./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_50c6c301-5a5b-43e4-bf81-03993cd984f8/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_50c6c301-5a5b-43e4-bf81-03993cd984f8/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_50c6c301-5a5b-43e4-bf81-03993cd984f8/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_50c6c301-5a5b-43e4-bf81-03993cd984f8/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_50c6c301-5a5b-43e4-bf81-03993cd984f8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_50c6c301-5a5b-43e4-bf81-03993cd984f8/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 0.1.23-5842f4b [2018-11-18 11:04:29,249 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:04:29,250 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:04:29,255 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:04:29,255 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:04:29,256 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:04:29,257 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:04:29,257 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:04:29,258 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:04:29,259 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:04:29,259 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:04:29,260 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:04:29,260 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:04:29,261 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:04:29,262 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:04:29,262 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:04:29,263 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:04:29,264 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:04:29,265 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:04:29,266 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:04:29,267 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:04:29,268 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:04:29,269 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:04:29,269 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:04:29,269 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:04:29,270 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:04:29,271 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:04:29,271 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:04:29,272 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:04:29,273 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:04:29,273 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:04:29,273 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:04:29,273 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:04:29,273 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:04:29,274 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:04:29,274 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:04:29,274 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_50c6c301-5a5b-43e4-bf81-03993cd984f8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:04:29,284 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:04:29,284 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:04:29,285 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:04:29,285 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:04:29,285 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:04:29,285 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:04:29,286 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:04:29,286 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:04:29,286 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:04:29,286 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:04:29,286 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:04:29,286 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:04:29,286 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:04:29,287 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:04:29,287 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:04:29,287 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:04:29,287 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:04:29,287 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:04:29,287 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:04:29,287 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:04:29,287 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:04:29,288 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:04:29,288 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:04:29,288 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:04:29,288 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:04:29,288 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:04:29,288 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:04:29,288 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:04:29,288 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:04:29,288 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:04:29,289 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:04:29,289 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:04:29,289 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:04:29,289 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:04:29,289 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:04:29,289 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:04:29,289 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:04:29,289 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_50c6c301-5a5b-43e4-bf81-03993cd984f8/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 [2018-11-18 11:04:29,309 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:04:29,317 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:04:29,319 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:04:29,320 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:04:29,320 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:04:29,321 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_50c6c301-5a5b-43e4-bf81-03993cd984f8/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label10_true-unreach-call_false-termination.c [2018-11-18 11:04:29,358 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_50c6c301-5a5b-43e4-bf81-03993cd984f8/bin-2019/utaipan/data/20a720f45/fe06a23c6f314df3beebd20307c40f82/FLAG4a9a94c51 [2018-11-18 11:04:29,811 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:04:29,812 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_50c6c301-5a5b-43e4-bf81-03993cd984f8/sv-benchmarks/c/eca-rers2012/Problem02_label10_true-unreach-call_false-termination.c [2018-11-18 11:04:29,820 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_50c6c301-5a5b-43e4-bf81-03993cd984f8/bin-2019/utaipan/data/20a720f45/fe06a23c6f314df3beebd20307c40f82/FLAG4a9a94c51 [2018-11-18 11:04:29,831 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_50c6c301-5a5b-43e4-bf81-03993cd984f8/bin-2019/utaipan/data/20a720f45/fe06a23c6f314df3beebd20307c40f82 [2018-11-18 11:04:29,834 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:04:29,835 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:04:29,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:04:29,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:04:29,839 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:04:29,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:04:29" (1/1) ... [2018-11-18 11:04:29,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be9d35c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:29, skipping insertion in model container [2018-11-18 11:04:29,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:04:29" (1/1) ... [2018-11-18 11:04:29,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:04:29,883 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:04:30,094 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:04:30,096 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:04:30,162 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:04:30,174 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:04:30,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:30 WrapperNode [2018-11-18 