./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label10_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_06ea8fd6-a91e-4533-a694-c107ae13ca6d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_06ea8fd6-a91e-4533-a694-c107ae13ca6d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_06ea8fd6-a91e-4533-a694-c107ae13ca6d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_06ea8fd6-a91e-4533-a694-c107ae13ca6d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label10_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_06ea8fd6-a91e-4533-a694-c107ae13ca6d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_06ea8fd6-a91e-4533-a694-c107ae13ca6d/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 ebfe45d4aa38a1256db2ee760b5b480b689c30c4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:52:34,441 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:52:34,442 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:52:34,449 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:52:34,449 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:52:34,450 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:52:34,451 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:52:34,452 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:52:34,453 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:52:34,453 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:52:34,454 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:52:34,454 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:52:34,455 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:52:34,456 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:52:34,456 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:52:34,457 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:52:34,457 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:52:34,459 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:52:34,460 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:52:34,461 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:52:34,462 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:52:34,462 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:52:34,464 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:52:34,464 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:52:34,464 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:52:34,465 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:52:34,466 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:52:34,466 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:52:34,467 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:52:34,467 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:52:34,468 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:52:34,468 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:52:34,468 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:52:34,468 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:52:34,469 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:52:34,469 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:52:34,470 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_06ea8fd6-a91e-4533-a694-c107ae13ca6d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 07:52:34,480 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:52:34,480 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:52:34,481 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:52:34,481 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:52:34,481 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 07:52:34,481 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 07:52:34,481 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 07:52:34,481 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 07:52:34,481 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 07:52:34,481 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 07:52:34,482 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 07:52:34,482 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 07:52:34,482 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 07:52:34,482 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:52:34,482 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:52:34,483 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:52:34,483 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:52:34,483 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:52:34,483 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:52:34,483 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:52:34,483 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:52:34,483 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:52:34,484 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:52:34,484 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:52:34,484 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:52:34,484 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:52:34,484 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:52:34,484 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:52:34,484 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:52:34,485 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:52:34,485 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:52:34,485 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:52:34,485 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:52:34,485 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 07:52:34,485 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:52:34,485 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:52:34,485 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 07:52:34,486 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_06ea8fd6-a91e-4533-a694-c107ae13ca6d/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 -> ebfe45d4aa38a1256db2ee760b5b480b689c30c4 [2018-11-23 07:52:34,506 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:52:34,514 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:52:34,516 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:52:34,517 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:52:34,517 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:52:34,518 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_06ea8fd6-a91e-4533-a694-c107ae13ca6d/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label10_true-unreach-call_false-termination.c [2018-11-23 07:52:34,554 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_06ea8fd6-a91e-4533-a694-c107ae13ca6d/bin-2019/utaipan/data/f49428cb2/d3b88d730d574432882d22d855e70944/FLAGc7ca4b6c4 [2018-11-23 07:52:34,942 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:52:34,942 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_06ea8fd6-a91e-4533-a694-c107ae13ca6d/sv-benchmarks/c/eca-rers2012/Problem02_label10_true-unreach-call_false-termination.c [2018-11-23 07:52:34,951 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_06ea8fd6-a91e-4533-a694-c107ae13ca6d/bin-2019/utaipan/data/f49428cb2/d3b88d730d574432882d22d855e70944/FLAGc7ca4b6c4 [2018-11-23 07:52:35,315 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_06ea8fd6-a91e-4533-a694-c107ae13ca6d/bin-2019/utaipan/data/f49428cb2/d3b88d730d574432882d22d855e70944 [2018-11-23 07:52:35,317 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:52:35,318 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:52:35,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:52:35,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:52:35,322 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:52:35,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:52:35" (1/1) ... [2018-11-23 07:52:35,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a9f760f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:52:35, skipping insertion in model container [2018-11-23 07:52:35,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:52:35" (1/1) ... [2018-11-23 07:52:35,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:52:35,363 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:52:35,583 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:52:35,586 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:52:35,649 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:52:35,662 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:52:35,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:52:35 WrapperNode [2018-11-23 07:52:35,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:52:35,663 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:52:35,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:52:35,663 