23,033 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:04:23,170 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:04:23,181 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:04:23,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:04:23 WrapperNode [2018-11-23 06:04:23,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:04:23,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:04:23,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:04:23,182 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:04:23,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:04:23" (1/1) ... [2018-11-23 06:04:23,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:04:23" (1/1) ... [2018-11-23 06:04:23,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:04:23,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:04:23,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:04:23,293 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:04:23,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:04:23" (1/1) ... [2018-11-23 06:04:23,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:04:23" (1/1) ... [2018-11-23 06:04:23,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:04:23" (1/1) ... [2018-11-23 06:04:23,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:04:23" (1/1) ... [2018-11-23 06:04:23,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:04:23" (1/1) ... [2018-11-23 06:04:23,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:04:23" (1/1) ... [2018-11-23 06:04:23,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:04:23" (1/1) ... [2018-11-23 06:04:23,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:04:23,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:04:23,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:04:23,376 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:04:23,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:04:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c5721c2-a572-4049-b404-56f5e4cbeecc/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:04:23,426 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 06:04:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 06:04:23,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 06:04:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-23 06:04:23,427 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-23 06:04:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 06:04:23,427 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 06:04:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:04:23,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:04:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 06:04:23,428 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 06:04:25,125 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:04:25,125 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 06:04:25,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:04:25 BoogieIcfgContainer [2018-11-23 06:04:25,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:04:25,126 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:04:25,127 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:04:25,129 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:04:25,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:04:22" (1/3) ... [2018-11-23 06:04:25,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f9875be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:04:25, skipping insertion in model container [2018-11-23 06:04:25,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:04:23" (2/3) ... [2018-11-23 06:04:25,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f9875be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:04:25, skipping insertion in model container [2018-11-23 06:04:25,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:04:25" (3/3) ... [2018-11-23 06:04:25,132 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label28_true-unreach-call.c [2018-11-23 06:04:25,160 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:04:25,171 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 06:04:25,187 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 06:04:25,221 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:04:25,221 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 06:04:25,221 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:04:25,221 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:04:25,221 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:04:25,222 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:04:25,222 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:04:25,222 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:04:25,252 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-11-23 06:04:25,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-23 06:04:25,261 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:04:25,262 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:04:25,264 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:04:25,269 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:04:25,270 INFO L82 PathProgramCache]: Analyzing trace with hash 259572933, now seen corresponding path program 1 times [2018-11-23 06:04:25,272 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:04:25,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:04:25,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:04:25,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:04:25,320 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:04:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:04:25,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:04:25,564 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:04:25,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:04:25,565 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:04:25,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:04:25,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:04:25,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:04:25,586 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-11-23 06:04:27,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:04:27,033 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-11-23 06:04:27,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:04:27,035 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2018-11-23 06:04:27,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:04:27,051 INFO L225 Difference]: With dead ends: 1153 [2018-11-23 06:04:27,051 INFO L226 Difference]: Without dead ends: 742 [2018-11-23 06:04:27,057 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:04:27,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2018-11-23 06:04:27,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 742. [2018-11-23 06:04:27,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-11-23 06:04:27,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1327 transitions. [2018-11-23 06:04:27,129 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1327 transitions. Word has length 72 [2018-11-23 06:04:27,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:04:27,130 INFO L480 AbstractCegarLoop]: Abstraction has 742 states and 1327 transitions. [2018-11-23 06:04:27,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:04:27,130 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1327 transitions. [2018-11-23 06:04:27,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-23 06:04:27,137 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:04:27,137 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, 2, 2, 2, 2, 2, 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] [2018-11-23 06:04:27,138 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:04:27,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:04:27,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1254837677, now seen corresponding path program 1 times [2018-11-23 06:04:27,138 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:04:27,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:04:27,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:04:27,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:04:27,140 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:04:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:04:27,357 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:04:27,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:04:27,358 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 06:04:27,358 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:04:27,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:04:27,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:04:27,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:04:27,360 INFO L87 Difference]: Start difference. First operand 742 states and 1327 transitions. Second operand 6 states. [2018-11-23 06:04:29,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:04:29,648 INFO L93 Difference]: Finished difference Result 2176 states and 3901 transitions. [2018-11-23 06:04:29,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 06:04:29,662 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 179 [2018-11-23 06:04:29,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:04:29,671 INFO L225 Difference]: With dead ends: 2176 [2018-11-23 06:04:29,671 INFO L226 Difference]: Without dead ends: 1440 [2018-11-23 06:04:29,675 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 06:04:29,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1440 states. [2018-11-23 06:04:29,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1440 to 1421. [2018-11-23 06:04:29,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1421 states. [2018-11-23 06:04:29,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 1421 states and 2236 transitions. [2018-11-23 06:04:29,720 INFO L78 Accepts]: Start accepts. Automaton has 1421 states and 2236 transitions. Word has length 179 [2018-11-23 06:04:29,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:04:29,721 INFO L480 AbstractCegarLoop]: Abstraction has 1421 states and 2236 transitions. [2018-11-23 06:04:29,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:04:29,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1421 states and 2236 transitions. [2018-11-23 06:04:29,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-23 06:04:29,724 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:04:29,724 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 06:04:29,724 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:04:29,725 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:04:29,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1819152172, now seen corresponding path program 1 times [2018-11-23 06:04:29,725 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:04:29,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:04:29,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:04:29,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:04:29,726 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:04:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:04:29,899 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:04:29,899 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:04:29,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 06:04:29,899 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:04:29,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:04:29,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:04:29,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:04:29,900 INFO L87 Difference]: Start difference. First operand 1421 states and 2236 transitions. Second operand 6 states. [2018-11-23 06:04:31,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:04:31,366 INFO L93 Difference]: Finished difference Result 3892 states and 6341 transitions. [2018-11-23 06:04:31,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 06:04:31,368 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 182 [2018-11-23 06:04:31,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:04:31,376 INFO L225 Difference]: With dead ends: 3892 [2018-11-23 06:04:31,376 INFO L226 Difference]: Without dead ends: 2477 [2018-11-23 06:04:31,378 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 06:04:31,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2477 states. [2018-11-23 06:04:31,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2477 to 2468. [2018-11-23 06:04:31,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2468 states. [2018-11-23 06:04:31,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2468 states to 2468 states and 3738 transitions. [2018-11-23 06:04:31,421 INFO L78 Accepts]: Start accepts. Automaton has 2468 states and 3738 transitions. Word has length 182 [2018-11-23 06:04:31,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:04:31,421 INFO L480 AbstractCegarLoop]: Abstraction has 2468 states and 3738 transitions. [2018-11-23 06:04:31,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:04:31,422 INFO L276 IsEmpty]: Start isEmpty. Operand 2468 states and 3738 transitions. [2018-11-23 06:04:31,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-11-23 06:04:31,426 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:04:31,426 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:04:31,426 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:04:31,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:04:31,427 INFO L82 PathProgramCache]: Analyzing trace with hash 244891436, now seen corresponding path program 1 times [2018-11-23 06:04:31,427 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:04:31,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:04:31,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:04:31,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:04:31,428 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:04:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:04:31,590 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 130 proven. 