./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label09_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f06ec0c4-84b1-49c6-a366-2d1585bcd5f3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f06ec0c4-84b1-49c6-a366-2d1585bcd5f3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f06ec0c4-84b1-49c6-a366-2d1585bcd5f3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f06ec0c4-84b1-49c6-a366-2d1585bcd5f3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label09_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f06ec0c4-84b1-49c6-a366-2d1585bcd5f3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f06ec0c4-84b1-49c6-a366-2d1585bcd5f3/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 5a32e026edf0616eb4045a18a8b0546054fb92f7 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 18:56:31,522 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 18:56:31,524 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 18:56:31,531 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 18:56:31,532 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 18:56:31,532 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 18:56:31,533 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 18:56:31,533 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 18:56:31,534 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 18:56:31,535 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 18:56:31,535 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 18:56:31,536 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 18:56:31,536 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 18:56:31,537 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 18:56:31,538 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 18:56:31,538 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 18:56:31,539 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 18:56:31,540 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 18:56:31,541 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 18:56:31,541 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 18:56:31,542 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 18:56:31,543 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 18:56:31,544 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 18:56:31,544 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 18:56:31,544 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 18:56:31,545 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 18:56:31,545 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 18:56:31,546 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 18:56:31,546 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 18:56:31,547 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 18:56:31,547 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 18:56:31,547 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 18:56:31,547 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 18:56:31,547 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 18:56:31,548 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 18:56:31,548 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 18:56:31,548 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f06ec0c4-84b1-49c6-a366-2d1585bcd5f3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 18:56:31,555 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 18:56:31,556 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 18:56:31,556 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 18:56:31,556 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 18:56:31,557 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 18:56:31,557 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 18:56:31,557 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 18:56:31,557 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 18:56:31,557 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 18:56:31,557 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 18:56:31,557 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 18:56:31,558 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 18:56:31,558 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 18:56:31,558 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 18:56:31,558 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 18:56:31,559 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 18:56:31,559 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 18:56:31,559 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 18:56:31,559 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 18:56:31,559 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 18:56:31,559 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 18:56:31,560 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 18:56:31,560 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 18:56:31,560 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 18:56:31,560 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 18:56:31,560 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 18:56:31,560 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 18:56:31,560 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 18:56:31,560 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 18:56:31,561 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 18:56:31,561 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 18:56:31,561 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 18:56:31,561 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 18:56:31,561 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 18:56:31,561 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 18:56:31,561 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 18:56:31,561 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_f06ec0c4-84b1-49c6-a366-2d1585bcd5f3/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 -> 5a32e026edf0616eb4045a18a8b0546054fb92f7 [2018-12-02 18:56:31,585 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 18:56:31,591 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 18:56:31,593 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 18:56:31,594 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 18:56:31,594 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 18:56:31,595 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f06ec0c4-84b1-49c6-a366-2d1585bcd5f3/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label09_true-unreach-call.c [2018-12-02 18:56:31,628 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f06ec0c4-84b1-49c6-a366-2d1585bcd5f3/bin-2019/utaipan/data/b9ebb15c7/f00230e94b5348f9b13d67418ebcc2ae/FLAGc50822aac [2018-12-02 18:56:32,060 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 18:56:32,060 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f06ec0c4-84b1-49c6-a366-2d1585bcd5f3/sv-benchmarks/c/eca-rers2012/Problem16_label09_true-unreach-call.c [2018-12-02 18:56:32,069 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f06ec0c4-84b1-49c6-a366-2d1585bcd5f3/bin-2019/utaipan/data/b9ebb15c7/f00230e94b5348f9b13d67418ebcc2ae/FLAGc50822aac [2018-12-02 18:56:32,077 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f06ec0c4-84b1-49c6-a366-2d1585bcd5f3/bin-2019/utaipan/data/b9ebb15c7/f00230e94b5348f9b13d67418ebcc2ae [2018-12-02 18:56:32,079 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 18:56:32,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 18:56:32,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 18:56:32,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 18:56:32,083 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 18:56:32,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:56:32" (1/1) ... [2018-12-02 18:56:32,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cdf4af6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:32, skipping insertion in model container [2018-12-02 18:56:32,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:56:32" (1/1) ... [2018-12-02 18:56:32,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 18:56:32,124 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 18:56:32,416 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:56:32,418 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 18:56:32,590 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:56:32,601 INFO L195 MainTranslator]: Completed translation [2018-12-02 18:56:32,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:32 WrapperNode [2018-12-02 18:56:32,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 18:56:32,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 18:56:32,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 18:56:32,602 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 18:56:32,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:32" (1/1) ... [2018-12-02 18:56:32,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:32" (1/1) ... [2018-12-02 18:56:32,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 18:56:32,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 18:56:32,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 18:56:32,627 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 18:56:32,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:32" (1/1) ... [2018-12-02 18:56:32,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:32" (1/1) ... [2018-12-02 18:56:32,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:32" (1/1) ... [2018-12-02 18:56:32,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:32" (1/1) ... [2018-12-02 18:56:32,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:32" (1/1) ... [2018-12-02 18:56:32,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:32" (1/1) ... [2018-12-02 18:56:32,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:32" (1/1) ... [2018-12-02 18:56:32,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 18:56:32,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 18:56:32,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 18:56:32,689 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 18:56:32,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f06ec0c4-84b1-49c6-a366-2d1585bcd5f3/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 18:56:32,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 18:56:32,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 18:56:32,723 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-02 18:56:32,723 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-02 18:56:32,723 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 18:56:32,723 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 18:56:32,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 18:56:32,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 18:56:32,724 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 18:56:32,724 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 18:56:33,982 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 18:56:33,982 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 18:56:33,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:56:33 BoogieIcfgContainer [2018-12-02 18:56:33,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 18:56:33,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 18:56:33,983 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 18:56:33,985 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 18:56:33,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:56:32" (1/3) ... [2018-12-02 18:56:33,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c1332aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:56:33, skipping insertion in model container [2018-12-02 18:56:33,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:32" (2/3) ... [2018-12-02 18:56:33,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c1332aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:56:33, skipping insertion in model container [2018-12-02 18:56:33,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:56:33" (3/3) ... [2018-12-02 18:56:33,987 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label09_true-unreach-call.c [2018-12-02 18:56:33,992 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 18:56:33,997 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 18:56:34,007 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 18:56:34,027 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 18:56:34,028 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 18:56:34,028 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 18:56:34,028 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 18:56:34,028 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 18:56:34,028 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 18:56:34,028 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 18:56:34,028 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 18:56:34,043 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-02 18:56:34,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 18:56:34,048 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:56:34,048 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] [2018-12-02 18:56:34,049 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:56:34,053 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:56:34,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1688658390, now seen corresponding path program 1 times [2018-12-02 18:56:34,054 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 18:56:34,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:56:34,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:56:34,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:56:34,084 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 18:56:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:34,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:56:34,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:56:34,220 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 