./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label39_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c2222b7e-1fb3-4c7c-843c-de4ae2983f65/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c2222b7e-1fb3-4c7c-843c-de4ae2983f65/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c2222b7e-1fb3-4c7c-843c-de4ae2983f65/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c2222b7e-1fb3-4c7c-843c-de4ae2983f65/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label39_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c2222b7e-1fb3-4c7c-843c-de4ae2983f65/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c2222b7e-1fb3-4c7c-843c-de4ae2983f65/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 1e89048ccdb20a97a14cb213e125edb5cbe6d123 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 07:16:27,684 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 07:16:27,685 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 07:16:27,691 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 07:16:27,692 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 07:16:27,692 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 07:16:27,693 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 07:16:27,694 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 07:16:27,695 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 07:16:27,695 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 07:16:27,696 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 07:16:27,696 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 07:16:27,697 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 07:16:27,697 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 07:16:27,698 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 07:16:27,698 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 07:16:27,699 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 07:16:27,700 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 07:16:27,701 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 07:16:27,702 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 07:16:27,702 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 07:16:27,703 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 07:16:27,704 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 07:16:27,704 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 07:16:27,705 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 07:16:27,705 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 07:16:27,706 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 07:16:27,706 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 07:16:27,707 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 07:16:27,707 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 07:16:27,707 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 07:16:27,708 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 07:16:27,708 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 07:16:27,708 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 07:16:27,709 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 07:16:27,710 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 07:16:27,710 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c2222b7e-1fb3-4c7c-843c-de4ae2983f65/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 07:16:27,717 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 07:16:27,717 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 07:16:27,718 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 07:16:27,718 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 07:16:27,718 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 07:16:27,718 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 07:16:27,719 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 07:16:27,719 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 07:16:27,719 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 07:16:27,719 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 07:16:27,719 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 07:16:27,719 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 07:16:27,719 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 07:16:27,720 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 07:16:27,720 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 07:16:27,720 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 07:16:27,720 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 07:16:27,720 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 07:16:27,720 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 07:16:27,720 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 07:16:27,721 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 07:16:27,721 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 07:16:27,721 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 07:16:27,721 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 07:16:27,721 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 07:16:27,721 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 07:16:27,721 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 07:16:27,721 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 07:16:27,722 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 07:16:27,722 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 07:16:27,722 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 07:16:27,722 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 07:16:27,722 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 07:16:27,722 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 07:16:27,722 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 07:16:27,722 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 07:16:27,723 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_c2222b7e-1fb3-4c7c-843c-de4ae2983f65/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 -> 1e89048ccdb20a97a14cb213e125edb5cbe6d123 [2018-12-03 07:16:27,740 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 07:16:27,747 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 07:16:27,749 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 07:16:27,750 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 07:16:27,750 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 07:16:27,750 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c2222b7e-1fb3-4c7c-843c-de4ae2983f65/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label39_true-unreach-call_false-termination.c [2018-12-03 07:16:27,785 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c2222b7e-1fb3-4c7c-843c-de4ae2983f65/bin-2019/utaipan/data/20018c66e/fc7013943c3d41698e903cf11b4b7183/FLAG33be91a5e [2018-12-03 07:16:28,254 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 07:16:28,255 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c2222b7e-1fb3-4c7c-843c-de4ae2983f65/sv-benchmarks/c/eca-rers2012/Problem02_label39_true-unreach-call_false-termination.c [2018-12-03 07:16:28,262 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c2222b7e-1fb3-4c7c-843c-de4ae2983f65/bin-2019/utaipan/data/20018c66e/fc7013943c3d41698e903cf11b4b7183/FLAG33be91a5e [2018-12-03 07:16:28,769 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c2222b7e-1fb3-4c7c-843c-de4ae2983f65/bin-2019/utaipan/data/20018c66e/fc7013943c3d41698e903cf11b4b7183 [2018-12-03 07:16:28,770 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 07:16:28,771 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 07:16:28,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 07:16:28,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 07:16:28,774 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 07:16:28,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 07:16:28" (1/1) ... [2018-12-03 07:16:28,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2817da2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:16:28, skipping insertion in model container [2018-12-03 07:16:28,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 07:16:28" (1/1) ... [2018-12-03 07:16:28,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 07:16:28,804 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 07:16:28,980 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 07:16:28,983 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 07:16:29,030 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 07:16:29,082 INFO L195 MainTranslator]: Completed translation [2018-12-03 07:16:29,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:16:29 WrapperNode [2018-12-03 07:16:29,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 07:16:29,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 07:16:29,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 07:16:29,084 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 07:16:29,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:16:29" (1/1) ... [2018-12-03 07:16:29,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:16:29" (1/1) ... [2018-12-03 07:16:29,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 07:16:29,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 07:16:29,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 07:16:29,102 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 07:16:29,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:16:29" (1/1) ... [2018-12-03 07:16:29,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:16:29" (1/1) ... [2018-12-03 07:16:29,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:16:29" (1/1) ... [2018-12-03 07:16:29,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:16:29" (1/1) ... [2018-12-03 07:16:29,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:16:29" (1/1) ... [2018-12-03 07:16:29,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:16:29" (1/1) ... [2018-12-03 07:16:29,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:16:29" (1/1) ... [2018-12-03 07:16:29,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 07:16:29,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 07:16:29,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 07:16:29,143 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 07:16:29,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:16:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2222b7e-1fb3-4c7c-843c-de4ae2983f65/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 