106 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 06:04:31,591 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:04:31,591 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:04:31,592 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 298 with the following transitions: [2018-11-23 06:04:31,593 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:04:31,630 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:04:31,630 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:04:31,960 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 06:04:31,962 INFO L272 AbstractInterpreter]: Visited 120 different actions 120 times. Never merged. Never widened. Performed 1097 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1097 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-23 06:04:31,988 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:04:31,988 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 06:04:32,397 INFO L227 lantSequenceWeakener]: Weakened 288 states. On average, predicates are now at 78.13% of their original sizes. [2018-11-23 06:04:32,397 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 06:04:32,438 INFO L415 sIntCurrentIteration]: We unified 296 AI predicates to 296 [2018-11-23 06:04:32,438 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 06:04:32,438 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:04:32,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-23 06:04:32,439 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:04:32,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:04:32,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:04:32,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:04:32,440 INFO L87 Difference]: Start difference. First operand 2468 states and 3738 transitions. Second operand 6 states. [2018-11-23 06:05:21,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:05:21,614 INFO L93 Difference]: Finished difference Result 5268 states and 7953 transitions. [2018-11-23 06:05:21,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 06:05:21,614 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 297 [2018-11-23 06:05:21,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:05:21,624 INFO L225 Difference]: With dead ends: 5268 [2018-11-23 06:05:21,624 INFO L226 Difference]: Without dead ends: 2806 [2018-11-23 06:05:21,628 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 297 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:05:21,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2806 states. [2018-11-23 06:05:21,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2806 to 2805. [2018-11-23 06:05:21,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2805 states. [2018-11-23 06:05:21,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2805 states to 2805 states and 4082 transitions. [2018-11-23 06:05:21,675 INFO L78 Accepts]: Start accepts. Automaton has 2805 states and 4082 transitions. Word has length 297 [2018-11-23 06:05:21,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:05:21,675 INFO L480 AbstractCegarLoop]: Abstraction has 2805 states and 4082 transitions. [2018-11-23 06:05:21,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:05:21,675 INFO L276 IsEmpty]: Start isEmpty. Operand 2805 states and 4082 transitions. [2018-11-23 06:05:21,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2018-11-23 06:05:21,680 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:05:21,680 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:05:21,681 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:05:21,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:05:21,681 INFO L82 PathProgramCache]: Analyzing trace with hash 756913700, now seen corresponding path program 1 times [2018-11-23 06:05:21,681 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:05:21,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:05:21,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:05:21,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:05:21,682 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:05:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:05:21,862 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 288 proven. 110 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-23 06:05:21,862 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:05:21,862 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:05:21,862 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 389 with the following transitions: [2018-11-23 06:05:21,863 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:05:21,867 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:05:21,867 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:05:22,031 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 06:05:22,031 INFO L272 AbstractInterpreter]: Visited 124 different actions 359 times. Merged at 4 different actions 7 times. Never widened. Performed 3532 root evaluator evaluations with a maximum evaluation depth of 7. Performed 3532 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 06:05:22,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:05:22,040 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 06:05:22,286 INFO L227 lantSequenceWeakener]: Weakened 385 states. On average, predicates are now at 80.69% of their original sizes. [2018-11-23 06:05:22,286 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 06:05:22,345 INFO L415 sIntCurrentIteration]: We unified 387 AI predicates to 387 [2018-11-23 06:05:22,345 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 06:05:22,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:05:22,345 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 06:05:22,345 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:05:22,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 06:05:22,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 06:05:22,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:05:22,346 INFO L87 Difference]: Start difference. First operand 2805 states and 4082 transitions. Second operand 10 states. [2018-11-23 06:06:53,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:06:53,730 INFO L93 Difference]: Finished difference Result 8037 states and 11681 transitions. [2018-11-23 06:06:53,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 06:06:53,730 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 388 [2018-11-23 06:06:53,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:06:53,742 INFO L225 Difference]: With dead ends: 8037 [2018-11-23 06:06:53,742 INFO L226 Difference]: Without dead ends: 5575 [2018-11-23 06:06:53,750 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 397 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 06:06:53,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5575 states. [2018-11-23 06:06:53,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5575 to 5556. [2018-11-23 06:06:53,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5556 states. [2018-11-23 06:06:53,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5556 states to 5556 states and 7089 transitions. [2018-11-23 06:06:53,830 INFO L78 Accepts]: Start accepts. Automaton has 5556 states and 7089 transitions. Word has length 388 [2018-11-23 06:06:53,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:06:53,830 INFO L480 AbstractCegarLoop]: Abstraction has 5556 states and 7089 transitions. [2018-11-23 06:06:53,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 06:06:53,830 INFO L276 IsEmpty]: Start isEmpty. Operand 5556 states and 7089 transitions. [2018-11-23 06:06:53,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2018-11-23 06:06:53,839 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:06:53,840 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:06:53,841 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:06:53,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:06:53,841 INFO L82 PathProgramCache]: Analyzing trace with hash 686945164, now seen corresponding path program 1 times [2018-11-23 06:06:53,842 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:06:53,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:06:53,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:06:53,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:06:53,843 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:06:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:06:54,651 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 303 proven. 123 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 06:06:54,651 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:06:54,651 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:06:54,652 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 537 with the following transitions: [2018-11-23 06:06:54,652 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:06:54,656 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:06:54,656 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:06:54,806 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 06:06:54,806 INFO L272 AbstractInterpreter]: Visited 248 different actions 490 times. Merged at 4 different actions 4 times. Never widened. Performed 5197 root evaluator evaluations with a maximum evaluation depth of 10. Performed 5197 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 06:06:54,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:06:54,812 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 06:06:55,137 INFO L227 lantSequenceWeakener]: Weakened 533 states. On average, predicates are now at 77.77% of their original sizes. [2018-11-23 06:06:55,137 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 06:06:55,216 INFO L415 sIntCurrentIteration]: We unified 535 AI predicates to 535 [2018-11-23 06:06:55,216 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 06:06:55,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:06:55,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2018-11-23 06:06:55,217 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:06:55,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 06:06:55,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 06:06:55,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:06:55,218 INFO L87 Difference]: Start difference. First operand 5556 states and 7089 transitions. Second operand 10 states. [2018-11-23 06:07:34,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:07:34,064 INFO L93 Difference]: Finished difference Result 11110 states and 14319 transitions. [2018-11-23 06:07:34,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 06:07:34,064 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 536 [2018-11-23 06:07:34,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:07:34,076 INFO L225 Difference]: With dead ends: 11110 [2018-11-23 06:07:34,076 INFO L226 Difference]: Without dead ends: 5897 [2018-11-23 06:07:34,083 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 543 GetRequests, 527 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-23 06:07:34,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5897 states. [2018-11-23 06:07:34,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5897 to 5895. [2018-11-23 06:07:34,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5895 states. [2018-11-23 06:07:34,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5895 states to 5895 states and 7444 transitions. [2018-11-23 06:07:34,162 INFO L78 Accepts]: Start accepts. Automaton has 5895 states and 7444 transitions. Word has length 536 [2018-11-23 06:07:34,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:07:34,162 INFO L480 AbstractCegarLoop]: Abstraction has 5895 states and 7444 transitions. [2018-11-23 06:07:34,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 06:07:34,163 INFO L276 IsEmpty]: Start isEmpty. Operand 5895 states and 7444 transitions. [2018-11-23 06:07:34,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 628 [2018-11-23 06:07:34,174 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:07:34,175 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:07:34,175 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:07:34,175 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:07:34,175 INFO L82 PathProgramCache]: Analyzing trace with hash -49386092, now seen corresponding path program 1 times [2018-11-23 06:07:34,175 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:07:34,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:07:34,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:07:34,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:07:34,176 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:07:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:07:35,063 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 357 proven. 223 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2018-11-23 06:07:35,063 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:07:35,063 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:07:35,063 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 628 with the following transitions: [2018-11-23 06:07:35,064 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:07:35,067 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:07:35,067 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:07:35,512 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:07:35,512 INFO L272 AbstractInterpreter]: Visited 250 different actions 1243 times. Merged at 8 different actions 36 times. Widened at 1 different actions 1 times. Performed 15062 root evaluator evaluations with a maximum evaluation depth of 17. Performed 15062 inverse root evaluator evaluations with a maximum inverse evaluation depth of 17. Found 9 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 06:07:35,513 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:07:35,514 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:07:35,514 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:07:35,514 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c5721c2-a572-4049-b404-56f5e4cbeecc/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:07:35,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:07:35,525 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:07:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:07:35,657 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:07:35,888 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 624 proven. 2 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2018-11-23 06:07:35,888 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:07:36,311 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 357 proven. 