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:52:35,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:52:35" (1/1) ... [2018-11-23 07:52:35,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:52:35" (1/1) ... [2018-11-23 07:52:35,731 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:52:35,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:52:35,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:52:35,732 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:52:35,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:52:35" (1/1) ... [2018-11-23 07:52:35,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:52:35" (1/1) ... [2018-11-23 07:52:35,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:52:35" (1/1) ... [2018-11-23 07:52:35,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:52:35" (1/1) ... [2018-11-23 07:52:35,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:52:35" (1/1) ... [2018-11-23 07:52:35,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:52:35" (1/1) ... [2018-11-23 07:52:35,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:52:35" (1/1) ... [2018-11-23 07:52:35,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:52:35,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:52:35,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:52:35,782 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:52:35,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:52:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_06ea8fd6-a91e-4533-a694-c107ae13ca6d/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:52:35,820 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 07:52:35,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 07:52:35,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 07:52:35,820 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 07:52:35,820 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 07:52:35,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:52:35,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:52:35,821 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 07:52:35,821 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 07:52:36,577 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:52:36,578 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 07:52:36,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:52:36 BoogieIcfgContainer [2018-11-23 07:52:36,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:52:36,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:52:36,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:52:36,588 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:52:36,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:52:35" (1/3) ... [2018-11-23 07:52:36,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@390a382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:52:36, skipping insertion in model container [2018-11-23 07:52:36,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:52:35" (2/3) ... [2018-11-23 07:52:36,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@390a382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:52:36, skipping insertion in model container [2018-11-23 07:52:36,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:52:36" (3/3) ... [2018-11-23 07:52:36,591 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label10_true-unreach-call_false-termination.c [2018-11-23 07:52:36,600 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:52:36,606 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 07:52:36,619 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 07:52:36,646 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:52:36,646 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:52:36,646 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:52:36,646 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:52:36,646 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:52:36,646 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:52:36,646 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:52:36,646 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:52:36,664 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-23 07:52:36,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-23 07:52:36,674 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:52:36,675 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:52:36,676 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:52:36,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:52:36,681 INFO L82 PathProgramCache]: Analyzing trace with hash 898563457, now seen corresponding path program 1 times [2018-11-23 07:52:36,683 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:52:36,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:52:36,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:52:36,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:52:36,723 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:52:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:52:37,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:52:37,074 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:52:37,074 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 07:52:37,075 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:52:37,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 07:52:37,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 07:52:37,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 07:52:37,087 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2018-11-23 07:52:37,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:52:37,836 INFO L93 Difference]: Finished difference Result 770 states and 1353 transitions. [2018-11-23 07:52:37,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 07:52:37,839 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 141 [2018-11-23 07:52:37,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:52:37,852 INFO L225 Difference]: With dead ends: 770 [2018-11-23 07:52:37,852 INFO L226 Difference]: Without dead ends: 528 [2018-11-23 07:52:37,856 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 07:52:37,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2018-11-23 07:52:37,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 526. [2018-11-23 07:52:37,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2018-11-23 07:52:37,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 919 transitions. [2018-11-23 07:52:37,904 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 919 transitions. Word has length 141 [2018-11-23 07:52:37,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:52:37,905 INFO L480 AbstractCegarLoop]: Abstraction has 526 states and 919 transitions. [2018-11-23 07:52:37,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 07:52:37,905 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 919 transitions. [2018-11-23 07:52:37,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-23 07:52:37,911 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:52:37,911 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:52:37,911 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:52:37,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:52:37,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1506798472, now seen corresponding path program 1 times [2018-11-23 07:52:37,912 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:52:37,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:52:37,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:52:37,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:52:37,913 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:52:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:52:38,008 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:52:38,008 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:52:38,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 07:52:38,009 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:52:38,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 07:52:38,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 07:52:38,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:52:38,011 INFO L87 Difference]: Start difference. First operand 526 states and 919 transitions. Second operand 6 states. [2018-11-23 07:52:38,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:52:38,682 INFO L93 Difference]: Finished difference Result 1275 states and 2265 transitions. [2018-11-23 07:52:38,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 07:52:38,685 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2018-11-23 07:52:38,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:52:38,689 