./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label36_true-unreach-call_false-termination.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_f257c72f-339b-4e80-9212-5d2655bdd837/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f257c72f-339b-4e80-9212-5d2655bdd837/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f257c72f-339b-4e80-9212-5d2655bdd837/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f257c72f-339b-4e80-9212-5d2655bdd837/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label36_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f257c72f-339b-4e80-9212-5d2655bdd837/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f257c72f-339b-4e80-9212-5d2655bdd837/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 9fc45ae4ddf84075a39a55d475a45c859aa435e6 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 20:47:52,668 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 20:47:52,669 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 20:47:52,675 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 20:47:52,675 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 20:47:52,676 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 20:47:52,677 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 20:47:52,677 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 20:47:52,678 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 20:47:52,679 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 20:47:52,679 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 20:47:52,679 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 20:47:52,680 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 20:47:52,680 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 20:47:52,681 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 20:47:52,681 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 20:47:52,682 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 20:47:52,683 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 20:47:52,684 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 20:47:52,684 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 20:47:52,685 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 20:47:52,686 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 20:47:52,687 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 20:47:52,687 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 20:47:52,687 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 20:47:52,688 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 20:47:52,688 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 20:47:52,689 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 20:47:52,689 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 20:47:52,690 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 20:47:52,690 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 20:47:52,691 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 20:47:52,691 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 20:47:52,691 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 20:47:52,691 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 20:47:52,692 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 20:47:52,692 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f257c72f-339b-4e80-9212-5d2655bdd837/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 20:47:52,699 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 20:47:52,700 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 20:47:52,700 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 20:47:52,700 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 20:47:52,700 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 20:47:52,700 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 20:47:52,701 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 20:47:52,701 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 20:47:52,701 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 20:47:52,701 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 20:47:52,701 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 20:47:52,701 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 20:47:52,701 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 20:47:52,702 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 20:47:52,702 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 20:47:52,702 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 20:47:52,702 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 20:47:52,702 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 20:47:52,702 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 20:47:52,702 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 20:47:52,703 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 20:47:52,703 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 20:47:52,703 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 20:47:52,703 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 20:47:52,703 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 20:47:52,703 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 20:47:52,703 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 20:47:52,703 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 20:47:52,704 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 20:47:52,704 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 20:47:52,704 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 20:47:52,704 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 20:47:52,704 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 20:47:52,704 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 20:47:52,704 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 20:47:52,704 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 20:47:52,705 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_f257c72f-339b-4e80-9212-5d2655bdd837/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 -> 9fc45ae4ddf84075a39a55d475a45c859aa435e6 [2018-12-08 20:47:52,723 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 20:47:52,732 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 20:47:52,734 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 20:47:52,736 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 20:47:52,736 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 20:47:52,736 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f257c72f-339b-4e80-9212-5d2655bdd837/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label36_true-unreach-call_false-termination.c [2018-12-08 20:47:52,781 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f257c72f-339b-4e80-9212-5d2655bdd837/bin-2019/utaipan/data/6526a4992/952ddcd487e04ce08a01d2511a3f9744/FLAGd80824108 [2018-12-08 20:47:53,280 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 20:47:53,280 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f257c72f-339b-4e80-9212-5d2655bdd837/sv-benchmarks/c/eca-rers2012/Problem02_label36_true-unreach-call_false-termination.c [2018-12-08 20:47:53,287 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f257c72f-339b-4e80-9212-5d2655bdd837/bin-2019/utaipan/data/6526a4992/952ddcd487e04ce08a01d2511a3f9744/FLAGd80824108 [2018-12-08 20:47:53,297 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f257c72f-339b-4e80-9212-5d2655bdd837/bin-2019/utaipan/data/6526a4992/952ddcd487e04ce08a01d2511a3f9744 [2018-12-08 20:47:53,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 20:47:53,300 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 20:47:53,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 20:47:53,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 20:47:53,303 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 20:47:53,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:47:53" (1/1) ... [2018-12-08 20:47:53,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54724d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:47:53, skipping insertion in model container [2018-12-08 20:47:53,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:47:53" (1/1) ... [2018-12-08 20:47:53,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 20:47:53,334 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 20:47:53,507 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:47:53,510 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 20:47:53,616 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:47:53,628 INFO L195 MainTranslator]: Completed translation [2018-12-08 20:47:53,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:47:53 WrapperNode [2018-12-08 20:47:53,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 20:47:53,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 20:47:53,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 20:47:53,629 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 20:47:53,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:47:53" (1/1) ... [2018-12-08 20:47:53,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:47:53" (1/1) ... [2018-12-08 20:47:53,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 20:47:53,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 20:47:53,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 20:47:53,654 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 20:47:53,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:47:53" (1/1) ... [2018-12-08 20:47:53,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:47:53" (1/1) ... [2018-12-08 20:47:53,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:47:53" (1/1) ... [2018-12-08 20:47:53,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:47:53" (1/1) ... [2018-12-08 20:47:53,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:47:53" (1/1) ... [2018-12-08 