./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label36_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_f3142326-4165-471d-acda-fe3b63b97624/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f3142326-4165-471d-acda-fe3b63b97624/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f3142326-4165-471d-acda-fe3b63b97624/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f3142326-4165-471d-acda-fe3b63b97624/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label36_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f3142326-4165-471d-acda-fe3b63b97624/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f3142326-4165-471d-acda-fe3b63b97624/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 4b014586a871c87a7a88fd7c414a377b88100eac ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 07:03:46,116 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 07:03:46,117 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 07:03:46,123 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 07:03:46,123 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 07:03:46,124 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 07:03:46,124 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 07:03:46,125 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 07:03:46,126 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 07:03:46,126 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 07:03:46,127 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 07:03:46,127 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 07:03:46,127 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 07:03:46,128 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 07:03:46,128 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 07:03:46,129 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 07:03:46,129 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 07:03:46,130 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 07:03:46,131 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 07:03:46,132 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 07:03:46,132 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 07:03:46,133 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 07:03:46,134 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 07:03:46,134 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 07:03:46,134 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 07:03:46,135 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 07:03:46,135 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 07:03:46,136 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 07:03:46,136 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 07:03:46,137 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 07:03:46,137 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 07:03:46,137 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 07:03:46,137 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 07:03:46,137 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 07:03:46,138 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 07:03:46,138 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 07:03:46,138 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f3142326-4165-471d-acda-fe3b63b97624/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 07:03:46,146 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 07:03:46,146 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 07:03:46,146 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 07:03:46,147 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 07:03:46,147 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 07:03:46,147 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 07:03:46,147 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 07:03:46,147 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 07:03:46,147 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 07:03:46,147 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 07:03:46,147 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 07:03:46,147 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 07:03:46,147 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 07:03:46,148 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 07:03:46,148 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 07:03:46,148 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 07:03:46,148 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 07:03:46,148 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 07:03:46,148 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 07:03:46,148 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 07:03:46,148 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 07:03:46,148 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 07:03:46,148 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 07:03:46,149 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 07:03:46,149 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 07:03:46,149 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 07:03:46,149 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 07:03:46,149 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 07:03:46,149 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 07:03:46,149 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 07:03:46,149 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 07:03:46,149 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 07:03:46,149 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 07:03:46,149 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 07:03:46,150 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 07:03:46,150 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 07:03:46,150 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_f3142326-4165-471d-acda-fe3b63b97624/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 -> 4b014586a871c87a7a88fd7c414a377b88100eac [2018-12-02 07:03:46,168 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 07:03:46,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 07:03:46,179 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 07:03:46,180 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 07:03:46,180 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 07:03:46,180 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f3142326-4165-471d-acda-fe3b63b97624/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem03_label36_true-unreach-call.c [2018-12-02 07:03:46,215 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f3142326-4165-471d-acda-fe3b63b97624/bin-2019/utaipan/data/7af275720/4da31ed40a32435385899ebe9ba42527/FLAG3941d77e9 [2018-12-02 07:03:46,713 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 07:03:46,714 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f3142326-4165-471d-acda-fe3b63b97624/sv-benchmarks/c/eca-rers2012/Problem03_label36_true-unreach-call.c [2018-12-02 07:03:46,723 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f3142326-4165-471d-acda-fe3b63b97624/bin-2019/utaipan/data/7af275720/4da31ed40a32435385899ebe9ba42527/FLAG3941d77e9 [2018-12-02 07:03:46,732 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f3142326-4165-471d-acda-fe3b63b97624/bin-2019/utaipan/data/7af275720/4da31ed40a32435385899ebe9ba42527 [2018-12-02 07:03:46,734 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 07:03:46,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 07:03:46,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 07:03:46,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 07:03:46,737 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 07:03:46,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:03:46" (1/1) ... [2018-12-02 07:03:46,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf0b28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:03:46, skipping insertion in model container [2018-12-02 07:03:46,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:03:46" (1/1) ... [2018-12-02 07:03:46,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 07:03:46,782 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 07:03:47,078 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 07:03:47,082 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 07:03:47,270 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 07:03:47,283 INFO L195 MainTranslator]: Completed translation [2018-12-02 07:03:47,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:03:47 WrapperNode [2018-12-02 07:03:47,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 07:03:47,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 07:03:47,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 07:03:47,284 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 07:03:47,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:03:47" (1/1) ... [2018-12-02 07:03:47,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:03:47" (1/1) ... [2018-12-02 07:03:47,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 07:03:47,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 07:03:47,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 07:03:47,315 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 07:03:47,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:03:47" (1/1) ... [2018-12-02 07:03:47,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:03:47" (1/1) ... [2018-12-02 07:03:47,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:03:47" (1/1) ... [2018-12-02 07:03:47,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:03:47" (1/1) ... [2018-12-02 07:03:47,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:03:47" (1/1) ... [2018-12-02 07:03:47,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:03:47" (1/1) ... [2018-12-02 07:03:47,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:03:47" (1/1) ... [2018-12-02 07:03:47,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 07:03:47,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 07:03:47,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 07:03:47,383 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 07:03:47,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:03:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f3142326-4165-471d-acda-fe3b63b97624/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 [2018-12-02 07:03:47,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 07:03:47,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 07:03:47,417 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 07:03:47,417 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 07:03:47,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 07:03:47,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 07:03:47,418 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 07:03:47,418 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 07:03:48,510 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 07:03:48,510 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 07:03:48,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:03:48 BoogieIcfgContainer [2018-12-02 07:03:48,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 07:03:48,511 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 07:03:48,511 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 07:03:48,514 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 07:03:48,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:03:46" (1/3) ... [2018-12-02 07:03:48,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b758c3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:03:48, skipping insertion in model container [2018-12-02 07:03:48,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:03:47" (2/3) ... [2018-12-02 07:03:48,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b758c3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:03:48, skipping insertion in model container [2018-12-02 07:03:48,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:03:48" (3/3) ... [2018-12-02 