./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label32_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_37a8ad2d-0323-4f15-9ea1-9b9a28d0cf55/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_37a8ad2d-0323-4f15-9ea1-9b9a28d0cf55/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_37a8ad2d-0323-4f15-9ea1-9b9a28d0cf55/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_37a8ad2d-0323-4f15-9ea1-9b9a28d0cf55/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label32_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_37a8ad2d-0323-4f15-9ea1-9b9a28d0cf55/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_37a8ad2d-0323-4f15-9ea1-9b9a28d0cf55/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 7c969b2b0da4d126f61f6a2cc248b9cb3e53506e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 04:20:35,415 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 04:20:35,416 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 04:20:35,422 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 04:20:35,422 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 04:20:35,423 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 04:20:35,423 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 04:20:35,424 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 04:20:35,425 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 04:20:35,425 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 04:20:35,426 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 04:20:35,426 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 04:20:35,427 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 04:20:35,427 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 04:20:35,428 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 04:20:35,428 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 04:20:35,429 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 04:20:35,430 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 04:20:35,431 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 04:20:35,431 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 04:20:35,432 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 04:20:35,433 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 04:20:35,434 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 04:20:35,434 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 04:20:35,434 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 04:20:35,434 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 04:20:35,435 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 04:20:35,435 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 04:20:35,436 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 04:20:35,436 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 04:20:35,437 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 04:20:35,437 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 04:20:35,437 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 04:20:35,437 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 04:20:35,438 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 04:20:35,438 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 04:20:35,438 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_37a8ad2d-0323-4f15-9ea1-9b9a28d0cf55/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 04:20:35,445 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 04:20:35,446 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 04:20:35,446 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 04:20:35,446 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 04:20:35,446 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 04:20:35,446 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 04:20:35,447 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 04:20:35,447 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 04:20:35,447 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 04:20:35,447 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 04:20:35,447 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 04:20:35,447 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 04:20:35,447 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 04:20:35,448 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 04:20:35,448 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 04:20:35,448 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 04:20:35,448 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 04:20:35,448 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 04:20:35,448 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 04:20:35,448 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 04:20:35,449 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 04:20:35,449 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 04:20:35,449 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 04:20:35,449 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 04:20:35,449 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 04:20:35,449 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 04:20:35,449 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 04:20:35,449 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 04:20:35,450 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 04:20:35,450 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 04:20:35,450 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 04:20:35,450 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 04:20:35,450 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 04:20:35,450 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 04:20:35,450 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 04:20:35,450 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 04:20:35,450 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_37a8ad2d-0323-4f15-9ea1-9b9a28d0cf55/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 -> 7c969b2b0da4d126f61f6a2cc248b9cb3e53506e [2018-12-03 04:20:35,468 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 04:20:35,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 04:20:35,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 04:20:35,481 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 04:20:35,481 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 04:20:35,482 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_37a8ad2d-0323-4f15-9ea1-9b9a28d0cf55/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label32_true-unreach-call.c [2018-12-03 04:20:35,519 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_37a8ad2d-0323-4f15-9ea1-9b9a28d0cf55/bin-2019/utaipan/data/2c8b70660/93d91d0a841b45c7a4bd93e8182f232d/FLAGea50528f1 [2018-12-03 04:20:35,984 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 04:20:35,984 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_37a8ad2d-0323-4f15-9ea1-9b9a28d0cf55/sv-benchmarks/c/eca-rers2012/Problem16_label32_true-unreach-call.c [2018-12-03 04:20:35,994 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_37a8ad2d-0323-4f15-9ea1-9b9a28d0cf55/bin-2019/utaipan/data/2c8b70660/93d91d0a841b45c7a4bd93e8182f232d/FLAGea50528f1 [2018-12-03 04:20:36,003 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_37a8ad2d-0323-4f15-9ea1-9b9a28d0cf55/bin-2019/utaipan/data/2c8b70660/93d91d0a841b45c7a4bd93e8182f232d [2018-12-03 04:20:36,005 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 04:20:36,006 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 04:20:36,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 04:20:36,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 04:20:36,009 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 04:20:36,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:20:36" (1/1) ... [2018-12-03 04:20:36,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bf82b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:36, skipping insertion in model container [2018-12-03 04:20:36,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:20:36" (1/1) ... [2018-12-03 04:20:36,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 04:20:36,052 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 04:20:36,352 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 04:20:36,354 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 04:20:36,529 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 04:20:36,538 INFO L195 MainTranslator]: Completed translation [2018-12-03 04:20:36,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:36 WrapperNode [2018-12-03 04:20:36,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 04:20:36,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 04:20:36,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 04:20:36,540 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 04:20:36,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:36" (1/1) ... [2018-12-03 04:20:36,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:36" (1/1) ... [2018-12-03 04:20:36,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 04:20:36,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 04:20:36,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 04:20:36,564 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 04:20:36,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:36" (1/1) ... [2018-12-03 04:20:36,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:36" (1/1) ... [2018-12-03 04:20:36,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:36" (1/1) ... [2018-12-03 04:20:36,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:36" (1/1) ... [2018-12-03 04:20:36,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:36" (1/1) ... [2018-12-03 04:20:36,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:36" (1/1) ... [2018-12-03 04:20:36,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:36" (1/1) ... [2018-12-03 04:20:36,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 04:20:36,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 04:20:36,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 04:20:36,625 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 04:20:36,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_37a8ad2d-0323-4f15-9ea1-9b9a28d0cf55/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 04:20:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 04:20:36,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 04:20:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-03 04:20:36,658 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-03 04:20:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-03 04:20:36,658 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-03 04:20:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 04:20:36,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 04:20:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 04:20:36,658 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 04:20:37,914 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 04:20:37,914 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 04:20:37,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:20:37 BoogieIcfgContainer [2018-12-03 04:20:37,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 04:20:37,915 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 04:20:37,915 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 04:20:37,918 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 04:20:37,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 04:20:36" (1/3) ... [2018-12-03 04:20:37,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637d269f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 04:20:37, skipping insertion in model container [2018-12-03 04:20:37,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:36" (2/3) ... [2018-12-03 04:20:37,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637d269f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 04:20:37, skipping insertion in model container [2018-12-03 04:20:37,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:20:37" (3/3) ... [2018-12-03 04:20:37,921 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label32_true-unreach-call.c [2018-12-03 04:20:37,929 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 04:20:37,936 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 04:20:37,949 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 04:20:37,977 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 04:20:37,978 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 04:20:37,978 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 04:20:37,978 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 04:20:37,978 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 04:20:37,978 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 04:20:37,978 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 04:20:37,978 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 04:20:37,998 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-03 04:20:38,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-03 04:20:38,003 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:20:38,003 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] [2018-12-03 04:20:38,004 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:20:38,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:20:38,008 INFO L82 PathProgramCache]: Analyzing trace with hash -808797987, now seen corresponding path program 1 times [2018-12-03 04:20:38,009 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:20:38,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:20:38,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:20:38,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:20:38,047 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:20:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:20:38,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:20:38,199 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:20:38,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 04:20:38,200 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:20:38,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 04:20:38,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 04:20:38,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 04:20:38,212 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-12-03 04:20:39,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:20:39,285 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-12-03 04:20:39,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 04:20:39,286 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-12-03 04:20:39,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:20:39,296 INFO L225 Difference]: With dead ends: 1153 [2018-12-03 04:20:39,296 INFO L226 Difference]: Without dead ends: 682 [2018-12-03 04:20:39,300 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 [2018-12-03 04:20:39,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2018-12-03 04:20:39,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2018-12-03 04:20:39,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-12-03 04:20:39,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1184 transitions. [2018-12-03 04:20:39,348 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1184 transitions. Word has length 54 [2018-12-03 04:20:39,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:20:39,348 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 1184 transitions. [2018-12-03 04:20:39,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 04:20:39,349 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1184 transitions. [2018-12-03 04:20:39,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-03 04:20:39,351 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:20:39,351 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:20:39,351 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:20:39,352 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:20:39,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1409214545, now seen corresponding path program 1 times [2018-12-03 04:20:39,352 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:20:39,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:20:39,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:20:39,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:20:39,353 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:20:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:20:39,436 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:20:39,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:20:39,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 