./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e 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/Problem02_label09_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 c896360830ff8b0574c029e3cde358b7dc7cde03 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 16:42:14,954 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 16:42:14,956 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 16:42:14,968 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 16:42:14,968 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 16:42:14,969 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 16:42:14,971 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 16:42:14,973 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 16:42:14,975 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 16:42:14,976 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 16:42:14,977 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 16:42:14,977 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 16:42:14,978 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 16:42:14,979 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 16:42:14,980 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 16:42:14,981 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 16:42:14,982 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 16:42:14,984 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 16:42:14,986 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 16:42:14,988 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 16:42:14,989 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 16:42:14,991 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 16:42:14,993 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 16:42:14,994 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 16:42:14,994 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 16:42:14,995 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 16:42:14,996 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 16:42:14,997 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 16:42:14,998 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 16:42:15,000 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 16:42:15,000 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 16:42:15,001 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 16:42:15,001 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 16:42:15,001 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 16:42:15,002 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 16:42:15,003 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 16:42:15,004 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 16:42:15,020 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 16:42:15,020 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 16:42:15,021 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 16:42:15,022 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 16:42:15,023 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 16:42:15,023 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 16:42:15,023 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 16:42:15,023 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 16:42:15,024 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 16:42:15,024 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 16:42:15,024 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 16:42:15,024 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 16:42:15,025 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 16:42:15,025 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 16:42:15,025 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 16:42:15,025 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 16:42:15,026 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 16:42:15,026 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 16:42:15,026 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 16:42:15,026 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 16:42:15,026 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 16:42:15,027 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 16:42:15,027 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 16:42:15,027 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 16:42:15,027 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 16:42:15,028 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 16:42:15,028 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 16:42:15,028 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 16:42:15,028 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 16:42:15,028 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 16:42:15,029 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 -> c896360830ff8b0574c029e3cde358b7dc7cde03 [2018-11-28 16:42:15,082 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 16:42:15,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 16:42:15,104 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 16:42:15,105 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 16:42:15,106 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 16:42:15,107 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c [2018-11-28 16:42:15,182 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d87da72d2/bdf7cf5cda954c1a85fd3b28ca635c24/FLAGd685421eb [2018-11-28 16:42:15,716 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 16:42:15,719 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c [2018-11-28 16:42:15,741 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d87da72d2/bdf7cf5cda954c1a85fd3b28ca635c24/FLAGd685421eb [2018-11-28 16:42:15,973 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d87da72d2/bdf7cf5cda954c1a85fd3b28ca635c24 [2018-11-28 16:42:15,977 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 16:42:15,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 16:42:15,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 16:42:15,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 16:42:15,988 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 16:42:15,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:15" (1/1) ... [2018-11-28 16:42:15,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364f73cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:15, skipping insertion in model container [2018-11-28 16:42:15,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:15" (1/1) ... [2018-11-28 16:42:16,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 16:42:16,073 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 16:42:16,522 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:42:16,535 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 16:42:16,666 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:42:16,690 INFO L195 MainTranslator]: Completed translation [2018-11-28 16:42:16,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:16 WrapperNode [2018-11-28 16:42:16,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 16:42:16,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 16:42:16,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 16:42:16,692 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 16:42:16,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:16" (1/1) ... [2018-11-28 16:42:16,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:16" (1/1) ... [2018-11-28 16:42:16,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 16:42:16,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 16:42:16,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 16:42:16,750 