./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label05_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_52cf6cc4-7c6d-4ca0-af0b-870f78cbf0e2/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_52cf6cc4-7c6d-4ca0-af0b-870f78cbf0e2/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_52cf6cc4-7c6d-4ca0-af0b-870f78cbf0e2/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_52cf6cc4-7c6d-4ca0-af0b-870f78cbf0e2/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_52cf6cc4-7c6d-4ca0-af0b-870f78cbf0e2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_52cf6cc4-7c6d-4ca0-af0b-870f78cbf0e2/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 6893c9ea3ad65b75d2a8fdb58db378617d0e1a5f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:21:04,143 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 02:21:04,144 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 02:21:04,150 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 02:21:04,150 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 02:21:04,151 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 02:21:04,152 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 02:21:04,152 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 02:21:04,153 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 02:21:04,153 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 02:21:04,154 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 02:21:04,154 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 02:21:04,155 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 02:21:04,155 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 02:21:04,156 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 02:21:04,156 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 02:21:04,156 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 02:21:04,157 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 02:21:04,158 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 02:21:04,159 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 02:21:04,159 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 02:21:04,160 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 02:21:04,161 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 02:21:04,161 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 02:21:04,161 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 02:21:04,162 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 02:21:04,162 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 02:21:04,163 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 02:21:04,163 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 02:21:04,164 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 02:21:04,164 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 02:21:04,164 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 02:21:04,164 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 02:21:04,164 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 02:21:04,165 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 02:21:04,165 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 02:21:04,166 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_52cf6cc4-7c6d-4ca0-af0b-870f78cbf0e2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 02:21:04,173 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 02:21:04,173 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 02:21:04,173 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 02:21:04,174 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 02:21:04,174 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 02:21:04,174 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 02:21:04,174 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 02:21:04,174 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 02:21:04,174 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 02:21:04,174 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 02:21:04,174 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 02:21:04,174 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 02:21:04,174 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 02:21:04,175 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 02:21:04,175 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 02:21:04,175 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 02:21:04,175 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 02:21:04,175 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 02:21:04,175 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 02:21:04,175 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 02:21:04,175 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 02:21:04,175 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 02:21:04,175 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 02:21:04,176 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 02:21:04,176 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 02:21:04,176 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 02:21:04,176 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 02:21:04,176 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 02:21:04,176 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 02:21:04,176 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 02:21:04,176 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 02:21:04,176 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 02:21:04,176 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 02:21:04,176 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 02:21:04,177 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 02:21:04,177 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 02:21:04,177 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_52cf6cc4-7c6d-4ca0-af0b-870f78cbf0e2/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 -> 6893c9ea3ad65b75d2a8fdb58db378617d0e1a5f [2018-12-03 02:21:04,193 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 02:21:04,200 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 02:21:04,202 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 02:21:04,203 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 02:21:04,203 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 02:21:04,204 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_52cf6cc4-7c6d-4ca0-af0b-870f78cbf0e2/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c [2018-12-03 02:21:04,239 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_52cf6cc4-7c6d-4ca0-af0b-870f78cbf0e2/bin-2019/utaipan/data/83bf08833/699ae1082b964fd6af9be1ba902af35a/FLAG916ff4f06 [2018-12-03 02:21:04,669 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 02:21:04,669 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_52cf6cc4-7c6d-4ca0-af0b-870f78cbf0e2/sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c [2018-12-03 02:21:04,676 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_52cf6cc4-7c6d-4ca0-af0b-870f78cbf0e2/bin-2019/utaipan/data/83bf08833/699ae1082b964fd6af9be1ba902af35a/FLAG916ff4f06 [2018-12-03 02:21:04,684 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_52cf6cc4-7c6d-4ca0-af0b-870f78cbf0e2/bin-2019/utaipan/data/83bf08833/699ae1082b964fd6af9be1ba902af35a [2018-12-03 02:21:04,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 02:21:04,686 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 02:21:04,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 02:21:04,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 02:21:04,689 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 02:21:04,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:21:04" (1/1) ... [2018-12-03 02:21:04,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2caf47c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:21:04, skipping insertion in model container [2018-12-03 02:21:04,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:21:04" (1/1) ... [2018-12-03 02:21:04,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 02:21:04,720 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 02:21:04,899 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:21:04,902 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 02:21:04,950 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:21:05,010 INFO L195 MainTranslator]: Completed translation [2018-12-03 02:21:05,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:21:05 WrapperNode [2018-12-03 02:21:05,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 02:21:05,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 02:21:05,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 02:21:05,011 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 02:21:05,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:21:05" (1/1) ... [2018-12-03 02:21:05,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:21:05" (1/1) ... [2018-12-03 02:21:05,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 02:21:05,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 02:21:05,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 02:21:05,034 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 02:21:05,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:21:05" (1/1) ... [2018-12-03 02:21:05,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:21:05" (1/1) ... [2018-12-03 02:21:05,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:21:05" (1/1) ... [2018-12-03 02:21:05,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:21:05" (1/1) ... [2018-12-03 02:21:05,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:21:05" (1/1) ... [2018-12-03 02:21:05,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:21:05" (1/1) ... [2018-12-03 02:21:05,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:21:05" (1/1) ... [2018-12-03 