07:03:48,517 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label36_true-unreach-call.c [2018-12-02 07:03:48,526 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 07:03:48,533 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 07:03:48,545 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 07:03:48,568 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 07:03:48,568 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 07:03:48,568 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 07:03:48,569 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 07:03:48,569 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 07:03:48,569 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 07:03:48,569 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 07:03:48,569 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 07:03:48,588 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states. [2018-12-02 07:03:48,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-02 07:03:48,599 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:03:48,600 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:03:48,601 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:03:48,605 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:03:48,605 INFO L82 PathProgramCache]: Analyzing trace with hash -938098264, now seen corresponding path program 1 times [2018-12-02 07:03:48,607 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:03:48,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:48,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:03:48,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:48,638 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:03:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:03:49,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:03:49,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:03:49,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 07:03:49,054 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:03:49,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 07:03:49,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 07:03:49,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 07:03:49,067 INFO L87 Difference]: Start difference. First operand 311 states. Second operand 3 states. [2018-12-02 07:03:49,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:03:49,683 INFO L93 Difference]: Finished difference Result 842 states and 1484 transitions. [2018-12-02 07:03:49,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 07:03:49,685 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2018-12-02 07:03:49,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:03:49,694 INFO L225 Difference]: With dead ends: 842 [2018-12-02 07:03:49,694 INFO L226 Difference]: Without dead ends: 469 [2018-12-02 07:03:49,697 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 [2018-12-02 07:03:49,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2018-12-02 07:03:49,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 468. [2018-12-02 07:03:49,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2018-12-02 07:03:49,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 718 transitions. [2018-12-02 07:03:49,737 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 718 transitions. Word has length 185 [2018-12-02 07:03:49,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:03:49,738 INFO L480 AbstractCegarLoop]: Abstraction has 468 states and 718 transitions. [2018-12-02 07:03:49,738 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 07:03:49,738 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 718 transitions. [2018-12-02 07:03:49,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-02 07:03:49,741 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:03:49,741 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:03:49,741 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:03:49,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:03:49,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1105348843, now seen corresponding path program 1 times [2018-12-02 07:03:49,742 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:03:49,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:49,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:03:49,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:49,743 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:03:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:03:49,851 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:03:49,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:03:49,851 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 07:03:49,852 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:03:49,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 07:03:49,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 07:03:49,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 07:03:49,853 INFO L87 Difference]: Start difference. First operand 468 states and 718 transitions. Second operand 6 states. [2018-12-02 07:03:50,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:03:50,734 INFO L93 Difference]: Finished difference Result 1409 states and 2231 transitions. [2018-12-02 07:03:50,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 07:03:50,734 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 194 [2018-12-02 07:03:50,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:03:50,740 INFO L225 Difference]: With dead ends: 1409 [2018-12-02 07:03:50,740 INFO L226 Difference]: Without dead ends: 947 [2018-12-02 07:03:50,741 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 [2018-12-02 07:03:50,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2018-12-02 07:03:50,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 910. [2018-12-02 07:03:50,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 910 states. [2018-12-02 07:03:50,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1387 transitions. [2018-12-02 07:03:50,778 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1387 transitions. Word has length 194 [2018-12-02 07:03:50,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:03:50,778 INFO L480 AbstractCegarLoop]: Abstraction has 910 states and 1387 transitions. [2018-12-02 07:03:50,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 07:03:50,778 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1387 transitions. [2018-12-02 07:03:50,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-02 07:03:50,780 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:03:50,780 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:03:50,781 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:03:50,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:03:50,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1728889276, now seen corresponding path program 1 times [2018-12-02 07:03:50,781 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:03:50,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:50,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:03:50,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:50,782 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:03:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:03:50,893 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:03:50,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:03:50,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 07:03:50,893 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:03:50,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 07:03:50,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 07:03:50,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 07:03:50,894 INFO L87 Difference]: Start difference. First operand 910 states and 1387 transitions. Second operand 3 states. [2018-12-02 07:03:51,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:03:51,475 INFO L93 Difference]: Finished difference Result 2674 states and 4169 transitions. [2018-12-02 07:03:51,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 07:03:51,475 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2018-12-02 07:03:51,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:03:51,483 INFO L225 Difference]: With dead ends: 2674 [2018-12-02 07:03:51,483 INFO L226 Difference]: Without dead ends: 1770 [2018-12-02 07:03:51,485 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 07:03:51,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1770 states. [2018-12-02 07:03:51,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1770 to 1748. [2018-12-02 07:03:51,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1748 states. [2018-12-02 07:03:51,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1748 states to 1748 states and 2648 transitions. [2018-12-02 07:03:51,525 INFO L78 Accepts]: Start accepts. Automaton has 1748 states and 2648 transitions. Word has length 197 [2018-12-02 07:03:51,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:03:51,526 INFO L480 AbstractCegarLoop]: Abstraction has 1748 states and 2648 transitions. [2018-12-02 07:03:51,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 07:03:51,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 2648 transitions. [2018-12-02 07:03:51,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-02 07:03:51,531 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:03:51,531 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:03:51,531 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:03:51,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:03:51,532 INFO L82 PathProgramCache]: Analyzing trace with hash -609833497, now seen corresponding path program 1 times [2018-12-02 07:03:51,532 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:03:51,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:51,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:03:51,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:03:51,533 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:03:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:03:51,649 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:03:51,650 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:03:51,650 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 07:03:51,650 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 215 with the following transitions: [2018-12-02 07:03:51,652 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [28], [29], [33], [37], [41], [45], [48], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [949], [951], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-02 07:03:51,689 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 07:03:51,689 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 07:03:52,262 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 07:03:52,263 INFO L272 AbstractInterpreter]: Visited 186 different actions 186 times. Never merged. Never widened. Performed 4106 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4106 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 88 variables. [2018-12-02 07:03:52,268 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:03:52,268 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 07:03:52,710 INFO L227 lantSequenceWeakener]: Weakened 205 states. On average, predicates are now at 73.2% of their original sizes. [2018-12-02 07:03:52,710 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 07:03:52,816 INFO L418 sIntCurrentIteration]: We unified 213 AI predicates to 213 [2018-12-02 07:03:52,816 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 07:03:52,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 07:03:52,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2018-12-02 07:03:52,816 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:03:52,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-02 07:03:52,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-02 07:03:52,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2018-12-02 