11:04:30,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:04:30,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:04:30,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:04:30,176 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:04:30,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:30" (1/1) ... [2018-11-18 11:04:30,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:30" (1/1) ... [2018-11-18 11:04:30,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:04:30,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:04:30,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:04:30,248 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:04:30,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:30" (1/1) ... [2018-11-18 11:04:30,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:30" (1/1) ... [2018-11-18 11:04:30,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:30" (1/1) ... [2018-11-18 11:04:30,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:30" (1/1) ... [2018-11-18 11:04:30,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:30" (1/1) ... [2018-11-18 11:04:30,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:30" (1/1) ... [2018-11-18 11:04:30,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:30" (1/1) ... [2018-11-18 11:04:30,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:04:30,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:04:30,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:04:30,298 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:04:30,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_50c6c301-5a5b-43e4-bf81-03993cd984f8/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 [2018-11-18 11:04:30,346 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 11:04:30,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:04:30,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:04:30,346 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 11:04:30,346 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 11:04:30,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:04:30,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:04:30,347 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:04:30,347 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:04:31,049 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:04:31,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:04:31 BoogieIcfgContainer [2018-11-18 11:04:31,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:04:31,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:04:31,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:04:31,053 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:04:31,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:04:29" (1/3) ... [2018-11-18 11:04:31,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699a37b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:04:31, skipping insertion in model container [2018-11-18 11:04:31,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:30" (2/3) ... [2018-11-18 11:04:31,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699a37b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:04:31, skipping insertion in model container [2018-11-18 11:04:31,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:04:31" (3/3) ... [2018-11-18 11:04:31,056 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label10_true-unreach-call_false-termination.c [2018-11-18 11:04:31,062 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:04:31,068 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:04:31,077 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:04:31,097 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:04:31,098 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:04:31,098 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:04:31,098 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:04:31,098 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:04:31,098 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:04:31,098 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:04:31,098 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:04:31,114 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-18 11:04:31,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 11:04:31,123 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:04:31,124 INFO L375 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, 1] [2018-11-18 11:04:31,126 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:04:31,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:31,130 INFO L82 PathProgramCache]: Analyzing trace with hash -773755248, now seen corresponding path program 1 times [2018-11-18 11:04:31,131 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:04:31,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:31,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:04:31,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:31,160 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:04:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:04:31,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:04:31,473 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:04:31,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:04:31,474 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:04:31,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 11:04:31,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 11:04:31,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:04:31,487 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 4 states. [2018-11-18 11:04:32,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:04:32,274 INFO L93 Difference]: Finished difference Result 774 states and 1357 transitions. [2018-11-18 11:04:32,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:04:32,275 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2018-11-18 11:04:32,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:04:32,285 INFO L225 Difference]: With dead ends: 774 [2018-11-18 11:04:32,285 INFO L226 Difference]: Without dead ends: 531 [2018-11-18 11:04:32,288 INFO L604 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 [2018-11-18 11:04:32,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2018-11-18 11:04:32,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 529. [2018-11-18 11:04:32,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2018-11-18 11:04:32,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 922 transitions. [2018-11-18 11:04:32,343 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 922 transitions. Word has length 142 [2018-11-18 11:04:32,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:04:32,343 INFO L480 AbstractCegarLoop]: Abstraction has 529 states and 922 transitions. [2018-11-18 11:04:32,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 11:04:32,344 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 922 transitions. [2018-11-18 11:04:32,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 11:04:32,349 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:04:32,350 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:04:32,350 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:04:32,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:32,351 INFO L82 PathProgramCache]: Analyzing trace with hash -309014567, now seen corresponding path program 1 times [2018-11-18 11:04:32,351 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:04:32,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:32,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:04:32,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:32,352 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:04:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:04:32,463 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:04:32,464 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:04:32,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:04:32,464 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:04:32,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:04:32,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:04:32,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:04:32,466 INFO L87 Difference]: Start difference. First operand 529 states and 922 transitions. Second operand 6 states. [2018-11-18 11:04:33,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:04:33,061 INFO L93 Difference]: Finished difference Result 1284 states and 2274 transitions. [2018-11-18 11:04:33,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:04:33,062 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-11-18 11:04:33,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:04:33,071 INFO L225 Difference]: With dead ends: 1284 [2018-11-18 11:04:33,071 INFO L226 Difference]: Without dead ends: 761 [2018-11-18 11:04:33,075 INFO L604 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 [2018-11-18 11:04:33,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2018-11-18 11:04:33,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 742. [2018-11-18 11:04:33,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-11-18 11:04:33,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1199 transitions. [2018-11-18 11:04:33,103 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1199 transitions. Word has length 164 [2018-11-18 11:04:33,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:04:33,103 INFO L480 AbstractCegarLoop]: Abstraction has 742 states and 1199 transitions. [2018-11-18 11:04:33,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:04:33,103 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1199 transitions. [2018-11-18 11:04:33,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 11:04:33,106 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:04:33,107 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:04:33,107 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:04:33,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:33,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1423050670, now seen corresponding path program 1 times [2018-11-18 11:04:33,107 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:04:33,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:33,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:04:33,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:33,108 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:04:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:04:33,286 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:04:33,287 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:04:33,287 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:04:33,287 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:04:33,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:04:33,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:04:33,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:04:33,288 INFO L87 Difference]: Start difference. First operand 742 states and 1199 transitions. Second operand 5 states. [2018-11-18 11:04:33,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:04:33,737 INFO L93 Difference]: Finished difference Result 1625 states and 2665 transitions. [2018-11-18 11:04:33,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:04:33,737 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 169 [2018-11-18 11:04:33,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:04:33,740 INFO L225 Difference]: With dead ends: 1625 [2018-11-18 11:04:33,740 INFO L226 Difference]: Without dead ends: 741 [2018-11-18 11:04:33,753 INFO L604 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 [2018-11-18 11:04:33,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-18 11:04:33,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 741. [2018-11-18 11:04:33,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2018-11-18 11:04:33,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 1181 transitions. [2018-11-18 11:04:33,767 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 1181 transitions. Word has length 169 [2018-11-18 11:04:33,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:04:33,768 INFO L480 AbstractCegarLoop]: Abstraction has 741 states and 1181 transitions. [2018-11-18 11:04:33,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:04:33,768 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1181 transitions. [2018-11-18 11:04:33,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 11:04:33,770 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:04:33,770 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:04:33,771 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:04:33,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:33,771 INFO L82 PathProgramCache]: Analyzing trace with hash 192175635, now seen corresponding path program 1 times [2018-11-18 11:04:33,771 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:04:33,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:33,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:04:33,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:33,772 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:04:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:04:33,862 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:04:33,863 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:04:33,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:04:33,863 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:04:33,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:04:33,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:04:33,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:04:33,864 INFO L87 Difference]: Start difference. First operand 741 states and 1181 transitions. Second operand 6 states. [2018-11-18 11:04:34,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:04:34,557 INFO L93 Difference]: Finished difference Result 2329 states and 3898 transitions. [2018-11-18 11:04:34,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:04:34,558 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 197 [2018-11-18 11:04:34,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:04:34,565 INFO L225 Difference]: With dead ends: 2329 [2018-11-18 11:04:34,565 INFO L226 Difference]: Without dead ends: 1594 [2018-11-18 11:04:34,569 INFO L604 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 [2018-11-18 11:04:34,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1594 states. [2018-11-18 11:04:34,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1594 to 1552. [2018-11-18 11:04:34,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1552 states. [2018-11-18 11:04:34,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1552 states and 2380 transitions. [2018-11-18 11:04:34,607 INFO L78 Accepts]: Start accepts. Automaton has 1552 states and 2380 transitions. Word has length 197 [2018-11-18 11:04:34,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:04:34,608 INFO L480 AbstractCegarLoop]: Abstraction has 1552 states and 2380 transitions. [2018-11-18 11:04:34,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:04:34,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 2380 transitions. [2018-11-18 11:04:34,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 11:04:34,613 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:04:34,613 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:04:34,613 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:04:34,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:34,613 INFO L82 PathProgramCache]: Analyzing trace with hash 36195093, now seen corresponding path program 1 times [2018-11-18 11:04:34,614 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:04:34,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:34,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:04:34,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:34,614 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:04:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:04:34,755 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 11:04:34,756 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:04:34,756 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:04:34,756 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 198 with the following transitions: [2018-11-18 11:04:34,758 