07:16:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 07:16:29,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 07:16:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-03 07:16:29,184 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-03 07:16:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 07:16:29,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 07:16:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 07:16:29,185 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 07:16:29,763 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 07:16:29,763 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 07:16:29,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:16:29 BoogieIcfgContainer [2018-12-03 07:16:29,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 07:16:29,764 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 07:16:29,764 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 07:16:29,767 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 07:16:29,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 07:16:28" (1/3) ... [2018-12-03 07:16:29,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e908d67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 07:16:29, skipping insertion in model container [2018-12-03 07:16:29,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:16:29" (2/3) ... [2018-12-03 07:16:29,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e908d67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 07:16:29, skipping insertion in model container [2018-12-03 07:16:29,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:16:29" (3/3) ... [2018-12-03 07:16:29,769 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label39_true-unreach-call_false-termination.c [2018-12-03 07:16:29,775 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 07:16:29,781 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 07:16:29,790 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 07:16:29,811 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 07:16:29,811 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 07:16:29,811 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 07:16:29,811 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 07:16:29,811 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 07:16:29,811 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 07:16:29,811 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 07:16:29,811 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 07:16:29,825 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-03 07:16:29,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-03 07:16:29,832 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:16:29,833 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:16:29,834 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:16:29,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:16:29,838 INFO L82 PathProgramCache]: Analyzing trace with hash 640678305, now seen corresponding path program 1 times [2018-12-03 07:16:29,840 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:16:29,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:16:29,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:16:29,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:16:29,869 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:16:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:16:30,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:16:30,081 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:16:30,081 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 07:16:30,081 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:16:30,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 07:16:30,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 07:16:30,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 07:16:30,095 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-03 07:16:30,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:16:30,517 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-12-03 07:16:30,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 07:16:30,519 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2018-12-03 07:16:30,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:16:30,528 INFO L225 Difference]: With dead ends: 618 [2018-12-03 07:16:30,528 INFO L226 Difference]: Without dead ends: 320 [2018-12-03 07:16:30,532 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 07:16:30,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-12-03 07:16:30,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-12-03 07:16:30,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-12-03 07:16:30,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 465 transitions. [2018-12-03 07:16:30,572 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 465 transitions. Word has length 117 [2018-12-03 07:16:30,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:16:30,573 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 465 transitions. [2018-12-03 07:16:30,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 07:16:30,573 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 465 transitions. [2018-12-03 07:16:30,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-03 07:16:30,577 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:16:30,577 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:16:30,577 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:16:30,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:16:30,578 INFO L82 PathProgramCache]: Analyzing trace with hash -758657178, now seen corresponding path program 1 times [2018-12-03 07:16:30,578 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:16:30,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:16:30,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:16:30,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:16:30,579 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:16:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:16:30,747 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:16:30,747 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:16:30,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 07:16:30,748 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:16:30,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 07:16:30,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 07:16:30,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-03 07:16:30,749 INFO L87 Difference]: Start difference. First operand 320 states and 465 transitions. Second operand 5 states. [2018-12-03 07:16:31,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:16:31,099 INFO L93 Difference]: Finished difference Result 721 states and 1089 transitions. [2018-12-03 07:16:31,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 07:16:31,099 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2018-12-03 07:16:31,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:16:31,101 INFO L225 Difference]: With dead ends: 721 [2018-12-03 07:16:31,101 INFO L226 Difference]: Without dead ends: 320 [2018-12-03 07:16:31,102 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-03 07:16:31,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-12-03 07:16:31,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-12-03 07:16:31,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-12-03 07:16:31,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 461 transitions. [2018-12-03 07:16:31,112 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 461 transitions. Word has length 125 [2018-12-03 07:16:31,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:16:31,112 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 461 transitions. [2018-12-03 07:16:31,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 07:16:31,112 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 461 transitions. [2018-12-03 07:16:31,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-03 07:16:31,114 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:16:31,114 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:16:31,114 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:16:31,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:16:31,114 INFO L82 PathProgramCache]: Analyzing trace with hash 79547442, now seen corresponding path program 1 times [2018-12-03 07:16:31,114 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:16:31,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:16:31,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:16:31,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:16:31,115 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:16:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:16:31,257 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:16:31,257 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:16:31,257 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 07:16:31,257 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:16:31,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 07:16:31,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 07:16:31,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-03 07:16:31,258 INFO L87 Difference]: Start difference. First operand 320 states and 461 transitions. Second operand 5 states. [2018-12-03 07:16:31,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:16:31,551 INFO L93 Difference]: Finished difference Result 717 states and 1075 transitions. [2018-12-03 07:16:31,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 07:16:31,551 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2018-12-03 07:16:31,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:16:31,552 INFO L225 Difference]: With dead ends: 717 [2018-12-03 07:16:31,552 INFO L226 Difference]: Without dead ends: 320 [2018-12-03 07:16:31,553 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-03 07:16:31,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-12-03 07:16:31,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-12-03 07:16:31,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-12-03 07:16:31,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 455 transitions. [2018-12-03 07:16:31,564 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 