07:03:52,817 INFO L87 Difference]: Start difference. First operand 1748 states and 2648 transitions. Second operand 13 states. [2018-12-02 07:04:03,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:04:03,920 INFO L93 Difference]: Finished difference Result 3698 states and 5593 transitions. [2018-12-02 07:04:03,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 07:04:03,920 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 214 [2018-12-02 07:04:03,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:04:03,924 INFO L225 Difference]: With dead ends: 3698 [2018-12-02 07:04:03,924 INFO L226 Difference]: Without dead ends: 1956 [2018-12-02 07:04:03,926 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 214 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2018-12-02 07:04:03,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1956 states. [2018-12-02 07:04:03,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1956 to 1955. [2018-12-02 07:04:03,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1955 states. [2018-12-02 07:04:03,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1955 states and 2865 transitions. [2018-12-02 07:04:03,951 INFO L78 Accepts]: Start accepts. Automaton has 1955 states and 2865 transitions. Word has length 214 [2018-12-02 07:04:03,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:04:03,951 INFO L480 AbstractCegarLoop]: Abstraction has 1955 states and 2865 transitions. [2018-12-02 07:04:03,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-02 07:04:03,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1955 states and 2865 transitions. [2018-12-02 07:04:03,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-02 07:04:03,954 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:04:03,954 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:04:03,954 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:04:03,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:04:03,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1070158400, now seen corresponding path program 1 times [2018-12-02 07:04:03,954 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:04:03,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:04:03,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:04:03,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:04:03,955 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:04:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:04:04,033 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:04:04,033 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:04:04,033 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 07:04:04,033 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 224 with the following transitions: [2018-12-02 07:04:04,034 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [48], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [949], [951], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-02 07:04:04,040 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 07:04:04,040 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 07:04:04,629 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 07:04:04,629 INFO L272 AbstractInterpreter]: Visited 190 different actions 372 times. Merged at 3 different actions 3 times. Never widened. Performed 8570 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8570 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-12-02 07:04:04,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:04:04,635 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 07:04:04,635 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:04:04,635 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f3142326-4165-471d-acda-fe3b63b97624/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 [2018-12-02 07:04:04,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:04:04,645 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 07:04:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:04:04,765 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:04:04,840 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-02 07:04:04,840 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 07:04:04,890 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-02 07:04:04,914 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 07:04:04,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-12-02 07:04:04,914 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:04:04,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 07:04:04,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 07:04:04,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 07:04:04,915 INFO L87 Difference]: Start difference. First operand 1955 states and 2865 transitions. Second operand 3 states. [2018-12-02 07:04:05,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:04:05,498 INFO L93 Difference]: Finished difference Result 5383 states and 8281 transitions. [2018-12-02 07:04:05,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 07:04:05,499 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 223 [2018-12-02 07:04:05,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:04:05,507 INFO L225 Difference]: With dead ends: 5383 [2018-12-02 07:04:05,507 INFO L226 Difference]: Without dead ends: 3641 [2018-12-02 07:04:05,510 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 444 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 07:04:05,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3641 states. [2018-12-02 07:04:05,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3641 to 3636. [2018-12-02 07:04:05,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3636 states. [2018-12-02 07:04:05,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3636 states to 3636 states and 5283 transitions. [2018-12-02 07:04:05,559 INFO L78 Accepts]: Start accepts. Automaton has 3636 states and 5283 transitions. Word has length 223 [2018-12-02 07:04:05,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:04:05,560 INFO L480 AbstractCegarLoop]: Abstraction has 3636 states and 5283 transitions. [2018-12-02 07:04:05,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 07:04:05,560 INFO L276 IsEmpty]: Start isEmpty. Operand 3636 states and 5283 transitions. [2018-12-02 07:04:05,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-12-02 07:04:05,566 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:04:05,566 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:04:05,567 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:04:05,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:04:05,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1094635283, now seen corresponding path program 1 times [2018-12-02 07:04:05,567 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:04:05,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:04:05,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:04:05,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:04:05,567 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:04:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:04:05,665 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:04:05,665 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:04:05,665 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 07:04:05,665 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 231 with the following transitions: [2018-12-02 07:04:05,665 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [68], [73], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [949], [951], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-02 07:04:05,669 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 07:04:05,669 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 07:04:06,195 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 07:04:06,196 INFO L272 AbstractInterpreter]: Visited 190 different actions 372 times. Merged at 3 different actions 3 times. Never widened. Performed 8572 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8572 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-12-02 07:04:06,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:04:06,197 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 07:04:06,197 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:04:06,197 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f3142326-4165-471d-acda-fe3b63b97624/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 [2018-12-02 07:04:06,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:04:06,207 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 07:04:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:04:06,310 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:04:06,342 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 07:04:06,342 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 07:04:06,401 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 07:04:06,420 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 07:04:06,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-12-02 07:04:06,420 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:04:06,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 07:04:06,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 07:04:06,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 07:04:06,421 INFO L87 Difference]: Start difference. First operand 3636 states and 5283 transitions. Second operand 3 states. [2018-12-02 07:04:06,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:04:06,932 INFO L93 Difference]: Finished difference Result 10216 states and 15415 transitions. [2018-12-02 07:04:06,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 07:04:06,933 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 230 [2018-12-02 07:04:06,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:04:06,948 INFO L225 Difference]: With dead ends: 10216 [2018-12-02 07:04:06,948 INFO L226 Difference]: Without dead ends: 6793 [2018-12-02 07:04:06,953 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 458 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 07:04:06,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6793 states. [2018-12-02 07:04:07,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6793 to 6768. [2018-12-02 07:04:07,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6768 states. [2018-12-02 07:04:07,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6768 states to 6768 states and 10102 transitions. [2018-12-02 07:04:07,050 INFO L78 Accepts]: Start accepts. Automaton has 6768 states and 10102 transitions. Word has length 230 [2018-12-02 07:04:07,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:04:07,050 INFO L480 AbstractCegarLoop]: Abstraction has 6768 states and 10102 transitions. [2018-12-02 07:04:07,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 07:04:07,050 INFO L276 IsEmpty]: Start isEmpty. Operand 6768 states and 10102 transitions. [2018-12-02 07:04:07,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-12-02 07:04:07,060 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:04:07,060 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:04:07,060 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:04:07,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:04:07,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1514283214, now seen corresponding path program 1 times [2018-12-02 07:04:07,061 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:04:07,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:04:07,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:04:07,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:04:07,061 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:04:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:04:07,155 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 75 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:04:07,155 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:04:07,155 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 