04:20:39,437 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:20:39,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 04:20:39,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 04:20:39,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 04:20:39,438 INFO L87 Difference]: Start difference. First operand 682 states and 1184 transitions. Second operand 5 states. [2018-12-03 04:20:40,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:20:40,708 INFO L93 Difference]: Finished difference Result 2066 states and 3624 transitions. [2018-12-03 04:20:40,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 04:20:40,708 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2018-12-03 04:20:40,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:20:40,713 INFO L225 Difference]: With dead ends: 2066 [2018-12-03 04:20:40,713 INFO L226 Difference]: Without dead ends: 1390 [2018-12-03 04:20:40,715 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-03 04:20:40,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1390 states. [2018-12-03 04:20:40,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1390 to 1372. [2018-12-03 04:20:40,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1372 states. [2018-12-03 04:20:40,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 2268 transitions. [2018-12-03 04:20:40,744 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 2268 transitions. Word has length 123 [2018-12-03 04:20:40,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:20:40,745 INFO L480 AbstractCegarLoop]: Abstraction has 1372 states and 2268 transitions. [2018-12-03 04:20:40,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 04:20:40,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 2268 transitions. [2018-12-03 04:20:40,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-03 04:20:40,746 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:20:40,746 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:20:40,747 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:20:40,747 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:20:40,747 INFO L82 PathProgramCache]: Analyzing trace with hash -102275548, now seen corresponding path program 1 times [2018-12-03 04:20:40,747 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:20:40,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:20:40,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:20:40,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:20:40,748 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:20:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:20:40,867 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:20:40,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:20:40,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 04:20:40,868 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:20:40,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 04:20:40,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 04:20:40,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 04:20:40,869 INFO L87 Difference]: Start difference. First operand 1372 states and 2268 transitions. Second operand 6 states. [2018-12-03 04:20:42,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:20:42,132 INFO L93 Difference]: Finished difference Result 3472 states and 5791 transitions. [2018-12-03 04:20:42,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 04:20:42,132 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 152 [2018-12-03 04:20:42,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:20:42,142 INFO L225 Difference]: With dead ends: 3472 [2018-12-03 04:20:42,142 INFO L226 Difference]: Without dead ends: 2106 [2018-12-03 04:20:42,145 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-03 04:20:42,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2106 states. [2018-12-03 04:20:42,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2106 to 2081. [2018-12-03 04:20:42,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2081 states. [2018-12-03 04:20:42,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 3263 transitions. [2018-12-03 04:20:42,193 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 3263 transitions. Word has length 152 [2018-12-03 04:20:42,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:20:42,194 INFO L480 AbstractCegarLoop]: Abstraction has 2081 states and 3263 transitions. [2018-12-03 04:20:42,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 04:20:42,194 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 3263 transitions. [2018-12-03 04:20:42,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-03 04:20:42,196 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:20:42,196 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:20:42,197 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:20:42,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:20:42,197 INFO L82 PathProgramCache]: Analyzing trace with hash 2025156256, now seen corresponding path program 1 times [2018-12-03 04:20:42,197 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:20:42,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:20:42,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:20:42,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:20:42,198 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:20:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:20:42,333 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:20:42,333 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:20:42,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 04:20:42,333 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:20:42,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 04:20:42,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 04:20:42,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 04:20:42,334 INFO L87 Difference]: Start difference. First operand 2081 states and 3263 transitions. Second operand 6 states. [2018-12-03 04:20:43,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:20:43,452 INFO L93 Difference]: Finished difference Result 5241 states and 8253 transitions. [2018-12-03 04:20:43,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 04:20:43,452 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 170 [2018-12-03 04:20:43,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:20:43,465 INFO L225 Difference]: With dead ends: 5241 [2018-12-03 04:20:43,465 INFO L226 Difference]: Without dead ends: 3166 [2018-12-03 04:20:43,470 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-03 04:20:43,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3166 states. [2018-12-03 04:20:43,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3166 to 3140. [2018-12-03 04:20:43,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3140 states. [2018-12-03 04:20:43,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 3140 states and 4128 transitions. [2018-12-03 04:20:43,528 INFO L78 Accepts]: Start accepts. Automaton has 3140 states and 4128 transitions. Word has length 170 [2018-12-03 04:20:43,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:20:43,529 INFO L480 AbstractCegarLoop]: Abstraction has 3140 states and 4128 transitions. [2018-12-03 04:20:43,529 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 04:20:43,529 INFO L276 IsEmpty]: Start isEmpty. Operand 3140 states and 4128 transitions. [2018-12-03 04:20:43,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-12-03 04:20:43,532 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:20:43,532 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:20:43,532 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:20:43,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:20:43,532 INFO L82 PathProgramCache]: Analyzing trace with hash -925564779, now seen corresponding path program 1 times [2018-12-03 04:20:43,533 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:20:43,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:20:43,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:20:43,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:20:43,534 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:20:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:20:43,618 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 113 proven. 46 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-03 04:20:43,618 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:20:43,618 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 04:20:43,619 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 253 with the following transitions: [2018-12-03 04:20:43,620 INFO L205 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], [519], [521], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [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], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-03 04:20:43,647 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 04:20:43,647 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 04:20:43,892 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 04:20:43,893 INFO L272 AbstractInterpreter]: Visited 134 different actions 134 times. Never merged. Never widened. Performed 1259 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1259 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-03 04:20:43,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:20:43,900 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 04:20:44,196 INFO L227 lantSequenceWeakener]: Weakened 243 states. On average, predicates are now at 77.95% of their original sizes. [2018-12-03 04:20:44,196 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 04:20:44,216 INFO L418 sIntCurrentIteration]: We unified 251 AI predicates to 251 [2018-12-03 04:20:44,216 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 04:20:44,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 04:20:44,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-12-03 04:20:44,217 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:20:44,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 04:20:44,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 04:20:44,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 04:20:44,218 INFO L87 Difference]: Start difference. First operand 3140 states and 4128 transitions. Second operand 6 states. [2018-12-03 04:21:14,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:21:14,298 INFO L93 Difference]: Finished difference Result 6612 states and 8630 transitions. [2018-12-03 04:21:14,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 04:21:14,299 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 252 [2018-12-03 04:21:14,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:21:14,305 INFO L225 Difference]: With dead ends: 6612 [2018-12-03 04:21:14,305 INFO L226 Difference]: Without dead ends: 3478 [2018-12-03 04:21:14,308 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 252 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-03 04:21:14,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3478 states. [2018-12-03 04:21:14,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3478 to 3477. [2018-12-03 04:21:14,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3477 states. [2018-12-03 04:21:14,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 3477 states and 4473 transitions. [2018-12-03 04:21:14,353 INFO L78 Accepts]: Start accepts. Automaton has 3477 states and 4473 transitions. Word has length 252 [2018-12-03 04:21:14,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:21:14,353 INFO L480 AbstractCegarLoop]: Abstraction has 3477 states and 4473 transitions. [2018-12-03 04:21:14,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 04:21:14,353 INFO L276 IsEmpty]: Start isEmpty. Operand 3477 states and 4473 transitions. [2018-12-03 04:21:14,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-03 04:21:14,356 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:21:14,356 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:21:14,357 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:21:14,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:21:14,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1604704637, now seen corresponding path program 1 times [2018-12-03 04:21:14,357 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:21:14,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:21:14,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:21:14,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:21:14,358 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:21:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:21:14,524 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 211 proven. 115 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-03 04:21:14,524 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:21:14,525 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 04:21:14,525 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 344 with the following transitions: [2018-12-03 04:21:14,525 INFO L205 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], [519], [521], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [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], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-03 04:21:14,528 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 04:21:14,528 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 04:21:14,713 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 04:21:14,713 INFO L272 AbstractInterpreter]: Visited 138 different actions 401 times. Merged at 4 different actions 7 times. Never widened. Performed 4096 root evaluator evaluations with a maximum evaluation depth of 7. Performed 4096 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-03 04:21:14,715 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:21:14,715 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 04:21:14,930 INFO L227 lantSequenceWeakener]: Weakened 340 states. On average, predicates are now at 80.52% of their original sizes. [2018-12-03 04:21:14,930 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 04:21:14,960 INFO L418 sIntCurrentIteration]: We unified 342 AI predicates to 342 [2018-12-03 04:21:14,960 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 04:21:14,960 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 04:21:14,960 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-03 04:21:14,960 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:21:14,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 04:21:14,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 04:21:14,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 04:21:14,961 INFO L87 Difference]: Start difference. First operand 3477 states and 4473 transitions. Second operand 10 states. [2018-12-03 04:22:41,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:22:41,940 INFO L93 Difference]: Finished difference Result 7683 states and 9934 transitions. [2018-12-03 04:22:41,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-03 04:22:41,940 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 343 [2018-12-03 04:22:41,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:22:41,952 INFO L225 Difference]: With dead ends: 7683 [2018-12-03 04:22:41,952 INFO L226 Difference]: Without dead ends: 4549 [2018-12-03 04:22:41,958 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 352 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-03 04:22:41,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4549 states. [2018-12-03 04:22:42,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4549 to 4518. [2018-12-03 04:22:42,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4518 states. [2018-12-03 04:22:42,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 5629 transitions. [2018-12-03 04:22:42,033 INFO L78 Accepts]: Start accepts. Automaton has 4518 states and 5629 transitions. Word has length 343 [2018-12-03 04:22:42,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:22:42,033 INFO L480 AbstractCegarLoop]: Abstraction has 4518 states and 5629 transitions. [2018-12-03 04:22:42,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 04:22:42,033 INFO L276 IsEmpty]: Start isEmpty. Operand 4518 states and 5629 transitions. [2018-12-03 04:22:42,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2018-12-03 04:22:42,039 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:22:42,039 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:22:42,039 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:22:42,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:22:42,039 INFO L82 PathProgramCache]: Analyzing trace with hash -2088893675, now seen corresponding path program 1 times [2018-12-03 04:22:42,039 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:22:42,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:22:42,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:22:42,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:22:42,040 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:22:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:22:42,199 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 232 proven. 