455 transitions. Word has length 131 [2018-12-03 07:16:31,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:16:31,564 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 455 transitions. [2018-12-03 07:16:31,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 07:16:31,564 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 455 transitions. [2018-12-03 07:16:31,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-03 07:16:31,566 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:16:31,566 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:16:31,566 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:16:31,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:16:31,566 INFO L82 PathProgramCache]: Analyzing trace with hash 505867657, now seen corresponding path program 1 times [2018-12-03 07:16:31,566 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:16:31,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:16:31,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:16:31,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:16:31,567 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:16:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:16:31,647 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:16:31,647 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:16:31,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 07:16:31,647 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:16:31,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 07:16:31,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 07:16:31,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 07:16:31,648 INFO L87 Difference]: Start difference. First operand 320 states and 455 transitions. Second operand 6 states. [2018-12-03 07:16:32,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:16:32,042 INFO L93 Difference]: Finished difference Result 951 states and 1383 transitions. [2018-12-03 07:16:32,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 07:16:32,042 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-12-03 07:16:32,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:16:32,044 INFO L225 Difference]: With dead ends: 951 [2018-12-03 07:16:32,044 INFO L226 Difference]: Without dead ends: 637 [2018-12-03 07:16:32,045 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-03 07:16:32,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2018-12-03 07:16:32,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 626. [2018-12-03 07:16:32,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-12-03 07:16:32,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 870 transitions. [2018-12-03 07:16:32,059 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 870 transitions. Word has length 139 [2018-12-03 07:16:32,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:16:32,059 INFO L480 AbstractCegarLoop]: Abstraction has 626 states and 870 transitions. [2018-12-03 07:16:32,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 07:16:32,059 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 870 transitions. [2018-12-03 07:16:32,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-03 07:16:32,061 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:16:32,061 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:16:32,061 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:16:32,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:16:32,061 INFO L82 PathProgramCache]: Analyzing trace with hash -571744819, now seen corresponding path program 1 times [2018-12-03 07:16:32,061 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:16:32,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:16:32,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:16:32,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:16:32,062 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:16:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:16:32,162 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:16:32,162 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:16:32,163 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 07:16:32,163 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:16:32,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 07:16:32,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 07:16:32,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-03 07:16:32,163 INFO L87 Difference]: Start difference. First operand 626 states and 870 transitions. Second operand 5 states. [2018-12-03 07:16:32,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:16:32,499 INFO L93 Difference]: Finished difference Result 1330 states and 1901 transitions. [2018-12-03 07:16:32,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 07:16:32,499 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2018-12-03 07:16:32,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:16:32,501 INFO L225 Difference]: With dead ends: 1330 [2018-12-03 07:16:32,501 INFO L226 Difference]: Without dead ends: 626 [2018-12-03 07:16:32,502 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-03 07:16:32,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2018-12-03 07:16:32,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2018-12-03 07:16:32,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-12-03 07:16:32,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 858 transitions. [2018-12-03 07:16:32,512 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 858 transitions. Word has length 141 [2018-12-03 07:16:32,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:16:32,513 INFO L480 AbstractCegarLoop]: Abstraction has 626 states and 858 transitions. [2018-12-03 07:16:32,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 07:16:32,513 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 858 transitions. [2018-12-03 07:16:32,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-03 07:16:32,514 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:16:32,514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:16:32,514 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:16:32,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:16:32,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1019973137, now seen corresponding path program 1 times [2018-12-03 07:16:32,515 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:16:32,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:16:32,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:16:32,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:16:32,515 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:16:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:16:32,604 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:16:32,604 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:16:32,605 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 07:16:32,605 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:16:32,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 07:16:32,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 07:16:32,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-03 07:16:32,605 INFO L87 Difference]: Start difference. First operand 626 states and 858 transitions. Second operand 5 states. [2018-12-03 07:16:32,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:16:32,938 INFO L93 Difference]: Finished difference Result 1332 states and 1876 transitions. [2018-12-03 07:16:32,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 07:16:32,938 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2018-12-03 07:16:32,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:16:32,940 INFO L225 Difference]: With dead ends: 1332 [2018-12-03 07:16:32,940 INFO L226 Difference]: Without dead ends: 626 [2018-12-03 07:16:32,941 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-03 07:16:32,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2018-12-03 07:16:32,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2018-12-03 07:16:32,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-12-03 07:16:32,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 842 transitions. [2018-12-03 07:16:32,953 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 842 transitions. Word has length 143 [2018-12-03 07:16:32,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:16:32,953 INFO L480 AbstractCegarLoop]: Abstraction has 626 states and 842 transitions. [2018-12-03 07:16:32,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 07:16:32,954 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 842 transitions. [2018-12-03 07:16:32,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-03 07:16:32,955 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:16:32,955 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:16:32,956 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:16:32,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:16:32,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1793380711, now seen corresponding path program 1 times [2018-12-03 07:16:32,956 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:16:32,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:16:32,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:16:32,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:16:32,957 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:16:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:16:33,032 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:16:33,032 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:16:33,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 07:16:33,032 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:16:33,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 07:16:33,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 07:16:33,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 07:16:33,033 INFO L87 Difference]: Start difference. First operand 626 states and 842 transitions. Second operand 6 states. [2018-12-03 07:16:33,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:16:33,428 INFO L93 Difference]: Finished difference Result 1858 states and 2598 transitions. [2018-12-03 07:16:33,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 07:16:33,428 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-12-03 07:16:33,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:16:33,432 