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], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 11:04:34,790 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:04:34,790 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:04:35,109 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:04:35,110 INFO L272 AbstractInterpreter]: Visited 142 different actions 142 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. [2018-11-18 11:04:35,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:35,123 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:04:35,386 INFO L227 lantSequenceWeakener]: Weakened 189 states. On average, predicates are now at 81.19% of their original sizes. [2018-11-18 11:04:35,386 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:04:35,415 INFO L415 sIntCurrentIteration]: We unified 196 AI predicates to 196 [2018-11-18 11:04:35,415 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:04:35,416 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:04:35,416 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2018-11-18 11:04:35,416 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:04:35,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:04:35,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:04:35,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:04:35,417 INFO L87 Difference]: Start difference. First operand 1552 states and 2380 transitions. Second operand 6 states. [2018-11-18 11:04:36,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:04:36,924 INFO L93 Difference]: Finished difference Result 3248 states and 4982 transitions. [2018-11-18 11:04:36,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:04:36,925 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 197 [2018-11-18 11:04:36,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:04:36,929 INFO L225 Difference]: With dead ends: 3248 [2018-11-18 11:04:36,929 INFO L226 Difference]: Without dead ends: 1702 [2018-11-18 11:04:36,932 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 197 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:04:36,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1702 states. [2018-11-18 11:04:36,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1702 to 1699. [2018-11-18 11:04:36,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1699 states. [2018-11-18 11:04:36,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 2539 transitions. [2018-11-18 11:04:36,956 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 2539 transitions. Word has length 197 [2018-11-18 11:04:36,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:04:36,956 INFO L480 AbstractCegarLoop]: Abstraction has 1699 states and 2539 transitions. [2018-11-18 11:04:36,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:04:36,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 2539 transitions. [2018-11-18 11:04:36,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-18 11:04:36,960 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:04:36,960 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:04:36,961 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:04:36,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:36,961 INFO L82 PathProgramCache]: Analyzing trace with hash 981314004, now seen corresponding path program 1 times [2018-11-18 11:04:36,961 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:04:36,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:36,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:04:36,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:36,962 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:04:36,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:04:37,084 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:04:37,084 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:04:37,084 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:04:37,084 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 208 with the following transitions: [2018-11-18 11:04:37,085 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], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 11:04:37,089 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:04:37,089 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:04:37,402 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:04:37,402 INFO L272 AbstractInterpreter]: Visited 146 different actions 286 times. Merged at 5 different actions 5 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. [2018-11-18 11:04:37,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:37,419 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:04:37,728 INFO L227 lantSequenceWeakener]: Weakened 202 states. On average, predicates are now at 81.21% of their original sizes. [2018-11-18 11:04:37,728 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:04:37,801 INFO L415 sIntCurrentIteration]: We unified 206 AI predicates to 206 [2018-11-18 11:04:37,802 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:04:37,802 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:04:37,802 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 11:04:37,802 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:04:37,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:04:37,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:04:37,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:04:37,804 INFO L87 Difference]: Start difference. First operand 1699 states and 2539 transitions. Second operand 10 states. [2018-11-18 11:04:41,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:04:41,544 INFO L93 Difference]: Finished difference Result 3693 states and 5538 transitions. [2018-11-18 11:04:41,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 11:04:41,544 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 207 [2018-11-18 11:04:41,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:04:41,552 INFO L225 Difference]: With dead ends: 3693 [2018-11-18 11:04:41,552 INFO L226 Difference]: Without dead ends: 2000 [2018-11-18 11:04:41,556 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 216 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 11:04:41,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2000 states. [2018-11-18 11:04:41,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2000 to 1994. [2018-11-18 11:04:41,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1994 states. [2018-11-18 11:04:41,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 2872 transitions. [2018-11-18 11:04:41,596 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 2872 transitions. Word has length 207 [2018-11-18 11:04:41,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:04:41,597 INFO L480 AbstractCegarLoop]: Abstraction has 1994 states and 2872 transitions. [2018-11-18 11:04:41,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 11:04:41,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2872 transitions. [2018-11-18 11:04:41,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-18 11:04:41,603 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:04:41,603 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:04:41,603 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:04:41,603 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:41,603 INFO L82 PathProgramCache]: Analyzing trace with hash 2105417946, now seen corresponding path program 1 times [2018-11-18 11:04:41,603 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:04:41,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:41,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:04:41,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:41,604 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:04:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:04:41,699 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 73 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:04:41,700 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:04:41,700 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:04:41,700 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 212 with the following transitions: [2018-11-18 11:04:41,700 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], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 