18:56:34,220 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 18:56:34,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 18:56:34,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 18:56:34,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 18:56:34,237 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-12-02 18:56:35,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:56:35,505 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-12-02 18:56:35,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 18:56:35,506 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-02 18:56:35,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:56:35,519 INFO L225 Difference]: With dead ends: 1153 [2018-12-02 18:56:35,519 INFO L226 Difference]: Without dead ends: 682 [2018-12-02 18:56:35,525 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 18:56:35,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2018-12-02 18:56:35,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2018-12-02 18:56:35,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-12-02 18:56:35,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1184 transitions. [2018-12-02 18:56:35,580 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1184 transitions. Word has length 53 [2018-12-02 18:56:35,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:56:35,581 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 1184 transitions. [2018-12-02 18:56:35,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 18:56:35,581 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1184 transitions. [2018-12-02 18:56:35,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-02 18:56:35,585 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:56:35,585 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:56:35,586 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:56:35,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:56:35,586 INFO L82 PathProgramCache]: Analyzing trace with hash -956532517, now seen corresponding path program 1 times [2018-12-02 18:56:35,586 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 18:56:35,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:56:35,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:56:35,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:56:35,588 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 18:56:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:35,700 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:56:35,700 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:56:35,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 18:56:35,700 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 18:56:35,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 18:56:35,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 18:56:35,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 18:56:35,702 INFO L87 Difference]: Start difference. First operand 682 states and 1184 transitions. Second operand 5 states. [2018-12-02 18:56:37,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:56:37,077 INFO L93 Difference]: Finished difference Result 2061 states and 3602 transitions. [2018-12-02 18:56:37,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 18:56:37,077 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2018-12-02 18:56:37,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:56:37,082 INFO L225 Difference]: With dead ends: 2061 [2018-12-02 18:56:37,082 INFO L226 Difference]: Without dead ends: 1385 [2018-12-02 18:56:37,083 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 18:56:37,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2018-12-02 18:56:37,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1377. [2018-12-02 18:56:37,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1377 states. [2018-12-02 18:56:37,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1377 states and 2120 transitions. [2018-12-02 18:56:37,113 INFO L78 Accepts]: Start accepts. Automaton has 1377 states and 2120 transitions. Word has length 124 [2018-12-02 18:56:37,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:56:37,113 INFO L480 AbstractCegarLoop]: Abstraction has 1377 states and 2120 transitions. [2018-12-02 18:56:37,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 18:56:37,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 2120 transitions. [2018-12-02 18:56:37,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-02 18:56:37,115 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:56:37,115 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:56:37,116 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:56:37,116 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:56:37,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1084580230, now seen corresponding path program 1 times [2018-12-02 18:56:37,116 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 18:56:37,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:56:37,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:56:37,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:56:37,117 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 18:56:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:37,246 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 18:56:37,246 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:56:37,246 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 18:56:37,247 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-12-02 18:56:37,249 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 18:56:37,282 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 18:56:37,282 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 18:56:37,483 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 18:56:37,484 INFO L272 AbstractInterpreter]: Visited 104 different actions 104 times. Never merged. Never widened. Performed 926 root evaluator evaluations with a maximum evaluation depth of 9. Performed 926 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Never found a fixpoint. Largest state had 24 variables. [2018-12-02 18:56:37,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:56:37,498 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 18:56:37,657 INFO L227 lantSequenceWeakener]: Weakened 147 states. On average, predicates are now at 78.32% of their original sizes. [2018-12-02 18:56:37,657 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 18:56:37,686 INFO L418 sIntCurrentIteration]: We unified 152 AI predicates to 152 [2018-12-02 18:56:37,686 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 18:56:37,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 18:56:37,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2018-12-02 18:56:37,687 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 18:56:37,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 18:56:37,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 18:56:37,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 18:56:37,688 INFO L87 Difference]: Start difference. First operand 1377 states and 2120 transitions. Second operand 6 states. [2018-12-02 18:56:57,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:56:57,674 INFO L93 Difference]: Finished difference Result 3086 states and 4680 transitions. [2018-12-02 18:56:57,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 18:56:57,674 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2018-12-02 18:56:57,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:56:57,678 INFO L225 Difference]: With dead ends: 3086 [2018-12-02 18:56:57,678 INFO L226 Difference]: Without dead ends: 1715 [2018-12-02 18:56:57,679 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 153 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 18:56:57,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2018-12-02 18:56:57,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1714. [2018-12-02 18:56:57,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1714 states. [2018-12-02 18:56:57,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1714 states and 2464 transitions. [2018-12-02 18:56:57,700 INFO L78 Accepts]: Start accepts. Automaton has 1714 states and 2464 transitions. Word has length 153 [2018-12-02 18:56:57,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:56:57,701 INFO L480 AbstractCegarLoop]: Abstraction has 1714 states and 2464 transitions. [2018-12-02 18:56:57,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 18:56:57,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1714 states and 2464 transitions. [2018-12-02 18:56:57,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-02 18:56:57,703 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:56:57,703 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:56:57,703 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:56:57,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:56:57,703 INFO L82 PathProgramCache]: Analyzing trace with hash -197723745, now seen corresponding path program 1 times [2018-12-02 18:56:57,703 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 18:56:57,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:56:57,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:56:57,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:56:57,704 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 18:56:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:57,832 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 158 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:56:57,832 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:56:57,832 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 18:56:57,832 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 245 with the following transitions: [2018-12-02 18:56:57,833 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 18:56:57,835 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 18:56:57,835 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 18:56:58,031 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 18:56:58,031 INFO L272 AbstractInterpreter]: Visited 109 different actions 422 times. Merged at 6 different actions 19 times. Never widened. Performed 4026 root evaluator evaluations with a maximum evaluation depth of 9. Performed 4026 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 18:56:58,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:56:58,034 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 18:56:58,034 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:56:58,034 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f06ec0c4-84b1-49c6-a366-2d1585bcd5f3/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 18:56:58,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:56:58,042 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 18:56:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:58,106 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 18:56:58,210 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 181 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:56:58,210 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 18:56:58,294 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 181 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:56:58,309 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 18:56:58,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2018-12-02 18:56:58,310 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 18:56:58,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 18:56:58,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 18:56:58,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 18:56:58,311 INFO L87 Difference]: Start difference. First operand 1714 states and 2464 transitions. Second operand 10 states. [2018-12-02 18:57:01,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:57:01,507 INFO L93 Difference]: Finished difference Result 5207 states and 7765 transitions. [2018-12-02 18:57:01,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-02 18:57:01,508 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 244 [2018-12-02 18:57:01,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:57:01,515 INFO L225 Difference]: With dead ends: 5207 [2018-12-02 18:57:01,515 INFO L226 Difference]: Without dead ends: 3444 [2018-12-02 18:57:01,518 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 491 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2018-12-02 18:57:01,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3444 states. [2018-12-02 18:57:01,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3444 to 3435. [2018-12-02 18:57:01,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3435 states. [2018-12-02 18:57:01,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3435 states to 3435 states and 3752 transitions. [2018-12-02 18:57:01,557 INFO L78 Accepts]: Start accepts. Automaton has 3435 states and 3752 transitions. Word has length 244 [2018-12-02 18:57:01,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:57:01,558 INFO L480 AbstractCegarLoop]: Abstraction has 3435 states and 3752 transitions. [2018-12-02 18:57:01,558 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 18:57:01,558 INFO L276 IsEmpty]: Start isEmpty. Operand 3435 states and 3752 transitions. [2018-12-02 18:57:01,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2018-12-02 18:57:01,561 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:57:01,562 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:57:01,562 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:57:01,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:57:01,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1772027342, now seen corresponding path program 1 times [2018-12-02 18:57:01,562 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 18:57:01,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:57:01,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:57:01,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:57:01,563 