07:04:07,155 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 250 with the following transitions: [2018-12-02 07:04:07,156 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [151], [156], [158], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [949], [951], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-02 07:04:07,160 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 07:04:07,161 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 07:04:07,585 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 07:04:07,586 INFO L272 AbstractInterpreter]: Visited 190 different actions 372 times. Merged at 3 different actions 3 times. Never widened. Performed 8578 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8578 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-12-02 07:04:07,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:04:07,587 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 07:04:07,587 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:04:07,587 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f3142326-4165-471d-acda-fe3b63b97624/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 [2018-12-02 07:04:07,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:04:07,593 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 07:04:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:04:07,691 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:04:07,743 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 07:04:07,743 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 07:04:07,807 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 07:04:07,831 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 07:04:07,831 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-12-02 07:04:07,831 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:04:07,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 07:04:07,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 07:04:07,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 07:04:07,832 INFO L87 Difference]: Start difference. First operand 6768 states and 10102 transitions. Second operand 3 states. [2018-12-02 07:04:08,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:04:08,442 INFO L93 Difference]: Finished difference Result 18945 states and 29084 transitions. [2018-12-02 07:04:08,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 07:04:08,442 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 249 [2018-12-02 07:04:08,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:04:08,468 INFO L225 Difference]: With dead ends: 18945 [2018-12-02 07:04:08,468 INFO L226 Difference]: Without dead ends: 12390 [2018-12-02 07:04:08,477 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 496 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 07:04:08,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12390 states. [2018-12-02 07:04:08,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12390 to 12387. [2018-12-02 07:04:08,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12387 states. [2018-12-02 07:04:08,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12387 states to 12387 states and 17143 transitions. [2018-12-02 07:04:08,639 INFO L78 Accepts]: Start accepts. Automaton has 12387 states and 17143 transitions. Word has length 249 [2018-12-02 07:04:08,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:04:08,640 INFO L480 AbstractCegarLoop]: Abstraction has 12387 states and 17143 transitions. [2018-12-02 07:04:08,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 07:04:08,640 INFO L276 IsEmpty]: Start isEmpty. Operand 12387 states and 17143 transitions. [2018-12-02 07:04:08,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-12-02 07:04:08,658 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:04:08,658 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 07:04:08,658 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:04:08,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:04:08,658 INFO L82 PathProgramCache]: Analyzing trace with hash -285723558, now seen corresponding path program 1 times [2018-12-02 07:04:08,659 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:04:08,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:04:08,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:04:08,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:04:08,659 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:04:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:04:08,850 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 89 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:04:08,850 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:04:08,851 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 07:04:08,851 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 286 with the following transitions: [2018-12-02 07:04:08,851 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [436], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [949], [951], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-02 07:04:08,855 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 07:04:08,855 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 07:04:09,265 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 07:04:09,266 INFO L272 AbstractInterpreter]: Visited 189 different actions 371 times. Merged at 4 different actions 4 times. Never widened. Performed 8329 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8329 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-12-02 07:04:09,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:04:09,267 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 07:04:09,267 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:04:09,267 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f3142326-4165-471d-acda-fe3b63b97624/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 [2018-12-02 07:04:09,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:04:09,273 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 07:04:09,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:04:09,353 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:04:09,392 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:04:09,392 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 07:04:09,453 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:04:09,468 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 07:04:09,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 8 [2018-12-02 07:04:09,468 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:04:09,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 07:04:09,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 07:04:09,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-12-02 07:04:09,469 INFO L87 Difference]: Start difference. First operand 12387 states and 17143 transitions. Second operand 3 states. [2018-12-02 07:04:10,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:04:10,045 INFO L93 Difference]: Finished difference Result 30185 states and 43415 transitions. [2018-12-02 07:04:10,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 07:04:10,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 285 [2018-12-02 07:04:10,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:04:10,081 INFO L225 Difference]: With dead ends: 30185 [2018-12-02 07:04:10,081 INFO L226 Difference]: Without dead ends: 18011 [2018-12-02 07:04:10,095 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 579 GetRequests, 569 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-12-02 07:04:10,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18011 states. [2018-12-02 07:04:10,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18011 to 18008. [2018-12-02 07:04:10,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18008 states. [2018-12-02 07:04:10,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18008 states to 18008 states and 25747 transitions. [2018-12-02 07:04:10,312 INFO L78 Accepts]: Start accepts. Automaton has 18008 states and 25747 transitions. Word has length 285 [2018-12-02 07:04:10,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:04:10,312 INFO L480 AbstractCegarLoop]: Abstraction has 18008 states and 25747 transitions. [2018-12-02 07:04:10,312 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 07:04:10,312 INFO L276 IsEmpty]: Start isEmpty. Operand 18008 states and 25747 transitions. [2018-12-02 07:04:10,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-12-02 07:04:10,345 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:04:10,345 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 07:04:10,345 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:04:10,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:04:10,346 INFO L82 PathProgramCache]: Analyzing trace with hash 98058298, now seen corresponding path program 1 times [2018-12-02 07:04:10,346 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:04:10,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:04:10,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:04:10,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:04:10,346 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:04:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:04:10,622 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 154 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 07:04:10,622 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:04:10,622 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 07:04:10,622 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 339 with the following transitions: [2018-12-02 07:04:10,622 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [24], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [174], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [424], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [949], [951], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-02 07:04:10,627 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 07:04:10,627 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 07:04:10,996 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 07:04:10,996 INFO L272 AbstractInterpreter]: Visited 190 different actions 374 times. Merged at 4 different actions 4 times. Never widened. Performed 8223 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8223 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-12-02 07:04:10,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:04:10,998 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 07:04:11,496 INFO L227 lantSequenceWeakener]: Weakened 335 states. On average, predicates are now at 72.44% of their original sizes. [2018-12-02 07:04:11,496 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 07:04:11,697 INFO L418 sIntCurrentIteration]: We unified 337 AI predicates to 337 [2018-12-02 07:04:11,697 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 07:04:11,697 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 07:04:11,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [9] total 28 [2018-12-02 07:04:11,697 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:04:11,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-12-02 07:04:11,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-12-02 07:04:11,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2018-12-02 07:04:11,698 INFO L87 Difference]: Start difference. First operand 18008 states and 25747 transitions. Second operand 21 states. [2018-12-02 07:04:25,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:04:25,888 INFO L93 Difference]: Finished difference Result 36015 states and 51573 transitions. [2018-12-02 07:04:25,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 07:04:25,888 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 338 [2018-12-02 07:04:25,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:04:25,918 INFO L225 Difference]: With dead ends: 36015 [2018-12-02 07:04:25,918 INFO L226 Difference]: Without dead ends: 18220 [2018-12-02 07:04:25,933 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 346 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=190, Invalid=680, Unknown=0, NotChecked=0, Total=870 [2018-12-02 07:04:25,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18220 states. [2018-12-02 07:04:26,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18220 to 18218. [2018-12-02 07:04:26,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18218 states. [2018-12-02 07:04:26,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18218 states to 18218 states and 25967 transitions. [2018-12-02 07:04:26,118 INFO L78 Accepts]: Start accepts. Automaton has 18218 states and 25967 transitions. Word has length 338 [2018-12-02 07:04:26,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:04:26,118 INFO L480 AbstractCegarLoop]: Abstraction has 18218 states and 25967 transitions. [2018-12-02 07:04:26,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-12-02 07:04:26,119 INFO L276 IsEmpty]: Start isEmpty. Operand 18218 states and 25967 transitions. [2018-12-02 07:04:26,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-12-02 07:04:26,136 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:04:26,136 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 07:04:26,137 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:04:26,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:04:26,137 INFO L82 PathProgramCache]: Analyzing trace with hash -304174482, now seen corresponding path program 1 times [2018-12-02 07:04:26,137 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:04:26,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:04:26,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:04:26,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:04:26,138 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:04:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:04:26,283 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 177 proven. 45 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 07:04:26,283 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:04:26,283 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 07:04:26,283 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 349 with the following transitions: [2018-12-02 07:04:26,283 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [174], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [424], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [949], [951], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-02 07:04:26,286 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 07:04:26,287 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 07:04:26,694 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 07:04:26,694 INFO L272 AbstractInterpreter]: Visited 191 different actions 374 times. Merged at 3 different actions 3 times. Never widened. Performed 8617 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8617 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-12-02 07:04:26,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:04:26,698 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 07:04:26,698 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:04:26,698 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f3142326-4165-471d-acda-fe3b63b97624/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 [2018-12-02 07:04:26,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:04:26,704 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 07:04:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:04:26,814 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:04:26,862 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 221 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 07:04:26,862 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 07:04:26,940 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 221 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 07:04:26,955 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 07:04:26,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-02 07:04:26,955 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 07:04:26,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 07:04:26,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 07:04:26,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-12-02 07:04:26,956 INFO L87 Difference]: Start difference. First operand 18218 states and 25967 transitions. Second operand 9 states. [2018-12-02 07:04:28,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:04:28,411 INFO L93 Difference]: Finished difference Result 48962 states and 75079 transitions. [2018-12-02 07:04:28,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 07:04:28,412 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 348 [2018-12-02 07:04:28,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:04:28,412 INFO L225 Difference]: With dead ends: 48962 [2018-12-02 07:04:28,412 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 07:04:28,456 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 715 GetRequests, 700 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2018-12-02 07:04:28,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 07:04:28,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 07:04:28,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 07:04:28,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 07:04:28,457 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 348 [2018-12-02 07:04:28,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:04:28,457 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 07:04:28,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 07:04:28,457 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 07:04:28,458 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 07:04:28,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 07:04:29,016 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 128 [2018-12-02 07:04:30,069 WARN L180 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 462 DAG size of output: 176 [2018-12-02 07:04:30,310 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 102 [2018-12-02 07:04:30,444 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 102 [2018-12-02 07:04:30,445 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 07:04:30,446 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= |old(~a0~0)| ~a0~0) (= ~a5~0 |old(~a5~0)|)) [2018-12-02 07:04:30,446 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 07:04:30,446 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2018-12-02 07:04:30,446 INFO L448 ceAbstractionStarter]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2018-12-02 07:04:30,446 INFO L448 ceAbstractionStarter]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,446 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,446 INFO L448 ceAbstractionStarter]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,446 INFO L448 ceAbstractionStarter]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,446 INFO L448 ceAbstractionStarter]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,446 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,446 INFO L448 ceAbstractionStarter]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,446 INFO L448 ceAbstractionStarter]: For program point L1623(line 1623) no Hoare annotation was computed. [2018-12-02 07:04:30,446 INFO L448 ceAbstractionStarter]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,446 INFO L448 ceAbstractionStarter]: For program point L1557(line 1557) no Hoare annotation was computed. [2018-12-02 07:04:30,446 INFO L448 ceAbstractionStarter]: For program point L1491(line 1491) no Hoare annotation was computed. [2018-12-02 07:04:30,446 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,446 INFO L448 ceAbstractionStarter]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,446 INFO L448 ceAbstractionStarter]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,446 INFO L448 ceAbstractionStarter]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,446 INFO L448 ceAbstractionStarter]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2018-12-02 07:04:30,446 INFO L448 ceAbstractionStarter]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2018-12-02 07:04:30,446 INFO L448 ceAbstractionStarter]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,446 INFO L448 ceAbstractionStarter]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,446 INFO L448 ceAbstractionStarter]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,447 INFO L448 ceAbstractionStarter]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,447 INFO L448 ceAbstractionStarter]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,447 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,447 INFO L448 ceAbstractionStarter]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,447 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,447 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,447 INFO L448 ceAbstractionStarter]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,447 INFO L448 ceAbstractionStarter]: For program point L1626(line 1626) no Hoare annotation was computed. [2018-12-02 07:04:30,447 INFO L448 ceAbstractionStarter]: For program point L1560(line 1560) no Hoare annotation was computed. [2018-12-02 07:04:30,447 INFO L448 ceAbstractionStarter]: For program point L1494(line 1494) no Hoare annotation was computed. [2018-12-02 07:04:30,447 INFO L448 ceAbstractionStarter]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,447 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,447 INFO L448 ceAbstractionStarter]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,447 INFO L448 ceAbstractionStarter]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,447 INFO L448 ceAbstractionStarter]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,447 INFO L448 ceAbstractionStarter]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,447 INFO L448 ceAbstractionStarter]: For program point L1629(line 1629) no Hoare annotation was computed. [2018-12-02 07:04:30,447 INFO L448 ceAbstractionStarter]: For program point L1563(line 1563) no Hoare annotation was computed. [2018-12-02 07:04:30,447 INFO L448 ceAbstractionStarter]: For program point L1497(line 1497) no Hoare annotation was computed. [2018-12-02 07:04:30,447 INFO L448 ceAbstractionStarter]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,447 INFO L448 ceAbstractionStarter]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,447 INFO L448 ceAbstractionStarter]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,447 INFO L448 ceAbstractionStarter]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,447 INFO L448 ceAbstractionStarter]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,447 INFO L448 ceAbstractionStarter]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,447 INFO L448 ceAbstractionStarter]: For program point L1632(line 1632) no Hoare annotation was computed. [2018-12-02 07:04:30,448 INFO L448 ceAbstractionStarter]: For program point L1566(line 1566) no Hoare annotation was computed. [2018-12-02 07:04:30,448 INFO L448 ceAbstractionStarter]: For program point L1500(line 1500) no Hoare annotation was computed. [2018-12-02 07:04:30,448 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,448 INFO L448 ceAbstractionStarter]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,448 INFO L448 ceAbstractionStarter]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,448 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 395) no Hoare annotation was computed. [2018-12-02 07:04:30,448 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,448 INFO L448 ceAbstractionStarter]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2018-12-02 07:04:30,448 INFO L448 ceAbstractionStarter]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,448 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,448 INFO L448 