223 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2018-11-23 06:07:36,330 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:07:36,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 18 [2018-11-23 06:07:36,331 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:07:36,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 06:07:36,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 06:07:36,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2018-11-23 06:07:36,332 INFO L87 Difference]: Start difference. First operand 5895 states and 7444 transitions. Second operand 15 states. [2018-11-23 06:07:42,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:07:42,422 INFO L93 Difference]: Finished difference Result 14231 states and 18060 transitions. [2018-11-23 06:07:42,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-11-23 06:07:42,422 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 627 [2018-11-23 06:07:42,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:07:42,434 INFO L225 Difference]: With dead ends: 14231 [2018-11-23 06:07:42,434 INFO L226 Difference]: Without dead ends: 6139 [2018-11-23 06:07:42,459 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1342 GetRequests, 1284 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1018 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=778, Invalid=2762, Unknown=0, NotChecked=0, Total=3540 [2018-11-23 06:07:42,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6139 states. [2018-11-23 06:07:42,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6139 to 5949. [2018-11-23 06:07:42,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5949 states. [2018-11-23 06:07:42,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5949 states to 5949 states and 6533 transitions. [2018-11-23 06:07:42,527 INFO L78 Accepts]: Start accepts. Automaton has 5949 states and 6533 transitions. Word has length 627 [2018-11-23 06:07:42,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:07:42,527 INFO L480 AbstractCegarLoop]: Abstraction has 5949 states and 6533 transitions. [2018-11-23 06:07:42,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 06:07:42,527 INFO L276 IsEmpty]: Start isEmpty. Operand 5949 states and 6533 transitions. [2018-11-23 06:07:42,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2018-11-23 06:07:42,532 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:07:42,532 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:07:42,533 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:07:42,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:07:42,533 INFO L82 PathProgramCache]: Analyzing trace with hash 19374457, now seen corresponding path program 1 times [2018-11-23 06:07:42,533 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:07:42,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:07:42,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:07:42,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:07:42,534 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:07:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:07:42,851 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 270 proven. 389 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2018-11-23 06:07:42,851 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:07:42,851 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:07:42,852 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 645 with the following transitions: [2018-11-23 06:07:42,852 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:07:42,855 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:07:42,855 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:07:43,125 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 06:07:43,125 INFO L272 AbstractInterpreter]: Visited 257 different actions 763 times. Merged at 6 different actions 12 times. Never widened. Performed 8951 root evaluator evaluations with a maximum evaluation depth of 10. Performed 8951 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 06:07:43,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:07:43,127 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 06:07:43,436 INFO L227 lantSequenceWeakener]: Weakened 641 states. On average, predicates are now at 80.48% of their original sizes. [2018-11-23 06:07:43,436 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 06:07:43,474 INFO L415 sIntCurrentIteration]: We unified 643 AI predicates to 643 [2018-11-23 06:07:43,474 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 06:07:43,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:07:43,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-23 06:07:43,475 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:07:43,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 06:07:43,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 06:07:43,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 06:07:43,476 INFO L87 Difference]: Start difference. First operand 5949 states and 6533 transitions. Second operand 9 states. [2018-11-23 06:08:32,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:08:32,071 INFO L93 Difference]: Finished difference Result 12420 states and 13714 transitions. [2018-11-23 06:08:32,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 06:08:32,071 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 644 [2018-11-23 06:08:32,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:08:32,082 INFO L225 Difference]: With dead ends: 12420 [2018-11-23 06:08:32,082 INFO L226 Difference]: Without dead ends: 7153 [2018-11-23 06:08:32,087 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 650 GetRequests, 636 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-23 06:08:32,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7153 states. [2018-11-23 06:08:32,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7153 to 7134. [2018-11-23 06:08:32,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7134 states. [2018-11-23 06:08:32,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7134 states to 7134 states and 7742 transitions. [2018-11-23 06:08:32,182 INFO L78 Accepts]: Start accepts. Automaton has 7134 states and 7742 transitions. Word has length 644 [2018-11-23 06:08:32,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:08:32,183 INFO L480 AbstractCegarLoop]: Abstraction has 7134 states and 7742 transitions. [2018-11-23 06:08:32,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 06:08:32,183 INFO L276 IsEmpty]: Start isEmpty. Operand 7134 states and 7742 transitions. [2018-11-23 06:08:32,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 774 [2018-11-23 06:08:32,191 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:08:32,192 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:08:32,192 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:08:32,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:08:32,192 INFO L82 PathProgramCache]: Analyzing trace with hash 206186147, now seen corresponding path program 1 times [2018-11-23 06:08:32,193 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:08:32,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:08:32,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:08:32,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:08:32,193 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:08:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:08:33,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1414 backedges. 572 proven. 511 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2018-11-23 06:08:33,087 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:08:33,087 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:08:33,087 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 774 with the following transitions: [2018-11-23 06:08:33,088 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:08:33,090 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:08:33,090 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:08:33,608 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:08:33,608 INFO L272 AbstractInterpreter]: Visited 259 different actions 1293 times. Merged at 9 different actions 41 times. Widened at 1 different actions 1 times. Performed 15797 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15797 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 06:08:33,612 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:08:33,612 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:08:33,612 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:08:33,612 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c5721c2-a572-4049-b404-56f5e4cbeecc/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:08:33,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:08:33,618 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:08:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:08:33,723 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:08:34,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1414 backedges. 1023 proven. 2 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2018-11-23 06:08:34,063 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:08:34,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1414 backedges. 671 proven. 110 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2018-11-23 06:08:34,329 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:08:34,329 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-23 06:08:34,329 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:08:34,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 06:08:34,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 06:08:34,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-11-23 06:08:34,330 INFO L87 Difference]: Start difference. First operand 7134 states and 7742 transitions. Second operand 15 states. [2018-11-23 06:08:39,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:08:39,109 INFO L93 Difference]: Finished difference Result 19597 states and 21733 transitions. [2018-11-23 06:08:39,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-11-23 06:08:39,109 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 773 [2018-11-23 06:08:39,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:08:39,129 INFO L225 Difference]: With dead ends: 19597 [2018-11-23 06:08:39,129 INFO L226 Difference]: Without dead ends: 13145 [2018-11-23 06:08:39,139 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1637 GetRequests, 1578 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1001 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=680, Invalid=2742, Unknown=0, NotChecked=0, Total=3422 [2018-11-23 06:08:39,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13145 states. [2018-11-23 06:08:39,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13145 to 11170. [2018-11-23 06:08:39,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11170 states. [2018-11-23 06:08:39,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11170 states to 11170 states and 12169 transitions. [2018-11-23 06:08:39,252 INFO L78 Accepts]: Start accepts. Automaton has 11170 states and 12169 transitions. Word has length 773 [2018-11-23 06:08:39,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:08:39,253 INFO L480 AbstractCegarLoop]: Abstraction has 11170 states and 12169 transitions. [2018-11-23 06:08:39,253 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 06:08:39,253 INFO L276 IsEmpty]: Start isEmpty. Operand 11170 states and 12169 transitions. [2018-11-23 06:08:39,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1100 [2018-11-23 06:08:39,264 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:08:39,264 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:08:39,264 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:08:39,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:08:39,265 INFO L82 PathProgramCache]: Analyzing trace with hash -601070877, now seen corresponding path program 1 times [2018-11-23 06:08:39,265 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:08:39,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:08:39,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:08:39,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:08:39,266 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:08:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:08:39,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2773 backedges. 908 proven. 223 refuted. 0 times theorem prover too weak. 1642 trivial. 0 not checked. [2018-11-23 06:08:39,874 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:08:39,874 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:08:39,875 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1100 with the following transitions: [2018-11-23 06:08:39,875 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:08:39,877 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:08:39,877 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:08:40,318 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:08:40,319 INFO L272 AbstractInterpreter]: Visited 253 different actions 1020 times. Merged at 11 different actions 40 times. Never widened. Performed 11959 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11959 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 13 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-23 06:08:40,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:08:40,320 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:08:40,320 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:08:40,320 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c5721c2-a572-4049-b404-56f5e4cbeecc/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:08:40,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:08:40,326 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:08:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:08:40,457 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:08:40,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2773 backedges. 1850 proven. 2 refuted. 0 times theorem prover too weak. 921 trivial. 0 not checked. [2018-11-23 06:08:40,893 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:08:41,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2773 backedges. 908 proven. 223 refuted. 0 times theorem prover too weak. 1642 trivial. 