02:21:05,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 02:21:05,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 02:21:05,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 02:21:05,076 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 02:21:05,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:21:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52cf6cc4-7c6d-4ca0-af0b-870f78cbf0e2/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 02:21:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 02:21:05,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 02:21:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-03 02:21:05,116 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-03 02:21:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 02:21:05,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 02:21:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 02:21:05,116 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 02:21:05,657 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 02:21:05,657 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 02:21:05,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:21:05 BoogieIcfgContainer [2018-12-03 02:21:05,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 02:21:05,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 02:21:05,658 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 02:21:05,660 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 02:21:05,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 02:21:04" (1/3) ... [2018-12-03 02:21:05,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd092c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:21:05, skipping insertion in model container [2018-12-03 02:21:05,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:21:05" (2/3) ... [2018-12-03 02:21:05,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd092c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:21:05, skipping insertion in model container [2018-12-03 02:21:05,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:21:05" (3/3) ... [2018-12-03 02:21:05,663 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label05_true-unreach-call_false-termination.c [2018-12-03 02:21:05,670 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 02:21:05,676 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 02:21:05,689 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 02:21:05,711 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 02:21:05,712 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 02:21:05,712 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 02:21:05,712 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 02:21:05,712 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 02:21:05,712 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 02:21:05,712 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 02:21:05,712 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 02:21:05,729 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-03 02:21:05,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-03 02:21:05,735 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:21:05,736 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] [2018-12-03 02:21:05,737 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:21:05,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:21:05,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1904695938, now seen corresponding path program 1 times [2018-12-03 02:21:05,743 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:21:05,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:21:05,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:21:05,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:21:05,781 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:21:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:21:05,989 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 02:21:05,990 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:21:05,990 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 02:21:05,991 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:21:05,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 02:21:06,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 02:21:06,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 02:21:06,004 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-03 02:21:06,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:21:06,414 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-03 02:21:06,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 02:21:06,415 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2018-12-03 02:21:06,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:21:06,423 INFO L225 Difference]: With dead ends: 547 [2018-12-03 02:21:06,423 INFO L226 Difference]: Without dead ends: 278 [2018-12-03 02:21:06,426 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 02:21:06,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-03 02:21:06,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-03 02:21:06,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-03 02:21:06,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 400 transitions. [2018-12-03 02:21:06,460 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 400 transitions. Word has length 100 [2018-12-03 02:21:06,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:21:06,461 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 400 transitions. [2018-12-03 02:21:06,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 02:21:06,461 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 400 transitions. [2018-12-03 02:21:06,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-03 02:21:06,463 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:21:06,463 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 02:21:06,464 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:21:06,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:21:06,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1236531093, now seen corresponding path program 1 times [2018-12-03 02:21:06,464 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:21:06,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:21:06,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:21:06,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:21:06,465 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:21:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:21:06,536 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:21:06,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:21:06,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 02:21:06,536 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:21:06,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 02:21:06,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 02:21:06,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 02:21:06,538 INFO L87 Difference]: Start difference. First operand 278 states and 400 transitions. Second operand 6 states. [2018-12-03 02:21:06,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:21:06,981 INFO L93 Difference]: Finished difference Result 703 states and 1026 transitions. [2018-12-03 02:21:06,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 02:21:06,981 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 110 [2018-12-03 02:21:06,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:21:06,984 INFO L225 Difference]: With dead ends: 703 [2018-12-03 02:21:06,984 INFO L226 Difference]: Without dead ends: 431 [2018-12-03 02:21:06,985 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 02:21:06,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-12-03 02:21:06,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 419. [2018-12-03 02:21:06,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-12-03 02:21:07,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 588 transitions. [2018-12-03 02:21:07,000 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 588 transitions. Word has length 110 [2018-12-03 02:21:07,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:21:07,000 INFO L480 AbstractCegarLoop]: Abstraction has 419 states and 588 transitions. [2018-12-03 02:21:07,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 02:21:07,000 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 588 transitions. [2018-12-03 02:21:07,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-03 02:21:07,002 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:21:07,002 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 02:21:07,002 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:21:07,002 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:21:07,002 INFO L82 PathProgramCache]: Analyzing trace with hash 235879383, now seen corresponding path program 1 times [2018-12-03 02:21:07,003 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:21:07,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:21:07,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:21:07,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:21:07,003 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:21:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:21:07,059 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:21:07,060 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:21:07,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 02:21:07,060 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:21:07,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 02:21:07,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 02:21:07,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 02:21:07,061 INFO L87 Difference]: Start difference. First operand 419 states and 588 transitions. Second operand 3 states. [2018-12-03 