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 16:42:16,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:16" (1/1) ... [2018-11-28 16:42:16,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:16" (1/1) ... [2018-11-28 16:42:16,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:16" (1/1) ... [2018-11-28 16:42:16,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:16" (1/1) ... [2018-11-28 16:42:16,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:16" (1/1) ... [2018-11-28 16:42:16,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:16" (1/1) ... [2018-11-28 16:42:16,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:16" (1/1) ... [2018-11-28 16:42:16,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 16:42:16,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 16:42:16,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 16:42:16,943 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 16:42:16,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:16" (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 [2018-11-28 16:42:17,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 16:42:17,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 16:42:17,018 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-28 16:42:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-28 16:42:17,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 16:42:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 16:42:17,019 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 16:42:17,019 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 16:42:20,241 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 16:42:20,241 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 16:42:20,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:20 BoogieIcfgContainer [2018-11-28 16:42:20,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 16:42:20,249 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 16:42:20,249 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 16:42:20,252 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 16:42:20,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:42:15" (1/3) ... [2018-11-28 16:42:20,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b3fcad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:42:20, skipping insertion in model container [2018-11-28 16:42:20,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:16" (2/3) ... [2018-11-28 16:42:20,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b3fcad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:42:20, skipping insertion in model container [2018-11-28 16:42:20,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:20" (3/3) ... [2018-11-28 16:42:20,256 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label09_true-unreach-call_false-termination.c [2018-11-28 16:42:20,266 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 16:42:20,277 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 16:42:20,296 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 16:42:20,336 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 16:42:20,336 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 16:42:20,337 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 16:42:20,337 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 16:42:20,337 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 16:42:20,337 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 16:42:20,337 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 16:42:20,338 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 16:42:20,338 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 16:42:20,380 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-28 16:42:20,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-28 16:42:20,399 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:20,401 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:20,403 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:20,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:20,409 INFO L82 PathProgramCache]: Analyzing trace with hash -976875031, now seen corresponding path program 1 times [2018-11-28 16:42:20,410 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:20,411 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:20,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:20,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:20,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:21,115 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 16:42:21,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:21,281 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:21,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 16:42:21,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 16:42:21,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 16:42:21,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:42:21,310 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-28 16:42:22,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:22,739 INFO L93 Difference]: Finished difference Result 624 states and 1069 transitions. [2018-11-28 16:42:22,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 16:42:22,746 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2018-11-28 16:42:22,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:22,765 INFO L225 Difference]: With dead ends: 624 [2018-11-28 16:42:22,766 INFO L226 Difference]: Without dead ends: 326 [2018-11-28 16:42:22,773 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:42:22,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2018-11-28 16:42:22,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 321. [2018-11-28 16:42:22,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-11-28 16:42:22,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 467 transitions. [2018-11-28 16:42:22,864 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 467 transitions. Word has length 127 [2018-11-28 16:42:22,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:22,866 INFO L480 AbstractCegarLoop]: Abstraction has 321 states and 467 transitions. [2018-11-28 16:42:22,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 16:42:22,866 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 467 transitions. [2018-11-28 16:42:22,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-28 16:42:22,876 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:22,877 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:22,877 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:22,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:22,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1101712018, now seen corresponding path program 1 times [2018-11-28 16:42:22,878 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:22,878 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:22,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:22,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:22,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:23,254 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:23,254 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:23,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 16:42:23,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 16:42:23,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 16:42:23,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:42:23,257 INFO L87 Difference]: Start difference. First operand 321 states and 467 transitions. Second operand 5 states. [2018-11-28 16:42:24,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:24,544 INFO L93 Difference]: Finished