./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label06_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9d602f0c-c788-46b1-8d49-37c37a04f378/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9d602f0c-c788-46b1-8d49-37c37a04f378/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9d602f0c-c788-46b1-8d49-37c37a04f378/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9d602f0c-c788-46b1-8d49-37c37a04f378/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label06_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9d602f0c-c788-46b1-8d49-37c37a04f378/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9d602f0c-c788-46b1-8d49-37c37a04f378/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 0d6d504be06c544abd3f98aa8e24c2240a31073b ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 21:30:26,678 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 21:30:26,679 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 21:30:26,686 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 21:30:26,687 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 21:30:26,687 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 21:30:26,688 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 21:30:26,690 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 21:30:26,691 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 21:30:26,691 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 21:30:26,692 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 21:30:26,692 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 21:30:26,693 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 21:30:26,693 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 21:30:26,694 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 21:30:26,695 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 21:30:26,695 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 21:30:26,697 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 21:30:26,698 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 21:30:26,699 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 21:30:26,700 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 21:30:26,701 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 21:30:26,703 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 21:30:26,703 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 21:30:26,703 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 21:30:26,704 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 21:30:26,705 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 21:30:26,705 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 21:30:26,706 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 21:30:26,707 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 21:30:26,707 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 21:30:26,707 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 21:30:26,708 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 21:30:26,708 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 21:30:26,708 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 21:30:26,709 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 21:30:26,709 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9d602f0c-c788-46b1-8d49-37c37a04f378/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-22 21:30:26,720 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 21:30:26,720 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 21:30:26,720 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 21:30:26,721 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 21:30:26,721 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 21:30:26,721 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 21:30:26,721 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 21:30:26,721 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 21:30:26,721 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 21:30:26,721 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 21:30:26,722 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 21:30:26,722 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 21:30:26,722 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 21:30:26,722 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 21:30:26,723 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 21:30:26,723 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 21:30:26,723 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 21:30:26,723 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 21:30:26,723 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 21:30:26,723 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 21:30:26,723 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 21:30:26,723 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 21:30:26,724 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 21:30:26,724 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 21:30:26,724 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 21:30:26,724 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 21:30:26,724 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 21:30:26,724 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 21:30:26,724 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 21:30:26,725 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 21:30:26,725 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 21:30:26,725 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 21:30:26,725 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 21:30:26,725 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 21:30:26,725 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 21:30:26,725 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 21:30:26,726 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 21:30:26,726 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_9d602f0c-c788-46b1-8d49-37c37a04f378/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 -> 0d6d504be06c544abd3f98aa8e24c2240a31073b [2018-11-22 21:30:26,750 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 21:30:26,759 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 21:30:26,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 21:30:26,762 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 21:30:26,762 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 21:30:26,763 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9d602f0c-c788-46b1-8d49-37c37a04f378/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label06_true-unreach-call_false-termination.c [2018-11-22 21:30:26,800 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d602f0c-c788-46b1-8d49-37c37a04f378/bin-2019/utaipan/data/ed188acb5/ff18642fce82474380bb99e4309b717f/FLAG32edf7088 [2018-11-22 21:30:27,254 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 21:30:27,254 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9d602f0c-c788-46b1-8d49-37c37a04f378/sv-benchmarks/c/eca-rers2012/Problem14_label06_true-unreach-call_false-termination.c [2018-11-22 21:30:27,264 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d602f0c-c788-46b1-8d49-37c37a04f378/bin-2019/utaipan/data/ed188acb5/ff18642fce82474380bb99e4309b717f/FLAG32edf7088 [2018-11-22 21:30:27,274 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9d602f0c-c788-46b1-8d49-37c37a04f378/bin-2019/utaipan/data/ed188acb5/ff18642fce82474380bb99e4309b717f [2018-11-22 21:30:27,276 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 21:30:27,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 21:30:27,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 21:30:27,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 21:30:27,280 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 21:30:27,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:30:27" (1/1) ... [2018-11-22 21:30:27,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb4fcbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:30:27, skipping insertion in model container [2018-11-22 21:30:27,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:30:27" (1/1) ... [2018-11-22 21:30:27,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 21:30:27,324 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 21:30:27,586 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:30:27,589 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 21:30:27,670 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:30:27,773 INFO L195 MainTranslator]: Completed translation [2018-11-22 21:30:27,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:30:27 WrapperNode [2018-11-22 21:30:27,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 21:30:27,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 21:30:27,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 21:30:27,774 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 21:30:27,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:30:27" (1/1) ... [2018-11-22 21:30:27,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:30:27" (1/1) ... [2018-11-22 21:30:27,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 21:30:27,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 21:30:27,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 21:30:27,798 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 21:30:27,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:30:27" (1/1) ... [2018-11-22 21:30:27,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:30:27" (1/1) ... [2018-11-22 21:30:27,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:30:27" (1/1) ... [2018-11-22 