./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem01_label19_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/eca-rers2012/Problem01_label19_true-unreach-call_false-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1dbe756481135ac1d54a76a4eed07fd2745a9deb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 00:51:58,043 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 00:51:58,046 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 00:51:58,059 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 00:51:58,059 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 00:51:58,060 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 00:51:58,062 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 00:51:58,064 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 00:51:58,065 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 00:51:58,066 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 00:51:58,067 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 00:51:58,067 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 00:51:58,068 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 00:51:58,069 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 00:51:58,070 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 00:51:58,071 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 00:51:58,072 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 00:51:58,074 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 00:51:58,076 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 00:51:58,078 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 00:51:58,079 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 00:51:58,081 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 00:51:58,083 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 00:51:58,084 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 00:51:58,084 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 00:51:58,085 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 00:51:58,086 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 00:51:58,087 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 00:51:58,088 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 00:51:58,089 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 00:51:58,089 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 00:51:58,090 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 00:51:58,090 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 00:51:58,090 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 00:51:58,091 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 00:51:58,092 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 00:51:58,093 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 00:51:58,114 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 00:51:58,115 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 00:51:58,117 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 00:51:58,120 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 00:51:58,121 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 00:51:58,121 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 00:51:58,121 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 00:51:58,121 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 00:51:58,121 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 00:51:58,123 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 00:51:58,123 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 00:51:58,123 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 00:51:58,124 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 00:51:58,124 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 00:51:58,124 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 00:51:58,125 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 00:51:58,125 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 00:51:58,125 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 00:51:58,125 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 00:51:58,125 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 00:51:58,125 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 00:51:58,128 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 00:51:58,128 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 00:51:58,128 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 00:51:58,128 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 00:51:58,128 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 00:51:58,128 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 00:51:58,129 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 00:51:58,129 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> 1dbe756481135ac1d54a76a4eed07fd2745a9deb [2019-01-12 00:51:58,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 00:51:58,187 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 00:51:58,196 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 00:51:58,198 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 00:51:58,198 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 00:51:58,199 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem01_label19_true-unreach-call_false-termination.c [2019-01-12 00:51:58,272 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8d68251d/26e1a6bc404d48f8bf3e191973f1c30a/FLAGb8b830c73 [2019-01-12 00:51:58,865 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 00:51:58,867 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem01_label19_true-unreach-call_false-termination.c [2019-01-12 00:51:58,891 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8d68251d/26e1a6bc404d48f8bf3e191973f1c30a/FLAGb8b830c73 [2019-01-12 00:51:59,113 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8d68251d/26e1a6bc404d48f8bf3e191973f1c30a [2019-01-12 00:51:59,117 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 00:51:59,119 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 00:51:59,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 00:51:59,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 00:51:59,126 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 00:51:59,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 12:51:59" (1/1) ... [2019-01-12 00:51:59,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38e263d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 12:51:59, skipping insertion in model container [2019-01-12 00:51:59,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 12:51:59" (1/1) ... [2019-01-12 00:51:59,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 00:51:59,207 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 00:51:59,661 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 00:51:59,673 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 00:51:59,812 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 00:51:59,830 INFO L195 MainTranslator]: Completed translation [2019-01-12 00:51:59,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 12:51:59 WrapperNode [2019-01-12 00:51:59,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 00:51:59,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 00:51:59,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 00:51:59,832 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 00:51:59,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 12:51:59" (1/1) ... [2019-01-12 00:51:59,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 12:51:59" (1/1) ... [2019-01-12 00:52:00,003 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 00:52:00,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 00:52:00,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 00:52:00,006 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 00:52:00,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 12:51:59" (1/1) ... [2019-01-12 00:52:00,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 12:51:59" (1/1) ... [2019-01-12 00:52:00,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 12:51:59" (1/1) ... [2019-01-12 00:52:00,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 12:51:59" (1/1) ... [2019-01-12 00:52:00,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 