ceAbstractionStarter]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2018-12-02 07:04:30,448 INFO L448 ceAbstractionStarter]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2018-12-02 07:04:30,448 INFO L448 ceAbstractionStarter]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,448 INFO L448 ceAbstractionStarter]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,448 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,448 INFO L448 ceAbstractionStarter]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,448 INFO L448 ceAbstractionStarter]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,448 INFO L448 ceAbstractionStarter]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,448 INFO L448 ceAbstractionStarter]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,448 INFO L448 ceAbstractionStarter]: For program point L710(lines 710 731) no Hoare annotation was computed. [2018-12-02 07:04:30,448 INFO L448 ceAbstractionStarter]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2018-12-02 07:04:30,448 INFO L448 ceAbstractionStarter]: For program point L1635(line 1635) no Hoare annotation was computed. [2018-12-02 07:04:30,448 INFO L448 ceAbstractionStarter]: For program point L1569(line 1569) no Hoare annotation was computed. [2018-12-02 07:04:30,448 INFO L448 ceAbstractionStarter]: For program point L1503(line 1503) no Hoare annotation was computed. [2018-12-02 07:04:30,448 INFO L448 ceAbstractionStarter]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,448 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,449 INFO L448 ceAbstractionStarter]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,449 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1572) no Hoare annotation was computed. [2018-12-02 07:04:30,449 INFO L448 ceAbstractionStarter]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,449 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,449 INFO L448 ceAbstractionStarter]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,449 INFO L448 ceAbstractionStarter]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,449 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,449 INFO L448 ceAbstractionStarter]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,449 INFO L448 ceAbstractionStarter]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,449 INFO L448 ceAbstractionStarter]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,449 INFO L448 ceAbstractionStarter]: For program point L1638(line 1638) no Hoare annotation was computed. [2018-12-02 07:04:30,449 INFO L448 ceAbstractionStarter]: For program point L1572(line 1572) no Hoare annotation was computed. [2018-12-02 07:04:30,449 INFO L448 ceAbstractionStarter]: For program point L1506(line 1506) no Hoare annotation was computed. [2018-12-02 07:04:30,449 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,449 INFO L448 ceAbstractionStarter]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,449 INFO L448 ceAbstractionStarter]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,449 INFO L448 ceAbstractionStarter]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,449 INFO L448 ceAbstractionStarter]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,449 INFO L448 ceAbstractionStarter]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,449 INFO L448 ceAbstractionStarter]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,449 INFO L448 ceAbstractionStarter]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,449 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,449 INFO L448 ceAbstractionStarter]: For program point L1641(line 1641) no Hoare annotation was computed. [2018-12-02 07:04:30,449 INFO L448 ceAbstractionStarter]: For program point L1575(line 1575) no Hoare annotation was computed. [2018-12-02 07:04:30,449 INFO L448 ceAbstractionStarter]: For program point L1509(line 1509) no Hoare annotation was computed. [2018-12-02 07:04:30,450 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 71) no Hoare annotation was computed. [2018-12-02 07:04:30,450 INFO L448 ceAbstractionStarter]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2018-12-02 07:04:30,450 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,450 INFO L448 ceAbstractionStarter]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,450 INFO L448 ceAbstractionStarter]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,450 INFO L448 ceAbstractionStarter]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,450 INFO L448 ceAbstractionStarter]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,450 INFO L448 ceAbstractionStarter]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,450 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,450 INFO L448 ceAbstractionStarter]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,450 INFO L448 ceAbstractionStarter]: For program point L1644(line 1644) no Hoare annotation was computed. [2018-12-02 07:04:30,450 INFO L448 ceAbstractionStarter]: For program point L1578(line 1578) no Hoare annotation was computed. [2018-12-02 07:04:30,450 INFO L448 ceAbstractionStarter]: For program point L1512(line 1512) no Hoare annotation was computed. [2018-12-02 07:04:30,450 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,450 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,450 INFO L448 ceAbstractionStarter]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,450 INFO L448 ceAbstractionStarter]: For program point L918(lines 918 935) no Hoare annotation was computed. [2018-12-02 07:04:30,450 INFO L448 ceAbstractionStarter]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2018-12-02 07:04:30,450 INFO L448 ceAbstractionStarter]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,451 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 54 1650) the Hoare annotation is: (let ((.cse14 (not (= 1 |old(~a27~0)|)))) (let ((.cse0 (< 0 |old(~a6~0)|)) (.cse5 (let ((.cse45 (not (= 1 |old(~a10~0)|))) (.cse46 (not (= 1 |old(~a22~0)|))) (.cse47 (not (= 0 |old(~a11~0)|))) (.cse48 (not (= 1 |old(~a16~0)|))) (.cse49 (not (= 1 ~a18~0))) (.cse50 (not (= 0 |old(~a26~0)|))) (.cse51 (not (= 1 |old(~a1~0)|))) (.cse52 (not (= 0 |old(~a2~0)|))) (.cse53 (not (= 0 |old(~a12~0)|))) (.cse54 (not (= 0 |old(~a25~0)|))) (.cse55 (not (= 0 |old(~a7~0)|)))) (and (or .cse45 .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse52 .cse53 .cse54 .cse55 .cse14) (or .cse45 (not (= 0 |old(~a27~0)|)) .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse52 .cse53 .cse54 .cse55)))) (.cse6 (not (= 0 |old(~a6~0)|))) (.cse7 (not (= 1 |old(~a15~0)|))) (.cse35 (= ~a19~0 0)) (.cse20 (= ~a4~0 1)) (.cse36 (= ~a8~0 0)) (.cse21 (= ~a16~0 1)) (.cse22 (= ~a15~0 1)) (.cse23 (= ~a26~0 0)) (.cse24 (= ~a11~0 0)) (.cse25 (= ~a17~0 0)) (.cse26 (= ~a20~0 0)) (.cse27 (= ~a25~0 0)) (.cse28 (= ~a23~0 0)) (.cse29 (= ~a22~0 1)) (.cse30 (= ~a1~0 1)) (.cse31 (= ~a29~0 1)) (.cse32 (= ~a6~0 0)) (.cse33 (= ~a14~0 0)) (.cse34 (= ~a3~0 1)) (.cse37 (= ~a7~0 0)) (.cse38 (= ~a10~0 1)) (.cse39 (= ~a2~0 0)) (.cse8 (not (= 0 |old(~a20~0)|))) (.cse9 (not (= 0 |old(~a23~0)|))) (.cse10 (not (= 1 |old(~a0~0)|))) (.cse11 (not (= 0 |old(~a19~0)|))) (.cse12 (not (= 1 |old(~a29~0)|))) (.cse13 (= |calculate_output_#in~input| 0)) (.cse15 (not (= 0 |old(~a8~0)|))) (.cse16 (not (= 0 |old(~a14~0)|))) (.cse17 (not (= 1 |old(~a3~0)|))) (.cse18 (not (= 0 |old(~a17~0)|))) (.cse19 (not (= 1 |old(~a4~0)|))) (.cse42 (< |old(~a3~0)| 2)) (.cse43 (= 1 |old(~a11~0)|)) (.cse41 (<= ~a27~0 0)) (.cse40 (< 0 |old(~a27~0)|)) (.cse4 (not (= 1 |old(~a5~0)|))) (.cse44 (not (= 1 |old(~a26~0)|))) (.cse1 (= ~a12~0 |old(~a12~0)|)) (.cse2 (= |old(~a0~0)| ~a0~0)) (.cse3 (= ~a5~0 |old(~a5~0)|))) (and (or .cse0 (and .cse1 .cse2 (<= ~a6~0 0) .cse3) .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse4 .cse19 (and .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 (= ~a27~0 1) .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39)) (or .cse4 (and .cse1 (<= ~a3~0 0) .cse2 .cse3) (< 0 |old(~a3~0)|)) (or (not (= 1 |old(~a12~0)|)) .cse4 .cse40 (and .cse2 .cse3 (= 1 ~a12~0) .cse41)) (or .cse0 .cse4 .cse40 .cse42 .cse41) (or .cse5 .cse6 .cse7 (and (and .cse35 .cse20 .cse36 .cse21 .cse22 .cse23 .cse24 (= ~a27~0 0) .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34) .cse37 .cse38 .cse39) .cse8 .cse9 .cse10 .cse11 .cse12 .cse40 .cse13 .cse15 .cse16 .cse17 .cse18 .cse4 .cse19) (or .cse43 .cse4 (and .cse1 .cse2 .cse3 (not (= ~a11~0 1)))) (or .cse4 .cse42 (and .cse1 .cse2 (<= 2 ~a3~0) .cse3)) (or .cse41 .cse43 .cse4 .cse40) (or .cse41 .cse4 .cse44 .cse40) (or .cse4 .cse44 (and .cse1 .cse2 .cse3 (= 1 ~a26~0)))))) [2018-12-02 07:04:30,451 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,451 INFO L448 ceAbstractionStarter]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,451 INFO L448 ceAbstractionStarter]: For program point L192(lines 192 211) no Hoare annotation was computed. [2018-12-02 07:04:30,451 INFO L448 ceAbstractionStarter]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,451 INFO L448 ceAbstractionStarter]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2018-12-02 07:04:30,451 INFO L448 ceAbstractionStarter]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,451 INFO L448 ceAbstractionStarter]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2018-12-02 07:04:30,451 INFO L448 ceAbstractionStarter]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,451 INFO L448 ceAbstractionStarter]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,451 INFO L448 ceAbstractionStarter]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2018-12-02 07:04:30,451 INFO L448 ceAbstractionStarter]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2018-12-02 07:04:30,451 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2018-12-02 07:04:30,451 INFO L448 ceAbstractionStarter]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2018-12-02 07:04:30,451 INFO L448 ceAbstractionStarter]: For program point L1647(line 1647) no Hoare annotation was computed. [2018-12-02 07:04:30,451 INFO L448 ceAbstractionStarter]: For program point L1581(line 1581) no Hoare annotation was computed. [2018-12-02 07:04:30,451 INFO L448 ceAbstractionStarter]: For program point L1515(line 1515) no Hoare annotation was computed. [2018-12-02 07:04:30,451 INFO L448 ceAbstractionStarter]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,451 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,451 INFO L448 ceAbstractionStarter]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,451 INFO L448 ceAbstractionStarter]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,451 INFO L448 ceAbstractionStarter]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,451 INFO L448 ceAbstractionStarter]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,452 INFO L448 ceAbstractionStarter]: For program point L1584(line 1584) no Hoare annotation was computed. [2018-12-02 07:04:30,452 INFO L448 ceAbstractionStarter]: For program point L1518(line 1518) no Hoare annotation was computed. [2018-12-02 07:04:30,452 INFO L448 ceAbstractionStarter]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,452 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,452 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,452 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,452 INFO L448 ceAbstractionStarter]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,452 INFO L448 ceAbstractionStarter]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,452 INFO L448 ceAbstractionStarter]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,452 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,452 INFO L448 ceAbstractionStarter]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,452 INFO L448 ceAbstractionStarter]: For program point L1587(line 1587) no Hoare annotation was computed. [2018-12-02 07:04:30,452 INFO L448 ceAbstractionStarter]: For program point L1521(line 1521) no Hoare annotation was computed. [2018-12-02 07:04:30,452 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,452 