INFO L225 Difference]: With dead ends: 1858 [2018-12-03 07:16:33,433 INFO L226 Difference]: Without dead ends: 1238 [2018-12-03 07:16:33,434 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-03 07:16:33,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2018-12-03 07:16:33,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1218. [2018-12-03 07:16:33,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2018-12-03 07:16:33,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1635 transitions. [2018-12-03 07:16:33,463 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1635 transitions. Word has length 147 [2018-12-03 07:16:33,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:16:33,463 INFO L480 AbstractCegarLoop]: Abstraction has 1218 states and 1635 transitions. [2018-12-03 07:16:33,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 07:16:33,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1635 transitions. [2018-12-03 07:16:33,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-03 07:16:33,467 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:16:33,467 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, 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] [2018-12-03 07:16:33,467 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:16:33,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:16:33,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1396546535, now seen corresponding path program 1 times [2018-12-03 07:16:33,468 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:16:33,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:16:33,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:16:33,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:16:33,469 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:16:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:16:33,536 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:16:33,536 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:16:33,536 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 07:16:33,537 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-12-03 07:16:33,539 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [107], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 07:16:33,570 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 07:16:33,570 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 07:16:33,932 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 07:16:33,934 INFO L272 AbstractInterpreter]: Visited 121 different actions 236 times. Merged at 4 different actions 4 times. Never widened. Performed 2698 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2698 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-03 07:16:33,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:16:33,941 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 07:16:34,160 INFO L227 lantSequenceWeakener]: Weakened 178 states. On average, predicates are now at 82.54% of their original sizes. [2018-12-03 07:16:34,160 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 07:16:34,204 INFO L418 sIntCurrentIteration]: We unified 180 AI predicates to 180 [2018-12-03 07:16:34,204 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 07:16:34,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 07:16:34,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-03 07:16:34,205 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:16:34,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 07:16:34,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 07:16:34,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 07:16:34,206 INFO L87 Difference]: Start difference. First operand 1218 states and 1635 transitions. Second operand 10 states. [2018-12-03 07:16:37,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:16:37,149 INFO L93 Difference]: Finished difference Result 3178 states and 4247 transitions. [2018-12-03 07:16:37,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-03 07:16:37,149 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 181 [2018-12-03 07:16:37,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:16:37,155 INFO L225 Difference]: With dead ends: 3178 [2018-12-03 07:16:37,155 INFO L226 Difference]: Without dead ends: 1966 [2018-12-03 07:16:37,158 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 190 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-03 07:16:37,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1966 states. [2018-12-03 07:16:37,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1966 to 1956. [2018-12-03 07:16:37,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1956 states. [2018-12-03 07:16:37,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1956 states and 2481 transitions. [2018-12-03 07:16:37,197 INFO L78 Accepts]: Start accepts. Automaton has 1956 states and 2481 transitions. Word has length 181 [2018-12-03 07:16:37,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:16:37,197 INFO L480 AbstractCegarLoop]: Abstraction has 1956 states and 2481 transitions. [2018-12-03 07:16:37,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 07:16:37,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2481 transitions. [2018-12-03 07:16:37,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-03 07:16:37,202 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:16:37,202 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:16:37,202 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:16:37,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:16:37,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1331960664, now seen corresponding path program 1 times [2018-12-03 07:16:37,203 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:16:37,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:16:37,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:16:37,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:16:37,204 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:16:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:16:37,312 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 81 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:16:37,313 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:16:37,313 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 07:16:37,313 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 186 with the following transitions: [2018-12-03 07:16:37,313 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [119], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 07:16:37,317 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 07:16:37,317 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 07:16:37,511 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 07:16:37,512 INFO L272 AbstractInterpreter]: Visited 123 different actions 364 times. Merged at 7 different actions 17 times. Never widened. Performed 4385 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4385 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-03 07:16:37,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:16:37,515 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 07:16:37,515 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:16:37,515 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2222b7e-1fb3-4c7c-843c-de4ae2983f65/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 07:16:37,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:16:37,521 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 07:16:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:16:37,579 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 07:16:37,660 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-03 07:16:37,660 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 07:16:37,725 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-03 07:16:37,744 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 07:16:37,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2018-12-03 07:16:37,745 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 07:16:37,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-03 07:16:37,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-03 07:16:37,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-12-03 07:16:37,746 INFO L87 Difference]: Start difference. First operand 1956 states and 2481 transitions. Second operand 14 states. [2018-12-03 07:16:39,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:16:39,069 INFO L93 Difference]: Finished difference Result 4947 states and 6363 transitions. [2018-12-03 07:16:39,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-03 07:16:39,069 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 185 [2018-12-03 07:16:39,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:16:39,076 INFO L225 Difference]: With dead ends: 4947 [2018-12-03 07:16:39,076 INFO L226 Difference]: Without dead ends: 2395 [2018-12-03 07:16:39,081 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 382 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2018-12-03 07:16:39,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2395 states. [2018-12-03 07:16:39,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2395 to 2242. [2018-12-03 07:16:39,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2242 states. [2018-12-03 07:16:39,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 2242 states and 2660 transitions. [2018-12-03 07:16:39,116 INFO L78 Accepts]: Start accepts. Automaton has 2242 states and 2660 transitions. Word has length 185 [2018-12-03 07:16:39,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:16:39,116 INFO L480 AbstractCegarLoop]: Abstraction has 2242 states and 2660 transitions. [2018-12-03 07:16:39,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-03 07:16:39,116 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 2660 transitions. [2018-12-03 07:16:39,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-03 07:16:39,120 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:16:39,120 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-03 07:16:39,120 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:16:39,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:16:39,120 INFO L82 PathProgramCache]: Analyzing trace with hash -2061597238, now seen corresponding path program 1 times [2018-12-03 07:16:39,120 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:16:39,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:16:39,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:16:39,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:16:39,121 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:16:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:16:39,511 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 226 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:16:39,511 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:16:39,511 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 07:16:39,511 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 265 with the following transitions: [2018-12-03 07:16:39,512 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [233], [236], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 07:16:39,514 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 07:16:39,514 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 07:16:39,708 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 07:16:39,708 INFO L272 AbstractInterpreter]: Visited 125 different actions 485 times. Merged at 7 different actions 22 times. Never widened. Performed 5746 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5746 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-03 07:16:39,709 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:16:39,709 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 07:16:39,709 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:16:39,709 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2222b7e-1fb3-4c7c-843c-de4ae2983f65/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 07:16:39,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:16:39,715 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 07:16:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:16:39,763 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 07:16:39,846 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 225 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-03 07:16:39,846 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 07:16:39,942 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 225 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-03 07:16:39,957 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 07:16:39,958 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 6, 6] total 22 [2018-12-03 07:16:39,958 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 07:16:39,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-03 07:16:39,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-03 07:16:39,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2018-12-03 07:16:39,959 INFO L87 Difference]: Start difference. First operand 2242 states and 2660 transitions. Second operand 20 states. [2018-12-03 07:16:46,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:16:46,227 INFO L93 Difference]: Finished difference Result 5085 states and 6680 transitions. [2018-12-03 07:16:46,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-12-03 07:16:46,227 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 264 [2018-12-03 07:16:46,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:16:46,240 INFO L225 Difference]: With dead ends: 5085 [2018-12-03 07:16:46,240 INFO L226 Difference]: Without dead ends: 2835 [2018-12-03 07:16:46,247 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 637 GetRequests, 555 SyntacticMatches, 2 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2020 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1294, Invalid=5348, Unknown=0, NotChecked=0, Total=6642 [2018-12-03 07:16:46,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2835 states. [2018-12-03 07:16:46,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2835 to 2257. [2018-12-03 07:16:46,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2257 states. [2018-12-03 07:16:46,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2257 states to 2257 states and 2603 transitions. [2018-12-03 07:16:46,301 INFO L78 Accepts]: Start accepts. Automaton has 2257 states and 2603 transitions. Word has length 264 [2018-12-03 07:16:46,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:16:46,302 INFO L480 AbstractCegarLoop]: Abstraction has 2257 states and 2603 transitions. [2018-12-03 07:16:46,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-03 07:16:46,302 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 2603 transitions. [2018-12-03 07:16:46,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-12-03 07:16:46,305 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:16:46,305 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-12-03 07:16:46,306 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:16:46,306 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:16:46,306 INFO L82 PathProgramCache]: Analyzing trace with hash -406982053, now seen corresponding path program 1 times [2018-12-03 07:16:46,306 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:16:46,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:16:46,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:16:46,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:16:46,306 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:16:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:16:46,373 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 170 proven. 13 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-03 07:16:46,374 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:16:46,374 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 07:16:46,374 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 267 with the following transitions: [2018-12-03 07:16:46,374 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [312], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 07:16:46,376 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 07:16:46,376 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 07:16:46,515 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 07:16:46,515 INFO L272 AbstractInterpreter]: Visited 123 different actions 362 times. Merged at 6 different actions 15 times. Never widened. Performed 4215 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4215 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-03 07:16:46,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:16:46,516 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 07:16:46,516 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:16:46,516 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2222b7e-1fb3-4c7c-843c-de4ae2983f65/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 07:16:46,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:16:46,522 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 07:16:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:16:46,575 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 07:16:46,662 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 190 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-03 07:16:46,662 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 07:16:46,738 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 170 proven. 13 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-03 07:16:46,754 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 07:16:46,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-03 07:16:46,754 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 07:16:46,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 07:16:46,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 07:16:46,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-12-03 07:16:46,755 INFO L87 Difference]: Start difference. First operand 2257 states and 2603 transitions. Second operand 9 states. [2018-12-03 07:16:48,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:16:48,352 INFO L93 Difference]: Finished difference Result 4658 states and 5427 transitions. [2018-12-03 07:16:48,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-03 07:16:48,353 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 266 [2018-12-03 07:16:48,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:16:48,362 INFO L225 Difference]: With dead ends: 4658 [2018-12-03 07:16:48,362 INFO L226 Difference]: Without dead ends: 2109 [2018-12-03 07:16:48,369 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 537 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=169, Invalid=481, Unknown=0, NotChecked=0, Total=650 [2018-12-03 07:16:48,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2109 states. [2018-12-03 07:16:48,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2109 to 2105. [2018-12-03 07:16:48,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2105 states. [2018-12-03 07:16:48,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 2105 states and 2391 transitions. [2018-12-03 07:16:48,402 INFO L78 Accepts]: Start accepts. Automaton has 2105 states and 2391 transitions. Word has length 266 [2018-12-03 07:16:48,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:16:48,402 INFO L480 AbstractCegarLoop]: Abstraction has 2105 states and 2391 transitions. [2018-12-03 07:16:48,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 07:16:48,402 INFO L276 IsEmpty]: Start isEmpty. Operand 2105 states and 2391 transitions. [2018-12-03 07:16:48,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-03 07:16:48,405 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:16:48,405 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:16:48,405 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:16:48,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:16:48,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1179805392, now seen corresponding path program 1 times [2018-12-03 07:16:48,405 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:16:48,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:16:48,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:16:48,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:16:48,406 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:16:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:16:48,497 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 311 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-03 07:16:48,497 