12:51:59" (1/1) ... [2019-01-12 00:52:00,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 12:51:59" (1/1) ... [2019-01-12 00:52:00,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 12:51:59" (1/1) ... [2019-01-12 00:52:00,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 00:52:00,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 00:52:00,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 00:52:00,109 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 00:52:00,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 12:51:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-12 00:52:00,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 00:52:00,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 00:52:03,246 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 00:52:03,247 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-12 00:52:03,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 12:52:03 BoogieIcfgContainer [2019-01-12 00:52:03,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 00:52:03,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 00:52:03,252 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 00:52:03,256 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 00:52:03,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 12:51:59" (1/3) ... [2019-01-12 00:52:03,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b57b61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 12:52:03, skipping insertion in model container [2019-01-12 00:52:03,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 12:51:59" (2/3) ... [2019-01-12 00:52:03,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b57b61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 12:52:03, skipping insertion in model container [2019-01-12 00:52:03,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 12:52:03" (3/3) ... [2019-01-12 00:52:03,262 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label19_true-unreach-call_false-termination.c [2019-01-12 00:52:03,273 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 00:52:03,284 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 00:52:03,303 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 00:52:03,353 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 00:52:03,354 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 00:52:03,354 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 00:52:03,354 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 00:52:03,355 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 00:52:03,355 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 00:52:03,355 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 00:52:03,355 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 00:52:03,355 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 00:52:03,393 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-01-12 00:52:03,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-01-12 00:52:03,408 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 00:52:03,410 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 00:52:03,412 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 00:52:03,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 00:52:03,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1118209127, now seen corresponding path program 1 times [2019-01-12 00:52:03,425 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 00:52:03,425 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 00:52:03,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 00:52:03,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 00:52:03,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 00:52:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 00:52:04,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 00:52:04,083 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 00:52:04,084 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 00:52:04,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 00:52:04,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 00:52:04,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 00:52:04,109 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 4 states. [2019-01-12 00:52:06,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 00:52:06,153 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2019-01-12 00:52:06,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 00:52:06,156 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 86 [2019-01-12 00:52:06,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 00:52:06,178 INFO L225 Difference]: With dead ends: 662 [2019-01-12 00:52:06,178 INFO L226 Difference]: Without dead ends: 397 [2019-01-12 00:52:06,186 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 00:52:06,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-01-12 00:52:06,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2019-01-12 00:52:06,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-01-12 00:52:06,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 559 transitions. [2019-01-12 00:52:06,310 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 559 transitions. Word has length 86 [2019-01-12 00:52:06,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 00:52:06,312 INFO L480 AbstractCegarLoop]: Abstraction has 397 states and 559 transitions. [2019-01-12 00:52:06,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 00:52:06,313 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 559 transitions. [2019-01-12 00:52:06,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-01-12 00:52:06,317 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 00:52:06,317 INFO L402 BasicCegarLoop]: trace histogram [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] [2019-01-12 00:52:06,318 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 00:52:06,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 00:52:06,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1535713217, now seen corresponding path program 1 times [2019-01-12 00:52:06,318 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 00:52:06,319 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 00:52:06,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 00:52:06,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 00:52:06,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 00:52:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 00:52:06,482 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 00:52:06,482 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 00:52:06,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 00:52:06,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 00:52:06,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 00:52:06,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 00:52:06,486 INFO L87 Difference]: Start difference. First operand 397 states and 559 transitions. Second operand 4 states. [2019-01-12 00:52:07,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 00:52:07,505 INFO L93 Difference]: Finished difference Result 1185 states and 1672 transitions. [2019-01-12 00:52:07,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 00:52:07,506 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 91 [2019-01-12 00:52:07,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 00:52:07,511 INFO L225 Difference]: With dead ends: 1185 [2019-01-12 00:52:07,512 INFO L226 Difference]: Without dead ends: 790 [2019-01-12 00:52:07,515 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 00:52:07,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-01-12 00:52:07,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2019-01-12 00:52:07,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2019-01-12 00:52:07,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1066 transitions. [2019-01-12 00:52:07,550 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1066 transitions. Word has length 91 [2019-01-12 00:52:07,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 00:52:07,550 INFO L480 AbstractCegarLoop]: Abstraction has 790 states and 1066 transitions. [2019-01-12 