46 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-12-03 04:22:42,199 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:22:42,199 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 04:22:42,200 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 492 with the following transitions: [2018-12-03 04:22:42,200 INFO L205 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], [519], [521], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [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], [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], [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] [2018-12-03 04:22:42,203 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 04:22:42,203 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 04:22:42,484 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 04:22:42,484 INFO L272 AbstractInterpreter]: Visited 249 different actions 739 times. Merged at 7 different actions 14 times. Never widened. Performed 8346 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8346 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-03 04:22:42,488 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:22:42,489 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 04:22:42,489 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:22:42,489 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_37a8ad2d-0323-4f15-9ea1-9b9a28d0cf55/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 04:22:42,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:22:42,496 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 04:22:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:22:42,580 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:22:42,672 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-03 04:22:42,672 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 04:22:42,781 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-03 04:22:42,797 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-03 04:22:42,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-12-03 04:22:42,798 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:22:42,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 04:22:42,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 04:22:42,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-03 04:22:42,798 INFO L87 Difference]: Start difference. First operand 4518 states and 5629 transitions. Second operand 3 states. [2018-12-03 04:22:43,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:22:43,523 INFO L93 Difference]: Finished difference Result 8693 states and 10913 transitions. [2018-12-03 04:22:43,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 04:22:43,524 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 491 [2018-12-03 04:22:43,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:22:43,531 INFO L225 Difference]: With dead ends: 8693 [2018-12-03 04:22:43,531 INFO L226 Difference]: Without dead ends: 4518 [2018-12-03 04:22:43,534 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 988 GetRequests, 983 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-03 04:22:43,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4518 states. [2018-12-03 04:22:43,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4518 to 4518. [2018-12-03 04:22:43,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4518 states. [2018-12-03 04:22:43,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 5478 transitions. [2018-12-03 04:22:43,576 INFO L78 Accepts]: Start accepts. Automaton has 4518 states and 5478 transitions. Word has length 491 [2018-12-03 04:22:43,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:22:43,577 INFO L480 AbstractCegarLoop]: Abstraction has 4518 states and 5478 transitions. [2018-12-03 04:22:43,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 04:22:43,577 INFO L276 IsEmpty]: Start isEmpty. Operand 4518 states and 5478 transitions. [2018-12-03 04:22:43,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2018-12-03 04:22:43,583 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:22:43,584 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-03 04:22:43,584 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:22:43,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:22:43,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1104449027, now seen corresponding path program 1 times [2018-12-03 04:22:43,584 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:22:43,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:22:43,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:22:43,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:22:43,585 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:22:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:22:44,157 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 70 proven. 243 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-03 04:22:44,157 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:22:44,158 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 04:22:44,158 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 517 with the following transitions: [2018-12-03 04:22:44,158 INFO L205 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], [519], [521], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [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], [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], [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] [2018-12-03 04:22:44,160 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 04:22:44,161 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 04:22:44,386 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 04:22:44,386 INFO L272 AbstractInterpreter]: Visited 247 different actions 734 times. Merged at 6 different actions 13 times. Never widened. Performed 8235 root evaluator evaluations with a maximum evaluation depth of 8. Performed 8235 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-03 04:22:44,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:22:44,387 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 04:22:44,643 INFO L227 lantSequenceWeakener]: Weakened 513 states. On average, predicates are now at 80.33% of their original sizes. [2018-12-03 04:22:44,643 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 04:22:44,681 INFO L418 sIntCurrentIteration]: We unified 515 AI predicates to 515 [2018-12-03 04:22:44,681 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 04:22:44,681 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 04:22:44,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2018-12-03 04:22:44,682 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:22:44,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 04:22:44,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 04:22:44,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-03 04:22:44,682 INFO L87 Difference]: Start difference. First operand 4518 states and 5478 transitions. Second operand 9 states. [2018-12-03 04:23:14,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:23:14,450 INFO L93 Difference]: Finished difference Result 5892 states and 7034 transitions. [2018-12-03 04:23:14,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-03 04:23:14,450 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 516 [2018-12-03 04:23:14,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:23:14,458 INFO L225 Difference]: With dead ends: 5892 [2018-12-03 04:23:14,458 INFO L226 Difference]: Without dead ends: 5890 [2018-12-03 04:23:14,459 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 522 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-03 04:23:14,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5890 states. [2018-12-03 04:23:14,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5890 to 5879. [2018-12-03 04:23:14,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5879 states. [2018-12-03 04:23:14,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5879 states to 5879 states and 7021 transitions. [2018-12-03 04:23:14,506 INFO L78 Accepts]: Start accepts. Automaton has 5879 states and 7021 transitions. Word has length 516 [2018-12-03 04:23:14,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:23:14,506 INFO L480 AbstractCegarLoop]: Abstraction has 5879 states and 7021 transitions. [2018-12-03 04:23:14,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 04:23:14,506 INFO L276 IsEmpty]: Start isEmpty. Operand 5879 states and 7021 transitions. [2018-12-03 04:23:14,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2018-12-03 04:23:14,516 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:23:14,517 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-12-03 04:23:14,517 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:23:14,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:23:14,517 INFO L82 PathProgramCache]: Analyzing trace with hash -2055273060, now seen corresponding path program 1 times [2018-12-03 04:23:14,517 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:23:14,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:23:14,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:23:14,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:23:14,518 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:23:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:23:14,747 INFO L134 CoverageAnalysis]: Checked inductivity of 894 backedges. 427 proven. 115 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-12-03 04:23:14,747 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:23:14,747 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 04:23:14,748 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 654 with the following transitions: [2018-12-03 04:23:14,748 INFO L205 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], [519], [521], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [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], [856], [857], [860], [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], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-03 04:23:14,750 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 04:23:14,750 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 04:23:15,130 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 04:23:15,130 INFO L272 AbstractInterpreter]: Visited 250 different actions 998 times. Merged at 8 different actions 30 times. Widened at 1 different actions 1 times. Performed 11690 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11690 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-03 04:23:15,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:23:15,132 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 04:23:15,132 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:23:15,132 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_37a8ad2d-0323-4f15-9ea1-9b9a28d0cf55/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 04:23:15,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:23:15,138 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 04:23:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:23:15,217 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:23:15,348 INFO L134 CoverageAnalysis]: Checked inductivity of 894 backedges. 718 proven. 2 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2018-12-03 04:23:15,349 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 04:23:15,531 INFO L134 CoverageAnalysis]: Checked inductivity of 894 backedges. 427 proven. 115 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-12-03 04:23:15,546 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 04:23:15,546 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-03 04:23:15,546 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 04:23:15,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 04:23:15,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 04:23:15,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-03 04:23:15,547 INFO L87 Difference]: Start difference. First operand 5879 states and 7021 transitions. Second operand 9 states. [2018-12-03 04:23:18,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:23:18,999 INFO L93 Difference]: Finished difference Result 13972 states and 17412 transitions. [2018-12-03 04:23:18,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-03 04:23:18,999 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 653 [2018-12-03 04:23:18,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:23:19,013 INFO L225 Difference]: With dead ends: 13972 [2018-12-03 04:23:19,013 INFO L226 Difference]: Without dead ends: 8436 [2018-12-03 04:23:19,017 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1327 GetRequests, 1309 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-12-03 04:23:19,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8436 states. [2018-12-03 04:23:19,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8436 to 8412. [2018-12-03 04:23:19,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8412 states. [2018-12-03 04:23:19,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8412 states to 8412 states and 10171 transitions. [2018-12-03 04:23:19,094 INFO L78 Accepts]: Start accepts. Automaton has 8412 states and 10171 transitions. Word has length 653 [2018-12-03 04:23:19,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:23:19,094 INFO L480 AbstractCegarLoop]: Abstraction has 8412 states and 10171 transitions. [2018-12-03 04:23:19,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 04:23:19,094 INFO L276 IsEmpty]: Start isEmpty. Operand 8412 states and 10171 transitions. [2018-12-03 04:23:19,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 898 [2018-12-03 04:23:19,111 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:23:19,111 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:23:19,111 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:23:19,111 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:23:19,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1938784575, now seen corresponding path program 1 times [2018-12-03 04:23:19,112 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:23:19,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:23:19,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:23:19,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:23:19,112 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:23:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:23:20,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1464 backedges. 484 proven. 