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:16:48,497 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 07:16:48,497 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 308 with the following transitions: [2018-12-03 07:16:48,498 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [159], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [233], [236], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 07:16:48,499 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 07:16:48,499 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 07:16:48,696 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 07:16:48,697 INFO L272 AbstractInterpreter]: Visited 126 different actions 494 times. Merged at 8 different actions 27 times. Never widened. Performed 5875 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5875 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 4 different actions. Largest state had 38 variables. [2018-12-03 07:16:48,700 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:16:48,700 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 07:16:48,700 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:16:48,700 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2222b7e-1fb3-4c7c-843c-de4ae2983f65/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 07:16:48,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:16:48,706 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 07:16:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:16:48,766 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 07:16:48,844 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 311 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-03 07:16:48,844 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 07:16:48,912 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 311 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-03 07:16:48,936 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 07:16:48,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7 [2018-12-03 07:16:48,936 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 07:16:48,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 07:16:48,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 07:16:48,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-03 07:16:48,937 INFO L87 Difference]: Start difference. First operand 2105 states and 2391 transitions. Second operand 6 states. [2018-12-03 07:16:49,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:16:49,200 INFO L93 Difference]: Finished difference Result 3754 states and 4340 transitions. [2018-12-03 07:16:49,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 07:16:49,200 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 307 [2018-12-03 07:16:49,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:16:49,201 INFO L225 Difference]: With dead ends: 3754 [2018-12-03 07:16:49,201 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 07:16:49,204 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 625 GetRequests, 615 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-12-03 07:16:49,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 07:16:49,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 07:16:49,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 07:16:49,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 07:16:49,205 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 307 [2018-12-03 07:16:49,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:16:49,205 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 07:16:49,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 07:16:49,205 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 07:16:49,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 07:16:49,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 07:16:49,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:16:49,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:16:49,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:16:49,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:16:49,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:16:49,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:16:49,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:16:49,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:16:49,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:16:49,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:16:49,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:16:49,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:16:49,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:16:49,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:16:49,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:16:49,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:16:49,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:16:49,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:16:49,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:16:49,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:16:49,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:16:49,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:16:49,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:16:49,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:16:49,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:16:49,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:16:49,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:16:49,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:16:50,019 WARN L180 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 82 [2018-12-03 07:16:50,338 WARN L180 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 60 [2018-12-03 07:16:50,628 WARN L180 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2018-12-03 07:16:50,630 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 07:16:50,630 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-12-03 07:16:50,630 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 07:16:50,630 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,630 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,630 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,630 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,630 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,630 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-03 07:16:50,630 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-03 07:16:50,630 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-03 07:16:50,630 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-03 07:16:50,631 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-03 07:16:50,631 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-03 07:16:50,631 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-03 07:16:50,631 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-03 07:16:50,631 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-03 07:16:50,631 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-03 07:16:50,631 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-03 07:16:50,631 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-03 07:16:50,631 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-03 07:16:50,631 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,631 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,631 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,631 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,631 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-03 07:16:50,631 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,631 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-03 07:16:50,632 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-03 07:16:50,632 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-03 07:16:50,632 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-03 07:16:50,632 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-03 07:16:50,632 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-03 07:16:50,632 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-03 07:16:50,632 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-03 07:16:50,632 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-03 07:16:50,632 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-03 07:16:50,632 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-03 07:16:50,632 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-03 07:16:50,632 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-03 07:16:50,632 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-03 07:16:50,632 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-03 07:16:50,632 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,633 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,633 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,633 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,633 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,633 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-03 07:16:50,633 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-03 07:16:50,633 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-03 07:16:50,633 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-03 07:16:50,633 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-03 07:16:50,633 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-03 07:16:50,633 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-03 07:16:50,633 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-03 07:16:50,633 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-03 07:16:50,633 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-03 07:16:50,633 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-03 07:16:50,633 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,633 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,634 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,634 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,634 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,634 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-03 07:16:50,634 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-03 07:16:50,634 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-03 07:16:50,634 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-03 07:16:50,634 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-03 07:16:50,634 