20:47:53,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:47:53" (1/1) ... [2018-12-08 20:47:53,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:47:53" (1/1) ... [2018-12-08 20:47:53,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 20:47:53,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 20:47:53,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 20:47:53,699 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 20:47:53,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:47:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f257c72f-339b-4e80-9212-5d2655bdd837/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 20:47:53,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 20:47:53,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 20:47:53,742 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 20:47:53,742 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 20:47:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 20:47:53,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 20:47:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 20:47:53,743 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 20:47:54,299 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 20:47:54,299 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 20:47:54,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:47:54 BoogieIcfgContainer [2018-12-08 20:47:54,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 20:47:54,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 20:47:54,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 20:47:54,303 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 20:47:54,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 08:47:53" (1/3) ... [2018-12-08 20:47:54,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520b3e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:47:54, skipping insertion in model container [2018-12-08 20:47:54,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:47:53" (2/3) ... [2018-12-08 20:47:54,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520b3e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:47:54, skipping insertion in model container [2018-12-08 20:47:54,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:47:54" (3/3) ... [2018-12-08 20:47:54,306 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label36_true-unreach-call_false-termination.c [2018-12-08 20:47:54,314 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 20:47:54,320 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 20:47:54,333 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 20:47:54,360 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 20:47:54,360 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 20:47:54,360 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 20:47:54,360 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 20:47:54,360 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 20:47:54,360 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 20:47:54,360 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 20:47:54,360 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 20:47:54,377 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-08 20:47:54,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 20:47:54,384 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:47:54,384 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] [2018-12-08 20:47:54,386 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:47:54,389 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:47:54,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1783412414, now seen corresponding path program 1 times [2018-12-08 20:47:54,391 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:47:54,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:47:54,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:47:54,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:47:54,420 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:47:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:47:54,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:47:54,666 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:47:54,666 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 20:47:54,666 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:47:54,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 20:47:54,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 20:47:54,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 20:47:54,680 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-08 20:47:55,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:47:55,120 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2018-12-08 20:47:55,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 20:47:55,121 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2018-12-08 20:47:55,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:47:55,131 INFO L225 Difference]: With dead ends: 615 [2018-12-08 20:47:55,131 INFO L226 Difference]: Without dead ends: 317 [2018-12-08 20:47:55,135 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 [2018-12-08 20:47:55,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-12-08 20:47:55,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2018-12-08 20:47:55,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-12-08 20:47:55,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 478 transitions. [2018-12-08 20:47:55,181 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 478 transitions. Word has length 138 [2018-12-08 20:47:55,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:47:55,181 INFO L480 AbstractCegarLoop]: Abstraction has 317 states and 478 transitions. [2018-12-08 20:47:55,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 20:47:55,181 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 478 transitions. [2018-12-08 20:47:55,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 20:47:55,186 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:47:55,187 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:47:55,187 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:47:55,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:47:55,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1214280925, now seen corresponding path program 1 times [2018-12-08 20:47:55,188 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:47:55,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:47:55,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:47:55,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:47:55,189 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:47:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:47:55,284 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:47:55,284 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:47:55,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 20:47:55,284 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:47:55,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 20:47:55,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 20:47:55,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 20:47:55,286 INFO L87 Difference]: Start difference. First operand 317 states and 478 transitions. Second operand 6 states. [2018-12-08 20:47:55,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:47:55,708 INFO L93 Difference]: Finished difference Result 964 states and 1501 transitions. [2018-12-08 20:47:55,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 20:47:55,709 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2018-12-08 20:47:55,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:47:55,714 INFO L225 Difference]: With dead ends: 964 [2018-12-08 20:47:55,714 INFO L226 Difference]: Without dead ends: 653 [2018-12-08 20:47:55,716 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 [2018-12-08 20:47:55,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2018-12-08 20:47:55,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 625. [2018-12-08 20:47:55,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2018-12-08 20:47:55,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 924 transitions. [2018-12-08 20:47:55,749 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 924 transitions. Word has length 153 [2018-12-08 20:47:55,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:47:55,749 INFO L480 AbstractCegarLoop]: Abstraction has 625 states and 924 transitions. [2018-12-08 20:47:55,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 20:47:55,749 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 924 transitions. [2018-12-08 20:47:55,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-08 20:47:55,752 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:47:55,752 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2018-12-08 20:47:55,752 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:47:55,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:47:55,753 INFO L82 PathProgramCache]: Analyzing trace with hash -405364120, now seen corresponding path program 1 times [2018-12-08 20:47:55,753 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:47:55,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:47:55,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:47:55,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:47:55,754 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:47:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:47:55,844 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 20:47:55,845 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:47:55,845 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:47:55,845 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-12-08 20:47:55,847 