00:52:07,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 00:52:07,551 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1066 transitions. [2019-01-12 00:52:07,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-01-12 00:52:07,555 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 00:52:07,556 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2019-01-12 00:52:07,556 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 00:52:07,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 00:52:07,556 INFO L82 PathProgramCache]: Analyzing trace with hash -391670679, now seen corresponding path program 1 times [2019-01-12 00:52:07,557 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 00:52:07,557 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 00:52:07,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 00:52:07,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 00:52:07,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 00:52:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 00:52:07,678 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-01-12 00:52:07,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 00:52:07,679 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 00:52:07,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 00:52:07,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 00:52:07,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 00:52:07,680 INFO L87 Difference]: Start difference. First operand 790 states and 1066 transitions. Second operand 3 states. [2019-01-12 00:52:08,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 00:52:08,720 INFO L93 Difference]: Finished difference Result 1971 states and 2686 transitions. [2019-01-12 00:52:08,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 00:52:08,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2019-01-12 00:52:08,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 00:52:08,728 INFO L225 Difference]: With dead ends: 1971 [2019-01-12 00:52:08,728 INFO L226 Difference]: Without dead ends: 1183 [2019-01-12 00:52:08,731 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 00:52:08,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2019-01-12 00:52:08,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 921. [2019-01-12 00:52:08,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 921 states. [2019-01-12 00:52:08,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1246 transitions. [2019-01-12 00:52:08,771 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1246 transitions. Word has length 112 [2019-01-12 00:52:08,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 00:52:08,775 INFO L480 AbstractCegarLoop]: Abstraction has 921 states and 1246 transitions. [2019-01-12 00:52:08,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 00:52:08,776 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1246 transitions. [2019-01-12 00:52:08,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-01-12 00:52:08,788 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 00:52:08,789 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-01-12 00:52:08,793 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 00:52:08,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 00:52:08,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1405764788, now seen corresponding path program 1 times [2019-01-12 00:52:08,794 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 00:52:08,794 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 00:52:08,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 00:52:08,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 00:52:08,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 00:52:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 00:52:09,038 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-01-12 00:52:09,039 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 00:52:09,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 00:52:09,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 00:52:09,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 00:52:09,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 00:52:09,040 INFO L87 Difference]: Start difference. First operand 921 states and 1246 transitions. Second operand 3 states. [2019-01-12 00:52:10,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 00:52:10,511 INFO L93 Difference]: Finished difference Result 2233 states and 2997 transitions. [2019-01-12 00:52:10,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 00:52:10,511 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2019-01-12 00:52:10,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 00:52:10,519 INFO L225 Difference]: With dead ends: 2233 [2019-01-12 00:52:10,519 INFO L226 Difference]: Without dead ends: 1314 [2019-01-12 00:52:10,521 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 00:52:10,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2019-01-12 00:52:10,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1052. [2019-01-12 00:52:10,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2019-01-12 00:52:10,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1358 transitions. [2019-01-12 00:52:10,552 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1358 transitions. Word has length 148 [2019-01-12 00:52:10,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 00:52:10,554 INFO L480 AbstractCegarLoop]: Abstraction has 1052 states and 1358 transitions. [2019-01-12 00:52:10,554 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 00:52:10,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1358 transitions. [2019-01-12 00:52:10,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-01-12 00:52:10,558 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 00:52:10,558 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2019-01-12 00:52:10,558 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 00:52:10,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 00:52:10,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1778218692, now seen corresponding path program 1 times [2019-01-12 00:52:10,560 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 00:52:10,560 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 00:52:10,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 00:52:10,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 00:52:10,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 00:52:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 00:52:10,714 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-01-12 00:52:10,714 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 00:52:10,714 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 00:52:10,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 00:52:10,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 00:52:10,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 00:52:10,716 INFO L87 Difference]: Start difference. First operand 1052 states and 1358 transitions. Second operand 3 states. [2019-01-12 00:52:11,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 00:52:11,342 INFO L93 Difference]: Finished difference Result 2888 states and 3704 transitions. [2019-01-12 00:52:11,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 00:52:11,343 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2019-01-12 00:52:11,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 00:52:11,353 INFO L225 Difference]: With dead ends: 2888 [2019-01-12 00:52:11,353 INFO L226 Difference]: Without dead ends: 1838 [2019-01-12 00:52:11,356 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 00:52:11,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2019-01-12 00:52:11,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1576. [2019-01-12 00:52:11,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2019-01-12 00:52:11,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1990 transitions. [2019-01-12 00:52:11,396 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1990 transitions. Word has length 167 [2019-01-12 00:52:11,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 00:52:11,396 INFO L480 AbstractCegarLoop]: Abstraction has 1576 states and 1990 transitions. [2019-01-12 00:52:11,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 00:52:11,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1990 transitions. [2019-01-12 00:52:11,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-01-12 00:52:11,401 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 00:52:11,401 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2019-01-12 00:52:11,402 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 00:52:11,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 00:52:11,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1346782237, now seen corresponding path program 1 times [2019-01-12 00:52:11,402 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 00:52:11,402 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 00:52:11,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 00:52:11,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 00:52:11,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 00:52:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 00:52:11,549 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2019-01-12 00:52:11,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 00:52:11,550 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 00:52:11,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 00:52:11,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 00:52:11,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 00:52:11,551 INFO L87 Difference]: Start difference. First operand 1576 states and 1990 transitions. Second operand 3 states. [2019-01-12 00:52:12,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 00:52:12,050 INFO L93 Difference]: Finished difference Result 3412 states and 4294 transitions. [2019-01-12 00:52:12,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 00:52:12,050 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2019-01-12 00:52:12,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 00:52:12,058 INFO L225 Difference]: With dead ends: 3412 [2019-01-12 00:52:12,058 INFO L226 Difference]: Without dead ends: 1838 [2019-01-12 00:52:12,060 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 00:52:12,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2019-01-12 00:52:12,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1838. [2019-01-12 00:52:12,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-01-12 00:52:12,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2270 transitions. [2019-01-12 00:52:12,097 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2270 transitions. Word has length 170 [2019-01-12 00:52:12,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 00:52:12,097 INFO L480 AbstractCegarLoop]: Abstraction has 1838 states and 2270 transitions. [2019-01-12 00:52:12,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 00:52:12,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2270 transitions. [2019-01-12 00:52:12,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-01-12 00:52:12,102 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 00:52:12,102 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2019-01-12 00:52:12,102 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 00:52:12,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 00:52:12,103 INFO L82 PathProgramCache]: Analyzing trace with hash 566709275, now seen corresponding path program 1 times [2019-01-12 00:52:12,103 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 00:52:12,103 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 00:52:12,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 00:52:12,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 00:52:12,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 00:52:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 00:52:12,334 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2019-01-12 00:52:12,334 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 00:52:12,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-12 00:52:12,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-12 00:52:12,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-12 00:52:12,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-01-12 00:52:12,335 INFO L87 Difference]: Start difference. First operand 1838 states and 2270 transitions. Second operand 8 states. [2019-01-12 00:52:13,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 00:52:13,690 INFO L93 Difference]: Finished difference Result 3841 states and 4711 transitions. [2019-01-12 00:52:13,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-12 00:52:13,691 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 174 [2019-01-12 00:52:13,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 00:52:13,701 INFO L225 Difference]: With dead ends: 3841 [2019-01-12 00:52:13,701 INFO L226 Difference]: Without dead ends: 2005 [2019-01-12 00:52:13,705 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-01-12 00:52:13,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2005 states. [2019-01-12 00:52:13,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2005 to 1838. [2019-01-12 00:52:13,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-01-12 00:52:13,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2258 transitions. [2019-01-12 00:52:13,758 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2258 transitions. Word has length 174 [2019-01-12 00:52:13,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 00:52:13,758 INFO L480 AbstractCegarLoop]: Abstraction has 1838 states and 2258 transitions. [2019-01-12 00:52:13,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-12 00:52:13,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2258 transitions. [2019-01-12 00:52:13,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-01-12 00:52:13,765 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 00:52:13,765 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 00:52:13,765 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 00:52:13,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 00:52:13,766 INFO L82 PathProgramCache]: Analyzing trace with hash -1728189589, now seen corresponding path program 1 times [2019-01-12 00:52:13,766 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 00:52:13,766 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 00:52:13,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 00:52:13,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 00:52:13,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 00:52:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 00:52:14,192 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-01-12 00:52:14,193 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 00:52:14,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 00:52:14,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 00:52:14,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 00:52:14,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 00:52:14,194 INFO L87 Difference]: Start difference. First operand 1838 states and 2258 transitions. Second operand 4 states. [2019-01-12 00:52:15,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 00:52:15,314 INFO L93 Difference]: Finished difference Result 3936 states and 4836 transitions. [2019-01-12 00:52:15,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 00:52:15,315 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 207 [2019-01-12 00:52:15,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 00:52:15,324 INFO L225 Difference]: With dead ends: 3936 [2019-01-12 00:52:15,324 INFO L226 Difference]: Without dead ends: 2100 [2019-01-12 00:52:15,327 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 00:52:15,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2019-01-12 00:52:15,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1969. [2019-01-12 00:52:15,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2019-01-12 00:52:15,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2323 transitions. [2019-01-12 00:52:15,368 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2323 transitions. Word has length 