difference Result 723 states and 1093 transitions. [2018-11-28 16:42:24,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 16:42:24,548 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2018-11-28 16:42:24,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:24,558 INFO L225 Difference]: With dead ends: 723 [2018-11-28 16:42:24,559 INFO L226 Difference]: Without dead ends: 321 [2018-11-28 16:42:24,561 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:42:24,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2018-11-28 16:42:24,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2018-11-28 16:42:24,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-11-28 16:42:24,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 463 transitions. [2018-11-28 16:42:24,596 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 463 transitions. Word has length 135 [2018-11-28 16:42:24,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:24,597 INFO L480 AbstractCegarLoop]: Abstraction has 321 states and 463 transitions. [2018-11-28 16:42:24,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 16:42:24,597 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 463 transitions. [2018-11-28 16:42:24,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-28 16:42:24,603 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:24,603 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:24,604 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:24,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:24,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1390328654, now seen corresponding path program 1 times [2018-11-28 16:42:24,605 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:24,605 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:24,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:24,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:24,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:24,853 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-11-28 16:42:24,889 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:24,890 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:24,890 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 16:42:24,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 16:42:24,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 16:42:24,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 16:42:24,891 INFO L87 Difference]: Start difference. First operand 321 states and 463 transitions. Second operand 6 states. [2018-11-28 16:42:26,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:26,212 INFO L93 Difference]: Finished difference Result 979 states and 1481 transitions. [2018-11-28 16:42:26,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 16:42:26,214 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2018-11-28 16:42:26,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:26,220 INFO L225 Difference]: With dead ends: 979 [2018-11-28 16:42:26,220 INFO L226 Difference]: Without dead ends: 664 [2018-11-28 16:42:26,221 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 16:42:26,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2018-11-28 16:42:26,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 632. [2018-11-28 16:42:26,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2018-11-28 16:42:26,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 895 transitions. [2018-11-28 16:42:26,267 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 895 transitions. Word has length 137 [2018-11-28 16:42:26,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:26,268 INFO L480 AbstractCegarLoop]: Abstraction has 632 states and 895 transitions. [2018-11-28 16:42:26,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 16:42:26,268 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 895 transitions. [2018-11-28 16:42:26,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-28 16:42:26,271 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:26,271 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:26,271 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:26,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:26,272 INFO L82 PathProgramCache]: Analyzing trace with hash 13692256, now seen corresponding path program 1 times [2018-11-28 16:42:26,272 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:26,272 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:26,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:26,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:26,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:26,730 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-11-28 16:42:26,956 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-11-28 16:42:27,240 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-11-28 16:42:27,476 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:27,477 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:27,477 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 16:42:27,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 16:42:27,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 16:42:27,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-28 16:42:27,478 INFO L87 Difference]: Start difference. First operand 632 states and 895 transitions. Second operand 7 states. [2018-11-28 16:42:31,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:31,264 INFO L93 Difference]: Finished difference Result 2079 states and 3063 transitions. [2018-11-28 16:42:31,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 16:42:31,264 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 140 [2018-11-28 16:42:31,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:31,274 INFO L225 Difference]: With dead ends: 2079 [2018-11-28 16:42:31,274 INFO L226 Difference]: Without dead ends: 1453 [2018-11-28 16:42:31,277 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-11-28 16:42:31,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2018-11-28 16:42:31,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1365. [2018-11-28 16:42:31,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1365 states. [2018-11-28 16:42:31,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1365 states and 1940 transitions. [2018-11-28 16:42:31,332 INFO L78 Accepts]: Start accepts. Automaton has 1365 states and 1940 transitions. Word has length 140 [2018-11-28 16:42:31,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:31,333 INFO L480 AbstractCegarLoop]: Abstraction has 1365 states and 1940 transitions. [2018-11-28 16:42:31,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 16:42:31,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 1940 transitions. [2018-11-28 16:42:31,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-28 16:42:31,339 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:31,339 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:31,339 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:31,339 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:31,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1527973936, now seen corresponding path program 1 times [2018-11-28 16:42:31,340 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:31,340 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:31,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:31,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:31,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:31,521 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:31,521 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:31,521 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 