02:21:07,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:21:07,316 INFO L93 Difference]: Finished difference Result 1241 states and 1781 transitions. [2018-12-03 02:21:07,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 02:21:07,317 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2018-12-03 02:21:07,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:21:07,320 INFO L225 Difference]: With dead ends: 1241 [2018-12-03 02:21:07,320 INFO L226 Difference]: Without dead ends: 828 [2018-12-03 02:21:07,321 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 02:21:07,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2018-12-03 02:21:07,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 828. [2018-12-03 02:21:07,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2018-12-03 02:21:07,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1140 transitions. [2018-12-03 02:21:07,343 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1140 transitions. Word has length 111 [2018-12-03 02:21:07,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:21:07,344 INFO L480 AbstractCegarLoop]: Abstraction has 828 states and 1140 transitions. [2018-12-03 02:21:07,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 02:21:07,344 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1140 transitions. [2018-12-03 02:21:07,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-03 02:21:07,347 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:21:07,347 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:21:07,347 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:21:07,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:21:07,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1258087941, now seen corresponding path program 1 times [2018-12-03 02:21:07,348 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:21:07,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:21:07,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:21:07,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:21:07,349 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:21:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:21:07,415 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:21:07,415 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:21:07,415 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 02:21:07,416 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:21:07,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 02:21:07,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 02:21:07,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 02:21:07,416 INFO L87 Difference]: Start difference. First operand 828 states and 1140 transitions. Second operand 6 states. [2018-12-03 02:21:07,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:21:07,833 INFO L93 Difference]: Finished difference Result 2250 states and 3291 transitions. [2018-12-03 02:21:07,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 02:21:07,833 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-12-03 02:21:07,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:21:07,839 INFO L225 Difference]: With dead ends: 2250 [2018-12-03 02:21:07,839 INFO L226 Difference]: Without dead ends: 1428 [2018-12-03 02:21:07,841 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 02:21:07,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2018-12-03 02:21:07,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1400. [2018-12-03 02:21:07,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1400 states. [2018-12-03 02:21:07,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1400 states and 1852 transitions. [2018-12-03 02:21:07,868 INFO L78 Accepts]: Start accepts. Automaton has 1400 states and 1852 transitions. Word has length 125 [2018-12-03 02:21:07,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:21:07,868 INFO L480 AbstractCegarLoop]: Abstraction has 1400 states and 1852 transitions. [2018-12-03 02:21:07,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 02:21:07,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1852 transitions. [2018-12-03 02:21:07,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-03 02:21:07,871 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:21:07,871 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:21:07,871 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:21:07,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:21:07,872 INFO L82 PathProgramCache]: Analyzing trace with hash -676972618, now seen corresponding path program 1 times [2018-12-03 02:21:07,872 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:21:07,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:21:07,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:21:07,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:21:07,873 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:21:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:21:07,943 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:21:07,943 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:21:07,943 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:21:07,944 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 143 with the following transitions: [2018-12-03 02:21:07,946 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-03 02:21:07,980 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:21:07,981 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:21:08,354 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 02:21:08,355 INFO L272 AbstractInterpreter]: Visited 104 different actions 201 times. Merged at 3 different actions 3 times. Never widened. Performed 2886 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2886 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-03 02:21:08,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:21:08,360 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 02:21:08,584 INFO L227 lantSequenceWeakener]: Weakened 139 states. On average, predicates are now at 81.59% of their original sizes. [2018-12-03 02:21:08,584 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 02:21:08,643 INFO L418 sIntCurrentIteration]: We unified 141 AI predicates to 141 [2018-12-03 02:21:08,643 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 02:21:08,643 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 02:21:08,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-03 02:21:08,643 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:21:08,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 02:21:08,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 02:21:08,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 02:21:08,644 INFO L87 Difference]: Start difference. First operand 1400 states and 1852 transitions. Second operand 10 states. [2018-12-03 02:21:11,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:21:11,070 INFO L93 Difference]: Finished difference Result 3587 states and 4823 transitions. [2018-12-03 02:21:11,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-03 02:21:11,071 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 142 [2018-12-03 02:21:11,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:21:11,075 INFO L225 Difference]: With dead ends: 3587 [2018-12-03 02:21:11,075 INFO L226 Difference]: Without dead ends: 2193 [2018-12-03 02:21:11,077 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 151 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-03 02:21:11,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2193 states. [2018-12-03 02:21:11,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2193 to 1543. [2018-12-03 02:21:11,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1543 states. [2018-12-03 02:21:11,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2017 transitions. [2018-12-03 02:21:11,102 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2017 transitions. Word has length 142 [2018-12-03 02:21:11,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:21:11,102 INFO L480 AbstractCegarLoop]: Abstraction has 1543 states and 2017 transitions. [2018-12-03 02:21:11,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 02:21:11,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2017 transitions. [2018-12-03 02:21:11,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-03 02:21:11,104 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:21:11,105 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:21:11,105 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:21:11,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:21:11,105 INFO L82 PathProgramCache]: Analyzing trace with hash 818674521, now seen corresponding path program 1 times [2018-12-03 02:21:11,105 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:21:11,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:21:11,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:21:11,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:21:11,106 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:21:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:21:11,157 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 55 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-03 02:21:11,157 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:21:11,157 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:21:11,158 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-12-03 02:21:11,158 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-03 02:21:11,160 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:21:11,161 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:21:11,267 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 02:21:11,267 INFO L272 AbstractInterpreter]: Visited 105 different actions 204 times. Merged at 4 different actions 4 times. Never