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 18:57:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:57:01,686 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-12-02 18:57:01,686 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:57:01,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 18:57:01,686 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 18:57:01,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 18:57:01,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 18:57:01,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 18:57:01,687 INFO L87 Difference]: Start difference. First operand 3435 states and 3752 transitions. Second operand 4 states. [2018-12-02 18:57:02,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:57:02,717 INFO L93 Difference]: Finished difference Result 6525 states and 7179 transitions. [2018-12-02 18:57:02,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 18:57:02,717 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 421 [2018-12-02 18:57:02,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:57:02,729 INFO L225 Difference]: With dead ends: 6525 [2018-12-02 18:57:02,729 INFO L226 Difference]: Without dead ends: 4114 [2018-12-02 18:57:02,733 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 18:57:02,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4114 states. [2018-12-02 18:57:02,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4114 to 3435. [2018-12-02 18:57:02,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3435 states. [2018-12-02 18:57:02,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3435 states to 3435 states and 3713 transitions. [2018-12-02 18:57:02,773 INFO L78 Accepts]: Start accepts. Automaton has 3435 states and 3713 transitions. Word has length 421 [2018-12-02 18:57:02,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:57:02,774 INFO L480 AbstractCegarLoop]: Abstraction has 3435 states and 3713 transitions. [2018-12-02 18:57:02,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 18:57:02,774 INFO L276 IsEmpty]: Start isEmpty. Operand 3435 states and 3713 transitions. [2018-12-02 18:57:02,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2018-12-02 18:57:02,781 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:57:02,781 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:57:02,781 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:57:02,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:57:02,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1779248463, now seen corresponding path program 1 times [2018-12-02 18:57:02,782 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 18:57:02,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:57:02,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:57:02,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:57:02,782 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 18:57:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:57:03,003 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 369 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-12-02 18:57:03,003 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:57:03,003 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 18:57:03,003 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 537 with the following transitions: [2018-12-02 18:57:03,003 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 18:57:03,007 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 18:57:03,007 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 18:57:03,441 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 18:57:03,441 INFO L272 AbstractInterpreter]: Visited 249 different actions 988 times. Merged at 7 different actions 24 times. Never widened. Performed 11594 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11594 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 6 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 18:57:03,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:57:03,452 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 18:57:03,452 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:57:03,452 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f06ec0c4-84b1-49c6-a366-2d1585bcd5f3/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 18:57:03,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:57:03,458 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 18:57:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:57:03,529 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 18:57:03,696 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 369 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-12-02 18:57:03,696 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 18:57:03,848 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 369 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-12-02 18:57:03,864 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 18:57:03,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-02 18:57:03,864 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 18:57:03,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 18:57:03,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 18:57:03,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-02 18:57:03,866 INFO L87 Difference]: Start difference. First operand 3435 states and 3713 transitions. Second operand 9 states. [2018-12-02 18:57:05,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:57:05,868 INFO L93 Difference]: Finished difference Result 8360 states and 9374 transitions. [2018-12-02 18:57:05,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 18:57:05,868 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 536 [2018-12-02 18:57:05,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:57:05,881 INFO L225 Difference]: With dead ends: 8360 [2018-12-02 18:57:05,881 INFO L226 Difference]: Without dead ends: 5268 [2018-12-02 18:57:05,887 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1093 GetRequests, 1075 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-12-02 18:57:05,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5268 states. [2018-12-02 18:57:05,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5268 to 5232. [2018-12-02 18:57:05,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5232 states. [2018-12-02 18:57:05,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5232 states to 5232 states and 5685 transitions. [2018-12-02 18:57:05,964 INFO L78 Accepts]: Start accepts. Automaton has 5232 states and 5685 transitions. Word has length 536 [2018-12-02 18:57:05,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:57:05,965 INFO L480 AbstractCegarLoop]: Abstraction has 5232 states and 5685 transitions. [2018-12-02 18:57:05,965 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 18:57:05,965 INFO L276 IsEmpty]: Start isEmpty. Operand 5232 states and 5685 transitions. [2018-12-02 18:57:05,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 726 [2018-12-02 18:57:05,969 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:57:05,969 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:57:05,969 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:57:05,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:57:05,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1561215206, now seen corresponding path program 1 times [2018-12-02 18:57:05,970 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 18:57:05,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:57:05,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:57:05,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:57:05,970 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 18:57:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:57:06,998 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 429 proven. 354 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-02 18:57:06,998 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:57:06,999 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 18:57:06,999 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 726 with the following transitions: [2018-12-02 18:57:06,999 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 18:57:07,004 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 18:57:07,004 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 18:57:07,163 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 18:57:07,163 INFO L272 AbstractInterpreter]: Visited 259 different actions 512 times. Merged at 4 different actions 4 times. Never widened. Performed 5489 root evaluator evaluations with a maximum evaluation depth of 10. Performed 5489 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 18:57:07,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:57:07,164 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 18:57:07,566 INFO L227 lantSequenceWeakener]: Weakened 722 states. On average, predicates are now at 77.54% of their original sizes. [2018-12-02 18:57:07,566 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 18:57:07,628 INFO L418 sIntCurrentIteration]: We unified 724 AI predicates to 724 [2018-12-02 18:57:07,629 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 18:57:07,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 18:57:07,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-12-02 18:57:07,629 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 18:57:07,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 18:57:07,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 18:57:07,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 18:57:07,630 INFO L87 Difference]: Start difference. First operand 5232 states and 5685 transitions. Second operand 10 states. [2018-12-02 18:57:44,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:57:44,557 INFO L93 Difference]: Finished difference Result 10462 states and 11384 transitions. [2018-12-02 18:57:44,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 18:57:44,557 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 725 [2018-12-02 18:57:44,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:57:44,565 INFO L225 Difference]: With dead ends: 10462 [2018-12-02 18:57:44,566 INFO L226 Difference]: Without dead ends: 5573 [2018-12-02 18:57:44,570 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 732 GetRequests, 716 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-02 18:57:44,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5573 states. [2018-12-02 18:57:44,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5573 to 5571. [2018-12-02 18:57:44,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5571 states. [2018-12-02 18:57:44,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5571 states to 5571 states and 6031 transitions. [2018-12-02 18:57:44,624 INFO L78 Accepts]: Start accepts. Automaton has 5571 states and 6031 transitions. Word has length 725 [2018-12-02 18:57:44,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:57:44,625 INFO L480 AbstractCegarLoop]: Abstraction has 5571 states and 6031 transitions. [2018-12-02 18:57:44,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 18:57:44,625 INFO L276 IsEmpty]: Start isEmpty. Operand 5571 states and 6031 transitions. [2018-12-02 18:57:44,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 734 [2018-12-02 18:57:44,630 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:57:44,630 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:57:44,630 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:57:44,631 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:57:44,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1207088246, now seen corresponding path program 1 times [2018-12-02 18:57:44,631 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 18:57:44,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:57:44,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:57:44,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:57:44,632 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 18:57:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:57:44,945 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 487 proven. 