11:04:41,705 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:04:41,705 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:04:41,864 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:04:41,864 INFO L272 AbstractInterpreter]: Visited 146 different actions 286 times. Merged at 5 different actions 5 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. [2018-11-18 11:04:41,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:41,866 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:04:42,087 INFO L227 lantSequenceWeakener]: Weakened 206 states. On average, predicates are now at 82.87% of their original sizes. [2018-11-18 11:04:42,087 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:04:42,132 INFO L415 sIntCurrentIteration]: We unified 210 AI predicates to 210 [2018-11-18 11:04:42,132 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:04:42,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:04:42,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 11:04:42,133 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:04:42,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:04:42,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:04:42,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:04:42,133 INFO L87 Difference]: Start difference. First operand 1994 states and 2872 transitions. Second operand 10 states. [2018-11-18 11:04:44,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:04:44,834 INFO L93 Difference]: Finished difference Result 4945 states and 7383 transitions. [2018-11-18 11:04:44,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 11:04:44,834 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 211 [2018-11-18 11:04:44,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:04:44,842 INFO L225 Difference]: With dead ends: 4945 [2018-11-18 11:04:44,843 INFO L226 Difference]: Without dead ends: 2957 [2018-11-18 11:04:44,848 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 220 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 11:04:44,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2957 states. [2018-11-18 11:04:44,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2957 to 2947. [2018-11-18 11:04:44,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2947 states. [2018-11-18 11:04:44,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 4036 transitions. [2018-11-18 11:04:44,904 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 4036 transitions. Word has length 211 [2018-11-18 11:04:44,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:04:44,905 INFO L480 AbstractCegarLoop]: Abstraction has 2947 states and 4036 transitions. [2018-11-18 11:04:44,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 11:04:44,905 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 4036 transitions. [2018-11-18 11:04:44,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 11:04:44,912 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:04:44,913 INFO L375 BasicCegarLoop]: trace histogram [5, 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] [2018-11-18 11:04:44,913 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:04:44,913 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:44,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1563344608, now seen corresponding path program 1 times [2018-11-18 11:04:44,913 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:04:44,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:44,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:04:44,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:44,914 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:04:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:04:45,005 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 92 proven. 15 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 11:04:45,005 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:04:45,005 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:04:45,006 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 231 with the following transitions: [2018-11-18 11:04:45,006 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], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 11:04:45,008 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:04:45,008 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:04:45,342 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:04:45,342 INFO L272 AbstractInterpreter]: Visited 148 different actions 594 times. Merged at 8 different actions 35 times. Never widened. Performed 6544 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6544 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 11:04:45,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:45,344 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:04:45,510 INFO L227 lantSequenceWeakener]: Weakened 225 states. On average, predicates are now at 84.92% of their original sizes. [2018-11-18 11:04:45,510 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:04:45,532 INFO L415 sIntCurrentIteration]: We unified 229 AI predicates to 229 [2018-11-18 11:04:45,532 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:04:45,532 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:04:45,532 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-18 11:04:45,532 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:04:45,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 11:04:45,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 11:04:45,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:04:45,533 INFO L87 Difference]: Start difference. First operand 2947 states and 4036 transitions. Second operand 9 states. [2018-11-18 11:04:48,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:04:48,179 INFO L93 Difference]: Finished difference Result 7339 states and 10384 transitions. [2018-11-18 11:04:48,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 11:04:48,179 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 230 [2018-11-18 11:04:48,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:04:48,190 INFO L225 Difference]: With dead ends: 7339 [2018-11-18 11:04:48,190 INFO L226 Difference]: Without dead ends: 4398 [2018-11-18 11:04:48,196 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 239 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2018-11-18 11:04:48,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4398 states. [2018-11-18 11:04:48,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4398 to 4328. [2018-11-18 11:04:48,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4328 states. [2018-11-18 11:04:48,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4328 states to 4328 states and 5725 transitions. [2018-11-18 11:04:48,276 INFO L78 Accepts]: Start accepts. Automaton has 4328 states and 5725 transitions. Word has length 230 [2018-11-18 11:04:48,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:04:48,277 INFO L480 AbstractCegarLoop]: Abstraction has 4328 states and 5725 transitions. [2018-11-18 11:04:48,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 11:04:48,277 INFO L276 IsEmpty]: Start isEmpty. Operand 4328 states and 5725 transitions. [2018-11-18 11:04:48,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-18 11:04:48,288 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:04:48,288 INFO L375 BasicCegarLoop]: trace histogram [4, 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] [2018-11-18 11:04:48,288 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:04:48,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:48,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1882991460, now seen corresponding path program 1 times [2018-11-18 11:04:48,289 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:04:48,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:48,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:04:48,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:48,289 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:04:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:04:48,452 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 104 