0 not checked. [2018-11-23 06:08:41,375 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:08:41,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 06:08:41,375 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:08:41,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 06:08:41,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 06:08:41,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:08:41,377 INFO L87 Difference]: Start difference. First operand 11170 states and 12169 transitions. Second operand 9 states. [2018-11-23 06:08:42,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:08:42,900 INFO L93 Difference]: Finished difference Result 23315 states and 25708 transitions. [2018-11-23 06:08:42,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 06:08:42,900 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1099 [2018-11-23 06:08:42,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:08:42,919 INFO L225 Difference]: With dead ends: 23315 [2018-11-23 06:08:42,919 INFO L226 Difference]: Without dead ends: 12871 [2018-11-23 06:08:42,935 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2215 GetRequests, 2199 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-23 06:08:42,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12871 states. [2018-11-23 06:08:43,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12871 to 12795. [2018-11-23 06:08:43,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12795 states. [2018-11-23 06:08:43,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12795 states to 12795 states and 13783 transitions. [2018-11-23 06:08:43,098 INFO L78 Accepts]: Start accepts. Automaton has 12795 states and 13783 transitions. Word has length 1099 [2018-11-23 06:08:43,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:08:43,099 INFO L480 AbstractCegarLoop]: Abstraction has 12795 states and 13783 transitions. [2018-11-23 06:08:43,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 06:08:43,099 INFO L276 IsEmpty]: Start isEmpty. Operand 12795 states and 13783 transitions. [2018-11-23 06:08:43,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1101 [2018-11-23 06:08:43,117 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:08:43,117 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:08:43,117 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:08:43,118 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:08:43,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1641928256, now seen corresponding path program 1 times [2018-11-23 06:08:43,118 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:08:43,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:08:43,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:08:43,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:08:43,119 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:08:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:08:43,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2779 backedges. 1083 proven. 110 refuted. 0 times theorem prover too weak. 1586 trivial. 0 not checked. [2018-11-23 06:08:43,880 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:08:43,880 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:08:43,881 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1101 with the following transitions: [2018-11-23 06:08:43,881 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:08:43,884 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:08:43,884 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:08:44,390 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:08:44,391 INFO L272 AbstractInterpreter]: Visited 253 different actions 1018 times. Merged at 11 different actions 38 times. Widened at 1 different actions 1 times. Performed 11921 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11921 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 13 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-23 06:08:44,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:08:44,392 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:08:44,392 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:08:44,392 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c5721c2-a572-4049-b404-56f5e4cbeecc/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:08:44,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:08:44,398 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:08:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:08:44,533 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:08:44,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2779 backedges. 1617 proven. 2 refuted. 0 times theorem prover too weak. 1160 trivial. 0 not checked. [2018-11-23 06:08:44,908 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:08:45,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2779 backedges. 1083 proven. 110 refuted. 0 times theorem prover too weak. 1586 trivial. 0 not checked. [2018-11-23 06:08:45,359 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:08:45,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 06:08:45,359 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:08:45,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 06:08:45,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 06:08:45,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:08:45,360 INFO L87 Difference]: Start difference. First operand 12795 states and 13783 transitions. Second operand 9 states. [2018-11-23 06:08:47,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:08:47,936 INFO L93 Difference]: Finished difference Result 28416 states and 31901 transitions. [2018-11-23 06:08:47,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 06:08:47,937 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1100 [2018-11-23 06:08:47,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:08:47,974 INFO L225 Difference]: With dead ends: 28416 [2018-11-23 06:08:47,974 INFO L226 Difference]: Without dead ends: 16347 [2018-11-23 06:08:47,991 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2228 GetRequests, 2206 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-11-23 06:08:48,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16347 states. [2018-11-23 06:08:48,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16347 to 16283. [2018-11-23 06:08:48,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16283 states. [2018-11-23 06:08:48,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16283 states to 16283 states and 17813 transitions. [2018-11-23 06:08:48,181 INFO L78 Accepts]: Start accepts. Automaton has 16283 states and 17813 transitions. Word has length 1100 [2018-11-23 06:08:48,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:08:48,182 INFO L480 AbstractCegarLoop]: Abstraction has 16283 states and 17813 transitions. [2018-11-23 06:08:48,182 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 06:08:48,182 INFO L276 IsEmpty]: Start isEmpty. Operand 16283 states and 17813 transitions. [2018-11-23 06:08:48,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1111 [2018-11-23 06:08:48,202 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:08:48,202 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:08:48,202 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:08:48,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:08:48,203 INFO L82 PathProgramCache]: Analyzing trace with hash 254828895, now seen corresponding path program 1 times [2018-11-23 06:08:48,203 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:08:48,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:08:48,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:08:48,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:08:48,204 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:08:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:08:49,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2495 backedges. 968 proven. 110 refuted. 0 times theorem prover too weak. 1417 trivial. 0 not checked. [2018-11-23 06:08:49,069 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:08:49,069 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:08:49,069 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1111 with the following transitions: [2018-11-23 06:08:49,069 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:08:49,071 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:08:49,071 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:08:49,570 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:08:49,570 INFO L272 AbstractInterpreter]: Visited 252 different actions 1010 times. Merged at 10 different actions 34 times. Widened at 1 different actions 1 times. Performed 11861 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11861 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-23 06:08:49,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:08:49,576 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:08:49,576 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:08:49,576 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c5721c2-a572-4049-b404-56f5e4cbeecc/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:08:49,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:08:49,582 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:08:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:08:49,705 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:08:50,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2495 backedges. 1436 proven. 2 refuted. 0 times theorem prover too weak. 1057 trivial. 0 not checked. [2018-11-23 06:08:50,053 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:08:50,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2495 backedges. 968 proven. 110 refuted. 0 times theorem prover too weak. 1417 trivial. 0 not checked. [2018-11-23 06:08:50,521 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:08:50,521 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-11-23 06:08:50,521 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:08:50,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 06:08:50,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 06:08:50,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-23 06:08:50,522 INFO L87 Difference]: Start difference. First operand 16283 states and 17813 transitions. Second operand 10 states. [2018-11-23 06:08:52,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:08:52,526 INFO L93 Difference]: Finished difference Result 31460 states and 34329 transitions. [2018-11-23 06:08:52,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 06:08:52,527 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1110 [2018-11-23 06:08:52,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:08:52,547 INFO L225 Difference]: With dead ends: 31460 [2018-11-23 06:08:52,547 INFO L226 Difference]: Without dead ends: 15903 [2018-11-23 06:08:52,566 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2251 GetRequests, 2227 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2018-11-23 06:08:52,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15903 states. [2018-11-23 06:08:52,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15903 to 15821. [2018-11-23 06:08:52,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15821 states. [2018-11-23 06:08:52,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15821 states to 15821 states and 16927 transitions. [2018-11-23 06:08:52,700 INFO L78 Accepts]: Start accepts. Automaton has 15821 states and 16927 transitions. Word has length 1110 [2018-11-23 06:08:52,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:08:52,700 INFO L480 AbstractCegarLoop]: Abstraction has 15821 states and 16927 transitions. [2018-11-23 06:08:52,700 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 06:08:52,700 INFO L276 IsEmpty]: Start isEmpty. Operand 15821 states and 16927 transitions. [2018-11-23 06:08:52,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1132 [2018-11-23 06:08:52,712 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:08:52,712 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:08:52,712 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:08:52,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:08:52,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1401702779, now seen corresponding path program 1 times [2018-11-23 06:08:52,713 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:08:52,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:08:52,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:08:52,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:08:52,714 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:08:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:08:53,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2111 backedges. 1038 proven. 618 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2018-11-23 06:08:53,696 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:08:53,696 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:08:53,696 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1132 with the following transitions: [2018-11-23 06:08:53,696 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:08:53,698 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:08:53,698 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:08:54,472 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:08:54,473 INFO L272 AbstractInterpreter]: Visited 285 different actions 1136 times. Merged at 8 different actions 28 times. Never widened. Performed 13720 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13720 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 10 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-23 06:08:54,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:08:54,476 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:08:54,476 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:08:54,476 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c5721c2-a572-4049-b404-56f5e4cbeecc/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:08:54,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:08:54,483 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:08:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:08:54,626 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:08:54,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2111 backedges. 337 proven. 0 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-11-23 06:08:54,938 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:08:55,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2111 backedges. 337 proven. 