688 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2018-12-03 04:23:20,348 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:23:20,348 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 04:23:20,348 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 898 with the following transitions: [2018-12-03 04:23:20,348 INFO L205 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], [519], [521], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [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], [837], [841], [845], [849], [853], [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], [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], [1269], [1273], [1277], [1281], [1285], [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], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-03 04:23:20,351 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 04:23:20,351 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 04:23:20,494 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 04:23:20,494 INFO L272 AbstractInterpreter]: Visited 260 different actions 514 times. Merged at 4 different actions 4 times. Never widened. Performed 5483 root evaluator evaluations with a maximum evaluation depth of 9. Performed 5483 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-03 04:23:20,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:23:20,495 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 04:23:20,873 INFO L227 lantSequenceWeakener]: Weakened 894 states. On average, predicates are now at 77.5% of their original sizes. [2018-12-03 04:23:20,874 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 04:23:20,917 INFO L418 sIntCurrentIteration]: We unified 896 AI predicates to 896 [2018-12-03 04:23:20,917 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 04:23:20,917 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 04:23:20,917 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-12-03 04:23:20,917 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:23:20,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 04:23:20,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 04:23:20,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 04:23:20,918 INFO L87 Difference]: Start difference. First operand 8412 states and 10171 transitions. Second operand 10 states. [2018-12-03 04:23:50,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:23:50,824 INFO L93 Difference]: Finished difference Result 16822 states and 20382 transitions. [2018-12-03 04:23:50,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-03 04:23:50,824 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 897 [2018-12-03 04:23:50,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:23:50,836 INFO L225 Difference]: With dead ends: 16822 [2018-12-03 04:23:50,836 INFO L226 Difference]: Without dead ends: 8753 [2018-12-03 04:23:50,844 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 904 GetRequests, 888 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-03 04:23:50,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8753 states. [2018-12-03 04:23:50,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8753 to 8751. [2018-12-03 04:23:50,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8751 states. [2018-12-03 04:23:50,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8751 states to 8751 states and 10527 transitions. [2018-12-03 04:23:50,929 INFO L78 Accepts]: Start accepts. Automaton has 8751 states and 10527 transitions. Word has length 897 [2018-12-03 04:23:50,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:23:50,930 INFO L480 AbstractCegarLoop]: Abstraction has 8751 states and 10527 transitions. [2018-12-03 04:23:50,930 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 04:23:50,930 INFO L276 IsEmpty]: Start isEmpty. Operand 8751 states and 10527 transitions. [2018-12-03 04:23:50,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 906 [2018-12-03 04:23:50,938 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:23:50,938 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:23:50,938 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:23:50,939 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:23:50,939 INFO L82 PathProgramCache]: Analyzing trace with hash 635909295, now seen corresponding path program 1 times [2018-12-03 04:23:50,939 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:23:50,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:23:50,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:23:50,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:23:50,940 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:23:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:23:51,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1472 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2018-12-03 04:23:51,252 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:23:51,252 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 04:23:51,252 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:23:51,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 04:23:51,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 04:23:51,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 04:23:51,253 INFO L87 Difference]: Start difference. First operand 8751 states and 10527 transitions. Second operand 3 states. [2018-12-03 04:23:52,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:23:52,832 INFO L93 Difference]: Finished difference Result 21995 states and 27424 transitions. [2018-12-03 04:23:52,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 04:23:52,832 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 905 [2018-12-03 04:23:52,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:23:52,852 INFO L225 Difference]: With dead ends: 21995 [2018-12-03 04:23:52,852 INFO L226 Difference]: Without dead ends: 13528 [2018-12-03 04:23:52,865 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 04:23:52,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13528 states. [2018-12-03 04:23:52,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13528 to 13528. [2018-12-03 04:23:52,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13528 states. [2018-12-03 04:23:52,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13528 states to 13528 states and 15153 transitions. [2018-12-03 04:23:52,987 INFO L78 Accepts]: Start accepts. Automaton has 13528 states and 15153 transitions. Word has length 905 [2018-12-03 04:23:52,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:23:52,988 INFO L480 AbstractCegarLoop]: Abstraction has 13528 states and 15153 transitions. [2018-12-03 04:23:52,988 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 04:23:52,988 INFO L276 IsEmpty]: Start isEmpty. Operand 13528 states and 15153 transitions. [2018-12-03 04:23:52,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 990 [2018-12-03 04:23:53,000 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:23:53,000 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:23:53,000 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:23:53,000 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:23:53,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1703869015, now seen corresponding path program 1 times [2018-12-03 04:23:53,000 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:23:53,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:23:53,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:23:53,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:23:53,001 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:23:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:23:53,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1603 backedges. 923 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-12-03 04:23:53,542 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:23:53,542 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 04:23:53,542 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 990 with the following transitions: [2018-12-03 04:23:53,542 INFO L205 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], [519], [521], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [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], [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], [1385], [1389], [1392], [1393], [1397], [1401], [1405], [1409], [1412], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-03 04:23:53,544 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 04:23:53,544 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 04:23:53,772 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 04:23:53,773 INFO L272 AbstractInterpreter]: Visited 265 different actions 782 times. Merged at 4 different actions 7 times. Never widened. Performed 9187 root evaluator evaluations with a maximum evaluation depth of 9. Performed 9187 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-03 04:23:53,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:23:53,776 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 04:23:54,222 INFO L227 lantSequenceWeakener]: Weakened 986 states. On average, predicates are now at 80.19% of their original sizes. [2018-12-03 04:23:54,222 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 04:23:54,258 INFO L418 sIntCurrentIteration]: We unified 988 AI predicates to 988 [2018-12-03 04:23:54,258 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 04:23:54,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 04:23:54,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-12-03 04:23:54,259 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:23:54,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 04:23:54,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 04:23:54,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-03 04:23:54,260 INFO L87 Difference]: Start difference. First operand 13528 states and 15153 transitions. Second operand 9 states. [2018-12-03 04:24:07,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:24:07,886 INFO L93 Difference]: Finished difference Result 26383 states and 29623 transitions. [2018-12-03 04:24:07,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-03 04:24:07,886 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 989 [2018-12-03 04:24:07,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:24:07,903 INFO L225 Difference]: With dead ends: 26383 [2018-12-03 04:24:07,903 INFO L226 Difference]: Without dead ends: 13537 [2018-12-03 04:24:07,917 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 995 GetRequests, 981 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-03 04:24:07,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13537 states. [2018-12-03 04:24:08,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13537 to 13530. [2018-12-03 04:24:08,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13530 states. [2018-12-03 04:24:08,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13530 states to 13530 states and 15152 transitions. [2018-12-03 04:24:08,035 INFO L78 Accepts]: Start accepts. Automaton has 13530 states and 15152 transitions. Word has length 989 [2018-12-03 04:24:08,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:24:08,035 INFO L480 AbstractCegarLoop]: Abstraction has 13530 states and 15152 transitions. [2018-12-03 04:24:08,035 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 04:24:08,035 INFO L276 IsEmpty]: Start isEmpty. Operand 13530 states and 15152 transitions. [2018-12-03 04:24:08,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1085 [2018-12-03 04:24:08,047 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:24:08,048 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:24:08,048 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:24:08,048 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:24:08,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1404878441, now seen corresponding path program 1 times [2018-12-03 04:24:08,048 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:24:08,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:24:08,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:24:08,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:24:08,049 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:24:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:24:08,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2164 backedges. 1068 proven. 2 refuted. 0 times theorem prover too weak. 1094 trivial. 0 not checked. [2018-12-03 04:24:08,745 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:24:08,745 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 04:24:08,746 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1085 with the following transitions: [2018-12-03 04:24:08,746 INFO L205 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], [519], [521], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [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], [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], [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], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-03 04:24:08,748 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 04:24:08,748 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 04:24:09,171 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 04:24:09,172 INFO L272 AbstractInterpreter]: Visited 267 different actions 1074 times. Merged at 9 different actions 38 times. Widened at 1 different actions 1 times. Performed 12769 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12769 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-03 04:24:09,173 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:24:09,173 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 04:24:09,173 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:24:09,173 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_37a8ad2d-0323-4f15-9ea1-9b9a28d0cf55/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 04:24:09,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:24:09,179 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 04:24:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:24:09,292 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:24:09,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2164 backedges. 1068 proven. 2 refuted. 0 times theorem prover too weak. 1094 trivial. 0 not checked. [2018-12-03 04:24:09,613 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 04:24:10,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2164 backedges. 1068 proven. 2 refuted. 0 times theorem prover too weak. 1094 trivial. 0 not checked. [2018-12-03 04:24:10,159 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 04:24:10,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-03 04:24:10,159 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 04:24:10,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 04:24:10,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 04:24:10,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-03 04:24:10,160 INFO L87 Difference]: Start difference. First operand 13530 states and 15152 transitions. Second operand 9 states. [2018-12-03 04:24:11,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:24:11,968 INFO L93 Difference]: Finished difference Result 32953 states and 37705 transitions. [2018-12-03 04:24:11,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-03 04:24:11,968 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1084 [2018-12-03 04:24:11,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:24:11,994 INFO L225 Difference]: With dead ends: 32953 [2018-12-03 04:24:11,994 INFO L226 Difference]: Without dead ends: 17319 [2018-12-03 04:24:12,013 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2183 GetRequests, 2168 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2018-12-03 04:24:12,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17319 states. [2018-12-03 04:24:12,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17319 to 17247. [2018-12-03 04:24:12,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17247 states. [2018-12-03 04:24:12,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17247 states to 17247 states and 18953 transitions. [2018-12-03 04:24:12,169 INFO L78 Accepts]: Start accepts. Automaton has 17247 states and 18953 transitions. Word has length 1084 [2018-12-03 04:24:12,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:24:12,169 INFO L480 AbstractCegarLoop]: Abstraction has 17247 states and 18953 transitions. [2018-12-03 04:24:12,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 04:24:12,169 INFO L276 IsEmpty]: Start isEmpty. Operand 17247 states and 18953 transitions. [2018-12-03 04:24:12,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1366 [2018-12-03 04:24:12,191 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:24:12,191 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:24:12,192 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:24:12,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:24:12,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1674528944, now seen corresponding path program 1 times [2018-12-03 04:24:12,192 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:24:12,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:24:12,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:24:12,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:24:12,193 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:24:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:24:13,061 INFO L134 CoverageAnalysis]: Checked inductivity of 3106 backedges. 1330 proven. 