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 20:47:55,880 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:47:55,881 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:47:56,137 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 20:47:56,138 INFO L272 AbstractInterpreter]: Visited 139 different actions 139 times. Never merged. Never widened. Performed 1516 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1516 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-12-08 20:47:56,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:47:56,146 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 20:47:56,348 INFO L227 lantSequenceWeakener]: Weakened 152 states. On average, predicates are now at 81.28% of their original sizes. [2018-12-08 20:47:56,348 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 20:47:56,381 INFO L418 sIntCurrentIteration]: We unified 160 AI predicates to 160 [2018-12-08 20:47:56,381 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 20:47:56,382 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 20:47:56,382 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-08 20:47:56,382 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:47:56,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 20:47:56,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 20:47:56,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 20:47:56,383 INFO L87 Difference]: Start difference. First operand 625 states and 924 transitions. Second operand 6 states. [2018-12-08 20:47:58,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:47:58,145 INFO L93 Difference]: Finished difference Result 1392 states and 2056 transitions. [2018-12-08 20:47:58,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 20:47:58,145 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161 [2018-12-08 20:47:58,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:47:58,146 INFO L225 Difference]: With dead ends: 1392 [2018-12-08 20:47:58,147 INFO L226 Difference]: Without dead ends: 773 [2018-12-08 20:47:58,147 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 161 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-08 20:47:58,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2018-12-08 20:47:58,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 771. [2018-12-08 20:47:58,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-12-08 20:47:58,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1077 transitions. [2018-12-08 20:47:58,167 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1077 transitions. Word has length 161 [2018-12-08 20:47:58,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:47:58,167 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 1077 transitions. [2018-12-08 20:47:58,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 20:47:58,167 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1077 transitions. [2018-12-08 20:47:58,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-08 20:47:58,170 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:47:58,170 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:47:58,170 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:47:58,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:47:58,171 INFO L82 PathProgramCache]: Analyzing trace with hash 620824471, now seen corresponding path program 1 times [2018-12-08 20:47:58,171 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:47:58,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:47:58,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:47:58,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:47:58,172 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:47:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:47:58,278 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 20:47:58,278 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:47:58,278 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:47:58,278 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 171 with the following transitions: [2018-12-08 20:47:58,279 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 20:47:58,281 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:47:58,281 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:47:58,574 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 20:47:58,574 INFO L272 AbstractInterpreter]: Visited 143 different actions 424 times. Merged at 6 different actions 15 times. Never widened. Performed 4742 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4742 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-08 20:47:58,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:47:58,576 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 20:47:58,714 INFO L227 lantSequenceWeakener]: Weakened 167 states. On average, predicates are now at 84.94% of their original sizes. [2018-12-08 20:47:58,714 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 20:47:58,757 INFO L418 sIntCurrentIteration]: We unified 169 AI predicates to 169 [2018-12-08 20:47:58,757 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 20:47:58,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 20:47:58,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-12-08 20:47:58,757 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:47:58,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 20:47:58,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 20:47:58,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 20:47:58,758 INFO L87 Difference]: Start difference. First operand 771 states and 1077 transitions. Second operand 9 states. [2018-12-08 20:48:00,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:48:00,758 INFO L93 Difference]: Finished difference Result 1858 states and 2647 transitions. [2018-12-08 20:48:00,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 20:48:00,758 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 170 [2018-12-08 20:48:00,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:48:00,760 INFO L225 Difference]: With dead ends: 1858 [2018-12-08 20:48:00,760 INFO L226 Difference]: Without dead ends: 1093 [2018-12-08 20:48:00,761 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 177 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-12-08 20:48:00,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2018-12-08 20:48:00,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1075. [2018-12-08 20:48:00,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1075 states. [2018-12-08 20:48:00,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1471 transitions. [2018-12-08 20:48:00,787 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1471 transitions. Word has length 170 [2018-12-08 20:48:00,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:48:00,787 INFO L480 AbstractCegarLoop]: Abstraction has 1075 states and 1471 transitions. [2018-12-08 20:48:00,787 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 20:48:00,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1471 transitions. [2018-12-08 20:48:00,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-08 20:48:00,790 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:48:00,790 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:48:00,790 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:48:00,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:48:00,791 INFO L82 PathProgramCache]: Analyzing trace with hash -774275897, now seen corresponding path program 1 times [2018-12-08 20:48:00,791 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:48:00,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:48:00,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:48:00,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:48:00,792 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:48:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:48:00,842 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:48:00,842 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:48:00,842 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:48:00,843 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 170 with the following transitions: [2018-12-08 20:48:00,843 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 20:48:00,845 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:48:00,845 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:48:00,953 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 20:48:00,953 INFO L272 AbstractInterpreter]: Visited 142 different actions 278 times. Merged at 4 different actions 4 times. Never widened. Performed 3018 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3018 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-08 20:48:00,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:48:00,958 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 20:48:01,110 INFO L227 lantSequenceWeakener]: Weakened 166 states. On average, predicates are now at 81.25% of their original sizes. [2018-12-08 20:48:01,110 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 20:48:01,146 INFO L418 sIntCurrentIteration]: We unified 168 AI predicates to 168 [2018-12-08 20:48:01,146 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 20:48:01,146 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 20:48:01,146 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-08 20:48:01,146 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:48:01,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 20:48:01,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 20:48:01,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 20:48:01,147 INFO L87 Difference]: Start difference. First operand 1075 states and 1471 transitions. Second operand 10 states. [2018-12-08 