0 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-11-23 06:08:55,358 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:08:55,358 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-23 06:08:55,358 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:08:55,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:08:55,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:08:55,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-23 06:08:55,359 INFO L87 Difference]: Start difference. First operand 15821 states and 16927 transitions. Second operand 3 states. [2018-11-23 06:08:55,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:08:55,942 INFO L93 Difference]: Finished difference Result 30283 states and 32464 transitions. [2018-11-23 06:08:55,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:08:55,943 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1131 [2018-11-23 06:08:55,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:08:55,966 INFO L225 Difference]: With dead ends: 30283 [2018-11-23 06:08:55,966 INFO L226 Difference]: Without dead ends: 15188 [2018-11-23 06:08:55,983 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2274 GetRequests, 2263 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-23 06:08:55,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15188 states. [2018-11-23 06:08:56,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15188 to 15188. [2018-11-23 06:08:56,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15188 states. [2018-11-23 06:08:56,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15188 states to 15188 states and 16171 transitions. [2018-11-23 06:08:56,135 INFO L78 Accepts]: Start accepts. Automaton has 15188 states and 16171 transitions. Word has length 1131 [2018-11-23 06:08:56,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:08:56,136 INFO L480 AbstractCegarLoop]: Abstraction has 15188 states and 16171 transitions. [2018-11-23 06:08:56,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:08:56,136 INFO L276 IsEmpty]: Start isEmpty. Operand 15188 states and 16171 transitions. [2018-11-23 06:08:56,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1203 [2018-11-23 06:08:56,148 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:08:56,148 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:08:56,148 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:08:56,148 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:08:56,149 INFO L82 PathProgramCache]: Analyzing trace with hash -557185419, now seen corresponding path program 1 times [2018-11-23 06:08:56,149 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:08:56,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:08:56,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:08:56,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:08:56,150 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:08:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:08:57,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2531 backedges. 1312 proven. 687 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2018-11-23 06:08:57,069 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:08:57,069 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:08:57,070 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1203 with the following transitions: [2018-11-23 06:08:57,070 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:08:57,073 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:08:57,073 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:08:57,922 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:08:57,922 INFO L272 AbstractInterpreter]: Visited 286 different actions 1142 times. Merged at 9 different actions 30 times. Never widened. Performed 13818 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13818 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-23 06:08:57,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:08:57,923 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:08:57,923 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:08:57,923 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c5721c2-a572-4049-b404-56f5e4cbeecc/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 [2018-11-23 06:08:57,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:08:57,929 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:08:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:08:58,064 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:08:58,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2531 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 2126 trivial. 0 not checked. [2018-11-23 06:08:58,494 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:08:58,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2531 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 2126 trivial. 0 not checked. [2018-11-23 06:08:58,891 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:08:58,891 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-23 06:08:58,891 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:08:58,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:08:58,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:08:58,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-23 06:08:58,892 INFO L87 Difference]: Start difference. First operand 15188 states and 16171 transitions. Second operand 3 states. [2018-11-23 06:08:59,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:08:59,438 INFO L93 Difference]: Finished difference Result 28712 states and 30598 transitions. [2018-11-23 06:08:59,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:08:59,438 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1202 [2018-11-23 06:08:59,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:08:59,455 INFO L225 Difference]: With dead ends: 28712 [2018-11-23 06:08:59,455 INFO L226 Difference]: Without dead ends: 14250 [2018-11-23 06:08:59,467 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2418 GetRequests, 2406 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-23 06:08:59,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14250 states. [2018-11-23 06:08:59,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14250 to 14157. [2018-11-23 06:08:59,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14157 states. [2018-11-23 06:08:59,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14157 states to 14157 states and 14846 transitions. [2018-11-23 06:08:59,627 INFO L78 Accepts]: Start accepts. Automaton has 14157 states and 14846 transitions. Word has length 1202 [2018-11-23 06:08:59,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:08:59,628 INFO L480 AbstractCegarLoop]: Abstraction has 14157 states and 14846 transitions. [2018-11-23 06:08:59,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:08:59,628 INFO L276 IsEmpty]: Start isEmpty. Operand 14157 states and 14846 transitions. [2018-11-23 06:08:59,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1347 [2018-11-23 06:08:59,640 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:08:59,641 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, 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:08:59,641 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:08:59,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:08:59,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1323020509, now seen corresponding path program 1 times [2018-11-23 06:08:59,641 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:08:59,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:08:59,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:08:59,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:08:59,642 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:08:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:09:01,262 INFO L134 CoverageAnalysis]: Checked inductivity of 3967 backedges. 1500 proven. 68 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2018-11-23 06:09:01,263 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:09:01,263 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:09:01,263 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1347 with the following transitions: [2018-11-23 06:09:01,263 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1268], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:09:01,266 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:09:01,266 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:09:01,687 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:09:01,687 INFO L272 AbstractInterpreter]: Visited 254 different actions 1024 times. Merged at 12 different actions 40 times. Widened at 1 different actions 1 times. Performed 12020 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12020 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-23 06:09:01,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:09:01,692 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:09:01,692 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:09:01,692 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c5721c2-a572-4049-b404-56f5e4cbeecc/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 [2018-11-23 06:09:01,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:09:01,699 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:09:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:09:01,896 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:09:02,531 INFO L134 CoverageAnalysis]: Checked inductivity of 3967 backedges. 2733 proven. 6 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2018-11-23 06:09:02,532 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:09:03,758 INFO L134 CoverageAnalysis]: Checked inductivity of 3967 backedges. 1685 proven. 360 refuted. 0 times theorem prover too weak. 1922 trivial. 0 not checked. [2018-11-23 06:09:03,774 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:09:03,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 22 [2018-11-23 06:09:03,774 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:09:03,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 06:09:03,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 06:09:03,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2018-11-23 06:09:03,776 INFO L87 Difference]: Start difference. First operand 14157 states and 14846 transitions. Second operand 17 states. [2018-11-23 06:09:14,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:09:14,903 INFO L93 Difference]: Finished difference Result 30917 states and 32532 transitions. [2018-11-23 06:09:14,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-11-23 06:09:14,903 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1346 [2018-11-23 06:09:14,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:09:14,917 INFO L225 Difference]: With dead ends: 30917 [2018-11-23 06:09:14,917 INFO L226 Difference]: Without dead ends: 15291 [2018-11-23 06:09:14,926 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2789 GetRequests, 2721 SyntacticMatches, 5 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1048 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=736, Invalid=3424, Unknown=0, NotChecked=0, Total=4160 [2018-11-23 06:09:14,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15291 states. [2018-11-23 06:09:15,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15291 to 14216. [2018-11-23 06:09:15,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14216 states. [2018-11-23 06:09:15,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14216 states to 14216 states and 14773 transitions. [2018-11-23 06:09:15,032 INFO L78 Accepts]: Start accepts. Automaton has 14216 states and 14773 transitions. Word has length 1346 [2018-11-23 06:09:15,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:09:15,033 INFO L480 AbstractCegarLoop]: Abstraction has 14216 states and 14773 transitions. [2018-11-23 06:09:15,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 06:09:15,033 INFO L276 IsEmpty]: Start isEmpty. Operand 14216 states and 14773 transitions. [2018-11-23 06:09:15,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1908 [2018-11-23 06:09:15,055 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:09:15,056 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:09:15,056 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:09:15,056 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:09:15,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1113505353, now seen corresponding path program 1 times [2018-11-23 06:09:15,056 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:09:15,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:09:15,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:09:15,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:09:15,057 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:09:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:09:16,540 INFO L134 CoverageAnalysis]: Checked inductivity of 6411 backedges. 2087 proven. 64 refuted. 0 times theorem prover too weak. 4260 trivial. 0 not checked. [2018-11-23 06:09:16,541 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:09:16,541 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:09:16,541 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1908 with the following transitions: [2018-11-23 06:09:16,541 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1540], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:09:16,544 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:09:16,544 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:09:17,390 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:09:17,391 INFO L272 AbstractInterpreter]: Visited 302 different actions 1208 times. Merged at 10 different actions 32 times. Never widened. Performed 14652 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14652 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 14 fixpoints after 7 different actions. Largest state had 24 variables. [2018-11-23 06:09:17,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:09:17,392 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:09:17,392 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:09:17,392 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c5721c2-a572-4049-b404-56f5e4cbeecc/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 [2018-11-23 06:09:17,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:09:17,400 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:09:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:09:17,591 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:09:18,479 INFO L134 CoverageAnalysis]: Checked inductivity of 6411 backedges. 