16:42:31,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 16:42:31,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 16:42:31,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 16:42:31,523 INFO L87 Difference]: Start difference. First operand 1365 states and 1940 transitions. Second operand 6 states. [2018-11-28 16:42:32,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:32,558 INFO L93 Difference]: Finished difference Result 3355 states and 4901 transitions. [2018-11-28 16:42:32,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 16:42:32,567 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 148 [2018-11-28 16:42:32,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:32,586 INFO L225 Difference]: With dead ends: 3355 [2018-11-28 16:42:32,586 INFO L226 Difference]: Without dead ends: 1996 [2018-11-28 16:42:32,591 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 16:42:32,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states. [2018-11-28 16:42:32,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1968. [2018-11-28 16:42:32,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1968 states. [2018-11-28 16:42:32,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 1968 states and 2752 transitions. [2018-11-28 16:42:32,681 INFO L78 Accepts]: Start accepts. Automaton has 1968 states and 2752 transitions. Word has length 148 [2018-11-28 16:42:32,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:32,681 INFO L480 AbstractCegarLoop]: Abstraction has 1968 states and 2752 transitions. [2018-11-28 16:42:32,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 16:42:32,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1968 states and 2752 transitions. [2018-11-28 16:42:32,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-28 16:42:32,690 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:32,690 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:32,690 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:32,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:32,691 INFO L82 PathProgramCache]: Analyzing trace with hash -234431911, now seen corresponding path program 1 times [2018-11-28 16:42:32,691 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:32,691 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:32,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:32,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:32,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:33,127 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-28 16:42:33,382 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-11-28 16:42:33,531 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:33,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:33,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 16:42:33,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 16:42:33,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 16:42:33,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:42:33,533 INFO L87 Difference]: Start difference. First operand 1968 states and 2752 transitions. Second operand 5 states. [2018-11-28 16:42:34,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:34,542 INFO L93 Difference]: Finished difference Result 4016 states and 5676 transitions. [2018-11-28 16:42:34,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 16:42:34,549 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2018-11-28 16:42:34,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:34,561 INFO L225 Difference]: With dead ends: 4016 [2018-11-28 16:42:34,561 INFO L226 Difference]: Without dead ends: 1968 [2018-11-28 16:42:34,567 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:42:34,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2018-11-28 16:42:34,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1968. [2018-11-28 16:42:34,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1968 states. [2018-11-28 16:42:34,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 1968 states and 2702 transitions. [2018-11-28 16:42:34,631 INFO L78 Accepts]: Start accepts. Automaton has 1968 states and 2702 transitions. Word has length 153 [2018-11-28 16:42:34,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:34,631 INFO L480 AbstractCegarLoop]: Abstraction has 1968 states and 2702 transitions. [2018-11-28 16:42:34,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 16:42:34,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1968 states and 2702 transitions. [2018-11-28 16:42:34,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-28 16:42:34,640 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:34,640 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:34,640 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:34,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:34,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1639097634, now seen corresponding path program 1 times [2018-11-28 16:42:34,641 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:34,641 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:34,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:34,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:34,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:34,882 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 16:42:34,978 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-28 16:42:34,979 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 16:42:34,979 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 [2018-11-28 16:42:34,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:35,099 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 16:42:35,375 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:35,404 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 16:42:35,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2018-11-28 16:42:35,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 16:42:35,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 16:42:35,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-28 16:42:35,407 INFO L87 Difference]: Start difference. First operand 1968 states and 2702 transitions. Second operand 8 states. [2018-11-28 16:42:38,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:38,086 INFO L93 Difference]: Finished difference Result 4006 states and 5976 transitions. [2018-11-28 16:42:38,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 16:42:38,088 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 161 [2018-11-28 16:42:38,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:38,106 INFO L225 Difference]: With dead ends: 4006 [2018-11-28 16:42:38,106 INFO L226 Difference]: Without dead ends: 2044 [2018-11-28 16:42:38,114 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 162 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-11-28 16:42:38,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2044 states. [2018-11-28 16:42:38,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2044 to 1946. [2018-11-28 16:42:38,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1946 states. [2018-11-28 16:42:38,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1946 states and 2558 transitions. [2018-11-28 16:42:38,203 INFO L78 Accepts]: Start accepts. Automaton has 1946 states and 2558 transitions. Word has length 161 [2018-11-28 16:42:38,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:38,204 INFO L480 AbstractCegarLoop]: Abstraction has 1946 states and 2558 transitions. [2018-11-28 16:42:38,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 16:42:38,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 