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:04:48,452 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:04:48,452 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:04:48,452 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 235 with the following transitions: [2018-11-18 11:04:48,452 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], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 11:04:48,454 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:04:48,454 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:04:48,637 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:04:48,637 INFO L272 AbstractInterpreter]: Visited 150 different actions 439 times. Merged at 8 different actions 17 times. Never widened. Performed 5072 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5072 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 11:04:48,642 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:48,643 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:04:48,643 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:04:48,643 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_50c6c301-5a5b-43e4-bf81-03993cd984f8/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 [2018-11-18 11:04:48,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:04:48,650 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:04:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:04:48,711 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:04:48,797 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 11:04:48,797 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:04:48,931 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 11:04:48,956 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:04:48,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-18 11:04:48,957 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:04:48,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 11:04:48,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 11:04:48,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2018-11-18 11:04:48,958 INFO L87 Difference]: Start difference. First operand 4328 states and 5725 transitions. Second operand 15 states. [2018-11-18 11:04:50,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:04:50,447 INFO L93 Difference]: Finished difference Result 10329 states and 14074 transitions. [2018-11-18 11:04:50,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 11:04:50,447 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 234 [2018-11-18 11:04:50,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:04:50,448 INFO L225 Difference]: With dead ends: 10329 [2018-11-18 11:04:50,448 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:04:50,464 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 475 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=235, Invalid=577, Unknown=0, NotChecked=0, Total=812 [2018-11-18 11:04:50,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:04:50,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:04:50,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:04:50,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:04:50,465 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 234 [2018-11-18 11:04:50,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:04:50,465 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:04:50,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 11:04:50,465 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:04:50,465 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:04:50,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:04:50,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:50,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:50,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:50,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:50,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:50,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:50,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:50,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:50,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:50,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:50,922 WARN L180 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 58 [2018-11-18 11:04:51,087 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:04:51,087 INFO L421 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)) [2018-11-18 11:04:51,087 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:04:51,087 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,087 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,087 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,087 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,087 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,087 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-18 11:04:51,087 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-18 11:04:51,088 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-18 11:04:51,088 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 11:04:51,088 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-18 11:04:51,088 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 11:04:51,088 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-18 11:04:51,088 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-18 11:04:51,088 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-18 11:04:51,088 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-18 11:04:51,088 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 11:04:51,088 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-18 11:04:51,088 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-18 11:04:51,088 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,088 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,088 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,088 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,088 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 11:04:51,089 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,089 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-18 11:04:51,089 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 11:04:51,089 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 11:04:51,089 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-18 11:04:51,089 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 11:04:51,089 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-18 11:04:51,089 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-18 11:04:51,089 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 11:04:51,089 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-18 11:04:51,089 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-18 11:04:51,089 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-18 11:04:51,089 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-18 11:04:51,089 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-18 11:04:51,089 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-18 11:04:51,089 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-18 11:04:51,089 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,090 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,090 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,090 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,090 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,090 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-18 11:04:51,090 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-18 11:04:51,090 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-18 11:04:51,090 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-18 11:04:51,090 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 11:04:51,092 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 11:04:51,092 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 11:04:51,092 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-18 11:04:51,092 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-18 11:04:51,092 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-18 11:04:51,092 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-18 11:04:51,092 