609 proven. 0 refuted. 0 times theorem prover too weak. 5802 trivial. 0 not checked. [2018-11-23 06:09:18,479 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:09:19,418 INFO L134 CoverageAnalysis]: Checked inductivity of 6411 backedges. 609 proven. 0 refuted. 0 times theorem prover too weak. 5802 trivial. 0 not checked. [2018-11-23 06:09:19,434 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:09:19,435 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-11-23 06:09:19,435 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:09:19,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:09:19,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:09:19,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:09:19,436 INFO L87 Difference]: Start difference. First operand 14216 states and 14773 transitions. Second operand 3 states. [2018-11-23 06:09:20,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:09:20,106 INFO L93 Difference]: Finished difference Result 35694 states and 37271 transitions. [2018-11-23 06:09:20,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:09:20,106 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1907 [2018-11-23 06:09:20,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:09:20,108 INFO L225 Difference]: With dead ends: 35694 [2018-11-23 06:09:20,108 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 06:09:20,123 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3820 GetRequests, 3815 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:09:20,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 06:09:20,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 06:09:20,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 06:09:20,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 06:09:20,124 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1907 [2018-11-23 06:09:20,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:09:20,124 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 06:09:20,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:09:20,125 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 06:09:20,125 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 06:09:20,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 06:09:20,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:20,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:20,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:20,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:20,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:20,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:20,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:20,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:20,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:20,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:20,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:20,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:20,577 WARN L180 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 265 [2018-11-23 06:09:20,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:20,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:20,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:20,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:20,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:20,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:20,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:20,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:21,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:21,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:21,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:21,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:21,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:21,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:21,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:21,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:21,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:09:22,041 WARN L180 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 290 [2018-11-23 06:09:22,730 WARN L180 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 62 [2018-11-23 06:09:24,078 WARN L180 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 354 DAG size of output: 116 [2018-11-23 06:09:24,979 WARN L180 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 105 [2018-11-23 06:09:27,645 WARN L180 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 365 DAG size of output: 151 [2018-11-23 06:09:28,368 WARN L180 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 59 [2018-11-23 06:09:28,369 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:09:28,369 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (<= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-11-23 06:09:28,370 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:09:28,370 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,370 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-23 06:09:28,370 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,370 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,370 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,370 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,370 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,370 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,370 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,370 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,370 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,370 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,370 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,371 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,371 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,371 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,371 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,371 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,371 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,371 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,371 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,371 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,371 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,371 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,371 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,371 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,371 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,371 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,371 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,372 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse34 (= 5 |old(~a12~0)|)) (.cse33 (= 3 |old(~a15~0)|))) (let ((.cse6 (<= (+ ~a18~0 156) 0)) (.cse5 (< 0 (+ |old(~a18~0)| 156))) (.cse14 (not .cse33)) (.cse27 (not .cse34)) (.cse30 (not (= (+ |old(~a18~0)| 87) 0))) (.cse31 (not (= 11 |old(~a16~0)|))) (.cse1 (= 9 |old(~a16~0)|)) (.cse22 (= 4 |old(~a15~0)|)) (.cse12 (not (= 8 |old(~a12~0)|))) (.cse23 (<= ~a18~0 |old(~a18~0)|)) (.cse24 (= |old(~a15~0)| ~a15~0)) (.cse25 (= ~a16~0 |old(~a16~0)|)) (.cse26 (= |old(~a12~0)| ~a12~0)) (.cse32 (= 8 |old(~a16~0)|))) (let ((.cse7 (< 134 ~a18~0)) (.cse0 (< |old(~a12~0)| 7)) (.cse21 (= (+ ~a18~0 87) 0)) (.cse8 (< 6 |old(~a12~0)|)) (.cse9 (and .cse33 .cse34 .cse32)) (.cse3 (and .cse23 .cse24 .cse25 .cse26)) (.cse29 (or .cse1 .cse22 .cse12)) (.cse4 (and (or (not .cse32) .cse14 .cse27) (or .cse14 .cse27 .cse30 .cse31))) (.cse17 (and (<= (+ |old(~a18~0)| 79) 0) .cse5)) (.cse15 (or .cse6 (< 0 (+ ~a18~0 79)))) (.cse16 (not (= 7 |old(~a12~0)|))) (.cse10 (< (+ |old(~a18~0)| 44) 0)) (.cse11 (<= 0 (+ ~a18~0 44))) (.cse13 (not .cse1)) (.cse2 (= 10 |old(~a16~0)|)) (.cse18 (= |old(~a16~0)| ~a16~0)) (.cse28 (< |old(~a15~0)| 4))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (or .cse6 .cse7)) (or .cse8 .cse9 .cse1 .cse10 .cse11) (or .cse3 .cse12 .cse13) (or .cse4 (<= |old(~a18~0)| 134) .cse7) (or .cse14 .cse15 .cse16 .cse2 .cse17) (or (and .cse18 (let ((.cse19 (= ~a15~0 3)) (.cse20 (= ~a12~0 5))) (or (and (= ~a16~0 8) .cse19 .cse20) (and .cse19 .cse20 .cse21)))) .cse4) (or .cse0 .cse22 .cse10 .cse2 (and .cse11 .cse23 .cse24 .cse25 .cse26)) (or .cse3 (or .cse14 .cse27) .cse13) (or .cse11 .cse10 (< 8 |old(~a16~0)|) .cse28) (or .cse3 .cse29) (or .cse14 .cse16 .cse3 .cse17 .cse13) (or (or .cse14 .cse30 (not (= 6 |old(~a12~0)|))) .cse21 .cse31) (or .cse8 .cse9 .cse1 .cse3) (or .cse10 .cse29 .cse11) (or .cse4 .cse17 .cse15) (or .cse16 .cse10 .cse11 .cse13) (or .cse2 (and .cse18 .cse23 .cse24 .cse26) .cse28))))) [2018-11-23 06:09:28,372 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,372 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,372 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,372 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,372 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,372 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,372 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,372 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-23 06:09:28,372 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,373 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,373 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,373 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,373 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,373 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,373 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,373 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,373 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-23 06:09:28,373 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,373 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,373 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,373 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,373 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,373 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,373 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,374 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,374 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,374 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,374 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,374 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,374 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,374 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 06:09:28,374 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,374 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 06:09:28,374 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 06:09:28,375 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse1 (not (= 3 |old(~a15~0)|))) (.cse6 (not (= 5 |old(~a12~0)|))) (.cse4 (not (= (+ |old(~a18~0)| 87) 0))) (.cse2 (not (= 11 |old(~a16~0)|))) (.cse5 (= (+ ~a18~0 87) 0)) (.cse36 (= ~a15~0 3))) (let ((.cse25 (= |old(~a16~0)| ~a16~0)) (.cse34 (not .cse36)) (.cse26 (<= ~a18~0 |old(~a18~0)|)) (.cse9 (= |old(~a12~0)| ~a12~0)) (.cse38 (= ~a12~0 |old(~a12~0)|)) (.cse39 (= 8 ~a16~0)) (.cse0 (= |calculate_output_#in~input| 0)) (.cse7 (= |old(~a15~0)| ~a15~0)) (.cse37 (not (= calculate_output_~input 0))) (.cse8 (= ~a16~0 |old(~a16~0)|)) (.cse40 (let ((.cse41 (= ~a12~0 5))) (or (and (= ~a16~0 8) .cse36 .cse41) (and (= ~a16~0 11) .cse36 .cse41 .cse5)))) (.cse3 (or .cse1 .cse6 .cse4 .cse2)) (.cse10 (= 9 |old(~a16~0)|)) (.cse28 (< 0 (+ |old(~a18~0)| 156))) (.cse29 (<= (+ ~a18~0 156) 0)) (.cse35 (< 0 (+ ~a18~0 79)))) (let ((.cse17 (< |old(~a15~0)| 4)) (.cse24 (not (= 8 |old(~a12~0)|))) (.cse32 (or .cse29 .cse35)) (.cse31 (and (<= (+ |old(~a18~0)| 79) 0) .cse28)) (.cse18 (not .cse10)) (.cse27 (and (or (not (= 8 |old(~a16~0)|)) .cse1 .cse6) .cse3)) (.cse30 (< 134 ~a18~0)) (.cse19 (and .cse38 .cse39 (not .cse0) .cse7 .cse37 .cse8 .cse40)) (.cse16 (not (= 7 |old(~a12~0)|))) (.cse33 (< |old(~a12~0)| 7)) (.cse23 (= 4 |old(~a15~0)|)) (.cse15 (< (+ |old(~a18~0)| 44) 0)) (.cse22 (= 10 |old(~a16~0)|)) (.cse14 (<= 0 (+ ~a18~0 44))) (.cse21 (and .cse26 .cse7 .cse8 .cse9)) (.cse11 (and .cse38 (not (= ~a15~0 4)) .cse25 (<= ~a16~0 8) (or (not (= 5 ~a12~0)) (not .cse39) .cse34) .cse7)) (.cse12 (and .cse38 .cse39 .cse25 .cse40 .cse7)) (.cse13 (< 6 |old(~a12~0)|)) (.cse20 (= 0 |old(~a16~0)|))) (and (or .cse0 (and (or .cse1 (not (= 6 |old(~a12~0)|)) .cse2) .cse3) .cse4 .cse5) (or .cse1 .cse6 .cse0 (and (and .cse7 .cse8) .cse9)) (or .