2558 transitions. [2018-11-28 16:42:38,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-28 16:42:38,213 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:38,213 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:38,213 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:38,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:38,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1208609162, now seen corresponding path program 1 times [2018-11-28 16:42:38,215 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:38,215 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:38,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:38,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:38,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:38,510 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 16:42:38,511 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 16:42:38,511 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 16:42:38,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:38,591 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 16:42:38,756 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:38,788 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 16:42:38,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-11-28 16:42:38,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 16:42:38,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 16:42:38,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:42:38,790 INFO L87 Difference]: Start difference. First operand 1946 states and 2558 transitions. Second operand 5 states. [2018-11-28 16:42:39,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:39,800 INFO L93 Difference]: Finished difference Result 4220 states and 5773 transitions. [2018-11-28 16:42:39,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 16:42:39,801 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 181 [2018-11-28 16:42:39,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:39,802 INFO L225 Difference]: With dead ends: 4220 [2018-11-28 16:42:39,802 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 16:42:39,813 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 182 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-28 16:42:39,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 16:42:39,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 16:42:39,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 16:42:39,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 16:42:39,815 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 181 [2018-11-28 16:42:39,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:39,815 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 16:42:39,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 16:42:39,815 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 16:42:39,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 16:42:39,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 16:42:39,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:39,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:40,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:40,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:40,262 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-11-28 16:42:40,604 WARN L180 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2018-11-28 16:42:41,334 WARN L180 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 60 [2018-11-28 16:42:41,575 WARN L180 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 43 [2018-11-28 16:42:41,839 WARN L180 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 43 [2018-11-28 16:42:41,842 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 16:42:41,843 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0)) [2018-11-28 16:42:41,843 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 16:42:41,843 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,843 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,843 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,843 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,843 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,843 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-28 16:42:41,844 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-28 16:42:41,844 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-28 16:42:41,844 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-28 16:42:41,844 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-28 16:42:41,844 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-28 16:42:41,844 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-28 16:42:41,844 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-28 16:42:41,844 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-28 16:42:41,844 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-28 16:42:41,845 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-28 16:42:41,845 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-28 16:42:41,845 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-28 16:42:41,845 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,845 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,845 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,845 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,845 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-28 16:42:41,846 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,846 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-28 16:42:41,846 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-28 16:42:41,846 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-28 16:42:41,846 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-28 16:42:41,846 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-28 16:42:41,846 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-28 16:42:41,846 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-28 16:42:41,846 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-28 16:42:41,847 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-28 16:42:41,847 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-28 16:42:41,847 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-28 16:42:41,847 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-28 16:42:41,847 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-28 16:42:41,847 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-28 16:42:41,847 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-28 16:42:41,847 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,847 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,847 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,848 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,848 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,848 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-28 16:42:41,848 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-28 16:42:41,848 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-28 16:42:41,848 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-28 16:42:41,848 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-28 16:42:41,848 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-28 16:42:41,848 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-28 16:42:41,848 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-28 16:42:41,849 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-28 16:42:41,849 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2018-11-28 16:42:41,849 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-28 16:42:41,849 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-28 