INFO L225 Difference]: With dead ends: 1275 [2018-11-23 07:52:38,689 INFO L226 Difference]: Without dead ends: 755 [2018-11-23 07:52:38,691 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 07:52:38,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2018-11-23 07:52:38,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 738. [2018-11-23 07:52:38,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 738 states. [2018-11-23 07:52:38,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 1195 transitions. [2018-11-23 07:52:38,720 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 1195 transitions. Word has length 162 [2018-11-23 07:52:38,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:52:38,720 INFO L480 AbstractCegarLoop]: Abstraction has 738 states and 1195 transitions. [2018-11-23 07:52:38,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 07:52:38,721 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 1195 transitions. [2018-11-23 07:52:38,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-23 07:52:38,723 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:52:38,724 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:52:38,724 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:52:38,724 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:52:38,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1395637775, now seen corresponding path program 1 times [2018-11-23 07:52:38,724 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:52:38,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:52:38,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:52:38,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:52:38,725 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:52:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:52:38,913 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:52:38,913 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:52:38,913 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 07:52:38,913 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:52:38,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 07:52:38,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 07:52:38,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 07:52:38,914 INFO L87 Difference]: Start difference. First operand 738 states and 1195 transitions. Second operand 5 states. [2018-11-23 07:52:39,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:52:39,400 INFO L93 Difference]: Finished difference Result 1616 states and 2656 transitions. [2018-11-23 07:52:39,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 07:52:39,405 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2018-11-23 07:52:39,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:52:39,409 INFO L225 Difference]: With dead ends: 1616 [2018-11-23 07:52:39,409 INFO L226 Difference]: Without dead ends: 737 [2018-11-23 07:52:39,411 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 07:52:39,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2018-11-23 07:52:39,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 737. [2018-11-23 07:52:39,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2018-11-23 07:52:39,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1177 transitions. [2018-11-23 07:52:39,429 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1177 transitions. Word has length 167 [2018-11-23 07:52:39,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:52:39,429 INFO L480 AbstractCegarLoop]: Abstraction has 737 states and 1177 transitions. [2018-11-23 07:52:39,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 07:52:39,429 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1177 transitions. [2018-11-23 07:52:39,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-23 07:52:39,432 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:52:39,433 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:52:39,433 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:52:39,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:52:39,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1724390544, now seen corresponding path program 1 times [2018-11-23 07:52:39,433 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:52:39,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:52:39,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:52:39,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:52:39,434 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:52:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:52:39,528 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:52:39,529 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:52:39,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 07:52:39,529 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:52:39,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 07:52:39,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 07:52:39,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:52:39,530 INFO L87 Difference]: Start difference. First operand 737 states and 1177 transitions. Second operand 6 states. [2018-11-23 07:52:40,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:52:40,220 INFO L93 Difference]: Finished difference Result 2314 states and 3883 transitions. [2018-11-23 07:52:40,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 07:52:40,220 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 195 [2018-11-23 07:52:40,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:52:40,225 INFO L225 Difference]: With dead ends: 2314 [2018-11-23 07:52:40,225 INFO L226 Difference]: Without dead ends: 1583 [2018-11-23 07:52:40,228 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 07:52:40,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2018-11-23 07:52:40,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 1544. [2018-11-23 07:52:40,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1544 states. [2018-11-23 07:52:40,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1544 states and 2372 transitions. [2018-11-23 07:52:40,256 INFO L78 Accepts]: Start accepts. Automaton has 1544 states and 2372 transitions. Word has length 195 [2018-11-23 07:52:40,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:52:40,257 INFO L480 AbstractCegarLoop]: Abstraction has 1544 states and 2372 transitions. [2018-11-23 07:52:40,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 07:52:40,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 2372 transitions. [2018-11-23 07:52:40,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-23 07:52:40,261 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:52:40,261 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:52:40,261 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:52:40,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:52:40,262 INFO L82 PathProgramCache]: Analyzing trace with hash 2135000910, now seen corresponding path program 1 times [2018-11-23 07:52:40,262 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:52:40,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:52:40,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:52:40,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:52:40,263 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:52:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:52:40,394 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:52:40,394 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:52:40,395 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:52:40,395 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 196 with the following transitions: [2018-11-23 07:52:40,397 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [207], [209], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [807], [809], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 07:52:40,429 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:52:40,429 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:52:40,755 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 07:52:40,756 INFO L272 AbstractInterpreter]: Visited 141 different actions 141 times. Never merged. Never widened. Performed 1529 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1529 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-23 07:52:40,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:52:40,769 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 07:52:41,010 INFO L227 lantSequenceWeakener]: Weakened 187 states. On average, predicates are now at 81.17% of their original sizes. [2018-11-23 07:52:41,010 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 