21:30:27,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:30:27" (1/1) ... [2018-11-22 21:30:27,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:30:27" (1/1) ... [2018-11-22 21:30:27,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:30:27" (1/1) ... [2018-11-22 21:30:27,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:30:27" (1/1) ... [2018-11-22 21:30:27,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 21:30:27,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 21:30:27,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 21:30:27,846 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 21:30:27,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:30:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d602f0c-c788-46b1-8d49-37c37a04f378/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 21:30:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-22 21:30:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 21:30:27,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 21:30:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-22 21:30:27,890 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-22 21:30:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 21:30:27,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 21:30:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 21:30:27,890 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 21:30:28,728 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 21:30:28,728 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-22 21:30:28,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:30:28 BoogieIcfgContainer [2018-11-22 21:30:28,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 21:30:28,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 21:30:28,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 21:30:28,731 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 21:30:28,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:30:27" (1/3) ... [2018-11-22 21:30:28,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8cbf9f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:30:28, skipping insertion in model container [2018-11-22 21:30:28,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:30:27" (2/3) ... [2018-11-22 21:30:28,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8cbf9f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:30:28, skipping insertion in model container [2018-11-22 21:30:28,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:30:28" (3/3) ... [2018-11-22 21:30:28,734 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label06_true-unreach-call_false-termination.c [2018-11-22 21:30:28,740 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 21:30:28,745 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 21:30:28,754 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 21:30:28,775 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 21:30:28,775 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 21:30:28,776 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 21:30:28,776 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 21:30:28,776 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 21:30:28,776 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 21:30:28,776 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 21:30:28,776 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 21:30:28,792 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-11-22 21:30:28,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-22 21:30:28,799 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:30:28,799 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:30:28,801 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:30:28,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:30:28,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1258864990, now seen corresponding path program 1 times [2018-11-22 21:30:28,807 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:30:28,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:30:28,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:30:28,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:30:28,836 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:30:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:30:29,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:30:29,034 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:30:29,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 21:30:29,035 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:30:29,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 21:30:29,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 21:30:29,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-22 21:30:29,056 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2018-11-22 21:30:30,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:30:30,181 INFO L93 Difference]: Finished difference Result 890 states and 1606 transitions. [2018-11-22 21:30:30,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-22 21:30:30,182 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2018-11-22 21:30:30,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:30:30,195 INFO L225 Difference]: With dead ends: 890 [2018-11-22 21:30:30,195 INFO L226 Difference]: Without dead ends: 630 [2018-11-22 21:30:30,200 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-22 21:30:30,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2018-11-22 21:30:30,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 432. [2018-11-22 21:30:30,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2018-11-22 21:30:30,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 660 transitions. [2018-11-22 21:30:30,256 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 660 transitions. Word has length 67 [2018-11-22 21:30:30,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:30:30,256 INFO L480 AbstractCegarLoop]: Abstraction has 432 states and 660 transitions. [2018-11-22 21:30:30,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 21:30:30,256 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 660 transitions. [2018-11-22 21:30:30,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-22 21:30:30,262 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:30:30,262 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:30:30,267 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:30:30,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:30:30,268 INFO L82 PathProgramCache]: Analyzing trace with hash -744258219, now seen corresponding path program 1 times [2018-11-22 21:30:30,268 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:30:30,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:30:30,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:30:30,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:30:30,269 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:30:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:30:30,387 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:30:30,387 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:30:30,387 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 21:30:30,387 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:30:30,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 21:30:30,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 21:30:30,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-22 21:30:30,389 INFO L87 Difference]: Start difference. First operand 432 states and 660 transitions. Second operand 4 states. [2018-11-22 21:30:31,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:30:31,165 INFO L93 Difference]: Finished difference Result 1586 states and 2532 transitions. [2018-11-22 21:30:31,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-22 21:30:31,165 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 150 [2018-11-22 21:30:31,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:30:31,173 INFO L225 Difference]: With dead ends: 1586 [2018-11-22 21:30:31,173 INFO L226 Difference]: Without dead ends: 1160 [2018-11-22 21:30:31,177 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 [2018-11-22 21:30:31,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2018-11-22 21:30:31,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1160. [2018-11-22 21:30:31,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1160 states. [2018-11-22 21:30:31,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1705 transitions. [2018-11-22 21:30:31,216 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1705 transitions. Word has length 150 [2018-11-22 21:30:31,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:30:31,217 INFO L480 AbstractCegarLoop]: Abstraction has 1160 states and 1705 transitions. [2018-11-22 21:30:31,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 21:30:31,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1705 transitions. [2018-11-22 21:30:31,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-22 21:30:31,224 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:30:31,224 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:30:31,224 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:30:31,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:30:31,225 INFO L82 PathProgramCache]: Analyzing trace with hash -576457814, now seen corresponding path program 1 times [2018-11-22 21:30:31,225 