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,092 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,092 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,093 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,093 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,093 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-18 11:04:51,093 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-18 11:04:51,093 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-18 11:04:51,093 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 577) no Hoare annotation was computed. [2018-11-18 11:04:51,093 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-18 11:04:51,093 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 11:04:51,093 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-18 11:04:51,093 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 11:04:51,093 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-18 11:04:51,093 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-18 11:04:51,093 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-18 11:04:51,093 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-18 11:04:51,093 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-18 11:04:51,094 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-18 11:04:51,094 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,094 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,094 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,094 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,094 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,094 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-18 11:04:51,094 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 11:04:51,094 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-18 11:04:51,094 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-18 11:04:51,094 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 11:04:51,094 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 11:04:51,094 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-18 11:04:51,094 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-18 11:04:51,094 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-18 11:04:51,094 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-18 11:04:51,095 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-18 11:04:51,095 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-18 11:04:51,095 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-18 11:04:51,095 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 11:04:51,095 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-18 11:04:51,095 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 11:04:51,095 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,095 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,095 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,095 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,095 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-18 11:04:51,095 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,095 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-18 11:04:51,095 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,096 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-18 11:04:51,096 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-18 11:04:51,096 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-18 11:04:51,096 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,096 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,096 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 11:04:51,096 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 11:04:51,096 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-18 11:04:51,096 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 11:04:51,096 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 11:04:51,096 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-18 11:04:51,096 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-18 11:04:51,096 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-18 11:04:51,096 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-18 11:04:51,097 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-18 11:04:51,097 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-18 11:04:51,097 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,097 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,097 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,097 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,097 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,097 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,097 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-18 11:04:51,097 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-18 11:04:51,097 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 11:04:51,097 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 11:04:51,097 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 11:04:51,097 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 11:04:51,098 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 11:04:51,098 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-18 11:04:51,098 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-18 11:04:51,098 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-18 11:04:51,098 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-18 11:04:51,098 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,098 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,098 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,098 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,098 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,098 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,098 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-18 11:04:51,098 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-18 11:04:51,098 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-18 11:04:51,098 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-18 11:04:51,099 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 11:04:51,099 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-18 11:04:51,099 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-18 11:04:51,099 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 11:04:51,099 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-18 11:04:51,099 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-18 11:04:51,099 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-18 11:04:51,099 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-18 11:04:51,099 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-18 11:04:51,099 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-18 11:04:51,099 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,099 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,099 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,100 INFO L421 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)))) [2018-11-18 11:04:51,100 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,100 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,100 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,100 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-18 11:04:51,100 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-18 11:04:51,100 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-18 11:04:51,100 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-18 11:04:51,100 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 11:04:51,100 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 11:04:51,100 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-18 11:04:51,100 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 11:04:51,100 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-18 11:04:51,100 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-18 11:04:51,100 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-18 11:04:51,100 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-18 11:04:51,100 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-18 11:04:51,101 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,101 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,101 