07:52:41,041 INFO L415 sIntCurrentIteration]: We unified 194 AI predicates to 194 [2018-11-23 07:52:41,041 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 07:52:41,042 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:52:41,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2018-11-23 07:52:41,042 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:52:41,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 07:52:41,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 07:52:41,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:52:41,043 INFO L87 Difference]: Start difference. First operand 1544 states and 2372 transitions. Second operand 6 states. [2018-11-23 07:52:42,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:52:42,775 INFO L93 Difference]: Finished difference Result 3230 states and 4964 transitions. [2018-11-23 07:52:42,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 07:52:42,775 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 195 [2018-11-23 07:52:42,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:52:42,780 INFO L225 Difference]: With dead ends: 3230 [2018-11-23 07:52:42,780 INFO L226 Difference]: Without dead ends: 1692 [2018-11-23 07:52:42,782 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 195 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 07:52:42,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1692 states. [2018-11-23 07:52:42,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1692 to 1690. [2018-11-23 07:52:42,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1690 states. [2018-11-23 07:52:42,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1690 states and 2530 transitions. [2018-11-23 07:52:42,809 INFO L78 Accepts]: Start accepts. Automaton has 1690 states and 2530 transitions. Word has length 195 [2018-11-23 07:52:42,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:52:42,809 INFO L480 AbstractCegarLoop]: Abstraction has 1690 states and 2530 transitions. [2018-11-23 07:52:42,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 07:52:42,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 2530 transitions. [2018-11-23 07:52:42,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-23 07:52:42,813 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:52:42,813 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:52:42,814 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:52:42,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:52:42,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1465770173, now seen corresponding path program 1 times [2018-11-23 07:52:42,814 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:52:42,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:52:42,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:52:42,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:52:42,815 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:52:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:52:42,892 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:52:42,893 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:52:42,893 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:52:42,893 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 205 with the following transitions: [2018-11-23 07:52:42,893 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [207], [209], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [807], [809], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 07:52:42,897 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:52:42,897 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:52:43,096 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 07:52:43,096 INFO L272 AbstractInterpreter]: Visited 145 different actions 284 times. Merged at 4 different actions 4 times. Never widened. Performed 3056 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3056 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-23 07:52:43,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:52:43,105 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 07:52:43,340 INFO L227 lantSequenceWeakener]: Weakened 199 states. On average, predicates are now at 81.18% of their original sizes. [2018-11-23 07:52:43,340 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 07:52:43,393 INFO L415 sIntCurrentIteration]: We unified 203 AI predicates to 203 [2018-11-23 07:52:43,393 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 07:52:43,393 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:52:43,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 07:52:43,394 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:52:43,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 07:52:43,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 07:52:43,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:52:43,395 INFO L87 Difference]: Start difference. First operand 1690 states and 2530 transitions. Second operand 10 states. [2018-11-23 07:52:45,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:52:45,537 INFO L93 Difference]: Finished difference Result 3672 states and 5517 transitions. [2018-11-23 07:52:45,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 07:52:45,537 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2018-11-23 07:52:45,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:52:45,542 INFO L225 Difference]: With dead ends: 3672 [2018-11-23 07:52:45,542 INFO L226 Difference]: Without dead ends: 1988 [2018-11-23 07:52:45,544 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 213 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 07:52:45,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1988 states. [2018-11-23 07:52:45,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1988 to 1983. [2018-11-23 07:52:45,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1983 states. [2018-11-23 07:52:45,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1983 states to 1983 states and 2861 transitions. [2018-11-23 07:52:45,572 INFO L78 Accepts]: Start accepts. Automaton has 1983 states and 2861 transitions. Word has length 204 [2018-11-23 07:52:45,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:52:45,572 INFO L480 AbstractCegarLoop]: Abstraction has 1983 states and 2861 transitions. [2018-11-23 07:52:45,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 07:52:45,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1983 states and 2861 transitions. [2018-11-23 07:52:45,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-23 07:52:45,576 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:52:45,576 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:52:45,576 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:52:45,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:52:45,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1350620025, now seen corresponding path program 1 times [2018-11-23 07:52:45,577 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:52:45,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:52:45,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:52:45,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:52:45,577 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:52:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:52:45,654 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 70 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:52:45,654 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:52:45,654 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:52:45,655 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 209 with the following transitions: [2018-11-23 07:52:45,655 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [807], [809], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 07:52:45,658 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:52:45,658 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:52:45,776 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 07:52:45,776 INFO L272 AbstractInterpreter]: Visited 145 different actions 284 times. Merged at 4 different actions 4 times. Never widened. Performed 3141 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3141 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-23 07:52:45,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:52:45,785 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 07:52:45,927 INFO L227 lantSequenceWeakener]: Weakened 203 states. On average, predicates are now at 82.86% of their original sizes. [2018-11-23 07:52:45,927 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 07:52:45,976 INFO L415 sIntCurrentIteration]: We unified 207 AI predicates to 207 [2018-11-23 07:52:45,976 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 07:52:45,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:52:45,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 07:52:45,977 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:52:45,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 07:52:45,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 07:52:45,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:52:45,978 INFO L87 Difference]: Start difference. First operand 1983 states and 2861 transitions. Second operand 10 states. [2018-11-23 07:52:48,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:52:48,996 INFO L93 Difference]: Finished difference Result 4915 states and 7353 transitions. [2018-11-23 07:52:48,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-23 07:52:48,996 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 208 [2018-11-23 07:52:48,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:52:49,003 INFO L225 Difference]: With dead ends: 4915 [2018-11-23 07:52:49,003 INFO L226 Difference]: Without dead ends: 2938 [2018-11-23 07:52:49,007 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 217 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 07:52:49,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2938 states. [2018-11-23 07:52:49,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2938 to 2930. [2018-11-23 07:52:49,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2930 states. [2018-11-23 07:52:49,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2930 states to 2930 states and 4019 transitions. [2018-11-23 07:52:49,043 INFO L78 Accepts]: Start accepts. Automaton has 2930 states and 4019 transitions. Word has length 208 [2018-11-23 07:52:49,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:52:49,044 INFO L480 AbstractCegarLoop]: Abstraction has 2930 states and 4019 transitions. [2018-11-23 07:52:49,044 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 07:52:49,044 INFO L276 IsEmpty]: Start isEmpty. Operand 2930 states and 4019 transitions. [2018-11-23 07:52:49,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-23 07:52:49,049 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:52:49,049 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:52:49,049 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:52:49,049 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:52:49,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1352743699, now seen corresponding path program 1 times [2018-11-23 07:52:49,049 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:52:49,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:52:49,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:52:49,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:52:49,050 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:52:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:52:49,108 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 85 proven. 15 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 07:52:49,108 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:52:49,108 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:52:49,109 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 226 with the following transitions: [2018-11-23 07:52:49,109 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [807], [809], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 07:52:49,112 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:52:49,112 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:52:49,330 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 07:52:49,331 INFO L272 AbstractInterpreter]: Visited 147 different actions 584 times. Merged at 7 different actions 26 times. Never widened. Performed 6490 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6490 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-23 07:52:49,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:52:49,332 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 07:52:49,550 INFO L227 lantSequenceWeakener]: Weakened 220 states. On average, predicates are now at 84.83% of their original sizes. [2018-11-23 07:52:49,550 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 07:52:49,609 INFO L415 sIntCurrentIteration]: We unified 224 AI predicates to 224 [2018-11-23 07:52:49,609 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 07:52:49,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:52:49,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-23 07:52:49,610 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:52:49,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 07:52:49,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 07:52:49,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 07:52:49,612 INFO L87 Difference]: Start difference. First operand 2930 states and 4019 transitions. Second operand 9 states. [2018-11-23 07:52:51,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:52:51,704 INFO L93 Difference]: Finished difference Result 7258 states and 10267 transitions. [2018-11-23 07:52:51,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 07:52:51,704 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 225 [2018-11-23 07:52:51,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:52:51,712 INFO L225 Difference]: With dead ends: 7258 [2018-11-23 07:52:51,712 INFO L226 Difference]: Without dead ends: 4334 [2018-11-23 07:52:51,717 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 235 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2018-11-23 07:52:51,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4334 states. [2018-11-23 07:52:51,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4334 to 4299. [2018-11-23 07:52:51,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4299 states. [2018-11-23 07:52:51,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4299 states to 4299 states and 5687 transitions. [2018-11-23 07:52:51,770 INFO L78 Accepts]: Start accepts. Automaton has 4299 states and 5687 transitions. Word has length 225 [2018-11-23 07:52:51,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:52:51,771 INFO L480 AbstractCegarLoop]: Abstraction has 4299 states and 5687 transitions. [2018-11-23 07:52:51,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 07:52:51,771 INFO L276 IsEmpty]: Start isEmpty. Operand 4299 states and 5687 transitions. [2018-11-23 07:52:51,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-23 07:52:51,777 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:52:51,778 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:52:51,778 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:52:51,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:52:51,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1070920173, now seen corresponding path program 1 times [2018-11-23 07:52:51,778 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:52:51,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:52:51,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:52:51,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:52:51,779 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:52:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:52:51,910 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 100 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:52:51,911 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:52:51,911 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:52:51,911 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 231 with the following transitions: [2018-11-23 07:52:51,911 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [207], [209], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [807], [809], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 07:52:51,913 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:52:51,914 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:52:52,191 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 07:52:52,191 INFO L272 AbstractInterpreter]: Visited 149 different actions 438 times. Merged at 7 different actions 17 times. Never widened. Performed 5104 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5104 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 07:52:52,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:52:52,193 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 07:52:52,193 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:52:52,193 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_06ea8fd6-a91e-4533-a694-c107ae13ca6d/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 