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-03 07:16:50,634 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-03 07:16:50,634 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-03 07:16:50,634 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-03 07:16:50,634 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-03 07:16:50,634 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-03 07:16:50,634 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-03 07:16:50,634 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-03 07:16:50,635 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,635 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,635 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,635 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,635 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,635 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-03 07:16:50,635 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-03 07:16:50,635 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-03 07:16:50,635 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-03 07:16:50,635 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-03 07:16:50,635 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-03 07:16:50,635 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-03 07:16:50,635 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-03 07:16:50,635 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-03 07:16:50,635 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-03 07:16:50,635 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-03 07:16:50,635 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-03 07:16:50,636 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-03 07:16:50,636 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-03 07:16:50,636 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-03 07:16:50,636 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-03 07:16:50,636 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,636 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,636 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,636 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,636 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-03 07:16:50,636 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,636 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-03 07:16:50,636 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,636 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-03 07:16:50,636 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-03 07:16:50,636 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-03 07:16:50,636 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,637 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,637 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-03 07:16:50,637 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-03 07:16:50,637 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-03 07:16:50,637 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-03 07:16:50,637 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-03 07:16:50,637 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-03 07:16:50,637 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-03 07:16:50,637 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-03 07:16:50,637 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-03 07:16:50,637 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-03 07:16:50,637 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-03 07:16:50,637 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,637 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,637 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,637 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,637 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,638 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,638 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-03 07:16:50,638 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-03 07:16:50,638 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-03 07:16:50,638 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-03 07:16:50,638 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-03 07:16:50,638 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-03 07:16:50,638 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-03 07:16:50,638 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-03 07:16:50,638 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-03 07:16:50,638 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-03 07:16:50,638 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-03 07:16:50,638 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,638 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,638 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,638 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,639 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,639 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,639 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-03 07:16:50,639 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-03 07:16:50,639 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-03 07:16:50,639 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-03 07:16:50,639 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-03 07:16:50,639 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-03 07:16:50,639 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-03 07:16:50,639 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-03 07:16:50,639 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-03 07:16:50,639 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-03 07:16:50,639 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-03 07:16:50,639 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 505) no Hoare annotation was computed. [2018-12-03 07:16:50,639 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-03 07:16:50,639 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-03 07:16:50,640 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-03 07:16:50,640 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,640 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,640 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,640 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse13 (= |old(~a11~0)| ~a11~0)) (.cse14 (= ~a17~0 |old(~a17~0)|)) (.cse16 (= ~a19~0 |old(~a19~0)|)) (.cse15 (= ~a28~0 |old(~a28~0)|)) (.cse17 (= ~a25~0 |old(~a25~0)|)) (.cse21 (= 1 |old(~a19~0)|)) (.cse2 (= 1 |old(~a11~0)|)) (.cse18 (= 1 |old(~a25~0)|))) (let ((.cse4 (= 9 |old(~a28~0)|)) (.cse7 (not (= 7 |old(~a28~0)|))) (.cse11 (= 1 ~a11~0)) (.cse20 (= 8 ~a17~0)) (.cse12 (= 1 ~a19~0)) (.cse8 (not .cse18)) (.cse19 (not (= 8 |old(~a17~0)|))) (.cse10 (not .cse2)) (.cse22 (= |old(~a25~0)| ~a25~0)) (.cse3 (= 8 |old(~a28~0)|)) (.cse0 (< 10 |old(~a28~0)|)) (.cse1 (not (= 1 ~a21~0))) (.cse9 (not .cse21)) (.cse5 (not (= |old(~a17~0)| 8))) (.cse6 (and .cse13 .cse14 .cse16 .cse15 .cse17))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse1 .cse7 .cse8 .cse9 .cse10 (and .cse11 .cse12) (not (= 7 |old(~a17~0)|))) (or (and .cse13 .cse14 .cse15 .cse16 .cse17) (or .cse0 .cse1 .cse2 .cse4 .cse5 .cse18)) (or .cse1 .cse8 .cse9 .cse19 (and .cse11 (= 1 ~a25~0) (= 9 ~a28~0) .cse20 .cse12) (not .cse4) .cse10) (or .cse1 .cse2 .cse8 .cse9 .cse19 (and .cse13 .cse20 .cse16 .cse15 .cse17)) (or .cse0 (or .cse1 .cse5 .cse18) (< |old(~a28~0)| 9) (and .cse14 .cse11 .cse15 .cse17) .cse10) (or .cse21 .cse1 .cse7 .cse19 (and (= 7 ~a28~0) (not (= ~a25~0 1)) .cse11 .cse20 (not .cse12)) .cse10 .cse18) (or (and .cse11 .cse20 .cse12 .cse22 (= 10 ~a28~0)) .cse1 (not (= 10 |old(~a28~0)|)) .cse8 .cse9 .cse19 .cse10) (or (and (= |old(~a17~0)| ~a17~0) .cse22 .cse15) .cse1 .cse3 (< 7 |old(~a17~0)|)) (or .cse0 .cse1 .cse2 .cse9 .cse5 .cse6)))) [2018-12-03 07:16:50,640 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,640 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,640 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,640 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-03 07:16:50,640 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-03 07:16:50,641 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-03 07:16:50,641 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-03 07:16:50,641 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-03 07:16:50,641 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-03 07:16:50,641 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-03 07:16:50,641 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-03 07:16:50,641 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-03 07:16:50,641 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-03 07:16:50,641 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-03 07:16:50,641 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-03 07:16:50,641 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-03 07:16:50,641 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,641 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,641 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,641 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,641 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,642 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,642 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-03 07:16:50,642 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-03 07:16:50,642 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-03 07:16:50,642 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-03 07:16:50,642 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-03 07:16:50,642 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-03 07:16:50,642 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-03 07:16:50,642 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-03 07:16:50,642 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-03 07:16:50,642 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-03 07:16:50,642 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-03 07:16:50,642 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-03 07:16:50,642 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-03 07:16:50,642 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-03 