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (or .cse16 .cse14 .cse17 .cse15 .cse18) (or .cse1 .cse6 .cse10 .cse0 .cse19 .cse20 .cse15 .cse14) (or .cse21 .cse11 .cse22 .cse17) (or .cse10 .cse23 .cse15 .cse11 .cse24 .cse14) (or .cse11 .cse24 .cse23 (and .cse7 .cse25 .cse26 .cse9)) (or .cse27 .cse28 (or .cse29 .cse30) .cse0) (or .cse27 .cse31 .cse32 .cse0) (or .cse1 .cse11 .cse16 .cse32 .cse31 .cse22) (or .cse1 .cse16 .cse21 .cse31 .cse18) (or .cse33 .cse11 .cse14 .cse15 (< 8 |old(~a16~0)|)) (or .cse27 (<= |old(~a18~0)| 134) .cse30 .cse0) (or .cse1 .cse6 .cse0 .cse19 .cse20 .cse26) (or .cse33 .cse10 .cse11 .cse22 (and (or (not (= 11 ~a16~0)) (not (= calculate_output_~input 3)) .cse16 .cse34 .cse35) .cse26 .cse7 .cse8 .cse9)) (or (and .cse36 (= 7 ~a12~0) .cse7 (= 9 ~a16~0) .cse9) .cse33 .cse11 .cse23 (and (= 8 ~a12~0) .cse9) .cse15 .cse22 (and .cse14 .cse26 .cse7 .cse8 .cse9)) (or .cse10 .cse21 .cse11 .cse12 .cse13) (or .cse1 .cse6 .cse37 .cse0 .cse20) (or .cse37 (or .cse1 (= 0 |old(~a12~0)|) .cse2 .cse0)))))) [2018-11-23 06:09:28,375 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,375 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-23 06:09:28,375 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,375 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,375 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,375 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,375 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,375 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,375 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,375 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 06:09:28,375 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 06:09:28,375 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,375 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 06:09:28,375 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,375 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,376 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,376 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,376 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,376 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,376 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,376 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,376 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,376 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,376 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,376 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,376 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,376 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,376 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,376 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 06:09:28,376 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,376 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 06:09:28,377 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 06:09:28,377 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,377 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,377 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,377 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,377 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,377 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,377 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,377 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,377 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,377 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,377 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 06:09:28,377 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 06:09:28,377 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,377 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 06:09:28,377 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,377 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,378 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,378 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,378 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,378 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,378 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,378 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,378 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,378 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,378 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,378 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,378 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 06:09:28,378 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,378 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 06:09:28,378 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 06:09:28,378 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,378 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,379 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,379 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,379 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,379 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,379 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,379 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,379 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,379 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,379 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,379 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,379 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 06:09:28,379 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,379 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 06:09:28,379 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,379 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 06:09:28,379 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,380 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,380 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,380 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,380 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,380 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,380 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,380 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,380 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,380 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,380 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,380 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,380 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,380 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 06:09:28,380 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 06:09:28,380 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 06:09:28,380 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,380 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,381 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,381 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,381 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,381 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,381 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,381 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,381 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,381 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,381 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,381 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,381 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 06:09:28,381 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,381 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 06:09:28,381 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 06:09:28,381 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,381 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,381 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,382 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,382 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,382 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,382 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse5 (not (= 3 |old(~a15~0)|))) (.cse20 (not (= 5 |old(~a12~0)|))) (.cse23 (not (= (+ |old(~a18~0)| 87) 0))) (.cse21 (not (= 11 |old(~a16~0)|)))) (let ((.cse1 (= 9 |old(~a16~0)|)) (.cse16 (= |old(~a16~0)| ~a16~0)) (.cse17 (<= ~a18~0 |old(~a18~0)|)) (.cse18 (= |old(~a15~0)| ~a15~0)) (.cse19 (= |old(~a12~0)| ~a12~0)) (.cse22 (or .cse5 .cse20 .cse23 .cse21))) (let ((.cse0 (< 6 |old(~a12~0)|)) (.cse11 (not (= 8 |old(~a12~0)|))) (.cse12 (and (or (not (= 8 |old(~a16~0)|)) .cse5 .cse20) .cse22)) (.cse6 (or (<= (+ ~a18~0 156) 0) (< 0 (+ ~a18~0 79)))) (.cse9 (and (<= (+ |old(~a18~0)| 79) 0) (< 0 (+ |old(~a18~0)| 156)))) (.cse4 (and .cse16 .cse17 .cse18 .cse19)) (.cse10 (= 4 |old(~a15~0)|)) (.cse8 (= 10 |old(~a16~0)|)) (.cse14 (and .cse17 .cse18 (= ~a16~0 |old(~a16~0)|) .cse19)) (.cse7 (not (= 7 |old(~a12~0)|))) (.cse2 (< (+ |old(~a18~0)| 44) 0)) (.cse3 (<= 0 (+ ~a18~0 44))) (.cse15 (not .cse1)) (.cse13 (= |calculate_output_#in~input| 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse10 .cse2 .cse11 .cse3) (or .cse4 .cse8 (< |old(~a15~0)| 4)) (or (< 134 ~a18~0) .cse12 (<= |old(~a18~0)| 134) .cse13) (or .cse10 .cse4 .cse11) (or .cse5 .cse7 .cse14 .cse9 .cse15) (or .cse3 .cse2 (< 8 |old(~a16~0)|)) (or .cse12 .cse6 .cse9 .cse13) (or .cse1 .cse4 .cse8) (or (< |old(~a12~0)| 7) .cse10 .cse2 .cse8 (and .cse3 .cse16 .cse17 .cse18 .cse19)) (or .cse14 .cse5 .cse20 .cse13) (or .cse7 .cse2 .cse3 .cse15) (or (= (+ ~a18~0 87) 0) .cse13 (and (or .cse5 (not (= 6 |old(~a12~0)|)) .cse21) .cse22) .cse23))))) [2018-11-23 06:09:28,382 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,382 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,382 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,382 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,382 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,382 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,382 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,383 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,383 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,383 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 06:09:28,383 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 06:09:28,383 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 06:09:28,383 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,383 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,383 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,383 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,383 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,383 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,383 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,383 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,383 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,383 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,383 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,383 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 06:09:28,384 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,384 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 06:09:28,384 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 06:09:28,384 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,384 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,384 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,384 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,384 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,384 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,384 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,384 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,384 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,384 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,384 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,384 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,384 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 06:09:28,385 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 06:09:28,385 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 06:09:28,385 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,385 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,385 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,385 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,385 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,385 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,385 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,385 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,385 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,385 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,385 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,385 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,385 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 06:09:28,385 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,385 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 06:09:28,386 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 06:09:28,386 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,386 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,386 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,386 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,386 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,386 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,386 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,386 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,386 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,386 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,386 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,386 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,386 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-23 06:09:28,386 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 06:09:28,386 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 06:09:28,387 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,387 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,387 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,387 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,387 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,387 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,387 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,387 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,387 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,387 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,387 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,387 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,387 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,387 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 06:09:28,387 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 06:09:28,387 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,388 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,388 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,388 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 205) no Hoare annotation was computed. [2018-11-23 06:09:28,388 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,388 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,388 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,388 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,388 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,388 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,388 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,388 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 06:09:28,388 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 06:09:28,388 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,388 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,389 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,389 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,389 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,389 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,389 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,389 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,389 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,389 