07:52:52,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:52:52,210 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 07:52:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:52:52,289 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:52:52,424 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 114 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:52:52,424 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:52:52,561 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 114 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:52:52,587 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 07:52:52,587 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-23 07:52:52,587 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 07:52:52,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 07:52:52,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 07:52:52,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2018-11-23 07:52:52,588 INFO L87 Difference]: Start difference. First operand 4299 states and 5687 transitions. Second operand 15 states. [2018-11-23 07:52:54,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:52:54,212 INFO L93 Difference]: Finished difference Result 10263 states and 13993 transitions. [2018-11-23 07:52:54,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 07:52:54,213 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 230 [2018-11-23 07:52:54,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:52:54,214 INFO L225 Difference]: With dead ends: 10263 [2018-11-23 07:52:54,214 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 07:52:54,233 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 467 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=235, Invalid=577, Unknown=0, NotChecked=0, Total=812 [2018-11-23 07:52:54,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 07:52:54,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 07:52:54,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 07:52:54,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 07:52:54,234 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 230 [2018-11-23 07:52:54,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:52:54,234 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:52:54,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 07:52:54,234 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 07:52:54,234 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 07:52:54,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 07:52:54,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:52:54,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:52:54,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:52:54,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:52:54,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:52:54,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:52:54,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:52:54,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:52:54,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:52:54,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:52:54,771 WARN L180 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 58 [2018-11-23 07:52:54,948 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:52:54,949 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a25~0)| ~a25~0)) [2018-11-23 07:52:54,949 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:52:54,949 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,949 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,949 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,949 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,949 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,949 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-23 07:52:54,949 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-23 07:52:54,949 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-23 07:52:54,949 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-23 07:52:54,949 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-23 07:52:54,949 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-23 07:52:54,949 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-23 07:52:54,949 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-23 07:52:54,950 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-23 07:52:54,950 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-23 07:52:54,950 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-23 07:52:54,950 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-23 07:52:54,950 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-23 07:52:54,950 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,950 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,950 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,950 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,950 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-23 07:52:54,950 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,950 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-23 07:52:54,950 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-23 07:52:54,950 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-23 07:52:54,950 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-23 07:52:54,950 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-23 07:52:54,950 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-23 07:52:54,950 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-23 07:52:54,951 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-23 07:52:54,951 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-23 07:52:54,951 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-23 07:52:54,951 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-23 07:52:54,951 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-23 07:52:54,951 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-23 07:52:54,951 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-23 07:52:54,951 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-23 07:52:54,951 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,951 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,951 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,951 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,951 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,951 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-23 07:52:54,951 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-23 07:52:54,951 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-23 07:52:54,952 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-23 07:52:54,952 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-23 07:52:54,952 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-23 07:52:54,952 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-23 07:52:54,952 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-23 07:52:54,952 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-23 07:52:54,952 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-23 07:52:54,952 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-23 07:52:54,952 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,952 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,952 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,952 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,952 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,952 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-23 07:52:54,952 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-23 07:52:54,952 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-23 07:52:54,952 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-23 07:52:54,952 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-23 07:52:54,952 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-23 07:52:54,952 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-23 07:52:54,952 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-23 07:52:54,952 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-23 07:52:54,953 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-23 07:52:54,953 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-23 07:52:54,953 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-23 07:52:54,953 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-23 07:52:54,953 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,956 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,956 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,956 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,956 