20:48:03,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:48:03,973 INFO L93 Difference]: Finished difference Result 2440 states and 3327 transitions. [2018-12-08 20:48:03,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 20:48:03,974 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 169 [2018-12-08 20:48:03,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:48:03,977 INFO L225 Difference]: With dead ends: 2440 [2018-12-08 20:48:03,978 INFO L226 Difference]: Without dead ends: 1371 [2018-12-08 20:48:03,979 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 178 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-08 20:48:03,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states. [2018-12-08 20:48:04,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 1368. [2018-12-08 20:48:04,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1368 states. [2018-12-08 20:48:04,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1368 states and 1811 transitions. [2018-12-08 20:48:04,006 INFO L78 Accepts]: Start accepts. Automaton has 1368 states and 1811 transitions. Word has length 169 [2018-12-08 20:48:04,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:48:04,006 INFO L480 AbstractCegarLoop]: Abstraction has 1368 states and 1811 transitions. [2018-12-08 20:48:04,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 20:48:04,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1811 transitions. [2018-12-08 20:48:04,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-08 20:48:04,009 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:48:04,010 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:48:04,010 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:48:04,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:48:04,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1714254655, now seen corresponding path program 1 times [2018-12-08 20:48:04,010 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:48:04,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:48:04,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:48:04,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:48:04,011 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:48:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:48:04,099 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 20:48:04,100 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:48:04,100 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 20:48:04,100 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:48:04,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 20:48:04,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 20:48:04,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 20:48:04,101 INFO L87 Difference]: Start difference. First operand 1368 states and 1811 transitions. Second operand 3 states. [2018-12-08 20:48:04,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:48:04,413 INFO L93 Difference]: Finished difference Result 3310 states and 4521 transitions. [2018-12-08 20:48:04,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 20:48:04,414 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2018-12-08 20:48:04,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:48:04,416 INFO L225 Difference]: With dead ends: 3310 [2018-12-08 20:48:04,416 INFO L226 Difference]: Without dead ends: 1504 [2018-12-08 20:48:04,419 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 [2018-12-08 20:48:04,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1504 states. [2018-12-08 20:48:04,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1504 to 1503. [2018-12-08 20:48:04,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1503 states. [2018-12-08 20:48:04,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 1864 transitions. [2018-12-08 20:48:04,445 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 1864 transitions. Word has length 173 [2018-12-08 20:48:04,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:48:04,445 INFO L480 AbstractCegarLoop]: Abstraction has 1503 states and 1864 transitions. [2018-12-08 20:48:04,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 20:48:04,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1864 transitions. [2018-12-08 20:48:04,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-08 20:48:04,449 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:48:04,449 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 20:48:04,450 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:48:04,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:48:04,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1576303530, now seen corresponding path program 1 times [2018-12-08 20:48:04,450 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:48:04,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:48:04,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:48:04,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:48:04,451 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:48:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:48:04,538 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 69 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 20:48:04,538 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:48:04,538 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:48:04,539 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 202 with the following transitions: [2018-12-08 20:48:04,539 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 20:48:04,542 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:48:04,542 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:48:04,739 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 20:48:04,739 INFO L272 AbstractInterpreter]: Visited 143 different actions 424 times. Merged at 7 different actions 15 times. Never widened. Performed 4899 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4899 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-08 20:48:04,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:48:04,741 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 20:48:04,865 INFO L227 lantSequenceWeakener]: Weakened 198 states. On average, predicates are now at 84.77% of their original sizes. [2018-12-08 20:48:04,865 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 20:48:04,915 INFO L418 sIntCurrentIteration]: We unified 200 AI predicates to 200 [2018-12-08 20:48:04,915 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 20:48:04,916 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 20:48:04,916 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-08 20:48:04,916 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:48:04,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 20:48:04,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 20:48:04,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 20:48:04,916 INFO L87 Difference]: Start difference. First operand 1503 states and 1864 transitions. Second operand 10 states. [2018-12-08 20:48:07,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:48:07,380 INFO L93 Difference]: Finished difference Result 3937 states and 4887 transitions. [2018-12-08 20:48:07,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-08 20:48:07,380 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 201 [2018-12-08 20:48:07,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:48:07,385 INFO L225 Difference]: With dead ends: 3937 [2018-12-08 20:48:07,385 INFO L226 Difference]: Without dead ends: 2440 [2018-12-08 20:48:07,388 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 212 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=116, Invalid=346, Unknown=0, NotChecked=0, Total=462 [2018-12-08 20:48:07,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2440 states. [2018-12-08 20:48:07,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2440 to 2115. [2018-12-08 20:48:07,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2115 states. [2018-12-08 20:48:07,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 2115 states and 2528 transitions. [2018-12-08 20:48:07,427 INFO L78 Accepts]: Start accepts. Automaton has 2115 states and 2528 transitions. Word has length 201 [2018-12-08 20:48:07,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:48:07,427 INFO L480 AbstractCegarLoop]: Abstraction has 2115 states and 2528 transitions. [2018-12-08 20:48:07,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 20:48:07,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2528 transitions. [2018-12-08 20:48:07,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-08 20:48:07,432 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:48:07,432 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 20:48:07,432 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:48:07,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:48:07,432 INFO L82 PathProgramCache]: Analyzing trace with hash -198388443, now seen corresponding path program 1 times [2018-12-08 20:48:07,433 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:48:07,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:48:07,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:48:07,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:48:07,434 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:48:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:48:07,542 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 101 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 20:48:07,543 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:48:07,543 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:48:07,543 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 246 with the following transitions: [2018-12-08 20:48:07,543 