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:30:31,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:30:31,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:30:31,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:30:31,226 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:30:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:30:31,457 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:30:31,457 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:30:31,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 21:30:31,458 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:30:31,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 21:30:31,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 21:30:31,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-22 21:30:31,459 INFO L87 Difference]: Start difference. First operand 1160 states and 1705 transitions. Second operand 6 states. [2018-11-22 21:30:32,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:30:32,324 INFO L93 Difference]: Finished difference Result 3092 states and 4785 transitions. [2018-11-22 21:30:32,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 21:30:32,325 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 207 [2018-11-22 21:30:32,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:30:32,338 INFO L225 Difference]: With dead ends: 3092 [2018-11-22 21:30:32,338 INFO L226 Difference]: Without dead ends: 1938 [2018-11-22 21:30:32,343 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-22 21:30:32,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1938 states. [2018-11-22 21:30:32,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1938 to 1908. [2018-11-22 21:30:32,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1908 states. [2018-11-22 21:30:32,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1908 states and 2777 transitions. [2018-11-22 21:30:32,397 INFO L78 Accepts]: Start accepts. Automaton has 1908 states and 2777 transitions. Word has length 207 [2018-11-22 21:30:32,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:30:32,398 INFO L480 AbstractCegarLoop]: Abstraction has 1908 states and 2777 transitions. [2018-11-22 21:30:32,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 21:30:32,398 INFO L276 IsEmpty]: Start isEmpty. Operand 1908 states and 2777 transitions. [2018-11-22 21:30:32,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-11-22 21:30:32,403 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:30:32,404 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-22 21:30:32,404 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:30:32,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:30:32,404 INFO L82 PathProgramCache]: Analyzing trace with hash 93311285, now seen corresponding path program 1 times [2018-11-22 21:30:32,404 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:30:32,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:30:32,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:30:32,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:30:32,405 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:30:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:30:32,529 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:30:32,530 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:30:32,530 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 21:30:32,531 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 239 with the following transitions: [2018-11-22 21:30:32,532 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [598], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-22 21:30:32,565 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 21:30:32,565 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 21:30:32,811 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 21:30:32,813 INFO L272 AbstractInterpreter]: Visited 100 different actions 100 times. Never merged. Never widened. Performed 848 root evaluator evaluations with a maximum evaluation depth of 9. Performed 848 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Never found a fixpoint. Largest state had 24 variables. [2018-11-22 21:30:32,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:30:32,818 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 21:30:33,148 INFO L227 lantSequenceWeakener]: Weakened 229 states. On average, predicates are now at 78.25% of their original sizes. [2018-11-22 21:30:33,148 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 21:30:33,197 INFO L415 sIntCurrentIteration]: We unified 237 AI predicates to 237 [2018-11-22 21:30:33,197 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 21:30:33,198 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 21:30:33,198 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-22 21:30:33,198 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:30:33,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 21:30:33,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 21:30:33,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-22 21:30:33,200 INFO L87 Difference]: Start difference. First operand 1908 states and 2777 transitions. Second operand 6 states. [2018-11-22 21:30:47,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:30:47,474 INFO L93 Difference]: Finished difference Result 3993 states and 5775 transitions. [2018-11-22 21:30:47,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 21:30:47,474 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 238 [2018-11-22 21:30:47,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:30:47,482 INFO L225 Difference]: With dead ends: 3993 [2018-11-22 21:30:47,482 INFO L226 Difference]: Without dead ends: 2091 [2018-11-22 21:30:47,489 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 238 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-22 21:30:47,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2091 states. [2018-11-22 21:30:47,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2091 to 2090. [2018-11-22 21:30:47,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2090 states. [2018-11-22 21:30:47,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2090 states to 2090 states and 2967 transitions. [2018-11-22 21:30:47,533 INFO L78 Accepts]: Start accepts. Automaton has 2090 states and 2967 transitions. Word has length 238 [2018-11-22 21:30:47,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:30:47,533 INFO L480 AbstractCegarLoop]: Abstraction has 2090 states and 2967 transitions. [2018-11-22 21:30:47,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 21:30:47,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2090 states and 2967 transitions. [2018-11-22 21:30:47,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-22 21:30:47,540 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:30:47,541 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:30:47,541 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:30:47,541 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:30:47,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1164195299, now seen corresponding path program 1 times [2018-11-22 21:30:47,541 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:30:47,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:30:47,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:30:47,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:30:47,542 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:30:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:30:47,965 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 266 proven. 146 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:30:47,965 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:30:47,965 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 21:30:47,965 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 323 with the following transitions: [2018-11-22 21:30:47,965 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [598], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-22 21:30:47,968 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 21:30:47,968 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 21:30:48,094 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 21:30:48,094 INFO L272 AbstractInterpreter]: Visited 104 different actions 201 times. Merged at 3 different actions 3 times. Never widened. Performed 1734 root evaluator evaluations with a maximum evaluation depth of 9. Performed 1734 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-22 21:30:48,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:30:48,107 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 21:30:48,365 INFO L227 lantSequenceWeakener]: Weakened 319 states. On average, predicates are now at 78.03% of their original sizes. [2018-11-22 21:30:48,365 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 21:30:48,436 INFO L415 sIntCurrentIteration]: We unified 321 AI predicates to 321 [2018-11-22 21:30:48,436 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 21:30:48,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 21:30:48,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 20 [2018-11-22 21:30:48,437 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:30:48,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-22 21:30:48,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-22 21:30:48,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-22 21:30:48,438 INFO L87 Difference]: Start difference. First operand 2090 states and 2967 transitions. Second operand 10 states. [2018-11-22 21:31:26,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:31:26,424 INFO L93 