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,101 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,101 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,101 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,101 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-18 11:04:51,101 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-18 11:04:51,101 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 11:04:51,101 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-18 11:04:51,101 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-18 11:04:51,101 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-18 11:04:51,101 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 11:04:51,101 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-18 11:04:51,101 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-18 11:04:51,101 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-18 11:04:51,101 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-18 11:04:51,102 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-18 11:04:51,102 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-18 11:04:51,102 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-18 11:04:51,102 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-18 11:04:51,102 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-18 11:04:51,102 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,102 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,102 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,102 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,102 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:04:51,102 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-18 11:04:51,102 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-18 11:04:51,102 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-18 11:04:51,102 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-18 11:04:51,102 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 11:04:51,102 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 11:04:51,103 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 11:04:51,103 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 11:04:51,103 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 11:04:51,103 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 11:04:51,103 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-18 11:04:51,103 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-18 11:04:51,103 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-18 11:04:51,103 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-18 11:04:51,103 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-18 11:04:51,103 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-18 11:04:51,103 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-18 11:04:51,103 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-18 11:04:51,103 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-18 11:04:51,103 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:04:51,103 INFO L421 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)) [2018-11-18 11:04:51,103 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:04:51,104 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:04:51,104 INFO L421 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)|))) [2018-11-18 11:04:51,104 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-18 11:04:51,104 INFO L421 ceAbstractionStarter]: At program point L606-3(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)|)))) [2018-11-18 11:04:51,104 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-18 11:04:51,104 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-18 11:04:51,104 INFO L421 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)|)))) [2018-11-18 11:04:51,104 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-18 11:04:51,104 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-18 11:04:51,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:04:51 BoogieIcfgContainer [2018-11-18 11:04:51,113 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:04:51,113 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:04:51,113 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:04:51,113 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:04:51,114 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:04:31" (3/4) ... [2018-11-18 11:04:51,117 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:04:51,121 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:04:51,121 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 11:04:51,121 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:04:51,129 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 11:04:51,133 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 11:04:51,152 WARN L220 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)) [2018-11-18 11:04:51,215 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_50c6c301-5a5b-43e4-bf81-03993cd984f8/bin-2019/utaipan/witness.graphml [2018-11-18 11:04:51,215 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:04:51,216 INFO L168 Benchmark]: Toolchain (without parser) took 21381.41 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 1.7 GB in the end (delta: -696.9 MB). Peak memory consumption was 466.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:04:51,216 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-11-18 11:04:51,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.50 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. [2018-11-18 11:04:51,217 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -210.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:04:51,217 INFO L168 Benchmark]: Boogie Preprocessor took 49.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:04:51,217 INFO L168 Benchmark]: RCFGBuilder took 752.27 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: 101.6 MB). Peak memory consumption was 101.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:04:51,218 INFO L168 Benchmark]: TraceAbstraction took 20062.23 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: -653.0 MB). Peak memory consumption was 370.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:04:51,218 INFO L168 Benchmark]: Witness Printer took 101.98 ms. Allocated memory is still 2.2 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:04:51,221 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 339.50 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 72.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -210.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 752.27 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: 101.6 MB). Peak memory consumption was 101.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20062.23 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: -653.0 MB). Peak memory consumption was 370.9 MB. Max. memory is 11.5 GB. * Witness Printer took 101.98 ms. Allocated memory is still 2.2 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. 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, 237 locations, 1 error locations. SAFE Result, 20.0s OverallTime, 9 OverallIterations, 5 TraceHistogramMax, 14.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1458 SDtfs, 7258 SDslu, 2063 SDs, 0 SdLazy, 9674 SolverSat, 2358 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1411 GetRequests, 1300 SyntacticMatches, 7 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4328occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 5 AbstIntIterations, 4 AbstIntStrong, 0.9978096511741205 AbsIntWeakeningRatio, 0.17360285374554102 AbsIntAvgWeakeningVarsNumRemoved, 26.434007134363853 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 152 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, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1985 NumberOfCodeBlocks, 1985 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2208 ConstructedInterpolants, 0 QuantifiedInterpolants, 1393097 SizeOfPredicates, 1 NumberOfNonLiveVariables, 533 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 717/814 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...