widened. Performed 2774 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2774 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-03 02:21:11,269 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:21:11,269 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 02:21:11,389 INFO L227 lantSequenceWeakener]: Weakened 151 states. On average, predicates are now at 81.57% of their original sizes. [2018-12-03 02:21:11,389 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 02:21:11,436 INFO L418 sIntCurrentIteration]: We unified 153 AI predicates to 153 [2018-12-03 02:21:11,437 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 02:21:11,437 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 02:21:11,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-03 02:21:11,437 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:21:11,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 02:21:11,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 02:21:11,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 02:21:11,438 INFO L87 Difference]: Start difference. First operand 1543 states and 2017 transitions. Second operand 10 states. [2018-12-03 02:21:13,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:21:13,079 INFO L93 Difference]: Finished difference Result 3354 states and 4356 transitions. [2018-12-03 02:21:13,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-03 02:21:13,079 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 154 [2018-12-03 02:21:13,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:21:13,082 INFO L225 Difference]: With dead ends: 3354 [2018-12-03 02:21:13,082 INFO L226 Difference]: Without dead ends: 1817 [2018-12-03 02:21:13,084 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 161 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-03 02:21:13,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1817 states. [2018-12-03 02:21:13,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1817 to 1815. [2018-12-03 02:21:13,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1815 states. [2018-12-03 02:21:13,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 2315 transitions. [2018-12-03 02:21:13,109 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 2315 transitions. Word has length 154 [2018-12-03 02:21:13,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:21:13,109 INFO L480 AbstractCegarLoop]: Abstraction has 1815 states and 2315 transitions. [2018-12-03 02:21:13,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 02:21:13,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2315 transitions. [2018-12-03 02:21:13,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-03 02:21:13,112 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:21:13,112 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:21:13,112 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:21:13,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:21:13,113 INFO L82 PathProgramCache]: Analyzing trace with hash 740799730, now seen corresponding path program 1 times [2018-12-03 02:21:13,113 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:21:13,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:21:13,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:21:13,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:21:13,114 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:21:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:21:13,151 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 67 proven. 14 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-03 02:21:13,151 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:21:13,151 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:21:13,151 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 166 with the following transitions: [2018-12-03 02:21:13,151 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-03 02:21:13,154 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:21:13,154 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:21:13,326 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 02:21:13,326 INFO L272 AbstractInterpreter]: Visited 107 different actions 315 times. Merged at 6 different actions 16 times. Never widened. Performed 4459 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4459 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 42 variables. [2018-12-03 02:21:13,328 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:21:13,328 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 02:21:13,329 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:21:13,329 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52cf6cc4-7c6d-4ca0-af0b-870f78cbf0e2/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 02:21:13,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:21:13,335 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 02:21:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:21:13,393 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:21:13,452 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 55 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-03 02:21:13,453 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:21:13,525 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 67 proven. 14 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-03 02:21:13,541 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 02:21:13,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-12-03 02:21:13,541 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 02:21:13,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 02:21:13,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 02:21:13,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-03 02:21:13,542 INFO L87 Difference]: Start difference. First operand 1815 states and 2315 transitions. Second operand 8 states. [2018-12-03 02:21:14,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:21:14,990 INFO L93 Difference]: Finished difference Result 6132 states and 8226 transitions. [2018-12-03 02:21:14,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-03 02:21:14,990 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 165 [2018-12-03 02:21:14,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:21:15,004 INFO L225 Difference]: With dead ends: 6132 [2018-12-03 02:21:15,004 INFO L226 Difference]: Without dead ends: 4164 [2018-12-03 02:21:15,010 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=181, Invalid=631, Unknown=0, NotChecked=0, Total=812 [2018-12-03 02:21:15,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4164 states. [2018-12-03 02:21:15,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4164 to 3449. [2018-12-03 02:21:15,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3449 states. [2018-12-03 02:21:15,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3449 states to 3449 states and 4061 transitions. [2018-12-03 02:21:15,089 INFO L78 Accepts]: Start accepts. Automaton has 3449 states and 4061 transitions. Word has length 165 [2018-12-03 02:21:15,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:21:15,089 INFO L480 AbstractCegarLoop]: Abstraction has 3449 states and 4061 transitions. [2018-12-03 02:21:15,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 02:21:15,090 INFO L276 IsEmpty]: Start isEmpty. Operand 3449 states and 4061 transitions. [2018-12-03 02:21:15,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-03 02:21:15,094 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:21:15,095 INFO L402 BasicCegarLoop]: trace histogram [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, 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] [2018-12-03 02:21:15,095 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:21:15,095 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:21:15,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1946877733, now seen corresponding path program 1 times [2018-12-03 02:21:15,095 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:21:15,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:21:15,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:21:15,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:21:15,096 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:21:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:21:15,178 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 95 proven. 