2 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2018-12-02 18:57:44,945 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:57:44,945 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 18:57:44,946 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 734 with the following transitions: [2018-12-02 18:57:44,946 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 18:57:44,948 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 18:57:44,948 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 18:57:45,183 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 18:57:45,183 INFO L272 AbstractInterpreter]: Visited 259 different actions 764 times. Merged at 4 different actions 7 times. Never widened. Performed 8936 root evaluator evaluations with a maximum evaluation depth of 9. Performed 8936 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 18:57:45,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:57:45,184 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 18:57:45,534 INFO L227 lantSequenceWeakener]: Weakened 730 states. On average, predicates are now at 80.24% of their original sizes. [2018-12-02 18:57:45,534 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 18:57:45,567 INFO L418 sIntCurrentIteration]: We unified 732 AI predicates to 732 [2018-12-02 18:57:45,568 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 18:57:45,568 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 18:57:45,568 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-12-02 18:57:45,568 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 18:57:45,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 18:57:45,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 18:57:45,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 18:57:45,569 INFO L87 Difference]: Start difference. First operand 5571 states and 6031 transitions. Second operand 9 states. [2018-12-02 18:58:56,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:58:56,414 INFO L93 Difference]: Finished difference Result 10805 states and 11734 transitions. [2018-12-02 18:58:56,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 18:58:56,414 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 733 [2018-12-02 18:58:56,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:58:56,423 INFO L225 Difference]: With dead ends: 10805 [2018-12-02 18:58:56,423 INFO L226 Difference]: Without dead ends: 5916 [2018-12-02 18:58:56,427 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 739 GetRequests, 725 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-02 18:58:56,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5916 states. [2018-12-02 18:58:56,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5916 to 5912. [2018-12-02 18:58:56,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5912 states. [2018-12-02 18:58:56,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5912 states to 5912 states and 6379 transitions. [2018-12-02 18:58:56,487 INFO L78 Accepts]: Start accepts. Automaton has 5912 states and 6379 transitions. Word has length 733 [2018-12-02 18:58:56,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:58:56,488 INFO L480 AbstractCegarLoop]: Abstraction has 5912 states and 6379 transitions. [2018-12-02 18:58:56,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 18:58:56,488 INFO L276 IsEmpty]: Start isEmpty. Operand 5912 states and 6379 transitions. [2018-12-02 18:58:56,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 804 [2018-12-02 18:58:56,494 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:58:56,495 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:58:56,495 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:58:56,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:58:56,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1283090066, now seen corresponding path program 1 times [2018-12-02 18:58:56,495 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 18:58:56,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:58:56,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:58:56,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:58:56,496 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 18:58:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:58:56,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1255 backedges. 636 proven. 2 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2018-12-02 18:58:56,823 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:58:56,823 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 18:58:56,823 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 804 with the following transitions: [2018-12-02 18:58:56,823 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1272], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 18:58:56,825 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 18:58:56,826 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 18:58:57,305 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 18:58:57,305 INFO L272 AbstractInterpreter]: Visited 259 different actions 1298 times. Merged at 9 different actions 46 times. Widened at 1 different actions 2 times. Performed 15843 root evaluator evaluations with a maximum evaluation depth of 15. Performed 15843 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 12 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 18:58:57,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:58:57,307 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 18:58:57,308 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:58:57,308 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f06ec0c4-84b1-49c6-a366-2d1585bcd5f3/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 18:58:57,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:58:57,313 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 18:58:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:58:57,407 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 18:58:57,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1255 backedges. 636 proven. 2 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2018-12-02 18:58:57,579 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 18:58:57,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1255 backedges. 636 proven. 2 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2018-12-02 18:58:57,845 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 18:58:57,845 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-02 18:58:57,846 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 18:58:57,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 18:58:57,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 18:58:57,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-02 18:58:57,846 INFO L87 Difference]: Start difference. First operand 5912 states and 6379 transitions. Second operand 9 states. [2018-12-02 18:58:59,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:58:59,274 INFO L93 Difference]: Finished difference Result 12137 states and 13148 transitions. [2018-12-02 18:58:59,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 18:58:59,275 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 803 [2018-12-02 18:58:59,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:58:59,292 INFO L225 Difference]: With dead ends: 12137 [2018-12-02 18:58:59,292 INFO L226 Difference]: Without dead ends: 6907 [2018-12-02 18:58:59,301 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1623 GetRequests, 1607 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-12-02 18:58:59,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6907 states. [2018-12-02 18:58:59,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6907 to 6875. [2018-12-02 18:58:59,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6875 states. [2018-12-02 18:58:59,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6875 states to 6875 states and 7218 transitions. [2018-12-02 18:58:59,358 INFO L78 Accepts]: Start accepts. Automaton has 6875 states and 7218 transitions. Word has length 803 [2018-12-02 18:58:59,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:58:59,358 INFO L480 AbstractCegarLoop]: Abstraction has 6875 states and 7218 transitions. [2018-12-02 18:58:59,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 18:58:59,358 INFO L276 IsEmpty]: Start isEmpty. Operand 6875 states and 7218 transitions. [2018-12-02 18:58:59,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 830 [2018-12-02 18:58:59,364 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:58:59,364 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:58:59,364 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:58:59,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:58:59,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1815376526, now seen corresponding path program 1 times [2018-12-02 18:58:59,365 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 18:58:59,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:58:59,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:58:59,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:58:59,365 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 18:58:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:58:59,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 235 proven. 538 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2018-12-02 18:58:59,782 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:58:59,782 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 18:58:59,782 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 830 with the following transitions: [2018-12-02 18:58:59,782 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 18:58:59,784 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 18:58:59,784 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 18:59:00,228 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 18:59:00,229 INFO L272 AbstractInterpreter]: Visited 251 different actions 1009 times. Merged at 9 different actions 37 times. Widened at 1 different actions 1 times. Performed 11820 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11820 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-02 18:59:00,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:59:00,230 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 18:59:00,230 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:59:00,230 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f06ec0c4-84b1-49c6-a366-2d1585bcd5f3/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 18:59:00,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:59:00,236 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 18:59:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:59:00,329 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 18:59:00,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 1094 trivial. 0 not checked. [2018-12-02 18:59:00,501 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 18:59:00,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 1094 trivial. 0 not checked. [2018-12-02 18:59:00,749 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 18:59:00,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-02 18:59:00,750 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 18:59:00,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 18:59:00,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 18:59:00,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-02 18:59:00,750 INFO L87 Difference]: Start difference. First operand 6875 states and 7218 transitions. Second operand 3 states. [2018-12-02 18:59:01,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:59:01,233 INFO L93 Difference]: Finished difference Result 11359 states and 11984 transitions. [2018-12-02 18:59:01,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 18:59:01,234 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 829 [2018-12-02 18:59:01,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:59:01,242 INFO L225 Difference]: With dead ends: 11359 [2018-12-02 18:59:01,242 INFO L226 Difference]: Without dead ends: 6875 [2018-12-02 18:59:01,246 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1668 GetRequests, 1658 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-02 18:59:01,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6875 states. [2018-12-02 18:59:01,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6875 to 6871. [2018-12-02 18:59:01,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6871 states. [2018-12-02 18:59:01,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6871 states to 6871 states and 7148 transitions. [2018-12-02 18:59:01,296 INFO L78 Accepts]: Start accepts. Automaton has 6871 states and 7148 transitions. Word has length 829 [2018-12-02 18:59:01,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:59:01,296 INFO L480 AbstractCegarLoop]: Abstraction has 6871 states and 7148 transitions. [2018-12-02 18:59:01,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 18:59:01,296 INFO L276 IsEmpty]: Start isEmpty. Operand 6871 states and 7148 transitions. [2018-12-02 18:59:01,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1390 [2018-12-02 18:59:01,307 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:59:01,308 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:59:01,308 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:59:01,308 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:59:01,308 INFO L82 PathProgramCache]: Analyzing trace with hash 299097938, now seen corresponding path program 1 times [2018-12-02 18:59:01,308 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 18:59:01,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:59:01,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:59:01,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:59:01,309 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 18:59:01,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:59:02,821 INFO L134 CoverageAnalysis]: Checked inductivity of 3686 backedges. 1869 proven. 258 refuted. 0 times theorem prover too weak. 1559 trivial. 0 not checked. [2018-12-02 18:59:02,821 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:59:02,821 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 18:59:02,821 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1390 with the following transitions: [2018-12-02 18:59:02,822 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1272], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-02 18:59:02,824 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 18:59:02,824 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 18:59:03,559 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 18:59:03,560 INFO L272 AbstractInterpreter]: Visited 320 different actions 1591 times. Merged at 11 different actions 46 times. Widened at 1 different actions 1 times. Performed 19958 root evaluator evaluations with a maximum evaluation depth of 19. Performed 19958 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 15 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-02 18:59:03,564 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:59:03,564 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 18:59:03,564 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:59:03,565 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f06ec0c4-84b1-49c6-a366-2d1585bcd5f3/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 18:59:03,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:59:03,570 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 18:59:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:59:03,725 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 18:59:04,259 INFO L134 CoverageAnalysis]: Checked inductivity of 3686 backedges. 