2 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-12-03 04:24:13,061 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:24:13,062 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 04:24:13,062 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1366 with the following transitions: [2018-12-03 04:24:13,062 INFO L205 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], [519], [521], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [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], [1404], [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] [2018-12-03 04:24:13,064 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 04:24:13,064 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 04:24:13,831 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 04:24:13,831 INFO L272 AbstractInterpreter]: Visited 286 different actions 1143 times. Merged at 8 different actions 31 times. Never widened. Performed 13772 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13772 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-03 04:24:13,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:24:13,833 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 04:24:13,833 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:24:13,833 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_37a8ad2d-0323-4f15-9ea1-9b9a28d0cf55/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 04:24:13,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:24:13,839 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 04:24:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:24:13,974 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:24:14,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3106 backedges. 1330 proven. 2 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-12-03 04:24:14,448 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 04:24:15,116 INFO L134 CoverageAnalysis]: Checked inductivity of 3106 backedges. 1330 proven. 2 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-12-03 04:24:15,131 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 04:24:15,131 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-03 04:24:15,131 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 04:24:15,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 04:24:15,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 04:24:15,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-03 04:24:15,132 INFO L87 Difference]: Start difference. First operand 17247 states and 18953 transitions. Second operand 9 states. [2018-12-03 04:24:17,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:24:17,488 INFO L93 Difference]: Finished difference Result 34001 states and 38217 transitions. [2018-12-03 04:24:17,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-03 04:24:17,489 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1365 [2018-12-03 04:24:17,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:24:17,523 INFO L225 Difference]: With dead ends: 34001 [2018-12-03 04:24:17,524 INFO L226 Difference]: Without dead ends: 17721 [2018-12-03 04:24:17,543 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2757 GetRequests, 2735 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-12-03 04:24:17,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17721 states. [2018-12-03 04:24:17,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17721 to 16883. [2018-12-03 04:24:17,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16883 states. [2018-12-03 04:24:17,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16883 states to 16883 states and 18277 transitions. [2018-12-03 04:24:17,707 INFO L78 Accepts]: Start accepts. Automaton has 16883 states and 18277 transitions. Word has length 1365 [2018-12-03 04:24:17,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:24:17,708 INFO L480 AbstractCegarLoop]: Abstraction has 16883 states and 18277 transitions. [2018-12-03 04:24:17,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 04:24:17,708 INFO L276 IsEmpty]: Start isEmpty. Operand 16883 states and 18277 transitions. [2018-12-03 04:24:17,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1368 [2018-12-03 04:24:17,725 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:24:17,725 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, 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, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:24:17,725 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:24:17,725 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:24:17,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1183347788, now seen corresponding path program 1 times [2018-12-03 04:24:17,726 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:24:17,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:24:17,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:24:17,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:24:17,726 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:24:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:24:19,038 INFO L134 CoverageAnalysis]: Checked inductivity of 3108 backedges. 1742 proven. 651 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2018-12-03 04:24:19,038 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:24:19,039 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 04:24:19,039 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1368 with the following transitions: [2018-12-03 04:24:19,039 INFO L205 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], [519], [521], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [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], [1412], [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] [2018-12-03 04:24:19,041 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 04:24:19,041 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 04:24:19,784 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 04:24:19,784 INFO L272 AbstractInterpreter]: Visited 286 different actions 1144 times. Merged at 8 different actions 32 times. Never widened. Performed 13810 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13810 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-03 04:24:19,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:24:19,785 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 04:24:19,785 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:24:19,785 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_37a8ad2d-0323-4f15-9ea1-9b9a28d0cf55/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 04:24:19,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:24:19,792 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 04:24:19,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:24:19,929 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:24:20,360 INFO L134 CoverageAnalysis]: Checked inductivity of 3108 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 2811 trivial. 0 not checked. [2018-12-03 04:24:20,360 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 04:24:20,800 INFO L134 CoverageAnalysis]: Checked inductivity of 3108 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 2811 trivial. 0 not checked. [2018-12-03 04:24:20,816 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-03 04:24:20,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-03 04:24:20,816 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:24:20,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 04:24:20,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 04:24:20,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-03 04:24:20,817 INFO L87 Difference]: Start difference. First operand 16883 states and 18277 transitions. Second operand 3 states. [2018-12-03 04:24:21,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:24:21,389 INFO L93 Difference]: Finished difference Result 30725 states and 33395 transitions. [2018-12-03 04:24:21,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 04:24:21,389 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1367 [2018-12-03 04:24:21,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:24:21,412 INFO L225 Difference]: With dead ends: 30725 [2018-12-03 04:24:21,412 INFO L226 Difference]: Without dead ends: 16883 [2018-12-03 04:24:21,427 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2748 GetRequests, 2736 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-03 04:24:21,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16883 states. [2018-12-03 04:24:21,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16883 to 16883. [2018-12-03 04:24:21,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16883 states. [2018-12-03 04:24:21,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16883 states to 16883 states and 18186 transitions. [2018-12-03 04:24:21,579 INFO L78 Accepts]: Start accepts. Automaton has 16883 states and 18186 transitions. Word has length 1367 [2018-12-03 04:24:21,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:24:21,580 INFO L480 AbstractCegarLoop]: Abstraction has 16883 states and 18186 transitions. [2018-12-03 04:24:21,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 04:24:21,580 INFO L276 IsEmpty]: Start isEmpty. Operand 16883 states and 18186 transitions. [2018-12-03 04:24:21,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1409 [2018-12-03 04:24:21,597 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:24:21,598 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:24:21,598 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:24:21,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:24:21,599 INFO L82 PathProgramCache]: Analyzing trace with hash 629925197, now seen corresponding path program 1 times [2018-12-03 04:24:21,599 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:24:21,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:24:21,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:24:21,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:24:21,600 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:24:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:24:22,219 INFO L134 CoverageAnalysis]: Checked inductivity of 3127 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 2830 trivial. 0 not checked. [2018-12-03 04:24:22,219 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:24:22,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 04:24:22,219 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:24:22,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 04:24:22,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 04:24:22,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-03 04:24:22,220 INFO L87 Difference]: Start difference. First operand 16883 states and 18186 transitions. Second operand 4 states. [2018-12-03 04:24:23,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:24:23,167 INFO L93 Difference]: Finished difference Result 28317 states and 30646 transitions. [2018-12-03 04:24:23,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 04:24:23,167 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1408 [2018-12-03 04:24:23,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:24:23,186 INFO L225 Difference]: With dead ends: 28317 [2018-12-03 04:24:23,187 INFO L226 Difference]: Without dead ends: 13089 [2018-12-03 04:24:23,204 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-03 04:24:23,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13089 states. [2018-12-03 04:24:23,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13089 to 13089. [2018-12-03 04:24:23,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13089 states. [2018-12-03 04:24:23,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13089 states to 13089 states and 13903 transitions. [2018-12-03 04:24:23,322 INFO L78 Accepts]: Start accepts. Automaton has 13089 states and 13903 transitions. Word has length 1408 [2018-12-03 04:24:23,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:24:23,323 INFO L480 AbstractCegarLoop]: Abstraction has 13089 states and 13903 transitions. [2018-12-03 04:24:23,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 04:24:23,323 INFO L276 IsEmpty]: Start isEmpty. Operand 13089 states and 13903 transitions. [2018-12-03 04:24:23,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1541 [2018-12-03 04:24:23,344 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:24:23,344 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, 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, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:24:23,344 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:24:23,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:24:23,345 INFO L82 PathProgramCache]: Analyzing trace with hash 823167474, now seen corresponding path program 1 times [2018-12-03 04:24:23,345 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:24:23,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:24:23,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:24:23,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:24:23,345 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:24:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:24:24,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4149 backedges. 1336 proven. 2 refuted. 0 times theorem prover too weak. 2811 trivial. 0 not checked. [2018-12-03 04:24:24,254 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:24:24,254 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 04:24:24,254 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1541 with the following transitions: [2018-12-03 04:24:24,254 INFO L205 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], [519], [521], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [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], [1088], [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], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-03 04:24:24,257 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 04:24:24,257 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 04:24:25,019 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 04:24:25,019 INFO L272 AbstractInterpreter]: Visited 287 different actions 1146 times. Merged at 9 different actions 30 times. Widened at 1 different actions 1 times. Performed 13840 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13840 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 12 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-03 04:24:25,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:24:25,020 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 04:24:25,020 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:24:25,020 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_37a8ad2d-0323-4f15-9ea1-9b9a28d0cf55/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 04:24:25,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:24:25,026 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 04:24:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:24:25,194 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:24:25,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4149 backedges. 1336 proven. 2 refuted. 0 times theorem prover too weak. 2811 trivial. 0 not checked. [2018-12-03 04:24:25,767 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 04:24:26,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4149 backedges. 1336 proven. 2 refuted. 0 times theorem prover too weak. 2811 trivial. 