15 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-03 02:21:15,179 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:21:15,179 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:21:15,179 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 188 with the following transitions: [2018-12-03 02:21:15,179 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-03 02:21:15,181 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:21:15,181 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:21:15,267 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 02:21:15,267 INFO L272 AbstractInterpreter]: Visited 105 different actions 204 times. Merged at 4 different actions 4 times. Never widened. Performed 2826 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2826 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-03 02:21:15,270 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:21:15,271 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 02:21:15,401 INFO L227 lantSequenceWeakener]: Weakened 184 states. On average, predicates are now at 81.57% of their original sizes. [2018-12-03 02:21:15,401 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 02:21:15,443 INFO L418 sIntCurrentIteration]: We unified 186 AI predicates to 186 [2018-12-03 02:21:15,443 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 02:21:15,444 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 02:21:15,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-03 02:21:15,444 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:21:15,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 02:21:15,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 02:21:15,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 02:21:15,444 INFO L87 Difference]: Start difference. First operand 3449 states and 4061 transitions. Second operand 10 states. [2018-12-03 02:21:17,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:21:17,888 INFO L93 Difference]: Finished difference Result 6229 states and 7338 transitions. [2018-12-03 02:21:17,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-03 02:21:17,888 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 187 [2018-12-03 02:21:17,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:21:17,894 INFO L225 Difference]: With dead ends: 6229 [2018-12-03 02:21:17,894 INFO L226 Difference]: Without dead ends: 3862 [2018-12-03 02:21:17,897 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 195 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-03 02:21:17,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3862 states. [2018-12-03 02:21:17,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3862 to 3860. [2018-12-03 02:21:17,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3860 states. [2018-12-03 02:21:17,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3860 states to 3860 states and 4509 transitions. [2018-12-03 02:21:17,941 INFO L78 Accepts]: Start accepts. Automaton has 3860 states and 4509 transitions. Word has length 187 [2018-12-03 02:21:17,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:21:17,942 INFO L480 AbstractCegarLoop]: Abstraction has 3860 states and 4509 transitions. [2018-12-03 02:21:17,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 02:21:17,942 INFO L276 IsEmpty]: Start isEmpty. Operand 3860 states and 4509 transitions. [2018-12-03 02:21:17,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-12-03 02:21:17,947 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:21:17,947 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:21:17,947 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:21:17,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:21:17,948 INFO L82 PathProgramCache]: Analyzing trace with hash 903317792, now seen corresponding path program 1 times [2018-12-03 02:21:17,948 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:21:17,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:21:17,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:21:17,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:21:17,949 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:21:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:21:18,072 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 92 proven. 51 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-03 02:21:18,072 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:21:18,072 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:21:18,072 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 196 with the following transitions: [2018-12-03 02:21:18,072 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-03 02:21:18,074 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:21:18,074 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:21:18,279 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 02:21:18,280 INFO L272 AbstractInterpreter]: Visited 107 different actions 426 times. Merged at 8 different actions 31 times. Never widened. Performed 6200 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6200 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-03 02:21:18,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:21:18,281 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 02:21:18,281 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:21:18,281 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52cf6cc4-7c6d-4ca0-af0b-870f78cbf0e2/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 02:21:18,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:21:18,287 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 02:21:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:21:18,340 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:21:18,389 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-03 02:21:18,389 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:21:18,443 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 97 proven. 44 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-03 02:21:18,458 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 02:21:18,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-12-03 02:21:18,458 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 02:21:18,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-03 02:21:18,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-03 02:21:18,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-03 02:21:18,459 INFO L87 Difference]: Start difference. First operand 3860 states and 4509 transitions. Second operand 11 states. [2018-12-03 02:21:19,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:21:19,242 INFO L93 Difference]: Finished difference Result 8775 states and 10297 transitions. [2018-12-03 02:21:19,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-03 02:21:19,243 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 195 [2018-12-03 02:21:19,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:21:19,251 INFO L225 Difference]: With dead ends: 8775 [2018-12-03 02:21:19,251 INFO L226 Difference]: Without dead ends: 5467 [2018-12-03 02:21:19,254 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 391 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2018-12-03 02:21:19,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5467 states. [2018-12-03 02:21:19,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5467 to 5181. [2018-12-03 02:21:19,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5181 states. [2018-12-03 02:21:19,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5181 states to 5181 states and 5960 transitions. [2018-12-03 02:21:19,313 INFO L78 Accepts]: Start accepts. Automaton has 5181 states and 5960 transitions. Word has length 195 [2018-12-03 02:21:19,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:21:19,313 INFO L480 AbstractCegarLoop]: Abstraction has 5181 states and 5960 transitions. [2018-12-03 02:21:19,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-03 02:21:19,314 INFO L276 IsEmpty]: Start isEmpty. Operand 5181 states and 5960 transitions. [2018-12-03 02:21:19,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-12-03 02:21:19,318 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:21:19,319 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:21:19,319 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:21:19,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:21:19,319 INFO L82 PathProgramCache]: Analyzing trace with hash 355755510, now seen corresponding path program 2 times [2018-12-03 02:21:19,319 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:21:19,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:21:19,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:21:19,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:21:19,320 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:21:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:21:19,386 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 92 proven. 53 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-03 02:21:19,386 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:21:19,386 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:21:19,386 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-03 02:21:19,386 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-03 02:21:19,386 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:21:19,386 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52cf6cc4-7c6d-4ca0-af0b-870f78cbf0e2/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 02:21:19,392 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-03 02:21:19,392 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-03 02:21:19,433 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-12-03 02:21:19,433 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-03 02:21:19,438 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:21:19,510 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-03 02:21:19,510 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:21:19,541 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-03 02:21:19,556 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-03 02:21:19,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-12-03 02:21:19,556 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:21:19,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 02:21:19,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 02:21:19,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-12-03 02:21:19,557 INFO L87 Difference]: Start difference. First operand 5181 states and 5960 transitions. Second operand 3 states. [2018-12-03 02:21:19,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:21:19,751 INFO L93 Difference]: Finished difference Result 5590 states and 6468 transitions. [2018-12-03 02:21:19,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 02:21:19,751 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 195 [2018-12-03 02:21:19,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:21:19,760 INFO L225 Difference]: With dead ends: 5590 [2018-12-03 02:21:19,760 INFO L226 Difference]: Without dead ends: 5588 [2018-12-03 02:21:19,761 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-12-03 02:21:19,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5588 