1415 proven. 2 refuted. 0 times theorem prover too weak. 2269 trivial. 0 not checked. [2018-12-02 18:59:04,259 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 18:59:05,043 INFO L134 CoverageAnalysis]: Checked inductivity of 3686 backedges. 1415 proven. 2 refuted. 0 times theorem prover too weak. 2269 trivial. 0 not checked. [2018-12-02 18:59:05,059 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 18:59:05,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 19 [2018-12-02 18:59:05,059 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 18:59:05,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-02 18:59:05,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-02 18:59:05,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2018-12-02 18:59:05,060 INFO L87 Difference]: Start difference. First operand 6871 states and 7148 transitions. Second operand 18 states. [2018-12-02 18:59:08,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:59:08,615 INFO L93 Difference]: Finished difference Result 13109 states and 13718 transitions. [2018-12-02 18:59:08,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-12-02 18:59:08,615 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1389 [2018-12-02 18:59:08,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:59:08,626 INFO L225 Difference]: With dead ends: 13109 [2018-12-02 18:59:08,626 INFO L226 Difference]: Without dead ends: 8286 [2018-12-02 18:59:08,632 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2861 GetRequests, 2807 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 658 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=620, Invalid=2136, Unknown=0, NotChecked=0, Total=2756 [2018-12-02 18:59:08,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8286 states. [2018-12-02 18:59:08,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8286 to 7925. [2018-12-02 18:59:08,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7925 states. [2018-12-02 18:59:08,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7925 states to 7925 states and 8207 transitions. [2018-12-02 18:59:08,705 INFO L78 Accepts]: Start accepts. Automaton has 7925 states and 8207 transitions. Word has length 1389 [2018-12-02 18:59:08,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:59:08,706 INFO L480 AbstractCegarLoop]: Abstraction has 7925 states and 8207 transitions. [2018-12-02 18:59:08,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-02 18:59:08,706 INFO L276 IsEmpty]: Start isEmpty. Operand 7925 states and 8207 transitions. [2018-12-02 18:59:08,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1418 [2018-12-02 18:59:08,717 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:59:08,718 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:59:08,718 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:59:08,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:59:08,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1219038650, now seen corresponding path program 1 times [2018-12-02 18:59:08,718 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 18:59:08,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:59:08,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:59:08,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:59:08,719 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 18:59:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:59:09,483 INFO L134 CoverageAnalysis]: Checked inductivity of 3121 backedges. 1345 proven. 2 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-12-02 18:59:09,483 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:59:09,483 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 18:59:09,483 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1418 with the following transitions: [2018-12-02 18:59:09,483 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-02 18:59:09,486 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 18:59:09,486 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 18:59:10,481 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 18:59:10,481 INFO L272 AbstractInterpreter]: Visited 318 different actions 1261 times. Merged at 8 different actions 30 times. Widened at 1 different actions 1 times. Performed 15392 root evaluator evaluations with a maximum evaluation depth of 22. Performed 15392 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-02 18:59:10,483 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:59:10,483 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 18:59:10,483 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:59:10,483 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f06ec0c4-84b1-49c6-a366-2d1585bcd5f3/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 18:59:10,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:59:10,489 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 18:59:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:59:10,633 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 18:59:11,190 INFO L134 CoverageAnalysis]: Checked inductivity of 3121 backedges. 1345 proven. 2 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-12-02 18:59:11,190 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 18:59:11,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3121 backedges. 1345 proven. 2 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-12-02 18:59:11,956 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 18:59:11,957 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-02 18:59:11,957 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 18:59:11,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 18:59:11,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 18:59:11,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-02 18:59:11,958 INFO L87 Difference]: Start difference. First operand 7925 states and 8207 transitions. Second operand 9 states. [2018-12-02 18:59:15,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:59:15,072 INFO L93 Difference]: Finished difference Result 15566 states and 16337 transitions. [2018-12-02 18:59:15,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 18:59:15,072 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1417 [2018-12-02 18:59:15,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:59:15,088 INFO L225 Difference]: With dead ends: 15566 [2018-12-02 18:59:15,088 INFO L226 Difference]: Without dead ends: 8644 [2018-12-02 18:59:15,096 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2863 GetRequests, 2840 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-12-02 18:59:15,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8644 states. [2018-12-02 18:59:15,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8644 to 8594. [2018-12-02 18:59:15,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8594 states. [2018-12-02 18:59:15,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8594 states to 8594 states and 8890 transitions. [2018-12-02 18:59:15,159 INFO L78 Accepts]: Start accepts. Automaton has 8594 states and 8890 transitions. Word has length 1417 [2018-12-02 18:59:15,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:59:15,160 INFO L480 AbstractCegarLoop]: Abstraction has 8594 states and 8890 transitions. [2018-12-02 18:59:15,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 18:59:15,160 INFO L276 IsEmpty]: Start isEmpty. Operand 8594 states and 8890 transitions. [2018-12-02 18:59:15,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1630 [2018-12-02 18:59:15,174 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:59:15,174 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:59:15,174 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:59:15,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:59:15,175 INFO L82 PathProgramCache]: Analyzing trace with hash 30891410, now seen corresponding path program 1 times [2018-12-02 18:59:15,175 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 18:59:15,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:59:15,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:59:15,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:59:15,175 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 18:59:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:59:17,828 INFO L134 CoverageAnalysis]: Checked inductivity of 5126 backedges. 2367 proven. 703 refuted. 0 times theorem prover too weak. 2056 trivial. 0 not checked. [2018-12-02 18:59:17,828 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:59:17,828 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 18:59:17,829 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1630 with the following transitions: [2018-12-02 18:59:17,829 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-02 18:59:17,831 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 18:59:17,831 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 18:59:18,604 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 18:59:18,604 INFO L272 AbstractInterpreter]: Visited 321 different actions 1277 times. Merged at 11 different actions 34 times. Never widened. Performed 15585 root evaluator evaluations with a maximum evaluation depth of 19. Performed 15585 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 15 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-02 18:59:18,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:59:18,606 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 18:59:18,606 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:59:18,606 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f06ec0c4-84b1-49c6-a366-2d1585bcd5f3/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 18:59:18,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:59:18,612 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 18:59:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:59:18,784 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 18:59:19,672 INFO L134 CoverageAnalysis]: Checked inductivity of 5126 backedges. 3649 proven. 6 refuted. 0 times theorem prover too weak. 1471 trivial. 0 not checked. [2018-12-02 18:59:19,673 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 18:59:21,169 INFO L134 CoverageAnalysis]: Checked inductivity of 5126 backedges. 1603 proven. 606 refuted. 0 times theorem prover too weak. 2917 trivial. 0 not checked. [2018-12-02 18:59:21,185 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 18:59:21,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 25 [2018-12-02 18:59:21,186 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 18:59:21,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-02 18:59:21,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-02 18:59:21,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2018-12-02 18:59:21,187 INFO L87 Difference]: Start difference. First operand 8594 states and 8890 transitions. Second operand 20 states. [2018-12-02 18:59:32,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:59:32,241 INFO L93 Difference]: Finished difference Result 17259 states and 17969 transitions. [2018-12-02 18:59:32,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-12-02 18:59:32,241 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1629 [2018-12-02 18:59:32,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:59:32,256 INFO L225 Difference]: With dead ends: 17259 [2018-12-02 18:59:32,256 INFO L226 Difference]: Without dead ends: 11058 [2018-12-02 18:59:32,266 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3386 GetRequests, 3296 SyntacticMatches, 2 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2324 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1403, Invalid=6607, Unknown=0, NotChecked=0, Total=8010 [2018-12-02 18:59:32,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11058 states. [2018-12-02 18:59:32,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11058 to 10641. [2018-12-02 18:59:32,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10641 states. [2018-12-02 18:59:32,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10641 states to 10641 states and 10970 transitions. [2018-12-02 18:59:32,350 INFO L78 Accepts]: Start accepts. Automaton has 10641 states and 10970 transitions. Word has length 1629 [2018-12-02 18:59:32,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:59:32,350 INFO L480 AbstractCegarLoop]: Abstraction has 10641 states and 10970 transitions. [2018-12-02 18:59:32,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-02 18:59:32,350 INFO L276 IsEmpty]: Start isEmpty. Operand 10641 states and 10970 transitions. [2018-12-02 18:59:32,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1633 [2018-12-02 18:59:32,365 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:59:32,365 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:59:32,365 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:59:32,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:59:32,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1296607561, now seen corresponding path program 1 times [2018-12-02 18:59:32,366 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 18:59:32,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:59:32,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:59:32,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:59:32,366 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 18:59:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:59:34,114 INFO L134 CoverageAnalysis]: Checked inductivity of 4351 backedges. 1108 proven. 541 refuted. 0 times theorem prover too weak. 2702 trivial. 