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 20:48:07,545 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:48:07,545 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:48:07,703 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 20:48:07,703 INFO L272 AbstractInterpreter]: Visited 143 different actions 421 times. Merged at 6 different actions 12 times. Never widened. Performed 4779 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4779 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-08 20:48:07,704 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:48:07,704 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 20:48:07,848 INFO L227 lantSequenceWeakener]: Weakened 240 states. On average, predicates are now at 84.61% of their original sizes. [2018-12-08 20:48:07,848 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 20:48:07,898 INFO L418 sIntCurrentIteration]: We unified 244 AI predicates to 244 [2018-12-08 20:48:07,898 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 20:48:07,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 20:48:07,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2018-12-08 20:48:07,898 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:48:07,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 20:48:07,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 20:48:07,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 20:48:07,899 INFO L87 Difference]: Start difference. First operand 2115 states and 2528 transitions. Second operand 10 states. [2018-12-08 20:48:10,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:48:10,676 INFO L93 Difference]: Finished difference Result 4991 states and 6069 transitions. [2018-12-08 20:48:10,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-08 20:48:10,676 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 245 [2018-12-08 20:48:10,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:48:10,680 INFO L225 Difference]: With dead ends: 4991 [2018-12-08 20:48:10,680 INFO L226 Difference]: Without dead ends: 2882 [2018-12-08 20:48:10,682 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 255 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-12-08 20:48:10,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2882 states. [2018-12-08 20:48:10,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2882 to 2863. [2018-12-08 20:48:10,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2863 states. [2018-12-08 20:48:10,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2863 states to 2863 states and 3457 transitions. [2018-12-08 20:48:10,712 INFO L78 Accepts]: Start accepts. Automaton has 2863 states and 3457 transitions. Word has length 245 [2018-12-08 20:48:10,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:48:10,712 INFO L480 AbstractCegarLoop]: Abstraction has 2863 states and 3457 transitions. [2018-12-08 20:48:10,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 20:48:10,712 INFO L276 IsEmpty]: Start isEmpty. Operand 2863 states and 3457 transitions. [2018-12-08 20:48:10,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-12-08 20:48:10,715 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:48:10,715 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:48:10,715 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:48:10,715 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:48:10,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1356360498, now seen corresponding path program 1 times [2018-12-08 20:48:10,715 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:48:10,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:48:10,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:48:10,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:48:10,716 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:48:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:48:10,773 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 116 proven. 16 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-08 20:48:10,773 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:48:10,773 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:48:10,774 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 254 with the following transitions: [2018-12-08 20:48:10,774 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 20:48:10,775 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:48:10,775 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:48:11,075 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:48:11,075 INFO L272 AbstractInterpreter]: Visited 147 different actions 724 times. Merged at 8 different actions 39 times. Never widened. Performed 8379 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8379 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 12 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-08 20:48:11,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:48:11,078 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:48:11,078 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:48:11,078 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f257c72f-339b-4e80-9212-5d2655bdd837/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 20:48:11,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:48:11,085 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:48:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:48:11,156 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:48:11,276 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-12-08 20:48:11,276 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:48:11,354 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 116 proven. 16 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-08 20:48:11,370 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 20:48:11,370 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-08 20:48:11,370 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 20:48:11,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 20:48:11,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 20:48:11,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-12-08 20:48:11,371 INFO L87 Difference]: Start difference. First operand 2863 states and 3457 transitions. Second operand 9 states. [2018-12-08 20:48:12,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:48:12,827 INFO L93 Difference]: Finished difference Result 8287 states and 10269 transitions. [2018-12-08 20:48:12,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-12-08 20:48:12,828 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 253 [2018-12-08 20:48:12,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:48:12,838 INFO L225 Difference]: With dead ends: 8287 [2018-12-08 20:48:12,838 INFO L226 Difference]: Without dead ends: 5278 [2018-12-08 20:48:12,842 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 561 GetRequests, 526 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=288, Invalid=972, Unknown=0, NotChecked=0, Total=1260 [2018-12-08 20:48:12,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5278 states. [2018-12-08 20:48:12,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5278 to 4902. [2018-12-08 20:48:12,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4902 states. [2018-12-08 20:48:12,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4902 states to 4902 states and 5742 transitions. [2018-12-08 20:48:12,896 INFO L78 Accepts]: Start accepts. Automaton has 4902 states and 5742 transitions. Word has length 253 [2018-12-08 20:48:12,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:48:12,896 INFO L480 AbstractCegarLoop]: Abstraction has 4902 states and 5742 transitions. [2018-12-08 20:48:12,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 20:48:12,896 INFO L276 IsEmpty]: Start isEmpty. Operand 4902 states and 5742 transitions. [2018-12-08 20:48:12,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-08 20:48:12,901 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:48:12,901 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:48:12,901 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:48:12,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:48:12,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1772043503, now seen corresponding path program 1 times [2018-12-08 20:48:12,901 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:48:12,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:48:12,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:48:12,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:48:12,902 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:48:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:48:13,009 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 142 proven. 59 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 20:48:13,009 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:48:13,009 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:48:13,009 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 265 with the following transitions: [2018-12-08 20:48:13,009 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [67], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 20:48:13,011 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:48:13,011 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:48:13,281 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:48:13,282 INFO L272 AbstractInterpreter]: Visited 147 different actions 586 times. Merged at 8 different actions 35 times. Widened at 1 different actions 1 times. Performed 6934 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6934 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-08 20:48:13,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:48:13,284 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:48:13,284 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:48:13,284 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f257c72f-339b-4e80-9212-5d2655bdd837/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 20:48:13,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:48:13,290 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:48:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:48:13,341 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:48:13,390 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 160 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-08 20:48:13,391 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:48:13,444 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 154 proven. 