states. [2018-12-03 02:21:19,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5588 to 5316. [2018-12-03 02:21:19,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5316 states. [2018-12-03 02:21:19,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5316 states to 5316 states and 6116 transitions. [2018-12-03 02:21:19,819 INFO L78 Accepts]: Start accepts. Automaton has 5316 states and 6116 transitions. Word has length 195 [2018-12-03 02:21:19,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:21:19,820 INFO L480 AbstractCegarLoop]: Abstraction has 5316 states and 6116 transitions. [2018-12-03 02:21:19,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 02:21:19,820 INFO L276 IsEmpty]: Start isEmpty. Operand 5316 states and 6116 transitions. [2018-12-03 02:21:19,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-03 02:21:19,826 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:21:19,826 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:21:19,826 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:21:19,826 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:21:19,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1625704153, now seen corresponding path program 1 times [2018-12-03 02:21:19,827 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:21:19,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:21:19,827 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-03 02:21:19,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:21:19,827 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:21:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:21:19,904 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 129 proven. 72 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-03 02:21:19,904 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:21:19,904 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:21:19,904 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 232 with the following transitions: [2018-12-03 02:21:19,904 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [205], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-03 02:21:19,906 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:21:19,906 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:21:20,123 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 02:21:20,124 INFO L272 AbstractInterpreter]: Visited 108 different actions 435 times. Merged at 9 different actions 36 times. Widened at 1 different actions 1 times. Performed 6381 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6381 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-03 02:21:20,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:21:20,126 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 02:21:20,126 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:21:20,126 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52cf6cc4-7c6d-4ca0-af0b-870f78cbf0e2/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 02:21:20,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:21:20,134 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 02:21:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:21:20,192 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:21:20,238 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-03 02:21:20,239 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:21:20,299 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 134 proven. 20 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-03 02:21:20,315 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 02:21:20,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-12-03 02:21:20,315 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 02:21:20,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-03 02:21:20,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-03 02:21:20,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-12-03 02:21:20,316 INFO L87 Difference]: Start difference. First operand 5316 states and 6116 transitions. Second operand 12 states. [2018-12-03 02:21:22,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:21:22,276 INFO L93 Difference]: Finished difference Result 15425 states and 18902 transitions. [2018-12-03 02:21:22,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-12-03 02:21:22,276 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 231 [2018-12-03 02:21:22,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:21:22,276 INFO L225 Difference]: With dead ends: 15425 [2018-12-03 02:21:22,276 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 02:21:22,291 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 537 GetRequests, 491 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 576 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=444, Invalid=1718, Unknown=0, NotChecked=0, Total=2162 [2018-12-03 02:21:22,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 02:21:22,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 02:21:22,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 02:21:22,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 02:21:22,292 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 231 [2018-12-03 02:21:22,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:21:22,292 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 02:21:22,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-03 02:21:22,292 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 02:21:22,292 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 02:21:22,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 02:21:22,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,662 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 184 [2018-12-03 02:21:22,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:21:22,874 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 195 [2018-12-03 02:21:23,748 WARN L180 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 97 [2018-12-03 02:21:24,214 WARN L180 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 71 [2018-12-03 02:21:24,690 WARN L180 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 68 [2018-12-03 02:21:24,691 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 02:21:24,692 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0)) [2018-12-03 02:21:24,692 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 02:21:24,692 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-03 02:21:24,692 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-03 02:21:24,692 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,692 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,692 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,692 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,692 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,692 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,692 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-03 02:21:24,692 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-03 02:21:24,692 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-03 02:21:24,692 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-03 02:21:24,692 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-03 02:21:24,692 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-03 02:21:24,692 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-03 02:21:24,692 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-03 02:21:24,692 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-03 02:21:24,692 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-03 02:21:24,692 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,693 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,693 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,693 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,693 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,693 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,693 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-03 02:21:24,693 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-03 02:21:24,693 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-03 02:21:24,693 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-03 02:21:24,693 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-03 02:21:24,693 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-03 02:21:24,693 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-03 02:21:24,693 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-03 02:21:24,693 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-03 02:21:24,693 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-03 02:21:24,693 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-03 02:21:24,693 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-03 02:21:24,693 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-03 02:21:24,693 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-03 02:21:24,693 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-03 02:21:24,693 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,693 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,693 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,694 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,694 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,694 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-03 02:21:24,694 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-03 02:21:24,694 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-03 02:21:24,694 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-03 02:21:24,694 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-03 02:21:24,694 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-03 02:21:24,694 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-03 02:21:24,694 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-03 