0 not checked. [2018-12-02 18:59:34,114 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:59:34,114 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 18:59:34,115 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1633 with the following transitions: [2018-12-02 18:59:34,115 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-02 18:59:34,118 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 18:59:34,118 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 18:59:35,214 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 18:59:35,214 INFO L272 AbstractInterpreter]: Visited 319 different actions 1264 times. Merged at 9 different actions 29 times. Never widened. Performed 15402 root evaluator evaluations with a maximum evaluation depth of 22. Performed 15402 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 12 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-02 18:59:35,217 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:59:35,217 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 18:59:35,217 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 18:59:35,217 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f06ec0c4-84b1-49c6-a366-2d1585bcd5f3/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 18:59:35,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:59:35,223 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 18:59:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:59:35,383 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 18:59:36,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4351 backedges. 3049 proven. 2 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2018-12-02 18:59:36,307 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 18:59:38,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4351 backedges. 1147 proven. 486 refuted. 0 times theorem prover too weak. 2718 trivial. 0 not checked. [2018-12-02 18:59:38,527 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 18:59:38,527 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-12-02 18:59:38,527 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 18:59:38,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-02 18:59:38,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-02 18:59:38,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2018-12-02 18:59:38,528 INFO L87 Difference]: Start difference. First operand 10641 states and 10970 transitions. Second operand 15 states. [2018-12-02 18:59:46,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:59:46,700 INFO L93 Difference]: Finished difference Result 23873 states and 25006 transitions. [2018-12-02 18:59:46,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-12-02 18:59:46,700 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 1632 [2018-12-02 18:59:46,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:59:46,701 INFO L225 Difference]: With dead ends: 23873 [2018-12-02 18:59:46,701 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 18:59:46,716 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3337 GetRequests, 3287 SyntacticMatches, 5 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 473 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=394, Invalid=1768, Unknown=0, NotChecked=0, Total=2162 [2018-12-02 18:59:46,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 18:59:46,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 18:59:46,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 18:59:46,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 18:59:46,716 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1632 [2018-12-02 18:59:46,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:59:46,717 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 18:59:46,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-02 18:59:46,717 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 18:59:46,717 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 18:59:46,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 18:59:46,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:59:46,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:59:46,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:59:47,081 WARN L180 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 302 [2018-12-02 18:59:47,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:59:47,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:59:47,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:59:47,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:59:47,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:59:47,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:59:47,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:59:47,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:59:47,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:59:47,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:59:47,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:59:47,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 18:59:47,765 WARN L180 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 311 [2018-12-02 18:59:49,126 WARN L180 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 319 DAG size of output: 60 [2018-12-02 18:59:49,947 WARN L180 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 99 [2018-12-02 18:59:52,145 WARN L180 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 291 DAG size of output: 104 [2018-12-02 18:59:53,540 WARN L180 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 310 DAG size of output: 114 [2018-12-02 18:59:55,568 WARN L180 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 325 DAG size of output: 60 [2018-12-02 18:59:55,569 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 18:59:55,570 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (<= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-12-02 18:59:55,570 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 18:59:55,570 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,570 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-12-02 18:59:55,570 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,570 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,570 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,570 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,570 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,570 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,570 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,570 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,570 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,570 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,570 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,570 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,570 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,570 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,570 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,570 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,570 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,570 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,571 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,571 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,571 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,571 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,571 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,571 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,571 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,571 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,571 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,571 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse9 (<= ~a18~0 |old(~a18~0)|)) (.cse17 (= |old(~a15~0)| ~a15~0)) (.cse10 (= ~a16~0 |old(~a16~0)|)) (.cse11 (= |old(~a12~0)| ~a12~0)) (.cse6 (= 4 |old(~a15~0)|)) (.cse14 (+ |old(~a18~0)| 79)) (.cse13 (= 3 |old(~a15~0)|)) (.cse8 (= 11 |old(~a16~0)|))) (let ((.cse4 (= 5 |old(~a12~0)|)) (.cse5 (not .cse8)) (.cse1 (not .cse13)) (.cse18 (< 0 .cse14)) (.cse16 (+ ~a18~0 79)) (.cse3 (= 6 |old(~a12~0)|)) (.cse7 (= 8 |old(~a16~0)|)) (.cse19 (not .cse6)) (.cse12 (= 7 |old(~a12~0)|)) (.cse15 (< 8 |old(~a16~0)|)) (.cse0 (and .cse9 .cse17 .cse10 .cse11))) (and (or .cse0 (not (= 9 |old(~a16~0)|))) (or (= (+ ~a18~0 87) 0) (let ((.cse2 (not (= (+ |old(~a18~0)| 87) 0)))) (and (or .cse1 .cse2 (not .cse3)) (or .cse1 (not .cse4) .cse2))) .cse5) (or (or .cse6 .cse7 .cse8) (and .cse9 .cse10 (= ~a15~0 |old(~a15~0)|) .cse11)) (or .cse12 (and .cse13 .cse4 (<= .cse14 0) (< 0 (+ |old(~a18~0)| 156))) .cse15 (and (or (<= (+ ~a18~0 156) 0) (not (= 5 ~a12~0)) (not (= 8 ~a16~0)) (not (= ~a15~0 3)) (< 0 .cse16)) .cse10 (not (= ~a12~0 7)) .cse17)) (or .cse18 .cse1 .cse5 .cse0) (or .cse1 (and (<= |old(~a18~0)| 134) .cse18) (not .cse12) (and .cse9 .cse10 (= 3 ~a15~0) (or (<= .cse16 0) (< 134 ~a18~0)) .cse11)) (or .cse19 .cse0 .cse12 (< 7 |old(~a12~0)|) .cse8) (or .cse19 (not .cse7) .cse0) (or .cse3 .cse6 .cse0 .cse7) (or .cse19 .cse12 .cse15 .cse0)))) [2018-12-02 18:59:55,571 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,571 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,571 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,571 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,571 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,571 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,571 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,571 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-12-02 18:59:55,571 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,571 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,571 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,572 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,572 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,572 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,572 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,572 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,572 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-12-02 18:59:55,572 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,572 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,572 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,572 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,572 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,572 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,572 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,572 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,572 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,572 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,572 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,572 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,572 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,572 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-02 18:59:55,572 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,572 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-02 18:59:55,572 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-02 18:59:55,573 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse12 (+ ~a18~0 156)) (.cse8 (= 8 |old(~a16~0)|)) (.cse5 (<= ~a18~0 |old(~a18~0)|)) (.cse16 (= |old(~a15~0)| ~a15~0)) (.cse15 (= ~a16~0 |old(~a16~0)|)) (.cse6 (= |old(~a12~0)| ~a12~0)) (.cse7 (= 4 |old(~a15~0)|)) (.cse9 (= 11 |old(~a16~0)|))) (let ((.cse14 (+ ~a18~0 79)) (.cse11 (< 8 |old(~a16~0)|)) (.cse13 (not (= 5 ~a12~0))) (.cse22 (not (= 9 |old(~a16~0)|))) (.cse0 (not (= calculate_output_~input 0))) (.cse20 (= 6 |old(~a12~0)|)) (.cse4 (= |calculate_output_#in~input| 0)) (.cse10 (= 7 |old(~a12~0)|)) (.cse17 (< 0 (+ |old(~a18~0)| 79))) (.cse1 (not (= 3 |old(~a15~0)|))) (.cse3 (not .cse9)) (.cse18 (not .cse7)) (.cse19 (and .cse5 .cse16 .cse15 .cse6)) (.cse23 (not .cse8)) (.cse2 (not (= 5 |old(~a12~0)|))) (.cse21 (< 0 .cse12))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) (or (and (= |old(~a16~0)| ~a16~0) .cse5 (= ~a15~0 |old(~a15~0)|) .cse6) (or .cse7 .cse8 .cse9)) (or .cse10 .cse11 (and (or (<= .cse12 0) .cse13 (not (= 8 ~a16~0)) (not (= ~a15~0 3)) (< 0 .cse14)) .cse15 (not (= ~a12~0 7)) .cse16)) (or .cse1 (and (<= |old(~a18~0)| 134) .cse17) (not .cse10) (and .cse5 .cse15 (= 3 ~a15~0) (or (<= .cse14 0) (< 134 ~a18~0)) .cse6)) (or .cse18 .cse19 .cse10 .cse11) (or .cse20 .cse7 .cse19 .cse8) (or .cse18 (or (not (= calculate_output_~input 4)) .cse13 .cse21) .cse22) (or .cse19 .cse22) (or (and .cse0 (= (+ ~a18~0 87) 0)) (or (and (or .cse1 (not .cse20) .cse3) (or .cse1 .cse2 .cse3)) (not (= (+ |old(~a18~0)| 87) 0)) .cse4)) (or .cse18 .cse10 .cse19 (< 7 |old(~a12~0)|) .cse9) (or .cse17 .cse1 .cse3 .cse19) (or .cse18 .cse23 .cse19) (or .cse23 .cse2 (or (not (= ~a15~0 4)) (not (= calculate_output_~input 5)) .cse21))))) [2018-12-02 18:59:55,573 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,573 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-12-02 18:59:55,573 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,573 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,573 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,573 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,573 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,573 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,573 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,573 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-02 18:59:55,573 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-02 18:59:55,573 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,573 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-02 18:59:55,573 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,573 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,573 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,573 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,573 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,573 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,573 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,573 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,573 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,574 