Difference]: Finished difference Result 4546 states and 6409 transitions. [2018-11-22 21:31:26,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-22 21:31:26,425 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 322 [2018-11-22 21:31:26,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:31:26,434 INFO L225 Difference]: With dead ends: 4546 [2018-11-22 21:31:26,434 INFO L226 Difference]: Without dead ends: 2644 [2018-11-22 21:31:26,440 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 330 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-22 21:31:26,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2644 states. [2018-11-22 21:31:26,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2644 to 2642. [2018-11-22 21:31:26,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2642 states. [2018-11-22 21:31:26,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2642 states to 2642 states and 3555 transitions. [2018-11-22 21:31:26,493 INFO L78 Accepts]: Start accepts. Automaton has 2642 states and 3555 transitions. Word has length 322 [2018-11-22 21:31:26,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:31:26,494 INFO L480 AbstractCegarLoop]: Abstraction has 2642 states and 3555 transitions. [2018-11-22 21:31:26,494 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-22 21:31:26,494 INFO L276 IsEmpty]: Start isEmpty. Operand 2642 states and 3555 transitions. [2018-11-22 21:31:26,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2018-11-22 21:31:26,503 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:31:26,503 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:31:26,504 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:31:26,504 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:31:26,504 INFO L82 PathProgramCache]: Analyzing trace with hash 374911621, now seen corresponding path program 1 times [2018-11-22 21:31:26,504 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:31:26,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:31:26,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:31:26,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:31:26,505 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:31:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:31:26,719 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 333 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-11-22 21:31:26,719 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:31:26,719 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 21:31:26,719 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 363 with the following transitions: [2018-11-22 21:31:26,720 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-22 21:31:26,722 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 21:31:26,722 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 21:31:30,250 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 21:31:30,250 INFO L272 AbstractInterpreter]: Visited 119 different actions 352 times. Merged at 7 different actions 15 times. Never widened. Performed 3317 root evaluator evaluations with a maximum evaluation depth of 21. Performed 3317 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-22 21:31:30,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:31:30,251 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 21:31:30,864 INFO L227 lantSequenceWeakener]: Weakened 359 states. On average, predicates are now at 80.72% of their original sizes. [2018-11-22 21:31:30,864 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 21:31:30,895 INFO L415 sIntCurrentIteration]: We unified 361 AI predicates to 361 [2018-11-22 21:31:30,895 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 21:31:30,895 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 21:31:30,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2018-11-22 21:31:30,896 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:31:30,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 21:31:30,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 21:31:30,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-22 21:31:30,896 INFO L87 Difference]: Start difference. First operand 2642 states and 3555 transitions. Second operand 9 states. [2018-11-22 21:31:48,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:31:48,805 INFO L93 Difference]: Finished difference Result 6169 states and 8475 transitions. [2018-11-22 21:31:48,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-22 21:31:48,805 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 362 [2018-11-22 21:31:48,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:31:48,815 INFO L225 Difference]: With dead ends: 6169 [2018-11-22 21:31:48,815 INFO L226 Difference]: Without dead ends: 3715 [2018-11-22 21:31:48,823 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 370 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2018-11-22 21:31:48,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3715 states. [2018-11-22 21:31:48,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3715 to 3702. [2018-11-22 21:31:48,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3702 states. [2018-11-22 21:31:48,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3702 states to 3702 states and 4859 transitions. [2018-11-22 21:31:48,893 INFO L78 Accepts]: Start accepts. Automaton has 3702 states and 4859 transitions. Word has length 362 [2018-11-22 21:31:48,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:31:48,894 INFO L480 AbstractCegarLoop]: Abstraction has 3702 states and 4859 transitions. [2018-11-22 21:31:48,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 21:31:48,894 INFO L276 IsEmpty]: Start isEmpty. Operand 3702 states and 4859 transitions. [2018-11-22 21:31:48,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2018-11-22 21:31:48,907 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:31:48,907 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-11-22 21:31:48,907 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:31:48,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:31:48,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1038643759, now seen corresponding path program 1 times [2018-11-22 21:31:48,908 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:31:48,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:31:48,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:31:48,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:31:48,908 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:31:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:31:49,435 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 433 proven. 232 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-22 21:31:49,435 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:31:49,435 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 21:31:49,436 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 457 with the following transitions: [2018-11-22 21:31:49,436 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-22 21:31:49,440 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 21:31:49,440 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 21:31:52,329 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 21:31:52,329 INFO L272 AbstractInterpreter]: Visited 122 different actions 238 times. Merged at 4 different actions 4 times. Never widened. Performed 2152 root evaluator evaluations with a maximum evaluation depth of 22. Performed 2152 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-22 21:31:52,331 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:31:52,331 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 21:31:53,924 INFO L227 lantSequenceWeakener]: Weakened 453 states. On average, predicates are now at 77.83% of their original sizes. [2018-11-22 21:31:53,925 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 21:31:53,973 INFO L415 sIntCurrentIteration]: We unified 455 AI predicates to 455 [2018-11-22 21:31:53,973 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 21:31:53,973 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 21:31:53,973 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-11-22 21:31:53,974 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:31:53,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-22 21:31:53,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-22 21:31:53,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-22 21:31:53,974 INFO L87 Difference]: Start difference. First operand 3702 states and 4859 transitions. Second operand 10 states. [2018-11-22 21:32:01,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:32:01,636 INFO L93 Difference]: Finished difference Result 6851 states and 9140 transitions. [2018-11-22 21:32:01,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-22 21:32:01,636 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 456 [2018-11-22 21:32:01,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:32:01,646 INFO L225 Difference]: With dead ends: 6851 [2018-11-22 21:32:01,646 INFO L226 Difference]: Without dead ends: 3888 [2018-11-22 21:32:01,653 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 463 GetRequests, 447 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-22 21:32:01,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3888 states. [2018-11-22 21:32:01,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3888 to 3886. [2018-11-22 21:32:01,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3886 states. [2018-11-22 21:32:01,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3886 