0 not checked. [2018-12-03 04:24:26,515 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 04:24:26,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-03 04:24:26,516 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 04:24:26,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 04:24:26,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 04:24:26,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-03 04:24:26,517 INFO L87 Difference]: Start difference. First operand 13089 states and 13903 transitions. Second operand 9 states. [2018-12-03 04:24:27,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:24:27,757 INFO L93 Difference]: Finished difference Result 25063 states and 26460 transitions. [2018-12-03 04:24:27,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-03 04:24:27,758 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1540 [2018-12-03 04:24:27,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:24:27,772 INFO L225 Difference]: With dead ends: 25063 [2018-12-03 04:24:27,772 INFO L226 Difference]: Without dead ends: 12656 [2018-12-03 04:24:27,784 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3097 GetRequests, 3081 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-12-03 04:24:27,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12656 states. [2018-12-03 04:24:27,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12656 to 12630. [2018-12-03 04:24:27,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12630 states. [2018-12-03 04:24:27,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12630 states to 12630 states and 13055 transitions. [2018-12-03 04:24:27,880 INFO L78 Accepts]: Start accepts. Automaton has 12630 states and 13055 transitions. Word has length 1540 [2018-12-03 04:24:27,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:24:27,881 INFO L480 AbstractCegarLoop]: Abstraction has 12630 states and 13055 transitions. [2018-12-03 04:24:27,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 04:24:27,881 INFO L276 IsEmpty]: Start isEmpty. Operand 12630 states and 13055 transitions. [2018-12-03 04:24:27,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1706 [2018-12-03 04:24:27,899 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:24:27,899 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, 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, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:24:27,899 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:24:27,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:24:27,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1349316220, now seen corresponding path program 1 times [2018-12-03 04:24:27,900 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:24:27,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:24:27,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:24:27,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:24:27,900 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:24:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:24:30,016 INFO L134 CoverageAnalysis]: Checked inductivity of 5315 backedges. 3094 proven. 731 refuted. 0 times theorem prover too weak. 1490 trivial. 0 not checked. [2018-12-03 04:24:30,016 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:24:30,016 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 04:24:30,016 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1706 with the following transitions: [2018-12-03 04:24:30,016 INFO L205 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], [519], [521], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [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], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1088], [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], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-03 04:24:30,019 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 04:24:30,019 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 04:24:30,778 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 04:24:30,779 INFO L272 AbstractInterpreter]: Visited 288 different actions 1153 times. Merged at 10 different actions 33 times. Never widened. Performed 13873 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13873 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 13 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-03 04:24:30,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:24:30,781 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 04:24:30,781 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 04:24:30,781 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_37a8ad2d-0323-4f15-9ea1-9b9a28d0cf55/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 04:24:30,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:24:30,787 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 04:24:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:24:30,952 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:24:31,945 INFO L134 CoverageAnalysis]: Checked inductivity of 5315 backedges. 3675 proven. 2 refuted. 0 times theorem prover too weak. 1638 trivial. 0 not checked. [2018-12-03 04:24:31,945 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 04:24:34,325 INFO L134 CoverageAnalysis]: Checked inductivity of 5315 backedges. 1217 proven. 588 refuted. 0 times theorem prover too weak. 3510 trivial. 0 not checked. [2018-12-03 04:24:34,341 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 04:24:34,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 20 [2018-12-03 04:24:34,342 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 04:24:34,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-03 04:24:34,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-03 04:24:34,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2018-12-03 04:24:34,343 INFO L87 Difference]: Start difference. First operand 12630 states and 13055 transitions. Second operand 18 states. [2018-12-03 04:24:42,371 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2018-12-03 04:24:42,976 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 27 [2018-12-03 04:24:43,721 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2018-12-03 04:24:44,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:24:44,426 INFO L93 Difference]: Finished difference Result 22953 states and 23841 transitions. [2018-12-03 04:24:44,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-12-03 04:24:44,428 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1705 [2018-12-03 04:24:44,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:24:44,430 INFO L225 Difference]: With dead ends: 22953 [2018-12-03 04:24:44,431 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 04:24:44,459 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3498 GetRequests, 3440 SyntacticMatches, 5 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 870 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=559, Invalid=2411, Unknown=0, NotChecked=0, Total=2970 [2018-12-03 04:24:44,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 04:24:44,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 04:24:44,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 04:24:44,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 04:24:44,460 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1705 [2018-12-03 04:24:44,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:24:44,460 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 04:24:44,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-03 04:24:44,461 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 04:24:44,461 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 04:24:44,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 04:24:44,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:44,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:44,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:44,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:44,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:44,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:44,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:44,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:44,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:44,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:44,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:44,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:44,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:44,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:44,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:44,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:44,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:44,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:44,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:44,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:44,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:44,681 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 229 [2018-12-03 04:24:44,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:44,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:44,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:44,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:44,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:44,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:45,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:45,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:45,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:45,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:45,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:45,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:45,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:45,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:45,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:45,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:45,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:45,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 04:24:45,119 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 271 [2018-12-03 04:24:45,648 WARN L180 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 76 [2018-12-03 04:24:47,121 WARN L180 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 269 DAG size of output: 114 [2018-12-03 04:24:48,811 WARN L180 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 266 DAG size of output: 109 [2018-12-03 04:24:51,412 WARN L180 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 272 DAG size of output: 120 [2018-12-03 04:24:52,423 WARN L180 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 75 [2018-12-03 04:24:52,424 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 04:24:52,424 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-12-03 04:24:52,425 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 04:24:52,425 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,425 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-12-03 04:24:52,425 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,425 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,425 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,425 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,425 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,425 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,425 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,425 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,425 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,425 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,425 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,425 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,425 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,425 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,425 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,425 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,425 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,425 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,425 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,425 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,426 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,426 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,426 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,426 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,426 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,426 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,426 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,426 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse1 (<= (+ ~a18~0 156) 0)) (.cse24 (< 0 (+ ~a18~0 79)))) (let ((.cse3 (= 8 |old(~a12~0)|)) (.cse12 (not (= 3 |old(~a15~0)|))) (.cse4 (< 0 (+ |old(~a18~0)| 156))) (.cse23 (<= (+ |old(~a18~0)| 79) 0)) (.cse27 (= |old(~a16~0)| ~a16~0)) (.cse9 (= |old(~a15~0)| ~a15~0)) (.cse11 (= |old(~a12~0)| ~a12~0)) (.cse22 (or (and .cse1 (= ~a15~0 3)) .cse24))) (let ((.cse5 (and .cse27 .cse9 .cse11 .cse22)) (.cse8 (< |old(~a15~0)| 4)) (.cse15 (and .cse27 .cse9 .cse11)) (.cse10 (= ~a16~0 |old(~a16~0)|)) (.cse16 (and (= ~a16~0 10) .cse9 .cse11)) (.cse0 (not (= 8 |old(~a16~0)|))) (.cse18 (< 7 |old(~a12~0)|)) (.cse2 (= 4 |old(~a15~0)|)) (.cse17 (not (= 10 |old(~a16~0)|))) (.cse26 (= (+ ~a18~0 87) 0)) (.cse25 (not (= (+ |old(~a18~0)| 87) 0))) (.cse6 (and (or .cse12 .cse4) .cse23)) (.cse7 (not .cse3)) (.cse20 (< |old(~a16~0)| 12)) (.cse21 (not (= 9 |old(~a16~0)|))) (.cse19 (= 6 |old(~a12~0)|)) (.cse13 (= 0 |old(~a12~0)|)) (.cse14 (not (= 11 |old(~a16~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse8) (or .cse0 (and .cse1 .cse9 .cse10 .cse11) .cse7 .cse4 .cse8) (or .cse12 .cse3 .cse13 .cse14 (and .cse9 .cse10 .cse11)) (or .cse0 .cse3 .cse15) (or .cse16 .cse17 .cse18) (or .cse19 .cse2 .cse3 .cse20 .cse1 .cse4) (or .cse1 (or .cse21 .cse18 .cse4) .cse8) (or .cse6 .cse7 .cse5 .cse21) (or .cse0 .cse15 .cse2) (or .cse17 .cse1 .cse18 .cse4 .cse8) (or .cse2 .cse15 .cse20) (or .cse15 .cse21 .cse8) (or .cse19 .cse3 .cse15 .cse21) (or .cse2 .cse6 .cse7 .cse20 .cse22) (or .cse12 .cse7 (and .cse23 .cse4) .cse14 (and (or .cse1 .cse24) .cse10 (= 3 ~a15~0) .cse11)) (or (or .cse12 .cse25 (not .cse19) .cse14) .cse26) (or .cse2 .cse16 .cse17) (or .cse0 .cse1 .cse18 .cse4) (or .cse19 .cse2 (and .cse1 .cse27 .cse9 .cse11) .cse21 .cse4) (or .cse19 .cse1 .cse2 .cse17 .cse4) (or .cse12 (not (= 5 |old(~a12~0)|)) .cse26 .cse25 .cse14) (or .cse1 .cse6 .cse7 .cse20 .cse4) (or .cse19 .cse3 .cse1 .cse21 .cse4) (or .cse1 .cse19 .cse12 .cse13 .cse14 .cse4))))) [2018-12-03 04:24:52,426 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,426 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,426 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,426 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,426 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,426 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,426 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,426 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-12-03 04:24:52,426 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,426 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,426 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,426 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,427 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,427 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,427 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,427 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,427 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-12-03 04:24:52,427 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,427 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,427 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,427 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,427 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,427 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,427 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,427 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,427 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,427 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,427 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,427 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,427 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,427 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-03 04:24:52,427 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,427 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-03 04:24:52,427 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-03 04:24:52,428 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse1 (<= (+ ~a18~0 156) 0)) (.cse24 (< 0 (+ ~a18~0 79)))) (let ((.cse3 (= 8 |old(~a12~0)|)) (.cse9 (not (= 3 |old(~a15~0)|))) (.cse4 (< 0 (+ |old(~a18~0)| 156))) (.cse23 (<= (+ |old(~a18~0)| 79) 0)) (.cse28 (= |old(~a16~0)| ~a16~0)) (.cse13 (= |old(~a15~0)| ~a15~0)) (.cse15 (= |old(~a12~0)| ~a12~0)) (.cse27 (or (and .cse1 (= ~a15~0 3)) .cse24))) (let ((.cse14 (= ~a16~0 |old(~a16~0)|)) (.cse17 (not (= 11 |old(~a16~0)|))) (.cse26 (= 0 |old(~a12~0)|)) (.cse5 (and .cse28 .cse13 .cse15 .cse27)) (.cse8 (< |old(~a15~0)| 4)) (.cse18 (and .cse28 .cse13 .cse15)) (.cse19 (and (= ~a16~0 10) .cse13 .cse15)) (.cse0 (not (= 8 |old(~a16~0)|))) (.cse21 (< 7 |old(~a12~0)|)) (.cse2 (= 4 |old(~a15~0)|)) (.cse20 (not (= 10 |old(~a16~0)|))) (.cse6 (and (or .cse9 .cse4) .cse23)) (.cse7 (not .cse3)) (.cse10 (not (= 5 |old(~a12~0)|))) (.cse11 (not (= calculate_output_~input 0))) (.cse25 (< |old(~a16~0)| 12)) (.cse12 (= |calculate_output_#in~input| 0)) (.cse16 (= 6 |old(~a12~0)|)) (.cse22 (not (= 9 |old(~a16~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse8) (or (or .cse0 .cse9 .cse10) .cse11 .cse12) (or .cse0 (and .cse1 .cse13 .cse14 .cse15) .cse7 .cse4 .cse8) (or .cse12 (and (or .cse9 (not .cse16) .cse17) (or .cse9 .cse10 .cse17)) (not (= (+ |old(~a18~0)| 87) 0)) (= (+ ~a18~0 87) 0)) (or .cse0 .cse3 .cse18) (or .cse19 .cse20 .cse21) (or .cse11 .cse9 .cse10 .cse12 .cse22) (or .cse9 .cse7 (and .cse23 .cse4) .cse17 .cse12 (and (or .cse1 .cse24) .cse11 .cse14 (= 3 ~a15~0) .cse15)) (or .cse16 .cse2 .cse3 .cse25 .cse1 .cse4) (or .cse1 (or .cse22 .cse21 .cse4) .cse8) (or .cse9 .cse17 .cse12 .cse3 .cse26 (and .cse13 .cse11 .cse14 .cse15)) (or .cse9 .cse17 .cse12 .cse1 .cse16 .cse26 .cse4) (or .cse6 .cse7 .cse5 .cse22) (or .cse0 .cse18 .cse2) (or .cse20 .cse1 .cse21 .cse4 .cse8) (or .cse2 .cse18 .cse25) (or .cse18 .cse22 .cse8) (or .cse9 .cse10 .cse11 .cse12 .cse20) (or .cse16 .cse3 .cse18 .cse22) (or .cse2 .cse6 .cse7 .cse25 .cse27) (or .cse2 .cse19 .cse20) (or .cse0 .cse1 .cse21 .cse4) (or .cse16 .cse2 (and .cse1 .cse28 .cse13 .cse15) .cse22 .cse4) (or .cse16 .cse1 .cse2 .cse20 .cse4) (or .cse1 .cse6 .cse7 .cse25 .cse4) (or .cse9 .cse10 .cse11 .cse25 .cse12) (or .cse16 .cse3 .cse1 .cse22 .cse4))))) [2018-12-03 04:24:52,428 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,428 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-12-03 04:24:52,428 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,428 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,428 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,428 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,428 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,428 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,428 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,428 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-03 04:24:52,428 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-03 04:24:52,428 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,428 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-03 04:24:52,428 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,428 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,428 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,428 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,428 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,428 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,428 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,428 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,429 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,429 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,429 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,429 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,429 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,429 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,429 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,429 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-03 04:24:52,429 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,429 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-03 04:24:52,429 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-03 04:24:52,429 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,429 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,429 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,429 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,429 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,429 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,429 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,429 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,429 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,429 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,429 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-03 04:24:52,429 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-03 04:24:52,429 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,429 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-03 04:24:52,429 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,429 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,430 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,430 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,430 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,430 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,430 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,430 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,430 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,430 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,430 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,430 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,430 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-03 04:24:52,430 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,430 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-03 04:24:52,430 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-03 04:24:52,430 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,430 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,430 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,430 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,430 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,430 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,430 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,430 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,430 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,430 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,430 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,430 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,431 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-03 04:24:52,431 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,431 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-03 04:24:52,431 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,431 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-03 04:24:52,431 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,431 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,431 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,431 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,431 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,431 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,431 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,431 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,431 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,431 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,431 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,431 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,431 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,431 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-03 04:24:52,431 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-03 04:24:52,431 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-03 04:24:52,431 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,431 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,431 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,431 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,431 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,431 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,432 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,432 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,432 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,432 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,432 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,432 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,432 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-03 04:24:52,432 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,432 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-03 04:24:52,432 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-03 04:24:52,432 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,432 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,432 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,432 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,432 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,432 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,432 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse5 (<= (+ ~a18~0 156) 0)) (.cse26 (< 0 (+ ~a18~0 79)))) (let ((.cse1 (= 8 |old(~a12~0)|)) (.cse17 (not (= 3 |old(~a15~0)|))) (.cse7 (< 0 (+ |old(~a18~0)| 156))) (.cse25 (<= (+ |old(~a18~0)| 79) 0)) (.cse24 (= |old(~a16~0)| ~a16~0)) (.cse11 (or (and .cse5 (= ~a15~0 3)) .cse26)) (.cse14 (= |old(~a15~0)| ~a15~0)) (.cse16 (= |old(~a12~0)| ~a12~0))) (let ((.cse20 (= 0 |old(~a12~0)|)) (.cse21 (and (= ~a16~0 10) .cse14 .cse16)) (.cse12 (and .cse24 .cse14 .cse16 .cse11)) (.cse4 (not (= 8 |old(~a16~0)|))) (.cse8 (and (or .cse17 .cse7) .cse25)) (.cse22 (not (= 10 |old(~a16~0)|))) (.cse23 (< 7 |old(~a12~0)|)) (.cse6 (= 4 |old(~a15~0)|)) (.cse10 (< |old(~a16~0)| 12)) (.cse9 (not .cse1)) (.cse15 (= ~a16~0 |old(~a16~0)|)) (.cse2 (and .cse24 .cse14 .cse16)) (.cse3 (not (= 9 |old(~a16~0)|))) (.cse13 (< |old(~a15~0)| 4)) (.cse19 (= |calculate_output_#in~input| 0)) (.cse0 (= 6 |old(~a12~0)|)) (.cse18 (not (= 11 |old(~a16~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse1 .cse7) (or .cse6 .cse8 .cse9 .cse10 .cse11) (or .cse4 .cse12 .cse8 .cse9 .cse13) (or .cse4 (and .cse5 .cse14 .cse15 .cse16) .cse9 .cse7 .cse13) (or .cse4 .cse1 .cse2) (or .cse17 .cse18 .cse19 (and .cse14 .cse15 .cse16) .cse1 .cse20) (or .cse21 .cse22 .cse23) (or .cse0 .cse6 .cse1 .cse10 .cse5 .cse7) (or .cse5 (or .cse3 .cse23 .cse7) .cse13) (or .cse17 .cse5 .cse19 .cse0 (< |old(~a16~0)| 9) .cse20 .cse7) (or .cse6 .cse21 .cse22) (or .cse4 .cse5 .cse23 .cse7) (or .cse0 .cse6 (and .cse5 .cse24 .cse14 .cse16) .cse3 .cse7) (or .cse0 .cse5 .cse6 .cse22 .cse7) (or .cse8 .cse9 .cse12 .cse3) (or .cse4 .cse2 .cse6) (or .cse5 .cse8 .cse9 .cse10 .cse7) (or .cse0 .cse1 .cse5 .cse3 .cse7) (or .cse22 .cse5 .cse23 .cse7 .cse13) (or .cse6 .cse2 .cse10) (or .cse17 .cse9 (and .cse25 .cse7) .cse18 (and (or .cse5 .cse26) .cse15 (= 3 ~a15~0) .cse16) .cse19) (or .cse2 .cse3 .cse13) (or (= (+ ~a18~0 87) 0) .cse19 (and (or .cse17 (not .cse0) .cse18) (or .cse17 (not (= 5 |old(~a12~0)|)) .cse18)) (not (= (+ |old(~a18~0)| 87) 0))))))) [2018-12-03 04:24:52,432 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,432 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,432 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,433 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,433 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,433 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,433 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,433 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,433 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,433 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-03 04:24:52,433 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-03 04:24:52,433 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-03 04:24:52,433 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,433 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,433 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,433 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,433 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,433 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,433 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,433 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,433 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,433 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,433 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,433 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-03 04:24:52,433 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,433 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-03 04:24:52,433 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-03 04:24:52,433 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,433 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,434 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,434 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,434 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,434 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,434 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,434 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,434 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,434 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,434 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,434 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,434 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-03 04:24:52,434 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-03 04:24:52,434 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-03 04:24:52,434 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,434 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,434 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,434 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,434 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,434 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,434 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,434 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,434 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,434 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,434 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,434 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,434 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-03 04:24:52,434 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,435 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-03 04:24:52,435 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-03 04:24:52,435 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,435 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,435 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,435 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,435 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,435 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,435 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,435 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,435 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,435 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,435 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,435 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,435 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-03 04:24:52,435 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-03 04:24:52,435 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-03 04:24:52,435 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,435 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,435 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,435 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,435 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,435 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,435 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,435 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,435 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,436 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,436 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,436 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,436 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,436 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-03 04:24:52,436 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-03 04:24:52,436 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,436 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,436 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,436 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,436 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,436 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,436 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,436 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,436 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,436 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,436 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-03 04:24:52,436 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-03 04:24:52,436 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,436 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,436 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,436 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,436 