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,574 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,574 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,574 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,574 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,574 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,574 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-02 18:59:55,574 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,574 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-02 18:59:55,574 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-02 18:59:55,574 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,574 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,574 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,574 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,574 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,574 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,574 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,574 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,574 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,574 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,574 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-02 18:59:55,574 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-02 18:59:55,574 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,574 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-02 18:59:55,574 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,574 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,575 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,575 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,575 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,575 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,575 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,575 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,575 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,575 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,575 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,575 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,575 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-02 18:59:55,575 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,575 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-02 18:59:55,575 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-02 18:59:55,575 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,575 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,575 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,575 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,575 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,575 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,575 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,575 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,575 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,575 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,575 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,575 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,576 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-02 18:59:55,576 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,576 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-02 18:59:55,576 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,576 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-02 18:59:55,576 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,576 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,576 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,576 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,576 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,576 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,576 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,576 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,576 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,576 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,576 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,576 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,576 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,576 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-02 18:59:55,576 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-02 18:59:55,576 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-02 18:59:55,576 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,576 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,576 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,576 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,576 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,577 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,577 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,577 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,577 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,577 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,577 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,577 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,577 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-02 18:59:55,577 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,577 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-02 18:59:55,577 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-02 18:59:55,577 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,577 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,577 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,577 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,577 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,577 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,577 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse10 (<= ~a18~0 |old(~a18~0)|)) (.cse3 (= |old(~a15~0)| ~a15~0)) (.cse2 (= ~a16~0 |old(~a16~0)|)) (.cse11 (= |old(~a12~0)| ~a12~0)) (.cse12 (= 4 |old(~a15~0)|)) (.cse17 (+ |old(~a18~0)| 79))) (let ((.cse9 (= 11 |old(~a16~0)|)) (.cse8 (= 5 |old(~a12~0)|)) (.cse15 (+ ~a18~0 79)) (.cse14 (< 0 .cse17)) (.cse5 (not (= 3 |old(~a15~0)|))) (.cse6 (= 6 |old(~a12~0)|)) (.cse13 (= 8 |old(~a16~0)|)) (.cse16 (not .cse12)) (.cse0 (= 7 |old(~a12~0)|)) (.cse1 (< 8 |old(~a16~0)|)) (.cse4 (and .cse10 .cse3 .cse2 .cse11))) (and (or .cse0 .cse1 (and .cse2 (not (= ~a12~0 7)) .cse3)) (or .cse4 (not (= 9 |old(~a16~0)|))) (or (= (+ ~a18~0 87) 0) (or (let ((.cse7 (not .cse9))) (and (or .cse5 (not .cse6) .cse7) (or .cse5 (not .cse8) .cse7))) (not (= (+ |old(~a18~0)| 87) 0)) (= |calculate_output_#in~input| 0))) (or (and (= |old(~a16~0)| ~a16~0) .cse10 (= ~a15~0 |old(~a15~0)|) .cse11) (or .cse12 .cse13 .cse9)) (or .cse5 (and (<= |old(~a18~0)| 134) .cse14) (not .cse0) (and .cse10 .cse2 (= 3 ~a15~0) (or (<= .cse15 0) (< 134 ~a18~0)) .cse11)) (or .cse16 .cse4 .cse0 (< 7 |old(~a12~0)|) .cse9) (or .cse0 (and .cse8 (<= .cse17 0) (< 0 (+ |old(~a18~0)| 156))) .cse1 (or (<= (+ ~a18~0 156) 0) (not (= 5 ~a12~0)) (not (= 8 ~a16~0)) (not (= ~a15~0 3)) (< 0 .cse15))) (or .cse14 .cse5 .cse4 .cse13) (or .cse16 (not .cse13) .cse4) (or .cse6 .cse12 .cse4 .cse13) (or .cse16 .cse0 .cse1 .cse4)))) [2018-12-02 18:59:55,577 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,577 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,577 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,578 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,578 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,578 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,578 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,578 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,578 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,578 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-02 18:59:55,578 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-02 18:59:55,578 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-02 18:59:55,578 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,578 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,578 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,578 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,578 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,578 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,578 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,578 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,578 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,578 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,578 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,578 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-02 18:59:55,578 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,578 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-02 18:59:55,578 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-02 18:59:55,578 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,578 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,579 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,579 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,579 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,579 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,579 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,579 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,579 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,579 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,579 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,579 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,579 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-02 18:59:55,579 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-02 18:59:55,579 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-02 18:59:55,579 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,579 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,579 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,579 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,579 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,579 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,579 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,579 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,579 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,579 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,579 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,579 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,579 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-02 18:59:55,579 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,580 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-02 18:59:55,580 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-02 18:59:55,580 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,580 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,580 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,580 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,580 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,580 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,580 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,580 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,580 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,580 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,580 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,580 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,580 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-02 18:59:55,580 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-02 18:59:55,580 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-02 18:59:55,580 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,580 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,580 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,580 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,580 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,580 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,581 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,581 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,581 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,581 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,581 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,581 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,581 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,581 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-02 18:59:55,581 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-02 18:59:55,581 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,581 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,581 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,581 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,581 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,581 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,581 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,581 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,581 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,581 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,581 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-02 18:59:55,581 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-02 18:59:55,581 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2018-12-02 18:59:55,581 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,582 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,582 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,582 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,582 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,582 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,582 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,582 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,582 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,582 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,582 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,582 