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,389 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,389 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,389 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,389 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,389 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 06:09:28,389 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 06:09:28,389 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,389 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,390 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,390 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,390 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,390 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,390 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,390 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,390 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,390 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,390 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 06:09:28,390 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 06:09:28,390 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,390 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,390 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,390 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,390 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,390 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,390 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,391 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,391 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,391 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,391 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,391 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,391 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,391 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,391 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,391 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 06:09:28,391 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 06:09:28,391 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,391 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,391 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,391 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,391 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,391 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,391 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,392 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,392 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-23 06:09:28,392 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,392 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,392 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,392 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,392 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 06:09:28,392 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 06:09:28,392 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 06:09:28,392 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,392 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,392 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,392 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,392 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,392 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,392 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,392 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,392 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,393 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,393 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,393 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,393 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,393 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,393 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 06:09:28,393 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 06:09:28,393 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 06:09:28,393 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,393 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,393 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,393 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,393 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,393 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,393 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,393 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,393 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,394 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,394 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,394 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,394 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,394 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,394 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,394 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 06:09:28,394 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 06:09:28,394 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 06:09:28,394 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,394 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,394 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,394 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,394 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,394 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,394 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,394 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,394 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:09:28,395 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 06:09:28,395 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 06:09:28,395 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 06:09:28,395 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,395 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,395 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-23 06:09:28,395 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:09:28,395 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-11-23 06:09:28,395 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 06:09:28,395 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:09:28,395 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (= (+ ~a18~0 87) 0) (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= |old(~a12~0)| ~a12~0)) (not (= 11 |old(~a16~0)|))) [2018-11-23 06:09:28,395 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-23 06:09:28,395 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse1 (= ~a15~0 3)) (.cse2 (not (= ~a16~0 9))) (.cse0 (not (= ~a16~0 10)))) (or (and .cse0 .cse1 (= 7 ~a12~0) (or (<= (+ ~a18~0 156) 0) (< 0 (+ ~a18~0 79)))) (and (not (= main_~input~0 0)) .cse1 (= ~a12~0 5)) (not (= 11 |old(~a16~0)|)) (and (= 8 ~a12~0) (not (= ~a15~0 4))) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse2 (<= ~a12~0 6)) (not (= 5 |old(~a12~0)|)) (and .cse0 .cse2) (and (<= 7 ~a12~0) .cse0 (<= 0 (+ ~a18~0 44))) (and .cse0 (<= 4 ~a15~0)))) [2018-11-23 06:09:28,396 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-23 06:09:28,396 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-23 06:09:28,396 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse1 (= ~a15~0 3)) (.cse2 (not (= ~a16~0 9))) (.cse0 (not (= ~a16~0 10)))) (or (and .cse0 .cse1 (= 7 ~a12~0) (or (<= (+ ~a18~0 156) 0) (< 0 (+ ~a18~0 79)))) (not (= 11 |old(~a16~0)|)) (and (= 8 ~a12~0) (not (= ~a15~0 4))) (and .cse1 (= 5 ~a12~0)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse2 (<= ~a12~0 6)) (not (= 5 |old(~a12~0)|)) (and .cse0 .cse2) (and (<= 7 ~a12~0) .cse0 (<= 0 (+ ~a18~0 44))) (and .cse0 (<= 4 ~a15~0)))) [2018-11-23 06:09:28,396 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-11-23 06:09:28,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:09:28 BoogieIcfgContainer [2018-11-23 06:09:28,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 06:09:28,406 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:09:28,406 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:09:28,406 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:09:28,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:04:25" (3/4) ... [2018-11-23 06:09:28,410 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 06:09:28,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 06:09:28,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-23 06:09:28,415 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 06:09:28,415 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 06:09:28,435 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 06:09:28,436 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 06:09:28,460 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(a16 == 10) && a15 == 3) && 7 == a12) && (a18 + 156 <= 0 || 0 < a18 + 79)) || !(11 == \old(a16))) || (8 == a12 && !(a15 == 4))) || (a15 == 3 && 5 == a12)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || (!(a16 == 9) && a12 <= 6)) || !(5 == \old(a12))) || (!(a16 == 10) && !(a16 == 9))) || ((7 <= a12 && !(a16 == 10)) && 0 <= a18 + 44)) || (!(a16 == 10) && 4 <= a15) [2018-11-23 06:09:28,565 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8c5721c2-a572-4049-b404-56f5e4cbeecc/bin-2019/utaipan/witness.graphml [2018-11-23 06:09:28,565 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:09:28,566 INFO L168 Benchmark]: Toolchain (without parser) took 306013.80 ms. Allocated memory was 1.0 GB in the beginning and 5.4 GB in the end (delta: 4.3 GB). Free memory was 954.9 MB in the beginning and 5.0 GB in the end (delta: -4.0 GB). Peak memory consumption was 344.5 MB. Max. memory is 11.5 GB. [2018-11-23 06:09:28,566 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:09:28,567 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.77 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 879.8 MB in the end (delta: 75.2 MB). Peak memory consumption was 75.2 MB. Max. memory is 11.5 GB. [2018-11-23 06:09:28,567 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 879.8 MB in the beginning and 1.1 GB in the end (delta: -250.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-11-23 06:09:28,567 INFO L168 Benchmark]: Boogie Preprocessor took 83.29 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:09:28,568 INFO L168 Benchmark]: RCFGBuilder took 1749.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 875.6 MB in the end (delta: 244.3 MB). Peak memory consumption was 244.3 MB. Max. memory is 11.5 GB. [2018-11-23 06:09:28,568 INFO L168 Benchmark]: TraceAbstraction took 303279.54 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 875.6 MB in the beginning and 5.0 GB in the end (delta: -4.2 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. [2018-11-23 06:09:28,568 INFO L168 Benchmark]: Witness Printer took 158.68 ms. Allocated memory is still 5.4 GB. Free memory was 5.0 GB in the beginning and 5.0 GB in the end (delta: 78.9 MB). Peak memory consumption was 78.9 MB. Max. memory is 11.5 GB. [2018-11-23 06:09:28,569 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 628.77 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 879.8 MB in the end (delta: 75.2 MB). Peak memory consumption was 75.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 110.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 879.8 MB in the beginning and 1.1 GB in the end (delta: -250.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.29 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1749.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 875.6 MB in the end (delta: 244.3 MB). Peak memory consumption was 244.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 303279.54 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 875.6 MB in the beginning and 5.0 GB in the end (delta: -4.2 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. * Witness Printer took 158.68 ms. Allocated memory is still 5.4 GB. Free memory was 5.0 GB in the beginning and 5.0 GB in the end (delta: 78.9 MB). Peak memory consumption was 78.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 205]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1773]: Loop Invariant Derived loop invariant: ((((((((((((!(a16 == 10) && a15 == 3) && 7 == a12) && (a18 + 156 <= 0 || 0 < a18 + 79)) || !(11 == \old(a16))) || (8 == a12 && !(a15 == 4))) || (a15 == 3 && 5 == a12)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || (!(a16 == 9) && a12 <= 6)) || !(5 == \old(a12))) || (!(a16 == 10) && !(a16 == 9))) || ((7 <= a12 && !(a16 == 10)) && 0 <= a18 + 44)) || (!(a16 == 10) && 4 <= a15) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 303.1s OverallTime, 16 OverallIterations, 10 TraceHistogramMax, 263.5s AutomataDifference, 0.0s DeadEndRemovalTime, 8.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 3441 SDtfs, 43616 SDslu, 3961 SDs, 0 SdLazy, 76911 SolverSat, 9392 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 236.8s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 22886 GetRequests, 22539 SyntacticMatches, 28 SemanticMatches, 319 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3410 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16283occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.3s AbstIntTime, 13 AbstIntIterations, 4 AbstIntStrong, 0.9978506599994035 AbsIntWeakeningRatio, 0.06878022568511553 AbsIntAvgWeakeningVarsNumRemoved, 16.150994089199354 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 16 MinimizatonAttempts, 3624 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1180 PreInvPairs, 2823 NumberOfFragments, 2372 HoareAnnotationTreeSize, 1180 FomulaSimplifications, 49182 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 9 FomulaSimplificationsInter, 69957 FormulaSimplificationTreeSizeReductionInter, 6.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 13.0s InterpolantComputationTime, 22888 NumberOfCodeBlocks, 22888 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 33149 ConstructedInterpolants, 0 QuantifiedInterpolants, 80427022 SizeOfPredicates, 9 NumberOfNonLiveVariables, 13483 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 34 InterpolantComputations, 9 PerfectInterpolantSequences, 73835/78329 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...