states to 3886 states and 5050 transitions. [2018-11-22 21:32:01,715 INFO L78 Accepts]: Start accepts. Automaton has 3886 states and 5050 transitions. Word has length 456 [2018-11-22 21:32:01,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:32:01,716 INFO L480 AbstractCegarLoop]: Abstraction has 3886 states and 5050 transitions. [2018-11-22 21:32:01,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-22 21:32:01,716 INFO L276 IsEmpty]: Start isEmpty. Operand 3886 states and 5050 transitions. [2018-11-22 21:32:01,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2018-11-22 21:32:01,729 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:32:01,730 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:32:01,730 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:32:01,730 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:32:01,730 INFO L82 PathProgramCache]: Analyzing trace with hash -641499046, now seen corresponding path program 1 times [2018-11-22 21:32:01,730 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:32:01,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:32:01,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:32:01,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:32:01,731 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:32:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:32:01,945 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2018-11-22 21:32:01,945 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:32:01,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 21:32:01,946 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:32:01,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 21:32:01,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 21:32:01,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-22 21:32:01,946 INFO L87 Difference]: Start difference. First operand 3886 states and 5050 transitions. Second operand 4 states. [2018-11-22 21:32:02,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:32:02,589 INFO L93 Difference]: Finished difference Result 7949 states and 10831 transitions. [2018-11-22 21:32:02,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-22 21:32:02,589 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 465 [2018-11-22 21:32:02,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:32:02,604 INFO L225 Difference]: With dead ends: 7949 [2018-11-22 21:32:02,604 INFO L226 Difference]: Without dead ends: 4986 [2018-11-22 21:32:02,617 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 [2018-11-22 21:32:02,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4986 states. [2018-11-22 21:32:02,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4986 to 4986. [2018-11-22 21:32:02,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4986 states. [2018-11-22 21:32:02,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4986 states to 4986 states and 6292 transitions. [2018-11-22 21:32:02,693 INFO L78 Accepts]: Start accepts. Automaton has 4986 states and 6292 transitions. Word has length 465 [2018-11-22 21:32:02,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:32:02,694 INFO L480 AbstractCegarLoop]: Abstraction has 4986 states and 6292 transitions. [2018-11-22 21:32:02,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 21:32:02,694 INFO L276 IsEmpty]: Start isEmpty. Operand 4986 states and 6292 transitions. [2018-11-22 21:32:02,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2018-11-22 21:32:02,708 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:32:02,708 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:32:02,708 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:32:02,709 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:32:02,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1137855798, now seen corresponding path program 1 times [2018-11-22 21:32:02,709 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:32:02,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:32:02,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:32:02,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:32:02,710 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:32:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:32:02,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 394 proven. 278 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2018-11-22 21:32:02,989 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:32:02,989 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 21:32:02,990 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 546 with the following transitions: [2018-11-22 21:32:02,990 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [614], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-22 21:32:02,992 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 21:32:02,992 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 21:32:07,726 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 21:32:07,726 INFO L272 AbstractInterpreter]: Visited 124 different actions 501 times. Merged at 9 different actions 38 times. Widened at 1 different actions 1 times. Performed 4754 root evaluator evaluations with a maximum evaluation depth of 22. Performed 4754 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 10 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-22 21:32:07,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:32:07,732 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 21:32:07,732 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:32:07,732 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d602f0c-c788-46b1-8d49-37c37a04f378/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 21:32:07,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:32:07,738 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 21:32:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:32:07,845 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 21:32:07,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 722 proven. 2 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2018-11-22 21:32:07,990 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 21:32:08,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 394 proven. 278 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2018-11-22 21:32:08,213 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 21:32:08,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-22 21:32:08,214 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 21:32:08,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 21:32:08,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 21:32:08,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-22 21:32:08,214 INFO L87 Difference]: Start difference. First operand 4986 states and 6292 transitions. Second operand 9 states. [2018-11-22 21:32:10,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:32:10,584 INFO L93 Difference]: Finished difference Result 13214 states and 17506 transitions. [2018-11-22 21:32:10,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-22 21:32:10,584 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 545 [2018-11-22 21:32:10,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:32:10,599 INFO L225 Difference]: With dead ends: 13214 [2018-11-22 21:32:10,599 INFO L226 Difference]: Without dead ends: 8050 [2018-11-22 21:32:10,610 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1140 GetRequests, 1107 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=245, Invalid=747, Unknown=0, NotChecked=0, Total=992 [2018-11-22 21:32:10,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8050 states. [2018-11-22 21:32:10,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8050 to 7848. [2018-11-22 21:32:10,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7848 states. [2018-11-22 21:32:10,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7848 states to 7848 states and 9419 transitions. [2018-11-22 21:32:10,718 INFO L78 Accepts]: Start accepts. Automaton has 7848 states and 9419 transitions. Word has length 545 [2018-11-22 21:32:10,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:32:10,719 INFO L480 AbstractCegarLoop]: Abstraction has 7848 states and 9419 transitions. [2018-11-22 21:32:10,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 21:32:10,719 INFO L276 IsEmpty]: Start isEmpty. Operand 7848 states and 9419 transitions. [2018-11-22 21:32:10,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2018-11-22 21:32:10,729 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:32:10,730 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:32:10,730 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:32:10,730 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:32:10,730 INFO L82 PathProgramCache]: Analyzing trace with hash -2113294915, now seen corresponding path program 1 times [2018-11-22 21:32:10,730 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:32:10,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:32:10,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:32:10,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:32:10,731 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:32:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:32:11,520 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 469 proven. 