07:16:50,642 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-03 07:16:50,643 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-03 07:16:50,643 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,643 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,643 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,643 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,643 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 07:16:50,643 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-03 07:16:50,643 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-03 07:16:50,643 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-03 07:16:50,643 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-03 07:16:50,643 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-03 07:16:50,643 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-03 07:16:50,643 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-03 07:16:50,643 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-03 07:16:50,643 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-03 07:16:50,643 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-03 07:16:50,644 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-03 07:16:50,644 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-03 07:16:50,644 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-03 07:16:50,644 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-03 07:16:50,644 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-03 07:16:50,644 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-03 07:16:50,644 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-03 07:16:50,644 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-03 07:16:50,644 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-03 07:16:50,644 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 07:16:50,644 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-12-03 07:16:50,644 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 07:16:50,644 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 07:16:50,644 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-12-03 07:16:50,645 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (not (= ~a25~0 1))) (.cse5 (not (= ~a28~0 8))) (.cse4 (not (= ~a28~0 9))) (.cse2 (= |old(~a17~0)| ~a17~0)) (.cse3 (<= ~a28~0 10)) (.cse6 (= 1 ~a11~0)) (.cse0 (= ~a11~0 |old(~a11~0)|)) (.cse8 (= 1 ~a19~0)) (.cse7 (= 8 ~a17~0))) (or (and .cse0 (and .cse1 .cse2 .cse3 .cse4)) (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (<= ~a17~0 7) .cse5) (not (= 0 |old(~a11~0)|)) (and (= 7 ~a28~0) .cse1 .cse6 .cse7 (not .cse8)) (and .cse6 (and .cse1 .cse2 .cse3) (<= 9 ~a28~0)) (and .cse0 .cse2 .cse3 .cse5 .cse4) (and .cse6 (= 9 ~a28~0) .cse7 .cse8) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse2 .cse3 .cse8) (not (= 1 |old(~a19~0)|)) (and .cse6 .cse7 .cse8 (= 10 ~a28~0)) (not (= 8 |old(~a17~0)|)) (and .cse0 (= 1 ~a25~0) .cse8 .cse7))) [2018-12-03 07:16:50,645 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-03 07:16:50,645 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-03 07:16:50,645 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (not (= ~a25~0 1))) (.cse5 (not (= ~a28~0 8))) (.cse4 (not (= ~a28~0 9))) (.cse2 (= |old(~a17~0)| ~a17~0)) (.cse3 (<= ~a28~0 10)) (.cse6 (= 1 ~a11~0)) (.cse0 (= ~a11~0 |old(~a11~0)|)) (.cse8 (= 1 ~a19~0)) (.cse7 (= 8 ~a17~0))) (or (and .cse0 (and .cse1 .cse2 .cse3 .cse4)) (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (<= ~a17~0 7) .cse5) (not (= 0 |old(~a11~0)|)) (and (= 7 ~a28~0) .cse1 .cse6 .cse7 (not .cse8)) (and .cse6 (and .cse1 .cse2 .cse3) (<= 9 ~a28~0)) (and .cse0 .cse2 .cse3 .cse5 .cse4) (and .cse6 (= 9 ~a28~0) .cse7 .cse8) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse2 .cse3 .cse8) (not (= 1 |old(~a19~0)|)) (and .cse6 .cse7 .cse8 (= 10 ~a28~0)) (not (= 8 |old(~a17~0)|)) (and .cse0 (= 1 ~a25~0) .cse8 .cse7))) [2018-12-03 07:16:50,645 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-03 07:16:50,645 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-03 07:16:50,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 07:16:50 BoogieIcfgContainer [2018-12-03 07:16:50,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 07:16:50,655 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 07:16:50,655 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 07:16:50,655 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 07:16:50,656 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:16:29" (3/4) ... [2018-12-03 07:16:50,659 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 07:16:50,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 07:16:50,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-03 07:16:50,664 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 07:16:50,672 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-03 07:16:50,672 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-03 07:16:50,693 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((a11 == \old(a11) && ((!(a25 == 1) && \old(a17) == a17) && a28 <= 10) && !(a28 == 9)) || !(1 == a21)) || !(7 == \old(a28))) || (a17 <= 7 && !(a28 == 8))) || !(0 == \old(a11))) || ((((7 == a28 && !(a25 == 1)) && 1 == a11) && 8 == a17) && !(1 == a19))) || ((1 == a11 && (!(a25 == 1) && \old(a17) == a17) && a28 <= 10) && 9 <= a28)) || ((((a11 == \old(a11) && \old(a17) == a17) && a28 <= 10) && !(a28 == 8)) && !(a28 == 9))) || (((1 == a11 && 9 == a28) && 8 == a17) && 1 == a19)) || !(0 == \old(a25))) || (((a11 == \old(a11) && \old(a17) == a17) && a28 <= 10) && 1 == a19)) || !(1 == \old(a19))) || (((1 == a11 && 8 == a17) && 1 == a19) && 10 == a28)) || !(8 == \old(a17))) || (((a11 == \old(a11) && 1 == a25) && 1 == a19) && 8 == a17) [2018-12-03 07:16:50,739 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c2222b7e-1fb3-4c7c-843c-de4ae2983f65/bin-2019/utaipan/witness.graphml [2018-12-03 07:16:50,739 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 07:16:50,739 INFO L168 Benchmark]: Toolchain (without parser) took 21968.59 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 853.0 MB). Free memory was 947.0 MB in the beginning and 942.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 857.8 MB. Max. memory is 11.5 GB. [2018-12-03 07:16:50,740 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:16:50,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -181.7 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. [2018-12-03 07:16:50,740 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-12-03 07:16:50,741 INFO L168 Benchmark]: Boogie Preprocessor took 40.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-03 07:16:50,741 INFO L168 Benchmark]: RCFGBuilder took 621.15 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: 98.3 MB). Peak memory consumption was 98.3 MB. Max. memory is 11.5 GB. [2018-12-03 07:16:50,741 INFO L168 Benchmark]: TraceAbstraction took 20890.39 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 713.0 MB). Free memory was 1.0 GB in the beginning and 961.9 MB in the end (delta: 58.4 MB). Peak memory consumption was 771.4 MB. Max. memory is 11.5 GB. [2018-12-03 07:16:50,741 INFO L168 Benchmark]: Witness Printer took 83.71 ms. Allocated memory is still 1.9 GB. Free memory was 961.9 MB in the beginning and 942.2 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-12-03 07:16:50,743 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 311.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -181.7 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 621.15 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: 98.3 MB). Peak memory consumption was 98.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20890.39 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 713.0 MB). Free memory was 1.0 GB in the beginning and 961.9 MB in the end (delta: 58.4 MB). Peak memory consumption was 771.4 MB. Max. memory is 11.5 GB. * Witness Printer took 83.71 ms. Allocated memory is still 1.9 GB. Free memory was 961.9 MB in the beginning and 942.2 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 505]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((((a11 == \old(a11) && ((!(a25 == 1) && \old(a17) == a17) && a28 <= 10) && !(a28 == 9)) || !(1 == a21)) || !(7 == \old(a28))) || (a17 <= 7 && !(a28 == 8))) || !(0 == \old(a11))) || ((((7 == a28 && !(a25 == 1)) && 1 == a11) && 8 == a17) && !(1 == a19))) || ((1 == a11 && (!(a25 == 1) && \old(a17) == a17) && a28 <= 10) && 9 <= a28)) || ((((a11 == \old(a11) && \old(a17) == a17) && a28 <= 10) && !(a28 == 8)) && !(a28 == 9))) || (((1 == a11 && 9 == a28) && 8 == a17) && 1 == a19)) || !(0 == \old(a25))) || (((a11 == \old(a11) && \old(a17) == a17) && a28 <= 10) && 1 == a19)) || !(1 == \old(a19))) || (((1 == a11 && 8 == a17) && 1 == a19) && 10 == a28)) || !(8 == \old(a17))) || (((a11 == \old(a11) && 1 == a25) && 1 == a19) && 8 == a17) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 20.8s OverallTime, 12 OverallIterations, 5 TraceHistogramMax, 15.0s AutomataDifference, 0.0s DeadEndRemovalTime, 1.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 686 SDtfs, 10137 SDslu, 1171 SDs, 0 SdLazy, 15256 SolverSat, 2643 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 2485 GetRequests, 2283 SyntacticMatches, 13 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2369 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2257occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.1s AbstIntTime, 5 AbstIntIterations, 1 AbstIntStrong, 0.9974566577017558 AbsIntWeakeningRatio, 0.18333333333333332 AbsIntAvgWeakeningVarsNumRemoved, 26.68888888888889 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 776 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 113 PreInvPairs, 169 NumberOfFragments, 758 HoareAnnotationTreeSize, 113 FomulaSimplifications, 8869 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6821 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 3168 NumberOfCodeBlocks, 3168 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4170 ConstructedInterpolants, 0 QuantifiedInterpolants, 3238236 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2326 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 20 InterpolantComputations, 7 PerfectInterpolantSequences, 3213/3317 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...