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,956 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-23 07:52:54,956 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-23 07:52:54,956 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-23 07:52:54,957 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-23 07:52:54,957 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-23 07:52:54,957 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-23 07:52:54,957 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-23 07:52:54,957 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-23 07:52:54,957 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-23 07:52:54,957 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-23 07:52:54,957 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-23 07:52:54,957 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-23 07:52:54,957 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-23 07:52:54,957 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-23 07:52:54,957 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-23 07:52:54,957 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-23 07:52:54,957 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,957 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,957 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,957 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,957 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-23 07:52:54,957 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,957 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-23 07:52:54,958 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,958 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-23 07:52:54,958 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-23 07:52:54,958 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-23 07:52:54,958 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,958 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,958 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-23 07:52:54,958 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-23 07:52:54,958 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-23 07:52:54,958 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-23 07:52:54,958 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-23 07:52:54,958 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-23 07:52:54,958 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-23 07:52:54,958 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-23 07:52:54,958 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-23 07:52:54,958 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-23 07:52:54,958 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-23 07:52:54,958 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,958 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,958 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,958 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,958 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,958 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,959 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-23 07:52:54,959 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-23 07:52:54,959 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-23 07:52:54,959 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-23 07:52:54,959 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-23 07:52:54,959 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-23 07:52:54,959 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-23 07:52:54,959 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-23 07:52:54,959 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-23 07:52:54,959 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-23 07:52:54,959 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-23 07:52:54,959 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,959 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,959 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,959 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,959 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,959 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,959 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-23 07:52:54,959 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-23 07:52:54,959 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-23 07:52:54,959 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-23 07:52:54,959 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-23 07:52:54,959 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-23 07:52:54,959 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-23 07:52:54,960 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-23 07:52:54,960 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-23 07:52:54,960 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-23 07:52:54,960 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-23 07:52:54,960 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-23 07:52:54,960 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-23 07:52:54,960 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-23 07:52:54,960 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,960 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,960 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,960 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse3 (= |old(~a28~0)| ~a28~0)) (.cse4 (= 7 ~a17~0)) (.cse11 (= |old(~a25~0)| ~a25~0))) (let ((.cse1 (= 1 |old(~a25~0)|)) (.cse2 (not (= 1 |old(~a19~0)|))) (.cse8 (= 0 |old(~a28~0)|)) (.cse9 (not (= 8 |old(~a17~0)|))) (.cse10 (= |calculate_output_#in~input| 0)) (.cse0 (not (= 1 ~a21~0))) (.cse7 (= |old(~a17~0)| |old(~a28~0)|)) (.cse6 (and .cse3 .cse4 .cse11)) (.cse5 (not (= 7 |old(~a17~0)|)))) (and (or .cse0 (not (= 7 |old(~a28~0)|)) (not .cse1) .cse2 (not (= 1 |old(~a11~0)|)) (and .cse3 (= 1 ~a11~0) .cse4 (= 1 ~a25~0) (= 1 ~a19~0)) .cse5) (or .cse0 .cse6 .cse7 .cse1 .cse5) (or .cse0 .cse2 .cse8 (= ~a11~0 0) (not (= 0 |old(~a11~0)|)) .cse9 .cse10) (or .cse0 (and .cse3 (= ~a17~0 |old(~a17~0)|) .cse11) (not (= |old(~a17~0)| 8))) (or .cse0 (= ~a19~0 1) .cse2 .cse8 .cse9 .cse10) (or .cse0 (= 10 |old(~a28~0)|) .cse7 .cse6 .cse5)))) [2018-11-23 07:52:54,960 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,960 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,960 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,960 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-23 07:52:54,960 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-23 07:52:54,960 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-23 07:52:54,960 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-23 07:52:54,960 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-23 07:52:54,960 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-23 07:52:54,960 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-23 07:52:54,961 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-23 07:52:54,961 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-23 07:52:54,961 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-23 07:52:54,961 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-23 07:52:54,961 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-23 07:52:54,961 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-23 07:52:54,961 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,961 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,961 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,961 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,961 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,961 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,961 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-23 07:52:54,961 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 577) no Hoare annotation was computed. [2018-11-23 07:52:54,961 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-23 07:52:54,961 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-23 07:52:54,961 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-23 07:52:54,961 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-23 07:52:54,961 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-23 07:52:54,961 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-23 07:52:54,961 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-23 07:52:54,961 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-23 07:52:54,962 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-23 07:52:54,962 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-23 