299 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-22 21:32:11,520 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:32:11,520 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 21:32:11,520 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 565 with the following transitions: [2018-11-22 21:32:11,521 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [614], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-22 21:32:11,523 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 21:32:11,523 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 21:32:15,605 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 21:32:15,605 INFO L272 AbstractInterpreter]: Visited 190 different actions 754 times. Merged at 8 different actions 27 times. Widened at 1 different actions 1 times. Performed 8263 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8263 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-22 21:32:15,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:32:15,606 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 21:32:15,606 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:32:15,606 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d602f0c-c788-46b1-8d49-37c37a04f378/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 21:32:15,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:32:15,612 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 21:32:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:32:15,685 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 21:32:15,809 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2018-11-22 21:32:15,809 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 21:32:15,928 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2018-11-22 21:32:15,943 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-22 21:32:15,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [13] total 14 [2018-11-22 21:32:15,943 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:32:15,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 21:32:15,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 21:32:15,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-22 21:32:15,944 INFO L87 Difference]: Start difference. First operand 7848 states and 9419 transitions. Second operand 3 states. [2018-11-22 21:32:16,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:32:16,440 INFO L93 Difference]: Finished difference Result 17599 states and 21570 transitions. [2018-11-22 21:32:16,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 21:32:16,441 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 564 [2018-11-22 21:32:16,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:32:16,442 INFO L225 Difference]: With dead ends: 17599 [2018-11-22 21:32:16,442 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 21:32:16,461 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1140 GetRequests, 1127 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-22 21:32:16,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 21:32:16,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 21:32:16,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 21:32:16,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 21:32:16,462 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 564 [2018-11-22 21:32:16,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:32:16,462 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 21:32:16,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 21:32:16,462 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 21:32:16,462 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 21:32:16,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 21:32:16,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:32:16,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:32:16,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:32:16,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:32:16,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:32:16,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:32:16,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:32:17,226 WARN L180 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 90 [2018-11-22 21:32:17,374 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 21:32:17,374 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-11-22 21:32:17,374 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 21:32:17,374 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-22 21:32:17,375 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-22 21:32:17,375 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,375 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,375 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,375 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-22 21:32:17,375 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-22 21:32:17,375 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-22 21:32:17,375 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-22 21:32:17,375 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-22 21:32:17,375 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-22 21:32:17,375 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-22 21:32:17,375 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-22 21:32:17,375 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,376 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,376 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,376 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-22 21:32:17,376 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-22 21:32:17,376 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-22 21:32:17,376 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-22 21:32:17,376 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-22 21:32:17,376 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-22 21:32:17,376 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-22 21:32:17,376 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-22 21:32:17,376 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,376 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,376 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,376 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-22 21:32:17,377 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-22 21:32:17,377 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-22 21:32:17,377 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-22 21:32:17,377 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-22 21:32:17,377 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-22 21:32:17,377 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-22 21:32:17,377 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-22 21:32:17,377 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-22 21:32:17,377 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,377 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,377 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,377 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-22 21:32:17,377 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-22 21:32:17,377 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-22 21:32:17,377 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-22 21:32:17,378 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-22 21:32:17,378 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-22 21:32:17,378 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-22 21:32:17,378 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,378 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,378 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,378 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-22 21:32:17,378 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-22 21:32:17,378 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-22 21:32:17,378 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-22 21:32:17,378 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-22 21:32:17,378 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-22 21:32:17,378 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-22 21:32:17,378 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-22 21:32:17,379 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-22 21:32:17,379 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,379 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,379 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,379 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,379 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-22 21:32:17,379 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-22 21:32:17,379 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-22 21:32:17,379 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-22 21:32:17,379 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-22 21:32:17,379 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-22 21:32:17,379 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-22 21:32:17,379 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-22 21:32:17,379 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,380 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,380 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,380 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2018-11-22 21:32:17,380 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-22 21:32:17,380 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-22 21:32:17,380 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-22 21:32:17,380 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-22 21:32:17,380 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-22 21:32:17,380 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-22 