16:42:41,849 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,849 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,849 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,849 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,849 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,850 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-28 16:42:41,850 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-28 16:42:41,850 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-28 16:42:41,850 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-28 16:42:41,850 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-28 16:42:41,850 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-28 16:42:41,850 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-28 16:42:41,850 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-28 16:42:41,850 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-28 16:42:41,850 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-28 16:42:41,851 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-28 16:42:41,851 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-28 16:42:41,851 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-28 16:42:41,851 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,851 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,851 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,851 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,851 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,851 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-28 16:42:41,851 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-28 16:42:41,852 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-28 16:42:41,852 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-28 16:42:41,852 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-28 16:42:41,852 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-28 16:42:41,852 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-28 16:42:41,852 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-28 16:42:41,852 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-28 16:42:41,852 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-28 16:42:41,852 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-28 16:42:41,852 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-28 16:42:41,853 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-28 16:42:41,853 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-28 16:42:41,853 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-28 16:42:41,853 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-28 16:42:41,853 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,853 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,853 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,853 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,853 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-28 16:42:41,853 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,853 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-28 16:42:41,854 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,854 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-28 16:42:41,854 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-28 16:42:41,854 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-28 16:42:41,854 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,854 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,854 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-28 16:42:41,854 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-28 16:42:41,854 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-28 16:42:41,854 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-28 16:42:41,855 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-28 16:42:41,855 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-28 16:42:41,855 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-28 16:42:41,855 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-28 16:42:41,855 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-28 16:42:41,855 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-28 16:42:41,855 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-28 16:42:41,855 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,855 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,855 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,855 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,856 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,856 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,856 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-28 16:42:41,856 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-28 16:42:41,856 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-28 16:42:41,856 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-28 16:42:41,856 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-28 16:42:41,856 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-28 16:42:41,856 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-28 16:42:41,857 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-28 16:42:41,857 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-28 16:42:41,857 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-28 16:42:41,857 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-28 16:42:41,857 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,857 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,857 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,857 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,857 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,857 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,857 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-28 16:42:41,858 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-28 16:42:41,858 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-28 16:42:41,858 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-28 16:42:41,858 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-28 16:42:41,858 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-28 16:42:41,858 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-28 16:42:41,858 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-28 16:42:41,858 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-28 16:42:41,858 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-28 16:42:41,858 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-28 16:42:41,859 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-28 16:42:41,859 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-28 16:42:41,859 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-28 16:42:41,859 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,859 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,859 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,859 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse10 (= |old(~a28~0)| ~a28~0)) (.cse13 (= |old(~a19~0)| ~a19~0)) (.cse14 (= ~a11~0 |old(~a11~0)|)) (.cse15 (= |old(~a17~0)| ~a17~0)) (.cse12 (= 1 |old(~a25~0)|))) (let ((.cse4 (not (= 8 |old(~a17~0)|))) (.cse5 (= 1 ~a25~0)) (.cse1 (not .cse12)) (.cse2 (not (= 1 |old(~a19~0)|))) (.cse6 (< |old(~a17~0)| 8)) (.cse11 (not (= ~a25~0 1))) (.cse0 (not (= 1 ~a21~0))) (.cse9 (= 7 |old(~a28~0)|)) (.cse3 (= |old(~a11~0)| |old(~a19~0)|)) (.cse7 (< 8 |old(~a17~0)|)) (.cse8 (and .cse10 .cse13 .cse14 .cse15))) (and (or (or .