35 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-08 20:48:13,459 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 20:48:13,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2018-12-08 20:48:13,459 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 20:48:13,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 20:48:13,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 20:48:13,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2018-12-08 20:48:13,460 INFO L87 Difference]: Start difference. First operand 4902 states and 5742 transitions. Second operand 11 states. [2018-12-08 20:48:14,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:48:14,204 INFO L93 Difference]: Finished difference Result 9715 states and 11577 transitions. [2018-12-08 20:48:14,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-08 20:48:14,204 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 264 [2018-12-08 20:48:14,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:48:14,204 INFO L225 Difference]: With dead ends: 9715 [2018-12-08 20:48:14,205 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 20:48:14,214 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 530 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2018-12-08 20:48:14,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 20:48:14,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 20:48:14,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 20:48:14,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 20:48:14,215 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 264 [2018-12-08 20:48:14,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:48:14,215 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 20:48:14,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 20:48:14,215 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 20:48:14,216 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 20:48:14,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 20:48:14,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:48:14,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:48:14,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:48:14,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:48:14,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:48:14,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:48:14,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:48:14,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:48:14,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:48:14,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:48:14,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:48:14,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:48:14,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:48:14,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:48:14,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:48:14,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:48:14,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:48:14,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:48:14,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:48:14,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:48:14,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:48:14,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:48:14,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:48:14,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:48:15,133 WARN L180 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 90 [2018-12-08 20:48:15,358 WARN L180 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 54 [2018-12-08 20:48:15,524 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 56 [2018-12-08 20:48:15,526 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 20:48:15,526 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-12-08 20:48:15,526 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 20:48:15,526 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,526 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,526 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,526 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,526 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,526 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-08 20:48:15,526 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-08 20:48:15,526 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-08 20:48:15,526 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-08 20:48:15,527 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-08 20:48:15,527 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-08 20:48:15,527 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-08 20:48:15,527 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-08 20:48:15,527 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-08 20:48:15,527 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-08 20:48:15,527 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-08 20:48:15,527 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-08 20:48:15,527 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-08 20:48:15,527 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,527 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,527 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,527 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,527 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-08 20:48:15,528 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,528 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-08 20:48:15,528 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-08 20:48:15,528 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-08 20:48:15,528 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-08 20:48:15,528 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-08 20:48:15,528 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-08 20:48:15,528 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-08 20:48:15,528 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-08 20:48:15,528 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-08 20:48:15,528 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-08 20:48:15,528 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-08 20:48:15,528 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-08 20:48:15,528 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-08 20:48:15,529 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-08 20:48:15,529 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-08 20:48:15,529 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,529 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,529 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,529 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,529 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,529 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-08 20:48:15,529 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-08 20:48:15,529 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-08 20:48:15,529 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-08 20:48:15,529 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-08 20:48:15,529 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-08 20:48:15,529 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-08 20:48:15,530 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-08 20:48:15,530 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-08 20:48:15,530 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-08 20:48:15,530 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-08 20:48:15,530 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,530 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,530 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,530 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,530 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,530 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-08 20:48:15,530 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-08 20:48:15,530 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-08 20:48:15,530 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-08 20:48:15,531 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-08 20:48:15,531 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-08 20:48:15,531 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-08 20:48:15,531 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-08 20:48:15,531 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-08 20:48:15,531 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-08 20:48:15,531 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-08 20:48:15,531 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-08 20:48:15,531 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-08 20:48:15,531 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,531 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,531 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,531 