02:21:24,694 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-03 02:21:24,694 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,694 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,694 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,694 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,694 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,694 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-03 02:21:24,694 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-03 02:21:24,694 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-03 02:21:24,694 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-03 02:21:24,694 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-03 02:21:24,694 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-03 02:21:24,694 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2018-12-03 02:21:24,695 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-03 02:21:24,695 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-03 02:21:24,695 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-03 02:21:24,695 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-03 02:21:24,695 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-03 02:21:24,695 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-03 02:21:24,695 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-03 02:21:24,695 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,695 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,695 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,695 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,695 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,695 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-03 02:21:24,695 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-03 02:21:24,695 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-03 02:21:24,695 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-03 02:21:24,695 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-03 02:21:24,695 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-03 02:21:24,695 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-03 02:21:24,695 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-03 02:21:24,695 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-03 02:21:24,695 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,695 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,695 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,696 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,696 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,696 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,696 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-03 02:21:24,696 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,696 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-03 02:21:24,696 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-03 02:21:24,696 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-03 02:21:24,696 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-03 02:21:24,696 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-03 02:21:24,696 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-03 02:21:24,696 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-03 02:21:24,696 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-03 02:21:24,696 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-03 02:21:24,696 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-03 02:21:24,696 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-03 02:21:24,696 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-03 02:21:24,696 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-03 02:21:24,696 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,696 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,696 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,696 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,696 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,696 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-03 02:21:24,696 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-03 02:21:24,697 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-03 02:21:24,697 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-03 02:21:24,697 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-03 02:21:24,697 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-03 02:21:24,697 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-03 02:21:24,697 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-03 02:21:24,697 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,697 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,697 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,697 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,697 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,697 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-03 02:21:24,697 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-03 02:21:24,697 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-03 02:21:24,697 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-03 02:21:24,697 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-03 02:21:24,697 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-03 02:21:24,697 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-03 02:21:24,697 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-03 02:21:24,697 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-03 02:21:24,697 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-03 02:21:24,698 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse9 (= ~a7~0 |old(~a7~0)|)) (.cse10 (= |old(~a8~0)| ~a8~0)) (.cse6 (= |old(~a20~0)| ~a20~0)) (.cse11 (= ~a17~0 |old(~a17~0)|)) (.cse7 (= |old(~a16~0)| ~a16~0)) (.cse13 (= 1 |old(~a17~0)|)) (.cse2 (= 1 |old(~a21~0)|)) (.cse16 (= 6 |old(~a16~0)|)) (.cse0 (< 13 |old(~a8~0)|)) (.cse19 (= ~a21~0 1))) (let ((.cse8 (not .cse19)) (.cse14 (or .cse16 .cse0)) (.cse4 (not (= 1 |old(~a7~0)|))) (.cse1 (= 4 |old(~a16~0)|)) (.cse24 (= 0 |old(~a16~0)|)) (.cse3 (not (= |old(~a20~0)| 1))) (.cse5 (< 0 |old(~a17~0)|)) (.cse21 (= |calculate_output_#in~input| 0)) (.cse17 (not (= 0 |old(~a7~0)|))) (.cse18 (not .cse2)) (.cse23 (not (= 15 |old(~a8~0)|))) (.cse20 (not (= 8 ~a12~0))) (.cse26 (not .cse13)) (.cse12 (and .cse9 .cse10 .cse6 .cse11 .cse7)) (.cse25 (= 13 |old(~a8~0)|)) (.cse15 (< 0 |old(~a20~0)|)) (.cse22 (not (= 1 |old(~a20~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse11)) (or .cse12 .cse13 .cse14 .cse15) (or (and .cse8 .cse9 .cse10 .cse6 .cse11 .cse7) .cse2 .cse14 .cse15) (or .cse16 .cse17 .cse18 .cse19 .cse20 .cse5 .cse21 .cse22 .cse23 .cse24) (or (and (= 1 ~a7~0) .cse10 .cse6 .cse11 .cse7) .cse5 (or .cse16 .cse25 .cse4)) (or .cse16 (= |old(~a7~0)| 1) .cse0 (and .cse9 .cse10 .cse7)) (or .cse1 .cse22 .cse12 .cse25 .cse13) (or .cse21 .cse19 (or (not .cse16) .cse17 .cse18 .cse22 .cse23 (not (= 0 |old(~a17~0)|)) .cse20)) (or (and .cse9 (and .cse10 .cse7 (= ~a17~0 1) .cse19 (= ~a20~0 1))) (or .cse18 .cse22 .cse24 .cse20 .cse21 (= 0 |old(~a8~0)|) .cse26)) (or .cse16 .cse12 .cse3 .cse5) (or .cse21 (or .cse17 .cse18 .cse23 (not (= 0 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) .cse20 .cse26) .cse19) (or .cse12 .cse25 .cse15) (or (and .cse9 .cse10 (= 1 ~a20~0) .cse11 .cse7) (or .cse16 .cse0 .cse22))))) [2018-12-03 02:21:24,698 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-03 02:21:24,698 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,698 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,698 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,698 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,698 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-03 02:21:24,698 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,698 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,698 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-03 02:21:24,698 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-03 02:21:24,698 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-03 02:21:24,698 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-03 02:21:24,698 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-03 02:21:24,698 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-03 02:21:24,698 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-03 02:21:24,698 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-03 02:21:24,698 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-03 02:21:24,698 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-03 02:21:24,698 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-03 02:21:24,698 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-03 02:21:24,698 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,698 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,699 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,699 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,699 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,699 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-03 02:21:24,699 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,699 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-03 02:21:24,699 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-03 02:21:24,699 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-03 02:21:24,699 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-03 02:21:24,699 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-03 02:21:24,699 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-03 02:21:24,699 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-03 02:21:24,699 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-03 02:21:24,699 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-03 02:21:24,699 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-03 