07:52:54,962 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-23 07:52:54,962 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-23 07:52:54,962 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-23 07:52:54,962 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-23 07:52:54,962 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-23 07:52:54,962 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,962 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,962 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,962 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,962 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:52:54,962 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-23 07:52:54,962 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-23 07:52:54,962 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-23 07:52:54,962 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-23 07:52:54,962 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-23 07:52:54,963 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-23 07:52:54,963 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-23 07:52:54,963 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-23 07:52:54,963 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-23 07:52:54,963 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-23 07:52:54,963 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-23 07:52:54,963 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-23 07:52:54,963 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-23 07:52:54,963 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-23 07:52:54,963 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-23 07:52:54,963 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-23 07:52:54,963 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-23 07:52:54,963 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-23 07:52:54,963 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-23 07:52:54,963 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:52:54,963 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-23 07:52:54,963 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 07:52:54,963 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:52:54,963 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= |old(~a25~0)| ~a25~0) (= ~a19~0 1) (= ~a28~0 7)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-23 07:52:54,964 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (not (= ~a28~0 ~a17~0))) (.cse1 (= 7 ~a17~0)) (.cse2 (not (= ~a28~0 10)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (not (= ~a25~0 1)) .cse1) (= |old(~a17~0)| ~a17~0) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse1 .cse2) (and (= 1 ~a11~0) .cse1 (= 1 ~a25~0) (= 1 ~a19~0) .cse2) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-11-23 07:52:54,964 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-23 07:52:54,964 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-23 07:52:54,964 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (= ~a28~0 ~a17~0))) (.cse1 (= 7 ~a17~0)) (.cse2 (not (= ~a28~0 10)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (not (= ~a25~0 1)) .cse1) (= |old(~a17~0)| ~a17~0) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse1 .cse2) (and (= 1 ~a11~0) .cse1 (= 1 ~a25~0) (= 1 ~a19~0) .cse2) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-11-23 07:52:54,964 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-23 07:52:54,964 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-23 07:52:54,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 07:52:54 BoogieIcfgContainer [2018-11-23 07:52:54,972 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 07:52:54,972 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:52:54,972 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:52:54,973 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:52:54,973 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:52:36" (3/4) ... [2018-11-23 07:52:54,976 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 07:52:54,981 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 07:52:54,981 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 07:52:54,981 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 07:52:54,990 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 07:52:54,991 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 07:52:55,015 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == a21) || !(7 == \old(a28))) || ((!(a28 == a17) && !(a25 == 1)) && 7 == a17)) || \old(a17) == a17) || !(0 == \old(a11))) || ((!(a28 == a17) && 7 == a17) && !(a28 == 10))) || ((((1 == a11 && 7 == a17) && 1 == a25) && 1 == a19) && !(a28 == 10))) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) [2018-11-23 07:52:55,083 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_06ea8fd6-a91e-4533-a694-c107ae13ca6d/bin-2019/utaipan/witness.graphml [2018-11-23 07:52:55,083 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:52:55,084 INFO L168 Benchmark]: Toolchain (without parser) took 19766.41 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.2 GB). Free memory was 956.6 MB in the beginning and 1.0 GB in the end (delta: -92.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-23 07:52:55,084 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:52:55,084 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.99 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 921.7 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-23 07:52:55,085 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -214.4 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-23 07:52:55,085 INFO L168 Benchmark]: Boogie Preprocessor took 50.34 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. [2018-11-23 07:52:55,085 INFO L168 Benchmark]: RCFGBuilder took 796.30 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: 109.1 MB). Peak memory consumption was 109.1 MB. Max. memory is 11.5 GB. [2018-11-23 07:52:55,085 INFO L168 Benchmark]: TraceAbstraction took 18393.16 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -21.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-11-23 07:52:55,086 INFO L168 Benchmark]: Witness Printer took 110.61 ms. Allocated memory is still 2.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:52:55,087 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 343.99 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 921.7 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -214.4 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.34 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 796.30 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: 109.1 MB). Peak memory consumption was 109.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18393.16 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -21.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. * Witness Printer took 110.61 ms. Allocated memory is still 2.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 577]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((!(1 == a21) || !(7 == \old(a28))) || ((!(a28 == a17) && !(a25 == 1)) && 7 == a17)) || \old(a17) == a17) || !(0 == \old(a11))) || ((!(a28 == a17) && 7 == a17) && !(a28 == 10))) || ((((1 == a11 && 7 == a17) && 1 == a25) && 1 == a19) && !(a28 == 10))) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 18.3s OverallTime, 9 OverallIterations, 5 TraceHistogramMax, 13.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 1436 SDtfs, 7645 SDslu, 1876 SDs, 0 SdLazy, 9500 SolverSat, 2348 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1391 GetRequests, 1279 SyntacticMatches, 7 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4299occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.2s AbstIntTime, 5 AbstIntIterations, 4 AbstIntStrong, 0.9977764274014493 AbsIntWeakeningRatio, 0.17632850241545894 AbsIntAvgWeakeningVarsNumRemoved, 26.778985507246375 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 108 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 120 PreInvPairs, 188 NumberOfFragments, 368 HoareAnnotationTreeSize, 120 FomulaSimplifications, 5989 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2951 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1957 NumberOfCodeBlocks, 1957 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2176 ConstructedInterpolants, 0 QuantifiedInterpolants, 1358813 SizeOfPredicates, 1 NumberOfNonLiveVariables, 529 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 681/776 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...