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,531 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,532 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-08 20:48:15,532 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-08 20:48:15,532 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-08 20:48:15,532 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-08 20:48:15,532 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-08 20:48:15,532 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-08 20:48:15,532 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-08 20:48:15,532 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-08 20:48:15,532 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-08 20:48:15,532 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-08 20:48:15,532 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-08 20:48:15,532 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-08 20:48:15,532 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-08 20:48:15,532 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-08 20:48:15,532 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-08 20:48:15,532 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-08 20:48:15,532 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,532 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,532 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,532 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,532 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-08 20:48:15,532 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,533 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-08 20:48:15,533 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,533 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-08 20:48:15,533 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-08 20:48:15,533 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-08 20:48:15,533 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,533 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,533 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-08 20:48:15,533 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-08 20:48:15,533 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-08 20:48:15,533 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-08 20:48:15,533 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-08 20:48:15,533 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-08 20:48:15,533 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-08 20:48:15,533 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-08 20:48:15,533 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-08 20:48:15,533 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-08 20:48:15,533 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-08 20:48:15,533 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,533 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,533 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,533 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,533 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,533 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,534 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-08 20:48:15,534 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-08 20:48:15,534 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-08 20:48:15,534 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-08 20:48:15,534 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-08 20:48:15,534 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-08 20:48:15,534 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-08 20:48:15,534 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-08 20:48:15,534 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-08 20:48:15,534 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-08 20:48:15,534 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-08 20:48:15,534 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,534 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,534 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,534 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,534 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,534 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,534 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-08 20:48:15,534 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-08 20:48:15,534 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-08 20:48:15,534 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-08 20:48:15,534 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-08 20:48:15,534 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-08 20:48:15,534 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-08 20:48:15,534 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-08 20:48:15,535 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-08 20:48:15,535 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 568) no Hoare annotation was computed. [2018-12-08 20:48:15,535 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-08 20:48:15,535 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-08 20:48:15,535 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-08 20:48:15,535 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-08 20:48:15,535 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-08 20:48:15,535 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,535 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,535 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,535 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse8 (= 0 |old(~a17~0)|)) (.cse22 (not (= 1 |old(~a25~0)|))) (.cse18 (= 0 |old(~a28~0)|)) (.cse0 (not (= 1 ~a21~0))) (.cse14 (not (= 1 |old(~a19~0)|))) (.cse5 (not (= 0 |old(~a11~0)|))) (.cse6 (not (= 8 |old(~a17~0)|)))) (let ((.cse9 (= 1 ~a11~0)) (.cse15 (not (= 1 |old(~a11~0)|))) (.cse19 (= 7 |old(~a17~0)|)) (.cse20 (not (= ~a17~0 7))) (.cse17 (<= ~a28~0 10)) (.cse12 (<= |old(~a28~0)| ~a28~0)) (.cse2 (= |old(~a19~0)| ~a19~0)) (.cse16 (< 10 |old(~a28~0)|)) (.cse23 (= ~a17~0 8)) (.cse4 (= 10 |old(~a28~0)|)) (.cse13 (< |old(~a28~0)| 11)) (.cse25 (= ~a11~0 |old(~a11~0)|)) (.cse1 (= |old(~a28~0)| ~a28~0)) (.cse10 (= ~a19~0 1)) (.cse11 (not (= ~a17~0 0))) (.cse3 (= ~a25~0 |old(~a25~0)|)) (.cse24 (and (or .cse0 .cse8 .cse22 .cse14 .cse18) (or .cse0 (not (= 7 |old(~a28~0)|)) .cse14 .cse5 .cse6 (not (= 0 |old(~a25~0)|))))) (.cse21 (= |old(~a11~0)| |old(~a19~0)|)) (.cse7 (= |calculate_output_#in~input| 0))) (and (or .cse0 (and .cse1 .cse2 (= ~a11~0 0) .cse3) .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse8 (and .cse9 .cse10 .cse11 .cse12 .cse3) .cse13 .cse14 .cse7 .cse15) (or .cse16 .cse15 (and .cse2 .cse9 .cse17 .cse12 .cse3)) (or .cse16 .cse4 .cse11 (or .cse0 .cse8 .cse14 .cse18 .cse7)) (or .cse19 .cse20 .cse21 .cse15) (or (or .cse0 (not .cse4) .cse22 .cse5 (not (= 0 |old(~a19~0)|))) .cse6 .cse7 .cse23) (or (and .cse2 .cse9) .cse21 .cse15) (or .cse20 .cse16 .cse19 .cse4) (or .cse0 .cse14 .cse23 .cse18 .cse6 .cse7 .cse15) (or .cse7 .cse23 .cse24 .cse6) (or .cse16 .cse22 .cse19 (and .cse2 .cse25 .cse20 .cse17 .cse12 .cse3)) (or .cse16 .cse4 (and .cse1 .cse2 .cse25 .cse3)) (or (and .cse25 .cse1 .cse23 .cse10 .cse3) .cse16 .cse0 .cse14 .cse18 .cse6 .cse7) (or .cse23 .cse0 .cse18 .cse4 .cse5 .cse6 .cse7) (or .cse13 (and .cse25 .cse1 .cse10 .cse11 .cse3) .cse24 .cse21 .cse7)))) [2018-12-08 20:48:15,535 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,535 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,535 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,535 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-08 20:48:15,535 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-08 20:48:15,536 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-08 20:48:15,536 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-08 20:48:15,536 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-08 20:48:15,536 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-08 20:48:15,536 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-08 20:48:15,536 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-08 20:48:15,536 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-08 20:48:15,536 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-08 20:48:15,536 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-08 20:48:15,536 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-08 20:48:15,536 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-08 20:48:15,536 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,536 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,536 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,536 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,536 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,536 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,536 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-08 20:48:15,536 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-08 20:48:15,536 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-08 20:48:15,537 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-08 20:48:15,537 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-08 20:48:15,537 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-08 20:48:15,537 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-08 20:48:15,537 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-08 20:48:15,537 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-08 20:48:15,537 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-08 20:48:15,537 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-08 20:48:15,537 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-08 