207 [2019-01-12 00:52:15,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 00:52:15,369 INFO L480 AbstractCegarLoop]: Abstraction has 1969 states and 2323 transitions. [2019-01-12 00:52:15,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 00:52:15,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2323 transitions. [2019-01-12 00:52:15,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-01-12 00:52:15,375 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 00:52:15,376 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-01-12 00:52:15,376 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 00:52:15,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 00:52:15,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1488900895, now seen corresponding path program 1 times [2019-01-12 00:52:15,377 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 00:52:15,377 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 00:52:15,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 00:52:15,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 00:52:15,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 00:52:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 00:52:15,665 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-01-12 00:52:15,666 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 00:52:15,666 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 00:52:15,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 00:52:15,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 00:52:15,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 00:52:15,667 INFO L87 Difference]: Start difference. First operand 1969 states and 2323 transitions. Second operand 4 states. [2019-01-12 00:52:18,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 00:52:18,421 INFO L93 Difference]: Finished difference Result 4460 states and 5222 transitions. [2019-01-12 00:52:18,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 00:52:18,422 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 233 [2019-01-12 00:52:18,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 00:52:18,432 INFO L225 Difference]: With dead ends: 4460 [2019-01-12 00:52:18,433 INFO L226 Difference]: Without dead ends: 2493 [2019-01-12 00:52:18,436 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 00:52:18,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2019-01-12 00:52:18,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 1969. [2019-01-12 00:52:18,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2019-01-12 00:52:18,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2311 transitions. [2019-01-12 00:52:18,479 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2311 transitions. Word has length 233 [2019-01-12 00:52:18,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 00:52:18,479 INFO L480 AbstractCegarLoop]: Abstraction has 1969 states and 2311 transitions. [2019-01-12 00:52:18,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 00:52:18,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2311 transitions. [2019-01-12 00:52:18,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-01-12 00:52:18,489 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 00:52:18,489 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-01-12 00:52:18,489 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 00:52:18,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 00:52:18,490 INFO L82 PathProgramCache]: Analyzing trace with hash -408615606, now seen corresponding path program 1 times [2019-01-12 00:52:18,490 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 00:52:18,490 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 00:52:18,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 00:52:18,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 00:52:18,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 00:52:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 00:52:18,881 WARN L181 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2019-01-12 00:52:19,092 WARN L181 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2019-01-12 00:52:19,176 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2019-01-12 00:52:19,176 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 00:52:19,176 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-12 00:52:19,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-12 00:52:19,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-12 00:52:19,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-01-12 00:52:19,177 INFO L87 Difference]: Start difference. First operand 1969 states and 2311 transitions. Second operand 6 states. [2019-01-12 00:52:20,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 00:52:20,228 INFO L93 Difference]: Finished difference Result 4105 states and 4795 transitions. [2019-01-12 00:52:20,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 00:52:20,229 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 254 [2019-01-12 00:52:20,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 00:52:20,236 INFO L225 Difference]: With dead ends: 4105 [2019-01-12 00:52:20,236 INFO L226 Difference]: Without dead ends: 2138 [2019-01-12 00:52:20,239 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-01-12 00:52:20,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2138 states. [2019-01-12 00:52:20,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2138 to 1838. [2019-01-12 00:52:20,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-01-12 00:52:20,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2102 transitions. [2019-01-12 00:52:20,275 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2102 transitions. Word has length 254 [2019-01-12 00:52:20,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 00:52:20,275 INFO L480 AbstractCegarLoop]: Abstraction has 1838 states and 2102 transitions. [2019-01-12 00:52:20,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-12 00:52:20,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2102 transitions. [2019-01-12 00:52:20,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2019-01-12 00:52:20,283 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 00:52:20,283 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2019-01-12 00:52:20,284 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 00:52:20,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 00:52:20,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1287995233, now seen corresponding path program 1 times [2019-01-12 00:52:20,284 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 00:52:20,284 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 00:52:20,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 00:52:20,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 00:52:20,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 00:52:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 00:52:20,757 WARN L181 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-01-12 00:52:21,208 WARN L181 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 13 [2019-01-12 00:52:21,362 WARN L181 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 22 [2019-01-12 00:52:22,023 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 351 proven. 