21:32:17,380 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-22 21:32:17,380 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-22 21:32:17,380 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,380 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,380 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,381 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-22 21:32:17,381 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-22 21:32:17,381 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-22 21:32:17,381 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-22 21:32:17,381 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-22 21:32:17,381 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-22 21:32:17,381 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse2 (= 8 |old(~a15~0)|))) (let ((.cse22 (= 0 |old(~a21~0)|)) (.cse3 (not (= 1 |old(~a24~0)|))) (.cse4 (not .cse2)) (.cse6 (= |calculate_output_#in~input| 0)) (.cse15 (<= ~a21~0 |old(~a21~0)|)) (.cse16 (= |old(~a15~0)| ~a15~0))) (let ((.cse7 (= (+ ~a12~0 49) 0)) (.cse5 (not (= 0 (+ |old(~a12~0)| 49)))) (.cse11 (= ~a24~0 1)) (.cse1 (and .cse15 .cse16)) (.cse13 (= 10 ~a21~0)) (.cse20 (< 11 ~a12~0)) (.cse14 (or .cse22 .cse3 .cse4 .cse6)) (.cse0 (= 5 |old(~a15~0)|)) (.cse8 (<= (+ ~a12~0 43) 0)) (.cse17 (< 6 |old(~a21~0)|)) (.cse9 (< 0 (+ |old(~a12~0)| 43))) (.cse10 (= 9 |old(~a15~0)|)) (.cse12 (not (= 10 |old(~a21~0)|))) (.cse19 (= 8 |old(~a21~0)|)) (.cse21 (<= |old(~a12~0)| 11)) (.cse18 (not (= 8 ~a21~0)))) (and (or .cse0 .cse1 .cse2) (or (not (= 7 |old(~a21~0)|)) .cse3 .cse4 .cse5 .cse6 (and .cse7 (= ~a21~0 7))) (or .cse0 .cse8 .cse2 .cse9 .cse10) (or (and (= ~a21~0 6) .cse7 .cse11) (or (not (= 6 |old(~a21~0)|)) (not .cse0)) .cse3 .cse5 .cse6) (or .cse12 .cse7 .cse6 (or .cse3 .cse4 .cse5)) (or .cse12 .cse8 .cse3 .cse6 .cse9) (or .cse13 .cse12 .cse2) (or .cse14 (and (not (= ~a21~0 0)) .cse15 .cse11 .cse16)) (or (not .cse10) .cse12 .cse8 .cse9) (or .cse2 .cse17 .cse1) (or (and .cse15 .cse8 .cse18 .cse16) .cse19 .cse2 .cse9 .cse10) (or .cse13 .cse12 .cse3 .cse6) (or (and .cse20 .cse15 .cse16) .cse21 .cse2) (or .cse20 .cse14 .cse21) (or .cse18 .cse0 .cse19 .cse2 .cse10) (or .cse22 .cse8 .cse3 .cse6 .cse17 .cse9 .cse10) (or .cse12 .cse16 .cse2) (or .cse19 .cse21 .cse2 .cse18))))) [2018-11-22 21:32:17,381 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-22 21:32:17,381 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-22 21:32:17,382 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,382 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,382 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,382 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-22 21:32:17,382 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-22 21:32:17,382 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-22 21:32:17,382 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-22 21:32:17,382 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-22 21:32:17,382 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-22 21:32:17,382 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-22 21:32:17,382 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-22 21:32:17,382 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,382 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,382 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,383 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-22 21:32:17,383 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-22 21:32:17,383 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-22 21:32:17,383 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-22 21:32:17,383 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-22 21:32:17,383 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-22 21:32:17,383 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-22 21:32:17,383 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-22 21:32:17,383 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,383 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,383 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,383 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-22 21:32:17,383 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-22 21:32:17,383 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-22 21:32:17,384 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-22 21:32:17,384 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-22 21:32:17,384 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-22 21:32:17,384 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-22 21:32:17,384 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-22 21:32:17,384 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,384 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,384 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,384 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-22 21:32:17,384 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-22 21:32:17,384 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-22 21:32:17,384 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-22 21:32:17,384 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-22 21:32:17,384 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-22 21:32:17,384 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-22 21:32:17,385 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-22 21:32:17,385 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,385 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,385 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-22 21:32:17,385 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-22 21:32:17,385 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-22 21:32:17,385 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-22 21:32:17,385 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-22 21:32:17,385 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-22 21:32:17,385 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-22 21:32:17,385 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-22 21:32:17,385 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,385 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,385 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-22 21:32:17,385 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-22 21:32:17,386 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-22 21:32:17,386 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-22 21:32:17,386 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-22 21:32:17,386 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-22 21:32:17,386 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,386 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,386 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-22 21:32:17,386 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-22 21:32:17,386 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-22 21:32:17,386 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-22 21:32:17,386 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-22 21:32:17,386 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-22 21:32:17,386 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-22 21:32:17,386 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-22 21:32:17,386 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,386 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,387 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-22 21:32:17,387 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-22 21:32:17,387 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-22 21:32:17,387 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-22 21:32:17,387 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-22 21:32:17,387 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-22 21:32:17,387 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-22 21:32:17,387 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,387 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,387 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,387 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-22 21:32:17,387 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-22 21:32:17,387 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-22 21:32:17,387 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-22 21:32:17,388 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-22 21:32:17,388 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-22 21:32:17,388 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,388 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,388 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-22 21:32:17,388 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,388 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-22 21:32:17,388 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-22 21:32:17,388 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-22 21:32:17,388 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-22 21:32:17,388 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-22 21:32:17,388 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-22 21:32:17,388 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-22 21:32:17,388 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-22 21:32:17,388 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-22 21:32:17,389 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-22 21:32:17,389 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,389 