20:48:15,537 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-08 20:48:15,537 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-08 20:48:15,537 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-08 20:48:15,537 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-08 20:48:15,537 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,538 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,538 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,538 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,538 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 20:48:15,538 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-08 20:48:15,538 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-08 20:48:15,538 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-08 20:48:15,538 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-08 20:48:15,538 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-08 20:48:15,538 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-08 20:48:15,538 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-08 20:48:15,538 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-08 20:48:15,538 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-08 20:48:15,538 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-08 20:48:15,538 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-08 20:48:15,539 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-08 20:48:15,539 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-08 20:48:15,539 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-08 20:48:15,539 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-08 20:48:15,539 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-08 20:48:15,539 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-08 20:48:15,539 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-08 20:48:15,539 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-08 20:48:15,539 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 20:48:15,539 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-12-08 20:48:15,539 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 20:48:15,539 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 20:48:15,539 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a25~0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-12-08 20:48:15,539 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (not (= ~a17~0 0))) (.cse0 (= ~a19~0 1)) (.cse3 (= 1 ~a11~0)) (.cse4 (= ~a17~0 8)) (.cse5 (<= ~a28~0 10)) (.cse2 (not (= ~a28~0 10)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (and .cse0 (= ~a25~0 1) .cse1) .cse2) (and .cse3 .cse1) (not (= 0 |old(~a11~0)|)) (and (and .cse4 .cse0) .cse5) (and (not (= ~a17~0 7)) (= 1 ~a25~0) .cse5) (not (= 0 |old(~a25~0)|)) (and .cse3 (not (= ~a19~0 ~a11~0))) (and .cse3 .cse5) (and (= ~a11~0 0) .cse4 .cse2) (and .cse5 .cse2) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)))) [2018-12-08 20:48:15,539 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-08 20:48:15,539 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-08 20:48:15,539 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (not (= ~a28~0 10))) (.cse0 (= 1 ~a11~0)) (.cse3 (not (= ~a17~0 0))) (.cse1 (not (= main_~input~0 0))) (.cse5 (<= ~a28~0 10)) (.cse6 (= ~a17~0 8)) (.cse2 (= ~a19~0 1))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (not (= ~a19~0 ~a11~0))) (and .cse1 (and .cse2 (= ~a25~0 1) .cse3) .cse4) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse5) (and (= ~a11~0 0) .cse1 .cse6 .cse4) (and (not (= ~a17~0 7)) (= 1 ~a25~0) .cse5) (and .cse5 .cse4) (and .cse1 .cse0 .cse3) (not (= 1 |old(~a19~0)|)) (and .cse1 .cse5 .cse6 .cse2) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-12-08 20:48:15,540 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-08 20:48:15,540 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-08 20:48:15,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 08:48:15 BoogieIcfgContainer [2018-12-08 20:48:15,551 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 20:48:15,552 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 20:48:15,552 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 20:48:15,552 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 20:48:15,552 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:47:54" (3/4) ... [2018-12-08 20:48:15,555 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 20:48:15,560 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 20:48:15,560 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 20:48:15,560 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 20:48:15,569 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 20:48:15,570 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 20:48:15,594 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(1 == a21) || !(7 == \old(a28))) || (((a19 == 1 && a25 == 1) && !(a17 == 0)) && !(a28 == 10))) || (1 == a11 && !(a17 == 0))) || !(0 == \old(a11))) || ((a17 == 8 && a19 == 1) && a28 <= 10)) || ((!(a17 == 7) && 1 == a25) && a28 <= 10)) || !(0 == \old(a25))) || (1 == a11 && !(a19 == a11))) || (1 == a11 && a28 <= 10)) || ((a11 == 0 && a17 == 8) && !(a28 == 10))) || (a28 <= 10 && !(a28 == 10))) || !(1 == \old(a19))) || !(8 == \old(a17)) [2018-12-08 20:48:15,661 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f257c72f-339b-4e80-9212-5d2655bdd837/bin-2019/utaipan/witness.graphml [2018-12-08 20:48:15,661 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 20:48:15,662 INFO L168 Benchmark]: Toolchain (without parser) took 22362.98 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 1.0 GB). Free memory was 941.7 MB in the beginning and 893.4 MB in the end (delta: 48.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-08 20:48:15,663 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:48:15,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 941.7 MB in the beginning and 1.1 GB in the end (delta: -178.8 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. [2018-12-08 20:48:15,663 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.64 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 20:48:15,663 INFO L168 Benchmark]: Boogie Preprocessor took 45.03 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 20:48:15,663 INFO L168 Benchmark]: RCFGBuilder took 600.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.0 MB). Peak memory consumption was 106.0 MB. Max. memory is 11.5 GB. [2018-12-08 20:48:15,664 INFO L168 Benchmark]: TraceAbstraction took 21251.16 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 887.6 MB). Free memory was 1.0 GB in the beginning and 915.4 MB in the end (delta: 93.6 MB). Peak memory consumption was 981.2 MB. Max. memory is 11.5 GB. [2018-12-08 20:48:15,664 INFO L168 Benchmark]: Witness Printer took 109.66 ms. Allocated memory is still 2.0 GB. Free memory was 915.4 MB in the beginning and 893.4 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2018-12-08 20:48:15,666 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 328.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 941.7 MB in the beginning and 1.1 GB in the end (delta: -178.8 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.64 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.03 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 600.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.0 MB). Peak memory consumption was 106.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21251.16 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 887.6 MB). Free memory was 1.0 GB in the beginning and 915.4 MB in the end (delta: 93.6 MB). Peak memory consumption was 981.2 MB. Max. memory is 11.5 GB. * Witness Printer took 109.66 ms. Allocated memory is still 2.0 GB. Free memory was 915.4 MB in the beginning and 893.4 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 568]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((((((!(1 == a21) || !(7 == \old(a28))) || (((a19 == 1 && a25 == 1) && !(a17 == 0)) && !(a28 == 10))) || (1 == a11 && !(a17 == 0))) || !(0 == \old(a11))) || ((a17 == 8 && a19 == 1) && a28 <= 10)) || ((!(a17 == 7) && 1 == a25) && a28 <= 10)) || !(0 == \old(a25))) || (1 == a11 && !(a19 == a11))) || (1 == a11 && a28 <= 10)) || ((a11 == 0 && a17 == 8) && !(a28 == 10))) || (a28 <= 10 && !(a28 == 10))) || !(1 == \old(a19))) || !(8 == \old(a17)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 21.1s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 15.2s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 979 SDtfs, 7383 SDslu, 1167 SDs, 0 SdLazy, 10032 SolverSat, 1861 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 2113 GetRequests, 1969 SyntacticMatches, 7 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 548 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4902occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.6s AbstIntTime, 7 AbstIntIterations, 5 AbstIntStrong, 0.9971179037672355 AbsIntWeakeningRatio, 0.19872476089266738 AbsIntAvgWeakeningVarsNumRemoved, 26.054197662061636 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 772 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 145 PreInvPairs, 225 NumberOfFragments, 776 HoareAnnotationTreeSize, 145 FomulaSimplifications, 16848 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6763 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 2444 NumberOfCodeBlocks, 2444 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2947 ConstructedInterpolants, 0 QuantifiedInterpolants, 1072692 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1216 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 14 InterpolantComputations, 3 PerfectInterpolantSequences, 1441/1659 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...