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,436 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,436 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,436 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,437 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,437 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,437 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,437 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,437 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,437 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,437 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-03 04:24:52,437 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-03 04:24:52,437 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,437 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,437 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,437 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,437 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,437 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 151) no Hoare annotation was computed. [2018-12-03 04:24:52,437 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,437 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,437 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,437 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,437 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,437 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-03 04:24:52,437 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-03 04:24:52,437 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,437 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,437 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,438 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,438 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,438 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,438 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,438 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,438 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,438 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,438 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,438 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,438 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,438 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,438 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,438 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-03 04:24:52,438 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-03 04:24:52,438 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,438 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,438 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,438 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,438 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,438 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,438 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,438 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,438 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-03 04:24:52,438 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,438 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,438 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,438 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,438 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-03 04:24:52,439 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-03 04:24:52,439 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-03 04:24:52,439 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,439 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,439 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,439 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,439 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,439 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,439 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,439 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,439 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,439 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,439 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,439 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,439 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,439 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,439 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-03 04:24:52,439 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-03 04:24:52,439 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-03 04:24:52,439 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,439 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,439 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,439 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,439 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,439 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,439 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,439 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,439 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,440 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,440 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,440 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,440 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,440 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,440 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,440 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-03 04:24:52,440 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-03 04:24:52,440 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-03 04:24:52,440 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,440 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,440 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,440 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,440 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,440 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,440 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,440 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,440 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 04:24:52,440 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-03 04:24:52,440 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-03 04:24:52,440 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-03 04:24:52,440 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,440 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,440 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-12-03 04:24:52,440 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 04:24:52,441 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= ~a15~0 3) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-12-03 04:24:52,441 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 04:24:52,441 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 04:24:52,441 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)|)) (and (= (+ ~a18~0 87) 0) (= |old(~a15~0)| ~a15~0) (= ~a16~0 |old(~a16~0)|) (= |old(~a12~0)| ~a12~0)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 11 |old(~a16~0)|))) [2018-12-03 04:24:52,441 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-12-03 04:24:52,441 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse14 (not (= ~a12~0 6))) (.cse4 (not (= ~a15~0 4))) (.cse7 (<= (+ ~a18~0 156) 0)) (.cse13 (= ~a15~0 3)) (.cse9 (< 0 (+ ~a18~0 79)))) (let ((.cse2 (or (and .cse7 .cse13) .cse9)) (.cse12 (= 3 ~a15~0)) (.cse3 (= ~a16~0 10)) (.cse1 (and .cse14 .cse4 (not (= ~a16~0 12)))) (.cse5 (= 8 ~a16~0)) (.cse8 (not (= main_~input~0 0))) (.cse10 (not (= ~a12~0 0))) (.cse11 (= ~a16~0 |old(~a16~0)|)) (.cse0 (= 9 ~a16~0)) (.cse6 (not (= ~a12~0 8)))) (or (and (and .cse0 .cse1) .cse2) (not (= 11 |old(~a16~0)|)) (and .cse1 .cse3) (not (= (+ |old(~a18~0)| 87) 0)) (and (<= 12 ~a16~0) .cse4) (and .cse5 .cse2) (and .cse5 .cse6) (not (= 3 |old(~a15~0)|)) (and .cse0 .cse7 .cse1) (and .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse7 .cse8 .cse10 .cse11 .cse12) (and .cse0 (<= 4 ~a15~0)) (and .cse3 (<= ~a12~0 7)) (and .cse7 .cse5) (not (= 5 |old(~a12~0)|)) (and .cse1 .cse5) (and .cse8 .cse13 .cse6 .cse10 .cse11) (and .cse0 .cse14 .cse6)))) [2018-12-03 04:24:52,441 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-12-03 04:24:52,441 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-12-03 04:24:52,441 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse10 (not (= ~a12~0 6))) (.cse4 (not (= ~a15~0 4))) (.cse7 (<= (+ ~a18~0 156) 0)) (.cse9 (= ~a15~0 3)) (.cse8 (< 0 (+ ~a18~0 79)))) (let ((.cse2 (or (and .cse7 .cse9) .cse8)) (.cse3 (= ~a16~0 10)) (.cse1 (and .cse10 .cse4 (not (= ~a16~0 12)))) (.cse5 (= 8 ~a16~0)) (.cse0 (= 9 ~a16~0)) (.cse6 (not (= ~a12~0 8)))) (or (and (and .cse0 .cse1) .cse2) (not (= 11 |old(~a16~0)|)) (and .cse1 .cse3) (not (= (+ |old(~a18~0)| 87) 0)) (and (<= 12 ~a16~0) .cse4) (and .cse5 .cse2) (and .cse5 .cse6) (not (= 3 |old(~a15~0)|)) (and .cse0 .cse7 .cse1) (and (= 8 ~a12~0) (= |old(~a16~0)| ~a16~0) (= 3 ~a15~0) (or .cse7 .cse8)) (and (= ~a16~0 11) .cse9 (not (= ~a12~0 0)) .cse6) (and .cse0 (<= 4 ~a15~0)) (and .cse3 (<= ~a12~0 7)) (and .cse7 .cse5) (not (= 5 |old(~a12~0)|)) (and .cse1 .cse5) (and .cse0 .cse10 .cse6)))) [2018-12-03 04:24:52,441 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-12-03 04:24:52,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 04:24:52 BoogieIcfgContainer [2018-12-03 04:24:52,448 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 04:24:52,449 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 04:24:52,449 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 04:24:52,449 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 04:24:52,449 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:20:37" (3/4) ... [2018-12-03 04:24:52,451 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 04:24:52,455 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 04:24:52,455 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-03 04:24:52,455 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-03 04:24:52,455 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 04:24:52,466 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-03 04:24:52,467 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-03 04:24:52,485 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((9 == a16 && (!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && ((a18 + 156 <= 0 && a15 == 3) || 0 < a18 + 79)) || !(11 == \old(a16))) || (((!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && a16 == 10)) || !(\old(a18) + 87 == 0)) || (12 <= a16 && !(a15 == 4))) || (8 == a16 && ((a18 + 156 <= 0 && a15 == 3) || 0 < a18 + 79))) || (8 == a16 && !(a12 == 8))) || !(3 == \old(a15))) || ((9 == a16 && a18 + 156 <= 0) && (!(a12 == 6) && !(a15 == 4)) && !(a16 == 12))) || (((8 == a12 && \old(a16) == a16) && 3 == a15) && (a18 + 156 <= 0 || 0 < a18 + 79))) || (((a16 == 11 && a15 == 3) && !(a12 == 0)) && !(a12 == 8))) || (9 == a16 && 4 <= a15)) || (a16 == 10 && a12 <= 7)) || (a18 + 156 <= 0 && 8 == a16)) || !(5 == \old(a12))) || (((!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && 8 == a16)) || ((9 == a16 && !(a12 == 6)) && !(a12 == 8)) [2018-12-03 04:24:52,559 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_37a8ad2d-0323-4f15-9ea1-9b9a28d0cf55/bin-2019/utaipan/witness.graphml [2018-12-03 04:24:52,559 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 04:24:52,559 INFO L168 Benchmark]: Toolchain (without parser) took 256553.67 ms. Allocated memory was 1.0 GB in the beginning and 5.2 GB in the end (delta: 4.2 GB). Free memory was 956.0 MB in the beginning and 4.0 GB in the end (delta: -3.1 GB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-03 04:24:52,560 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 04:24:52,560 INFO L168 Benchmark]: CACSL2BoogieTranslator took 532.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -108.1 MB). Peak memory consumption was 73.3 MB. Max. memory is 11.5 GB. [2018-12-03 04:24:52,560 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 04:24:52,560 INFO L168 Benchmark]: Boogie Preprocessor took 60.83 ms. Allocated memory is still 1.1 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. [2018-12-03 04:24:52,560 INFO L168 Benchmark]: RCFGBuilder took 1289.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -1.2 MB). Peak memory consumption was 230.7 MB. Max. memory is 11.5 GB. [2018-12-03 04:24:52,560 INFO L168 Benchmark]: TraceAbstraction took 254533.46 ms. Allocated memory was 1.1 GB in the beginning and 5.2 GB in the end (delta: 4.1 GB). Free memory was 1.1 GB in the beginning and 4.2 GB in the end (delta: -3.2 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. [2018-12-03 04:24:52,561 INFO L168 Benchmark]: Witness Printer took 110.01 ms. Allocated memory is still 5.2 GB. Free memory was 4.2 GB in the beginning and 4.0 GB in the end (delta: 193.0 MB). Peak memory consumption was 193.0 MB. Max. memory is 11.5 GB. [2018-12-03 04:24:52,562 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 532.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -108.1 MB). Peak memory consumption was 73.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.83 ms. Allocated memory is still 1.1 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 1289.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -1.2 MB). Peak memory consumption was 230.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 254533.46 ms. Allocated memory was 1.1 GB in the beginning and 5.2 GB in the end (delta: 4.1 GB). Free memory was 1.1 GB in the beginning and 4.2 GB in the end (delta: -3.2 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. * Witness Printer took 110.01 ms. Allocated memory is still 5.2 GB. Free memory was 4.2 GB in the beginning and 4.0 GB in the end (delta: 193.0 MB). Peak memory consumption was 193.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 151]: 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: (((((((((((((((((9 == a16 && (!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && ((a18 + 156 <= 0 && a15 == 3) || 0 < a18 + 79)) || !(11 == \old(a16))) || (((!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && a16 == 10)) || !(\old(a18) + 87 == 0)) || (12 <= a16 && !(a15 == 4))) || (8 == a16 && ((a18 + 156 <= 0 && a15 == 3) || 0 < a18 + 79))) || (8 == a16 && !(a12 == 8))) || !(3 == \old(a15))) || ((9 == a16 && a18 + 156 <= 0) && (!(a12 == 6) && !(a15 == 4)) && !(a16 == 12))) || (((8 == a12 && \old(a16) == a16) && 3 == a15) && (a18 + 156 <= 0 || 0 < a18 + 79))) || (((a16 == 11 && a15 == 3) && !(a12 == 0)) && !(a12 == 8))) || (9 == a16 && 4 <= a15)) || (a16 == 10 && a12 <= 7)) || (a18 + 156 <= 0 && 8 == a16)) || !(5 == \old(a12))) || (((!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && 8 == a16)) || ((9 == a16 && !(a12 == 6)) && !(a12 == 8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 254.4s OverallTime, 18 OverallIterations, 9 TraceHistogramMax, 218.2s AutomataDifference, 0.0s DeadEndRemovalTime, 7.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 3226 SDtfs, 25222 SDslu, 1577 SDs, 0 SdLazy, 47764 SolverSat, 5924 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 195.2s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 19667 GetRequests, 19425 SyntacticMatches, 21 SemanticMatches, 221 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1219 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17247occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.2s AbstIntTime, 12 AbstIntIterations, 5 AbstIntStrong, 0.9981328645931579 AbsIntWeakeningRatio, 0.05748663101604278 AbsIntAvgWeakeningVarsNumRemoved, 16.120989304812834 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 18 MinimizatonAttempts, 1081 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1892 PreInvPairs, 2174 NumberOfFragments, 2692 HoareAnnotationTreeSize, 1892 FomulaSimplifications, 35088 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 24747 FormulaSimplificationTreeSizeReductionInter, 7.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 10.4s InterpolantComputationTime, 22219 NumberOfCodeBlocks, 22219 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 30392 ConstructedInterpolants, 0 QuantifiedInterpolants, 97398212 SizeOfPredicates, 7 NumberOfNonLiveVariables, 10521 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 32 InterpolantComputations, 10 PerfectInterpolantSequences, 62727/66089 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...