02:21:24,699 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-03 02:21:24,699 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-03 02:21:24,699 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-03 02:21:24,699 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-03 02:21:24,699 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,699 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,699 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,699 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,699 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,699 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:21:24,699 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-03 02:21:24,700 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-03 02:21:24,700 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-03 02:21:24,700 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-03 02:21:24,700 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-03 02:21:24,700 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-03 02:21:24,700 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-03 02:21:24,700 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-03 02:21:24,700 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-03 02:21:24,700 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-03 02:21:24,700 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 02:21:24,700 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-12-03 02:21:24,700 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 02:21:24,700 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 02:21:24,700 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (and (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-12-03 02:21:24,700 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-03 02:21:24,700 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse4 (= ~a17~0 1)) (.cse5 (= ~a21~0 1))) (let ((.cse8 (not .cse5)) (.cse6 (= 1 ~a7~0)) (.cse1 (<= ~a20~0 0)) (.cse7 (<= ~a17~0 0)) (.cse2 (<= ~a8~0 13)) (.cse3 (not (= ~a16~0 6))) (.cse9 (= 1 ~a20~0)) (.cse10 (not .cse4)) (.cse0 (not (= ~a8~0 13)))) (or (and .cse0 .cse1) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse2 (= ~a7~0 |old(~a7~0)|) .cse3) (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (and (not (= ~a16~0 0)) (not (= main_~input~0 0)) (not (= ~a8~0 0)) .cse4 .cse5 (= ~a20~0 1)) (and (and .cse6 .cse3 .cse0) .cse7) (and .cse8 .cse3 .cse1) (and .cse8 .cse6 .cse9 .cse7) (and .cse3 .cse10 .cse1) (and .cse9 .cse7 .cse0) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse2 .cse9 .cse3) (and .cse9 .cse10 .cse0 (not (= ~a16~0 4)))))) [2018-12-03 02:21:24,700 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-03 02:21:24,700 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-03 02:21:24,701 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse9 (= ~a17~0 1)) (.cse10 (= ~a21~0 1))) (let ((.cse6 (not .cse10)) (.cse4 (= 1 ~a7~0)) (.cse1 (<= ~a20~0 0)) (.cse5 (<= ~a17~0 0)) (.cse2 (<= ~a8~0 13)) (.cse3 (not (= ~a16~0 6))) (.cse7 (= 1 ~a20~0)) (.cse8 (not .cse9)) (.cse0 (not (= ~a8~0 13)))) (or (and .cse0 .cse1) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse2 (= ~a7~0 |old(~a7~0)|) .cse3) (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (and (and .cse4 .cse3 .cse0) .cse5) (and .cse6 .cse3 .cse1) (and .cse6 .cse4 .cse7 .cse5) (and .cse3 .cse8 .cse1) (and .cse7 .cse5 .cse0) (not (= 0 |old(~a7~0)|)) (and (not (= ~a16~0 0)) (not (= ~a8~0 0)) .cse9 .cse10 (= ~a20~0 1)) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse2 .cse7 .cse3) (and .cse7 .cse8 .cse0 (not (= ~a16~0 4)))))) [2018-12-03 02:21:24,701 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-03 02:21:24,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 02:21:24 BoogieIcfgContainer [2018-12-03 02:21:24,707 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 02:21:24,708 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 02:21:24,708 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 02:21:24,708 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 02:21:24,708 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:21:05" (3/4) ... [2018-12-03 02:21:24,710 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 02:21:24,714 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 02:21:24,714 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-03 02:21:24,714 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 02:21:24,721 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-03 02:21:24,721 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-03 02:21:24,738 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((!(a8 == 13) && a20 <= 0) || !(1 == \old(a20))) || !(5 == \old(a16))) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || !(1 == \old(a21))) || !(8 == a12)) || (((1 == a7 && !(a16 == 6)) && !(a8 == 13)) && a17 <= 0)) || ((!(a21 == 1) && !(a16 == 6)) && a20 <= 0)) || (((!(a21 == 1) && 1 == a7) && 1 == a20) && a17 <= 0)) || ((!(a16 == 6) && !(a17 == 1)) && a20 <= 0)) || ((1 == a20 && a17 <= 0) && !(a8 == 13))) || !(0 == \old(a7))) || ((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || !(1 == \old(a17))) || !(15 == \old(a8))) || ((a8 <= 13 && 1 == a20) && !(a16 == 6))) || (((1 == a20 && !(a17 == 1)) && !(a8 == 13)) && !(a16 == 4)) [2018-12-03 02:21:24,779 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_52cf6cc4-7c6d-4ca0-af0b-870f78cbf0e2/bin-2019/utaipan/witness.graphml [2018-12-03 02:21:24,779 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 02:21:24,780 INFO L168 Benchmark]: Toolchain (without parser) took 20093.74 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 948.1 MB in the beginning and 1.7 GB in the end (delta: -743.4 MB). Peak memory consumption was 385.4 MB. Max. memory is 11.5 GB. [2018-12-03 02:21:24,780 INFO L168 Benchmark]: CDTParser took 0.12 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 02:21:24,780 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -168.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. [2018-12-03 02:21:24,780 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.13 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-03 02:21:24,781 INFO L168 Benchmark]: Boogie Preprocessor took 42.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:21:24,781 INFO L168 Benchmark]: RCFGBuilder took 581.68 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: 111.0 MB). Peak memory consumption was 111.0 MB. Max. memory is 11.5 GB. [2018-12-03 02:21:24,781 INFO L168 Benchmark]: TraceAbstraction took 19049.51 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: -689.4 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-03 02:21:24,781 INFO L168 Benchmark]: Witness Printer took 71.54 ms. Allocated memory is still 2.2 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 115.4 kB). Peak memory consumption was 115.4 kB. Max. memory is 11.5 GB. [2018-12-03 02:21:24,782 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 323.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -168.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.13 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 581.68 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: 111.0 MB). Peak memory consumption was 111.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19049.51 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: -689.4 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 71.54 ms. Allocated memory is still 2.2 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 115.4 kB). Peak memory consumption was 115.4 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 458]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((!(a8 == 13) && a20 <= 0) || !(1 == \old(a20))) || !(5 == \old(a16))) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || !(1 == \old(a21))) || !(8 == a12)) || (((1 == a7 && !(a16 == 6)) && !(a8 == 13)) && a17 <= 0)) || ((!(a21 == 1) && !(a16 == 6)) && a20 <= 0)) || (((!(a21 == 1) && 1 == a7) && 1 == a20) && a17 <= 0)) || ((!(a16 == 6) && !(a17 == 1)) && a20 <= 0)) || ((1 == a20 && a17 <= 0) && !(a8 == 13))) || !(0 == \old(a7))) || ((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || !(1 == \old(a17))) || !(15 == \old(a8))) || ((a8 <= 13 && 1 == a20) && !(a16 == 6))) || (((1 == a20 && !(a17 == 1)) && !(a8 == 13)) && !(a16 == 4)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 18.9s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 12.5s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 672 SDtfs, 9182 SDslu, 798 SDs, 0 SdLazy, 11898 SolverSat, 2015 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.7s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 2250 GetRequests, 2080 SyntacticMatches, 7 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 925 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5316occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.2s AbstIntTime, 6 AbstIntIterations, 3 AbstIntStrong, 0.9967938662192112 AbsIntWeakeningRatio, 0.24375 AbsIntAvgWeakeningVarsNumRemoved, 29.045833333333334 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 1967 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 265 PreInvPairs, 513 NumberOfFragments, 839 HoareAnnotationTreeSize, 265 FomulaSimplifications, 31482 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 20903 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2501 NumberOfCodeBlocks, 2437 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3268 ConstructedInterpolants, 0 QuantifiedInterpolants, 1118957 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2172 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 19 InterpolantComputations, 6 PerfectInterpolantSequences, 2081/2387 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...