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,582 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,582 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,582 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-02 18:59:55,582 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-02 18:59:55,582 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,582 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,582 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,582 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,582 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,582 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,582 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,582 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,582 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,582 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,583 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-02 18:59:55,583 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-02 18:59:55,583 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,583 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,583 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,583 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,583 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,583 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,583 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,583 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,583 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,583 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,583 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,583 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,583 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,583 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,583 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,583 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-02 18:59:55,583 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-02 18:59:55,583 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,583 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,583 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,583 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,583 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,583 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,583 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,584 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,584 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-02 18:59:55,584 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,584 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,584 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,584 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,584 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-02 18:59:55,584 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-02 18:59:55,584 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-02 18:59:55,584 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,584 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,584 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,584 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,584 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,584 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,584 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,584 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,584 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,584 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,584 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,584 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,584 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,584 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,584 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-02 18:59:55,584 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-02 18:59:55,584 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-02 18:59:55,585 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,585 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,585 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,585 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,585 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,585 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,585 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,585 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,585 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,585 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,585 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,585 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,585 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,585 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,585 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,585 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-02 18:59:55,585 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-02 18:59:55,585 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-02 18:59:55,585 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,585 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,585 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,585 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,585 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,585 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,585 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,585 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,586 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 18:59:55,586 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-02 18:59:55,586 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-02 18:59:55,586 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-02 18:59:55,586 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,586 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,586 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-12-02 18:59:55,586 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 18:59:55,586 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= ~a15~0 3) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-12-02 18:59:55,586 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 18:59:55,586 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 18:59:55,586 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 11 |old(~a16~0)|)) (and (= (+ ~a18~0 87) 0) (= |old(~a15~0)| ~a15~0) (= ~a16~0 |old(~a16~0)|) (= |old(~a12~0)| ~a12~0))) [2018-12-02 18:59:55,586 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-12-02 18:59:55,586 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse1 (not (= ~a16~0 11))) (.cse2 (= 8 ~a16~0)) (.cse0 (not (= ~a12~0 7))) (.cse4 (= |old(~a15~0)| ~a15~0)) (.cse3 (= 7 ~a12~0))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 (<= ~a16~0 8)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (= 9 ~a16~0) (not (= 5 |old(~a12~0)|)) (and .cse1 .cse0 (<= ~a12~0 7)) (and .cse1 (not (= ~a15~0 4)) (not .cse2)) (and (= |old(~a16~0)| ~a16~0) .cse3 .cse4) (and .cse2 (= 4 ~a15~0)) (and (not (= ~a12~0 6)) .cse0 .cse4) (and (= ~a15~0 3) (or (and .cse3 (< 134 ~a18~0)) (<= (+ ~a18~0 79) 0))))) [2018-12-02 18:59:55,586 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-12-02 18:59:55,586 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-12-02 18:59:55,586 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse1 (not (= ~a16~0 11))) (.cse2 (= 8 ~a16~0)) (.cse0 (not (= ~a12~0 7))) (.cse4 (= |old(~a15~0)| ~a15~0)) (.cse3 (= 7 ~a12~0))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 (<= ~a16~0 8)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (= 9 ~a16~0) (not (= 5 |old(~a12~0)|)) (and .cse1 .cse0 (<= ~a12~0 7)) (and .cse1 (not (= ~a15~0 4)) (not .cse2)) (and (= |old(~a16~0)| ~a16~0) .cse3 .cse4) (and .cse2 (= 4 ~a15~0)) (and (not (= ~a12~0 6)) .cse0 .cse4) (and (= ~a15~0 3) (or (and .cse3 (< 134 ~a18~0)) (<= (+ ~a18~0 79) 0))))) [2018-12-02 18:59:55,586 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-12-02 18:59:55,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:59:55 BoogieIcfgContainer [2018-12-02 18:59:55,593 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 18:59:55,594 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 18:59:55,594 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 18:59:55,594 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 18:59:55,594 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:56:33" (3/4) ... [2018-12-02 18:59:55,596 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 18:59:55,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 18:59:55,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-02 18:59:55,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 18:59:55,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 18:59:55,612 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-02 18:59:55,613 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 18:59:55,632 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(11 == \old(a16)) || (!(a12 == 7) && a16 <= 8)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || 9 == a16) || !(5 == \old(a12))) || ((!(a16 == 11) && !(a12 == 7)) && a12 <= 7)) || ((!(a16 == 11) && !(a15 == 4)) && !(8 == a16))) || ((\old(a16) == a16 && 7 == a12) && \old(a15) == a15)) || (8 == a16 && 4 == a15)) || ((!(a12 == 6) && !(a12 == 7)) && \old(a15) == a15)) || (a15 == 3 && ((7 == a12 && 134 < a18) || a18 + 79 <= 0)) [2018-12-02 18:59:55,720 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f06ec0c4-84b1-49c6-a366-2d1585bcd5f3/bin-2019/utaipan/witness.graphml [2018-12-02 18:59:55,720 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 18:59:55,721 INFO L168 Benchmark]: Toolchain (without parser) took 203641.30 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 4.0 GB). Free memory was 942.7 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.9 GB. Max. memory is 11.5 GB. [2018-12-02 18:59:55,721 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:59:55,721 INFO L168 Benchmark]: CACSL2BoogieTranslator took 520.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 942.7 MB in the beginning and 1.1 GB in the end (delta: -129.2 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. [2018-12-02 18:59:55,721 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:59:55,722 INFO L168 Benchmark]: Boogie Preprocessor took 62.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-02 18:59:55,722 INFO L168 Benchmark]: RCFGBuilder took 1293.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -5.8 MB). Peak memory consumption was 230.8 MB. Max. memory is 11.5 GB. [2018-12-02 18:59:55,722 INFO L168 Benchmark]: TraceAbstraction took 201610.65 ms. Allocated memory was 1.1 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: -945.0 MB). Peak memory consumption was 4.6 GB. Max. memory is 11.5 GB. [2018-12-02 18:59:55,722 INFO L168 Benchmark]: Witness Printer took 126.55 ms. Allocated memory is still 5.0 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:59:55,723 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 520.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 942.7 MB in the beginning and 1.1 GB in the end (delta: -129.2 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1293.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -5.8 MB). Peak memory consumption was 230.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 201610.65 ms. Allocated memory was 1.1 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: -945.0 MB). Peak memory consumption was 4.6 GB. Max. memory is 11.5 GB. * Witness Printer took 126.55 ms. Allocated memory is still 5.0 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1773]: Loop Invariant Derived loop invariant: ((((((((((!(11 == \old(a16)) || (!(a12 == 7) && a16 <= 8)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || 9 == a16) || !(5 == \old(a12))) || ((!(a16 == 11) && !(a12 == 7)) && a12 <= 7)) || ((!(a16 == 11) && !(a15 == 4)) && !(8 == a16))) || ((\old(a16) == a16 && 7 == a12) && \old(a15) == a15)) || (8 == a16 && 4 == a15)) || ((!(a12 == 6) && !(a12 == 7)) && \old(a15) == a15)) || (a15 == 3 && ((7 == a12 && 134 < a18) || a18 + 79 <= 0)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 201.5s OverallTime, 14 OverallIterations, 10 TraceHistogramMax, 164.6s AutomataDifference, 0.0s DeadEndRemovalTime, 8.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1552 SDtfs, 27757 SDslu, 2109 SDs, 0 SdLazy, 56764 SolverSat, 6153 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 146.0s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 18990 GetRequests, 18657 SyntacticMatches, 23 SemanticMatches, 310 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3803 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10641occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.8s AbstIntTime, 11 AbstIntIterations, 3 AbstIntStrong, 0.9981343625493451 AbsIntWeakeningRatio, 0.05970149253731343 AbsIntAvgWeakeningVarsNumRemoved, 16.276119402985074 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 1603 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 801 PreInvPairs, 1098 NumberOfFragments, 1265 HoareAnnotationTreeSize, 801 FomulaSimplifications, 56784 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 101093 FormulaSimplificationTreeSizeReductionInter, 7.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 11.8s InterpolantComputationTime, 19167 NumberOfCodeBlocks, 19167 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 27616 ConstructedInterpolants, 0 QuantifiedInterpolants, 111486129 SizeOfPredicates, 5 NumberOfNonLiveVariables, 11199 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 30 InterpolantComputations, 5 PerfectInterpolantSequences, 57116/60706 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...