INFO L448 ceAbstractionStarter]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,452 INFO L448 ceAbstractionStarter]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,452 INFO L448 ceAbstractionStarter]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,452 INFO L448 ceAbstractionStarter]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,452 INFO L448 ceAbstractionStarter]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,452 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,452 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,452 INFO L448 ceAbstractionStarter]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,452 INFO L448 ceAbstractionStarter]: For program point L1590(line 1590) no Hoare annotation was computed. [2018-12-02 07:04:30,452 INFO L448 ceAbstractionStarter]: For program point L1524(line 1524) no Hoare annotation was computed. [2018-12-02 07:04:30,452 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,452 INFO L448 ceAbstractionStarter]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,452 INFO L448 ceAbstractionStarter]: For program point L468(lines 468 478) no Hoare annotation was computed. [2018-12-02 07:04:30,453 INFO L448 ceAbstractionStarter]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2018-12-02 07:04:30,453 INFO L448 ceAbstractionStarter]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,453 INFO L448 ceAbstractionStarter]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,453 INFO L448 ceAbstractionStarter]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,453 INFO L448 ceAbstractionStarter]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,453 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,453 INFO L448 ceAbstractionStarter]: For program point L1593(line 1593) no Hoare annotation was computed. [2018-12-02 07:04:30,453 INFO L448 ceAbstractionStarter]: For program point L1527(line 1527) no Hoare annotation was computed. [2018-12-02 07:04:30,453 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,453 INFO L448 ceAbstractionStarter]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,453 INFO L448 ceAbstractionStarter]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,453 INFO L448 ceAbstractionStarter]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,453 INFO L448 ceAbstractionStarter]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,453 INFO L448 ceAbstractionStarter]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,453 INFO L448 ceAbstractionStarter]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,453 INFO L448 ceAbstractionStarter]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,453 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 887) no Hoare annotation was computed. [2018-12-02 07:04:30,453 INFO L448 ceAbstractionStarter]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2018-12-02 07:04:30,453 INFO L448 ceAbstractionStarter]: For program point L1596(line 1596) no Hoare annotation was computed. [2018-12-02 07:04:30,453 INFO L448 ceAbstractionStarter]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,453 INFO L448 ceAbstractionStarter]: For program point L1530(line 1530) no Hoare annotation was computed. [2018-12-02 07:04:30,453 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,453 INFO L448 ceAbstractionStarter]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,453 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,453 INFO L448 ceAbstractionStarter]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,453 INFO L448 ceAbstractionStarter]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,454 INFO L448 ceAbstractionStarter]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,454 INFO L448 ceAbstractionStarter]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,454 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2018-12-02 07:04:30,454 INFO L448 ceAbstractionStarter]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,454 INFO L448 ceAbstractionStarter]: For program point L1599(line 1599) no Hoare annotation was computed. [2018-12-02 07:04:30,454 INFO L448 ceAbstractionStarter]: For program point L1533(line 1533) no Hoare annotation was computed. [2018-12-02 07:04:30,454 INFO L448 ceAbstractionStarter]: For program point L1467(line 1467) no Hoare annotation was computed. [2018-12-02 07:04:30,454 INFO L448 ceAbstractionStarter]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,454 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,454 INFO L448 ceAbstractionStarter]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,454 INFO L448 ceAbstractionStarter]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,454 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,454 INFO L448 ceAbstractionStarter]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,454 INFO L448 ceAbstractionStarter]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,454 INFO L448 ceAbstractionStarter]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,454 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2018-12-02 07:04:30,454 INFO L448 ceAbstractionStarter]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2018-12-02 07:04:30,454 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,454 INFO L448 ceAbstractionStarter]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,454 INFO L448 ceAbstractionStarter]: For program point L1602(line 1602) no Hoare annotation was computed. [2018-12-02 07:04:30,454 INFO L448 ceAbstractionStarter]: For program point L1536(line 1536) no Hoare annotation was computed. [2018-12-02 07:04:30,454 INFO L448 ceAbstractionStarter]: For program point L1470(line 1470) no Hoare annotation was computed. [2018-12-02 07:04:30,454 INFO L448 ceAbstractionStarter]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,454 INFO L448 ceAbstractionStarter]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,454 INFO L448 ceAbstractionStarter]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,454 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,454 INFO L448 ceAbstractionStarter]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,455 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,455 INFO L448 ceAbstractionStarter]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,455 INFO L448 ceAbstractionStarter]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,455 INFO L448 ceAbstractionStarter]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,455 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,455 INFO L448 ceAbstractionStarter]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,455 INFO L448 ceAbstractionStarter]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,455 INFO L448 ceAbstractionStarter]: For program point L1605(line 1605) no Hoare annotation was computed. [2018-12-02 07:04:30,455 INFO L448 ceAbstractionStarter]: For program point L1539(line 1539) no Hoare annotation was computed. [2018-12-02 07:04:30,455 INFO L448 ceAbstractionStarter]: For program point L1473(line 1473) no Hoare annotation was computed. [2018-12-02 07:04:30,455 INFO L448 ceAbstractionStarter]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,455 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,455 INFO L448 ceAbstractionStarter]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,455 INFO L448 ceAbstractionStarter]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,455 INFO L448 ceAbstractionStarter]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,455 INFO L448 ceAbstractionStarter]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,455 INFO L448 ceAbstractionStarter]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,455 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2018-12-02 07:04:30,455 INFO L448 ceAbstractionStarter]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2018-12-02 07:04:30,455 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,455 INFO L448 ceAbstractionStarter]: For program point L1608(line 1608) no Hoare annotation was computed. [2018-12-02 07:04:30,455 INFO L448 ceAbstractionStarter]: For program point L1542(line 1542) no Hoare annotation was computed. [2018-12-02 07:04:30,455 INFO L448 ceAbstractionStarter]: For program point L1476(line 1476) no Hoare annotation was computed. [2018-12-02 07:04:30,455 INFO L448 ceAbstractionStarter]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,455 INFO L448 ceAbstractionStarter]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,455 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,456 INFO L448 ceAbstractionStarter]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,456 INFO L448 ceAbstractionStarter]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,456 INFO L448 ceAbstractionStarter]: For program point L685(lines 685 699) no Hoare annotation was computed. [2018-12-02 07:04:30,456 INFO L448 ceAbstractionStarter]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2018-12-02 07:04:30,456 INFO L448 ceAbstractionStarter]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,456 INFO L448 ceAbstractionStarter]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,456 INFO L448 ceAbstractionStarter]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,456 INFO L448 ceAbstractionStarter]: For program point L1611(line 1611) no Hoare annotation was computed. [2018-12-02 07:04:30,456 INFO L448 ceAbstractionStarter]: For program point L1545(line 1545) no Hoare annotation was computed. [2018-12-02 07:04:30,456 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,456 INFO L448 ceAbstractionStarter]: For program point L1479(line 1479) no Hoare annotation was computed. [2018-12-02 07:04:30,456 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,456 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,456 INFO L448 ceAbstractionStarter]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,456 INFO L448 ceAbstractionStarter]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,456 INFO L448 ceAbstractionStarter]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,456 INFO L448 ceAbstractionStarter]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,456 INFO L448 ceAbstractionStarter]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,456 INFO L448 ceAbstractionStarter]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,456 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,456 INFO L448 ceAbstractionStarter]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,456 INFO L448 ceAbstractionStarter]: For program point L1614(line 1614) no Hoare annotation was computed. [2018-12-02 07:04:30,456 INFO L448 ceAbstractionStarter]: For program point L1548(line 1548) no Hoare annotation was computed. [2018-12-02 07:04:30,456 INFO L448 ceAbstractionStarter]: For program point L1482(line 1482) no Hoare annotation was computed. [2018-12-02 07:04:30,456 INFO L448 ceAbstractionStarter]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,456 INFO L448 ceAbstractionStarter]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2018-12-02 07:04:30,457 INFO L448 ceAbstractionStarter]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2018-12-02 07:04:30,457 INFO L448 ceAbstractionStarter]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,457 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,457 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,457 INFO L448 ceAbstractionStarter]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,457 INFO L448 ceAbstractionStarter]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,457 INFO L448 ceAbstractionStarter]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,457 INFO L448 ceAbstractionStarter]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,457 INFO L448 ceAbstractionStarter]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,457 INFO L448 ceAbstractionStarter]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,457 INFO L448 ceAbstractionStarter]: For program point L1617(line 1617) no Hoare annotation