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,389 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,389 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-22 21:32:17,389 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-22 21:32:17,389 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-22 21:32:17,389 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-22 21:32:17,389 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-22 21:32:17,389 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-22 21:32:17,389 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-22 21:32:17,389 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-22 21:32:17,389 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,389 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,389 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,389 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-22 21:32:17,390 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-22 21:32:17,390 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-22 21:32:17,390 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-22 21:32:17,390 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-22 21:32:17,390 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-22 21:32:17,390 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-22 21:32:17,390 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-22 21:32:17,390 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,390 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,390 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,390 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-22 21:32:17,390 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-22 21:32:17,390 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-22 21:32:17,390 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-22 21:32:17,390 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-22 21:32:17,391 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-22 21:32:17,391 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-22 21:32:17,391 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-22 21:32:17,391 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-22 21:32:17,391 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,391 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,391 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-11-22 21:32:17,391 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-22 21:32:17,391 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-22 21:32:17,391 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-22 21:32:17,391 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-22 21:32:17,391 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-22 21:32:17,391 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 21:32:17,392 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) [2018-11-22 21:32:17,392 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 21:32:17,392 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 21:32:17,392 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7) (= |old(~a15~0)| ~a15~0))) [2018-11-22 21:32:17,392 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-22 21:32:17,392 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (not (= ~a15~0 8)))) (or (and (not (= ~a21~0 0)) (not (= main_~input~0 0)) (= ~a24~0 1) (= ~a15~0 |old(~a15~0)|)) (and .cse0 (not (= 5 ~a15~0))) (and .cse0 (<= ~a21~0 6)) (not (= 8 |old(~a15~0)|)) (and .cse0 (= 10 ~a21~0)) (and (< 11 ~a12~0) .cse0) (and (<= (+ ~a12~0 43) 0) .cse0 (not (= 8 ~a21~0))) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49))))) [2018-11-22 21:32:17,392 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-22 21:32:17,392 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-22 21:32:17,392 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (not (= ~a15~0 8)))) (or (not (= 8 |old(~a15~0)|)) (and .cse0 (not (= 5 ~a15~0))) (and .cse0 (<= ~a21~0 6)) (and .cse0 (= 10 ~a21~0)) (and (< 11 ~a12~0) .cse0) (and (<= (+ ~a12~0 43) 0) .cse0 (not (= 8 ~a21~0))) (not (= 7 |old(~a21~0)|)) (and (not (= ~a21~0 0)) (= ~a24~0 1) (= ~a15~0 |old(~a15~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49))))) [2018-11-22 21:32:17,392 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-11-22 21:32:17,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 09:32:17 BoogieIcfgContainer [2018-11-22 21:32:17,402 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 21:32:17,403 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 21:32:17,403 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 21:32:17,403 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 21:32:17,403 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:30:28" (3/4) ... [2018-11-22 21:32:17,406 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 21:32:17,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 21:32:17,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-22 21:32:17,411 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 21:32:17,421 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-22 21:32:17,421 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-22 21:32:17,445 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(8 == \old(a15)) || (!(a15 == 8) && !(5 == a15))) || (!(a15 == 8) && a21 <= 6)) || (!(a15 == 8) && 10 == a21)) || (11 < a12 && !(a15 == 8))) || ((a12 + 43 <= 0 && !(a15 == 8)) && !(8 == a21))) || !(7 == \old(a21))) || ((!(a21 == 0) && a24 == 1) && a15 == \old(a15))) || !(1 == \old(a24))) || !(0 == \old(a12) + 49) [2018-11-22 21:32:17,527 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9d602f0c-c788-46b1-8d49-37c37a04f378/bin-2019/utaipan/witness.graphml [2018-11-22 21:32:17,528 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 21:32:17,528 INFO L168 Benchmark]: Toolchain (without parser) took 110251.72 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.9 GB). Free memory was 950.0 MB in the beginning and 2.6 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. [2018-11-22 21:32:17,529 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 21:32:17,529 INFO L168 Benchmark]: CACSL2BoogieTranslator took 495.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 950.0 MB in the beginning and 1.2 GB in the end (delta: -204.7 MB). Peak memory consumption was 67.1 MB. Max. memory is 11.5 GB. [2018-11-22 21:32:17,529 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-22 21:32:17,530 INFO L168 Benchmark]: Boogie Preprocessor took 47.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-11-22 21:32:17,530 INFO L168 Benchmark]: RCFGBuilder took 882.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 127.6 MB). Peak memory consumption was 127.6 MB. Max. memory is 11.5 GB. [2018-11-22 21:32:17,530 INFO L168 Benchmark]: TraceAbstraction took 108673.15 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-11-22 21:32:17,530 INFO L168 Benchmark]: Witness Printer took 125.15 ms. Allocated memory is still 4.9 GB. Free memory is still 2.6 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 21:32:17,532 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 495.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 950.0 MB in the beginning and 1.2 GB in the end (delta: -204.7 MB). Peak memory consumption was 67.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 882.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 127.6 MB). Peak memory consumption was 127.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 108673.15 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. * Witness Printer took 125.15 ms. Allocated memory is still 4.9 GB. Free memory is still 2.6 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 187]: 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: 880]: Loop Invariant Derived loop invariant: ((((((((!(8 == \old(a15)) || (!(a15 == 8) && !(5 == a15))) || (!(a15 == 8) && a21 <= 6)) || (!(a15 == 8) && 10 == a21)) || (11 < a12 && !(a15 == 8))) || ((a12 + 43 <= 0 && !(a15 == 8)) && !(8 == a21))) || !(7 == \old(a21))) || ((!(a21 == 0) && a24 == 1) && a15 == \old(a15))) || !(1 == \old(a24))) || !(0 == \old(a12) + 49) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 108.6s OverallTime, 10 OverallIterations, 6 TraceHistogramMax, 84.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1973 SDtfs, 7581 SDslu, 1975 SDs, 0 SdLazy, 14138 SolverSat, 2668 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 73.7s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 3707 GetRequests, 3593 SyntacticMatches, 5 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7848occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 15.6s AbstIntTime, 6 AbstIntIterations, 4 AbstIntStrong, 0.997162547891267 AbsIntWeakeningRatio, 0.09315866084425037 AbsIntAvgWeakeningVarsNumRemoved, 16.38136826783115 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 448 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 168 PreInvPairs, 246 NumberOfFragments, 604 HoareAnnotationTreeSize, 168 FomulaSimplifications, 4419 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2779 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 4485 NumberOfCodeBlocks, 4485 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 5580 ConstructedInterpolants, 0 QuantifiedInterpolants, 10133137 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1664 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 14 InterpolantComputations, 6 PerfectInterpolantSequences, 7250/8489 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...