8 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-01-12 00:52:22,023 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-12 00:52:22,023 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-12 00:52:22,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 00:52:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 00:52:22,213 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 00:52:22,353 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2019-01-12 00:52:22,383 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-01-12 00:52:22,383 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 14 [2019-01-12 00:52:22,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-01-12 00:52:22,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-01-12 00:52:22,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2019-01-12 00:52:22,385 INFO L87 Difference]: Start difference. First operand 1838 states and 2102 transitions. Second operand 14 states. [2019-01-12 00:52:25,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 00:52:25,581 INFO L93 Difference]: Finished difference Result 3982 states and 4525 transitions. [2019-01-12 00:52:25,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-12 00:52:25,582 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 276 [2019-01-12 00:52:25,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 00:52:25,583 INFO L225 Difference]: With dead ends: 3982 [2019-01-12 00:52:25,583 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 00:52:25,587 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 277 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=175, Invalid=245, Unknown=0, NotChecked=0, Total=420 [2019-01-12 00:52:25,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 00:52:25,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 00:52:25,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 00:52:25,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 00:52:25,588 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 276 [2019-01-12 00:52:25,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 00:52:25,588 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 00:52:25,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-01-12 00:52:25,588 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 00:52:25,588 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 00:52:25,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 00:52:25,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 00:52:25,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 00:52:25,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 00:52:25,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 00:52:25,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 00:52:25,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 00:52:25,705 WARN L181 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 102 [2019-01-12 00:52:25,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 00:52:25,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 00:52:25,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 00:52:25,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 00:52:25,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 00:52:25,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 00:52:25,831 WARN L181 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 101 [2019-01-12 00:52:26,834 WARN L181 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 53 [2019-01-12 00:52:27,290 WARN L181 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 53 [2019-01-12 00:52:27,294 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-01-12 00:52:27,294 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-01-12 00:52:27,294 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,294 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,295 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,295 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,295 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,295 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,295 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-01-12 00:52:27,295 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-01-12 00:52:27,295 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-01-12 00:52:27,295 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-01-12 00:52:27,296 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-01-12 00:52:27,296 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-01-12 00:52:27,296 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-01-12 00:52:27,296 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-01-12 00:52:27,296 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-01-12 00:52:27,296 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-01-12 00:52:27,296 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,296 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,296 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,297 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,299 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,299 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,299 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-01-12 00:52:27,299 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-01-12 00:52:27,299 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-01-12 00:52:27,299 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-01-12 00:52:27,299 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-01-12 00:52:27,300 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-01-12 00:52:27,300 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-01-12 00:52:27,300 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-01-12 00:52:27,300 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-01-12 00:52:27,300 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-01-12 00:52:27,300 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-01-12 00:52:27,300 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-01-12 00:52:27,300 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-01-12 00:52:27,300 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-01-12 00:52:27,300 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-01-12 00:52:27,300 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,300 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,300 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,301 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,301 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,304 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-01-12 00:52:27,304 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-01-12 00:52:27,304 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-01-12 00:52:27,304 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-01-12 00:52:27,304 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-01-12 00:52:27,304 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-01-12 00:52:27,304 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-01-12 00:52:27,304 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-01-12 00:52:27,305 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-01-12 00:52:27,305 INFO L444 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse4 (= ~a7~0 1)) (.cse11 (= ~a16~0 6))) (let ((.cse0 (= ~a16~0 4)) (.cse6 (not .cse11)) (.cse5 (<= ~a21~0 0)) (.cse7 (= ~a8~0 13)) (.cse8 (<= ~a17~0 0)) (.cse2 (= ~a17~0 1)) (.cse10 (= ~a20~0 1)) (.cse9 (not .cse4)) (.cse3 (= ~a12~0 8)) (.cse1 (= ~a21~0 1))) (or (and (and .cse0 .cse1 (not .cse2)) .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse2 .cse3) (and (and .cse1 (= ~a16~0 5)) .cse3) (and .cse4 .cse5 .cse0 .cse7 .cse3 .cse8) (and .cse3 (and .cse9 .cse6 .cse2 .cse1)) (and .cse4 .cse5 .cse7 .cse3 .cse8 .cse10 .cse11 (or (= ULTIMATE.start_calculate_output_~input 2) (= ULTIMATE.start_calculate_output_~input 4) (= 1 ULTIMATE.start_calculate_output_~input) (= 5 ULTIMATE.start_calculate_output_~input) (= ULTIMATE.start_calculate_output_~input 6))) (and (or (and .cse2 .cse1 .cse10) (and .cse9 .cse1 .cse10 .cse11)) .cse3) (and .cse9 (= ~a8~0 15) .cse3 .cse1 .cse11)))) [2019-01-12 00:52:27,305 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,306 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,306 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,306 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,306 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,306 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-01-12 00:52:27,306 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-01-12 00:52:27,306 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-01-12 00:52:27,306 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-01-12 00:52:27,306 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-01-12 00:52:27,306 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-01-12 00:52:27,307 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-01-12 00:52:27,308 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-01-12 