was computed. [2018-12-02 07:04:30,457 INFO L448 ceAbstractionStarter]: For program point L1551(line 1551) no Hoare annotation was computed. [2018-12-02 07:04:30,457 INFO L448 ceAbstractionStarter]: For program point L1485(line 1485) no Hoare annotation was computed. [2018-12-02 07:04:30,457 INFO L448 ceAbstractionStarter]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,457 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,457 INFO L448 ceAbstractionStarter]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,457 INFO L448 ceAbstractionStarter]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,457 INFO L448 ceAbstractionStarter]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2018-12-02 07:04:30,457 INFO L448 ceAbstractionStarter]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,457 INFO L448 ceAbstractionStarter]: For program point L1620(line 1620) no Hoare annotation was computed. [2018-12-02 07:04:30,457 INFO L448 ceAbstractionStarter]: For program point L1554(line 1554) no Hoare annotation was computed. [2018-12-02 07:04:30,457 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,457 INFO L448 ceAbstractionStarter]: For program point L1488(line 1488) no Hoare annotation was computed. [2018-12-02 07:04:30,457 INFO L448 ceAbstractionStarter]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2018-12-02 07:04:30,457 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 07:04:30,458 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a12~0 0) (= ~a4~0 1) (= ~a16~0 1) (= ~a15~0 1) (= ~a0~0 1) (= ~a26~0 0) (= ~a11~0 0) (= ~a17~0 0) (= ~a20~0 0) (= ~a25~0 0) (= ~a27~0 1) (= ~a23~0 0) (= ~a22~0 1) (= ~a1~0 1) (= ~a29~0 1) (= ~a6~0 0) (= ~a14~0 0) (= ~a3~0 1) (= ~a19~0 0) (= ~a18~0 1) (= ~a8~0 0) (= ~a5~0 1) (= ~a7~0 0) (= ~a10~0 1) (= ~a2~0 0)) [2018-12-02 07:04:30,458 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 07:04:30,458 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 07:04:30,458 INFO L448 ceAbstractionStarter]: For program point L1666-1(line 1666) no Hoare annotation was computed. [2018-12-02 07:04:30,458 INFO L448 ceAbstractionStarter]: For program point L1663(line 1663) no Hoare annotation was computed. [2018-12-02 07:04:30,458 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1652 1669) the Hoare annotation is: (or (and (= ~a12~0 0) (= ~a4~0 1) (= ~a16~0 1) (= ~a15~0 1) (= ~a26~0 0) (= ~a11~0 0) (= ~a17~0 0) (= ~a20~0 0) (= ~a25~0 0) (= ~a27~0 1) (= ~a23~0 0) (= ~a22~0 1) (= ~a1~0 1) (= ~a29~0 1) (= ~a6~0 0) (= ~a14~0 0) (= ~a3~0 1) (= ~a19~0 0) (= |old(~a0~0)| ~a0~0) (= ~a8~0 0) (= ~a5~0 1) (= ~a7~0 0) (= ~a10~0 1) (= ~a2~0 0)) (or (not (= 1 |old(~a10~0)|)) (not (= 1 |old(~a22~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a16~0)|)) (not (= 1 ~a18~0)) (not (= 0 |old(~a26~0)|)) (not (= 1 |old(~a1~0)|)) (not (= 0 |old(~a2~0)|)) (not (= 0 |old(~a12~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 0 |old(~a7~0)|))) (not (= 0 |old(~a6~0)|)) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 0 |old(~a19~0)|)) (not (= 1 |old(~a29~0)|)) (not (= 1 |old(~a27~0)|)) (not (= 0 |old(~a8~0)|)) (not (= 0 |old(~a14~0)|)) (not (= 1 |old(~a3~0)|)) (not (= 0 |old(~a17~0)|)) (not (= 1 |old(~a5~0)|)) (not (= 1 |old(~a4~0)|))) [2018-12-02 07:04:30,458 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1652 1669) no Hoare annotation was computed. [2018-12-02 07:04:30,458 INFO L444 ceAbstractionStarter]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (let ((.cse0 (= ~a5~0 |old(~a5~0)|))) (or (and (<= 2 ~a3~0) .cse0) (and .cse0 (= 1 ~a26~0)) (and .cse0 (not (= ~a11~0 1))) (or (not (= 1 |old(~a10~0)|)) (not (= 1 |old(~a22~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a16~0)|)) (not (= 1 ~a18~0)) (not (= 0 |old(~a26~0)|)) (not (= 1 |old(~a1~0)|)) (not (= 0 |old(~a2~0)|)) (not (= 0 |old(~a12~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 0 |old(~a7~0)|))) (not (= 0 |old(~a6~0)|)) (and (<= ~a6~0 0) .cse0) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 0 |old(~a19~0)|)) (not (= 1 |old(~a29~0)|)) (and .cse0 (= 1 ~a12~0) (<= ~a27~0 0)) (not (= 1 |old(~a27~0)|)) (not (= 0 |old(~a8~0)|)) (and (<= ~a3~0 0) .cse0) (not (= 0 |old(~a14~0)|)) (not (= 1 |old(~a3~0)|)) (not (= 0 |old(~a17~0)|)) (not (= 1 |old(~a5~0)|)) (not (= 1 |old(~a4~0)|)))) [2018-12-02 07:04:30,458 INFO L448 ceAbstractionStarter]: For program point L1658-3(lines 1652 1669) no Hoare annotation was computed. [2018-12-02 07:04:30,458 INFO L444 ceAbstractionStarter]: At program point L1666(line 1666) the Hoare annotation is: (let ((.cse0 (= ~a5~0 |old(~a5~0)|))) (or (and (<= 2 ~a3~0) .cse0) (and .cse0 (= 1 ~a26~0)) (and .cse0 (not (= ~a11~0 1))) (or (not (= 1 |old(~a10~0)|)) (not (= 1 |old(~a22~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a16~0)|)) (not (= 1 ~a18~0)) (not (= 0 |old(~a26~0)|)) (not (= 1 |old(~a1~0)|)) (not (= 0 |old(~a2~0)|)) (not (= 0 |old(~a12~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 0 |old(~a7~0)|))) (not (= 0 |old(~a6~0)|)) (and (<= ~a6~0 0) .cse0) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 0 |old(~a19~0)|)) (not (= 1 |old(~a29~0)|)) (and .cse0 (= 1 ~a12~0) (<= ~a27~0 0)) (not (= 1 |old(~a27~0)|)) (not (= 0 |old(~a8~0)|)) (and (<= ~a3~0 0) .cse0) (not (= 0 |old(~a14~0)|)) (not (= 1 |old(~a3~0)|)) (not (= 0 |old(~a17~0)|)) (not (= 1 |old(~a5~0)|)) (not (= 1 |old(~a4~0)|)))) [2018-12-02 07:04:30,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:04:30 BoogieIcfgContainer [2018-12-02 07:04:30,466 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 07:04:30,467 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 07:04:30,467 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 07:04:30,467 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 07:04:30,467 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:03:48" (3/4) ... [2018-12-02 07:04:30,469 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 07:04:30,473 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 07:04:30,473 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 07:04:30,473 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 07:04:30,485 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 07:04:30,486 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 07:04:30,504 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((2 <= a3 && a5 == \old(a5)) || (a5 == \old(a5) && 1 == a26)) || (a5 == \old(a5) && !(a11 == 1))) || (((((((((!(1 == \old(a10)) || !(1 == \old(a22))) || !(0 == \old(a11))) || !(1 == \old(a16))) || !(1 == a18)) || !(0 == \old(a26))) || !(1 == \old(a1))) || !(0 == \old(a2))) || !(0 == \old(a12))) || !(0 == \old(a25))) || !(0 == \old(a7))) || !(0 == \old(a6))) || (a6 <= 0 && a5 == \old(a5))) || !(1 == \old(a15))) || !(0 == \old(a20))) || !(0 == \old(a23))) || !(1 == \old(a0))) || !(0 == \old(a19))) || !(1 == \old(a29))) || ((a5 == \old(a5) && 1 == a12) && a27 <= 0)) || !(1 == \old(a27))) || !(0 == \old(a8))) || (a3 <= 0 && a5 == \old(a5))) || !(0 == \old(a14))) || !(1 == \old(a3))) || !(0 == \old(a17))) || !(1 == \old(a5))) || !(1 == \old(a4)) [2018-12-02 07:04:30,585 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f3142326-4165-471d-acda-fe3b63b97624/bin-2019/utaipan/witness.graphml [2018-12-02 07:04:30,585 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 07:04:30,585 INFO L168 Benchmark]: Toolchain (without parser) took 43851.25 ms. Allocated memory was 1.0 GB in the beginning and 4.0 GB in the end (delta: 2.9 GB). Free memory was 947.0 MB in the beginning and 3.2 GB in the end (delta: -2.2 GB). Peak memory consumption was 705.1 MB. Max. memory is 11.5 GB. [2018-12-02 07:04:30,586 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 07:04:30,586 INFO L168 Benchmark]: CACSL2BoogieTranslator took 548.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 69.3 MB. Max. memory is 11.5 GB. [2018-12-02 07:04:30,586 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 07:04:30,586 INFO L168 Benchmark]: Boogie Preprocessor took 67.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-12-02 07:04:30,587 INFO L168 Benchmark]: RCFGBuilder took 1127.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 834.3 MB in the end (delta: 251.5 MB). Peak memory consumption was 251.5 MB. Max. memory is 11.5 GB. [2018-12-02 07:04:30,587 INFO L168 Benchmark]: TraceAbstraction took 41955.02 ms. Allocated memory was 1.2 GB in the beginning and 4.0 GB in the end (delta: 2.8 GB). Free memory was 834.3 MB in the beginning and 3.2 GB in the end (delta: -2.4 GB). Peak memory consumption was 3.1 GB. Max. memory is 11.5 GB. [2018-12-02 07:04:30,587 INFO L168 Benchmark]: Witness Printer took 118.14 ms. Allocated memory is still 4.0 GB. Free memory was 3.2 GB in the beginning and 3.2 GB in the end (delta: 57.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 11.5 GB. [2018-12-02 07:04:30,588 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 548.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 69.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1127.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 834.3 MB in the end (delta: 251.5 MB). Peak memory consumption was 251.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 41955.02 ms. Allocated memory was 1.2 GB in the beginning and 4.0 GB in the end (delta: 2.8 GB). Free memory was 834.3 MB in the beginning and 3.2 GB in the end (delta: -2.4 GB). Peak memory consumption was 3.1 GB. Max. memory is 11.5 GB. * Witness Printer took 118.14 ms. Allocated memory is still 4.0 GB. Free memory was 3.2 GB in the beginning and 3.2 GB in the end (delta: 57.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1572]: 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: 1658]: Loop Invariant Derived loop invariant: ((((((((((((((((((((2 <= a3 && a5 == \old(a5)) || (a5 == \old(a5) && 1 == a26)) || (a5 == \old(a5) && !(a11 == 1))) || (((((((((!(1 == \old(a10)) || !(1 == \old(a22))) || !(0 == \old(a11))) || !(1 == \old(a16))) || !(1 == a18)) || !(0 == \old(a26))) || !(1 == \old(a1))) || !(0 == \old(a2))) || !(0 == \old(a12))) || !(0 == \old(a25))) || !(0 == \old(a7))) || !(0 == \old(a6))) || (a6 <= 0 && a5 == \old(a5))) || !(1 == \old(a15))) || !(0 == \old(a20))) || !(0 == \old(a23))) || !(1 == \old(a0))) || !(0 == \old(a19))) || !(1 == \old(a29))) || ((a5 == \old(a5) && 1 == a12) && a27 <= 0)) || !(1 == \old(a27))) || !(0 == \old(a8))) || (a3 <= 0 && a5 == \old(a5))) || !(0 == \old(a14))) || !(1 == \old(a3))) || !(0 == \old(a17))) || !(1 == \old(a5))) || !(1 == \old(a4)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 311 locations, 1 error locations. SAFE Result, 41.8s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 31.3s AutomataDifference, 0.0s DeadEndRemovalTime, 1.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2390 SDtfs, 5779 SDslu, 1020 SDs, 0 SdLazy, 10907 SolverSat, 1559 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.5s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 3292 GetRequests, 3194 SyntacticMatches, 13 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18218occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.3s AbstIntTime, 7 AbstIntIterations, 2 AbstIntStrong, 0.9990805571379417 AbsIntWeakeningRatio, 0.2381818181818182 AbsIntAvgWeakeningVarsNumRemoved, 59.47636363636364 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 99 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 562 PreInvPairs, 1078 NumberOfFragments, 1193 HoareAnnotationTreeSize, 562 FomulaSimplifications, 19360 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7461 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 3798 NumberOfCodeBlocks, 3798 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 5113 ConstructedInterpolants, 0 QuantifiedInterpolants, 3482608 SizeOfPredicates, 8 NumberOfNonLiveVariables, 5419 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 20 InterpolantComputations, 11 PerfectInterpolantSequences, 1709/1827 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...