00:52:27,308 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-01-12 00:52:27,308 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-01-12 00:52:27,308 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-01-12 00:52:27,308 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-01-12 00:52:27,308 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-01-12 00:52:27,309 INFO L451 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2019-01-12 00:52:27,310 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,311 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,311 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,311 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,311 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,311 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-01-12 00:52:27,311 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-01-12 00:52:27,311 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-01-12 00:52:27,311 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-01-12 00:52:27,312 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-01-12 00:52:27,313 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-01-12 00:52:27,313 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-01-12 00:52:27,314 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-01-12 00:52:27,314 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-01-12 00:52:27,314 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,314 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,314 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,314 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,314 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-01-12 00:52:27,314 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,314 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-01-12 00:52:27,315 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-01-12 00:52:27,315 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-01-12 00:52:27,315 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-01-12 00:52:27,315 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-01-12 00:52:27,315 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-01-12 00:52:27,315 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-01-12 00:52:27,315 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 00:52:27,315 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-01-12 00:52:27,315 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-01-12 00:52:27,315 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-01-12 00:52:27,315 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-01-12 00:52:27,316 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-01-12 00:52:27,316 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-01-12 00:52:27,316 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,316 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse4 (= ~a7~0 1)) (.cse11 (= ~a16~0 6))) (let ((.cse0 (= ~a16~0 4)) (.cse6 (not .cse11)) (.cse5 (<= ~a21~0 0)) (.cse7 (= ~a8~0 13)) (.cse8 (<= ~a17~0 0)) (.cse9 (not .cse4)) (.cse3 (= ~a12~0 8)) (.cse2 (= ~a17~0 1)) (.cse1 (= ~a21~0 1)) (.cse10 (= ~a20~0 1))) (or (and (and .cse0 .cse1 (not .cse2)) .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse2 .cse3) (and (and .cse1 (= ~a16~0 5)) .cse3) (and .cse4 .cse5 .cse0 .cse7 .cse3 .cse8) (and .cse3 (and .cse9 .cse6 .cse2 .cse1)) (and .cse4 .cse5 .cse7 .cse3 .cse8 .cse10 .cse11 (or (= ULTIMATE.start_calculate_output_~input 2) (= ULTIMATE.start_calculate_output_~input 4) (= 1 ULTIMATE.start_calculate_output_~input) (= 5 ULTIMATE.start_calculate_output_~input) (= ULTIMATE.start_calculate_output_~input 6))) (and (and .cse9 .cse1 .cse10 .cse11) .cse3) (and .cse9 (= ~a8~0 15) .cse3 .cse1 .cse11) (and .cse3 (and .cse2 .cse1 .cse10))))) [2019-01-12 00:52:27,316 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,316 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,316 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,316 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,317 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-01-12 00:52:27,317 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-01-12 00:52:27,317 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-01-12 00:52:27,317 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-01-12 00:52:27,317 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-01-12 00:52:27,317 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-01-12 00:52:27,317 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-01-12 00:52:27,317 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 434) no Hoare annotation was computed. [2019-01-12 00:52:27,317 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-01-12 00:52:27,317 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,317 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,318 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,318 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,318 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,318 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-01-12 00:52:27,318 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 00:52:27,318 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-01-12 00:52:27,318 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-01-12 00:52:27,318 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-01-12 00:52:27,318 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-01-12 00:52:27,318 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-01-12 00:52:27,318 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-01-12 00:52:27,318 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-01-12 00:52:27,319 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-01-12 00:52:27,320 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-01-12 00:52:27,320 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-01-12 00:52:27,320 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-01-12 00:52:27,320 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,320 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,320 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,320 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,320 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-01-12 00:52:27,320 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,320 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,320 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-01-12 00:52:27,321 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-01-12 00:52:27,321 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 00:52:27,321 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-01-12 00:52:27,321 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-01-12 00:52:27,321 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-01-12 00:52:27,321 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-01-12 00:52:27,321 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-01-12 00:52:27,321 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-01-12 00:52:27,321 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-01-12 00:52:27,321 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-01-12 00:52:27,321 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-01-12 00:52:27,321 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-01-12 00:52:27,322 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,322 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,322 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,322 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,322 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,322 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-01-12 00:52:27,322 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,322 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-01-12 00:52:27,322 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-01-12 00:52:27,322 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-01-12 00:52:27,322 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-01-12 00:52:27,322 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-01-12 00:52:27,323 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-01-12 00:52:27,323 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-01-12 00:52:27,323 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-01-12 00:52:27,323 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-01-12 00:52:27,323 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-01-12 00:52:27,323 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-01-12 00:52:27,323 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 00:52:27,323 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-01-12 00:52:27,323 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-01-12 00:52:27,323 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-01-12 00:52:27,323 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,323 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,324 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,324 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,324 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,324 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-01-12 00:52:27,324 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-01-12 00:52:27,324 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-01-12 00:52:27,324 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-01-12 00:52:27,324 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-01-12 00:52:27,324 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-01-12 00:52:27,324 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-01-12 00:52:27,324 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-01-12 00:52:27,324 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-01-12 00:52:27,325 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-01-12 00:52:27,325 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-01-12 00:52:27,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 12:52:27 BoogieIcfgContainer [2019-01-12 00:52:27,358 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 00:52:27,359 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 00:52:27,359 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 00:52:27,359 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 00:52:27,361 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 12:52:03" (3/4) ... [2019-01-12 00:52:27,369 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 00:52:27,399 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-01-12 00:52:27,400 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-12 00:52:27,704 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 00:52:27,705 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 00:52:27,709 INFO L168 Benchmark]: Toolchain (without parser) took 28591.66 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 482.9 MB). Free memory was 942.0 MB in the beginning and 1.5 GB in the end (delta: -525.1 MB). Peak memory consumption was 545.9 MB. Max. memory is 11.5 GB. [2019-01-12 00:52:27,710 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 00:52:27,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.48 ms. Allocated memory is still 1.0 GB. Free memory was 936.6 MB in the beginning and 909.8 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-01-12 00:52:27,711 INFO L168 Benchmark]: Boogie Procedure Inliner took 171.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 909.8 MB in the beginning and 1.1 GB in the end (delta: -197.8 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2019-01-12 00:52:27,712 INFO L168 Benchmark]: Boogie Preprocessor took 104.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-12 00:52:27,712 INFO L168 Benchmark]: RCFGBuilder took 3140.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 994.8 MB in the end (delta: 106.0 MB). Peak memory consumption was 106.0 MB. Max. memory is 11.5 GB. [2019-01-12 00:52:27,713 INFO L168 Benchmark]: TraceAbstraction took 24107.28 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 264.2 MB). Free memory was 994.8 MB in the beginning and 783.8 MB in the end (delta: 211.0 MB). Peak memory consumption was 475.3 MB. Max. memory is 11.5 GB. [2019-01-12 00:52:27,716 INFO L168 Benchmark]: Witness Printer took 345.81 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 97.5 MB). Free memory was 783.8 MB in the beginning and 1.5 GB in the end (delta: -683.3 MB). Peak memory consumption was 2.4 MB. Max. memory is 11.5 GB. [2019-01-12 00:52:27,720 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 710.48 ms. Allocated memory is still 1.0 GB. Free memory was 936.6 MB in the beginning and 909.8 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 171.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 909.8 MB in the beginning and 1.1 GB in the end (delta: -197.8 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 104.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3140.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 994.8 MB in the end (delta: 106.0 MB). Peak memory consumption was 106.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24107.28 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 264.2 MB). Free memory was 994.8 MB in the beginning and 783.8 MB in the end (delta: 211.0 MB). Peak memory consumption was 475.3 MB. Max. memory is 11.5 GB. * Witness Printer took 345.81 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 97.5 MB). Free memory was 783.8 MB in the beginning and 1.5 GB in the end (delta: -683.3 MB). Peak memory consumption was 2.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 434]: 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: 30]: Loop Invariant Derived loop invariant: (((((((((a16 == 4 && a21 == 1) && !(a17 == 1)) && a12 == 8) || (((((a7 == 1 && a21 <= 0) && !(a16 == 6)) && a8 == 13) && a17 == 1) && a12 == 8)) || ((a21 == 1 && a16 == 5) && a12 == 8)) || (((((a7 == 1 && a21 <= 0) && a16 == 4) && a8 == 13) && a12 == 8) && a17 <= 0)) || (a12 == 8 && ((!(a7 == 1) && !(a16 == 6)) && a17 == 1) && a21 == 1)) || (((((((a7 == 1 && a21 <= 0) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1) && a16 == 6) && ((((input == 2 || input == 4) || 1 == input) || 5 == input) || input == 6))) || ((((a17 == 1 && a21 == 1) && a20 == 1) || (((!(a7 == 1) && a21 == 1) && a20 == 1) && a16 == 6)) && a12 == 8)) || ((((!(a7 == 1) && a8 == 15) && a12 == 8) && a21 == 1) && a16 == 6) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((a16 == 4 && a21 == 1) && !(a17 == 1)) && a12 == 8) || (((((a7 == 1 && a21 <= 0) && !(a16 == 6)) && a8 == 13) && a17 == 1) && a12 == 8)) || ((a21 == 1 && a16 == 5) && a12 == 8)) || (((((a7 == 1 && a21 <= 0) && a16 == 4) && a8 == 13) && a12 == 8) && a17 <= 0)) || (a12 == 8 && ((!(a7 == 1) && !(a16 == 6)) && a17 == 1) && a21 == 1)) || (((((((a7 == 1 && a21 <= 0) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1) && a16 == 6) && ((((input == 2 || input == 4) || 1 == input) || 5 == input) || input == 6))) || ((((!(a7 == 1) && a21 == 1) && a20 == 1) && a16 == 6) && a12 == 8)) || ((((!(a7 == 1) && a8 == 15) && a12 == 8) && a21 == 1) && a16 == 6)) || (a12 == 8 && (a17 == 1 && a21 == 1) && a20 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 23.9s OverallTime, 11 OverallIterations, 7 TraceHistogramMax, 16.3s AutomataDifference, 0.0s DeadEndRemovalTime, 1.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 783 SDtfs, 2689 SDslu, 148 SDs, 0 SdLazy, 7212 SolverSat, 970 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 338 GetRequests, 290 SyntacticMatches, 7 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1969occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 1908 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 40 NumberOfFragments, 342 HoareAnnotationTreeSize, 3 FomulaSimplifications, 14482 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1983 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 2194 NumberOfCodeBlocks, 2194 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2182 ConstructedInterpolants, 0 QuantifiedInterpolants, 1565408 SizeOfPredicates, 1 NumberOfNonLiveVariables, 507 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 2711/2719 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...