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) (or .cse0 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse2 .cse4 .cse5 (not (= 9 |old(~a28~0)|))) (or .cse0 (not .cse9) (and .cse10 (= 1 ~a11~0) (= 7 ~a17~0) .cse5 (= 1 ~a19~0)) .cse1 .cse2 (not (= 1 |old(~a11~0)|)) (not (= 7 |old(~a17~0)|))) (or .cse0 .cse6 .cse11 .cse7 .cse12) (or .cse0 .cse9 (and .cse10 .cse13 .cse14 .cse11 .cse15) .cse7 .cse12) (or .cse0 .cse9 (= 10 |old(~a28~0)|) .cse3 .cse7 .cse8)))) [2018-11-28 16:42:41,859 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,860 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,860 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,860 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-28 16:42:41,860 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-28 16:42:41,860 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-28 16:42:41,860 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-28 16:42:41,860 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-28 16:42:41,860 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-28 16:42:41,860 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-28 16:42:41,860 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-28 16:42:41,861 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-28 16:42:41,861 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-28 16:42:41,861 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-28 16:42:41,861 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-28 16:42:41,861 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-28 16:42:41,861 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,861 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,861 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,861 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,861 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,861 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,862 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-28 16:42:41,862 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-28 16:42:41,862 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-28 16:42:41,862 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-28 16:42:41,862 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-28 16:42:41,862 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-28 16:42:41,862 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-28 16:42:41,862 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-28 16:42:41,862 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-28 16:42:41,863 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-28 16:42:41,863 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-28 16:42:41,863 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-28 16:42:41,863 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-28 16:42:41,863 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-28 16:42:41,863 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-28 16:42:41,863 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-28 16:42:41,863 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,863 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,863 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,863 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,864 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:41,864 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-28 16:42:41,864 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-28 16:42:41,864 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-28 16:42:41,864 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-28 16:42:41,864 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-28 16:42:41,864 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-28 16:42:41,864 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-28 16:42:41,864 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-28 16:42:41,864 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-28 16:42:41,865 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-28 16:42:41,865 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-28 16:42:41,865 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-28 16:42:41,865 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-28 16:42:41,865 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-28 16:42:41,865 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-28 16:42:41,865 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-28 16:42:41,865 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-28 16:42:41,865 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-28 16:42:41,865 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-28 16:42:41,865 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 16:42:41,866 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 8 ~a17~0) (not (= ~a25~0 1)) (not (= ~a19~0 ~a11~0)) (= ~a21~0 1) (<= ~a17~0 8) (not (= ~a28~0 10))) [2018-11-28 16:42:41,866 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 16:42:41,866 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 16:42:41,866 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (< |old(~a17~0)| 8) (and (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (not (= ~a25~0 1)) (= |old(~a17~0)| ~a17~0)) (= 10 |old(~a28~0)|) (= |old(~a11~0)| |old(~a19~0)|) (< 8 |old(~a17~0)|) (= 1 |old(~a25~0)|)) [2018-11-28 16:42:41,866 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (= 7 ~a28~0))) (let ((.cse2 (not .cse1)) (.cse0 (<= ~a17~0 8))) (or (not (= 1 ~a21~0)) (< |old(~a17~0)| 8) (= 1 |old(~a25~0)|) (= 10 |old(~a28~0)|) (and (<= 8 ~a17~0) .cse0) (= |old(~a11~0)| |old(~a19~0)|) (and .cse1 (= 1 ~a11~0) (= 7 ~a17~0) (= 1 ~a25~0) (= 1 ~a19~0)) (< 8 |old(~a17~0)|) (and (not (= ~a25~0 1)) .cse2 .cse0) (and .cse2 .cse0 (not (= ~a19~0 ~a11~0)) (not (= ~a28~0 10)))))) [2018-11-28 16:42:41,866 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-28 16:42:41,866 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-28 16:42:41,866 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (= 7 ~a28~0))) (let ((.cse2 (not .cse1)) (.cse0 (<= ~a17~0 8))) (or (not (= 1 ~a21~0)) (< |old(~a17~0)| 8) (= 1 |old(~a25~0)|) (= 10 |old(~a28~0)|) (and (<= 8 ~a17~0) .cse0) (= |old(~a11~0)| |old(~a19~0)|) (and .cse1 (= 1 ~a11~0) (= 7 ~a17~0) (= 1 ~a25~0) (= 1 ~a19~0)) (< 8 |old(~a17~0)|) (and (not (= ~a25~0 1)) .cse2 .cse0) (and .cse2 .cse0 (not (= ~a19~0 ~a11~0)) (not (= ~a28~0 10)))))) [2018-11-28 16:42:41,867 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-28 16:42:41,867 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-28 16:42:41,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:42:41 BoogieIcfgContainer [2018-11-28 16:42:41,892 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 16:42:41,892 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 16:42:41,892 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 16:42:41,893 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 16:42:41,893 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:20" (3/4) ... [2018-11-28 16:42:41,905 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 16:42:41,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 16:42:41,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-28 16:42:41,915 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 16:42:41,949 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 16:42:41,951 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 16:42:41,993 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == a21) || \old(a17) < 8) || 1 == \old(a25)) || 10 == \old(a28)) || (8 <= a17 && a17 <= 8)) || \old(a11) == \old(a19)) || ((((7 == a28 && 1 == a11) && 7 == a17) && 1 == a25) && 1 == a19)) || 8 < \old(a17)) || ((!(a25 == 1) && !(7 == a28)) && a17 <= 8)) || (((!(7 == a28) && a17 <= 8) && !(a19 == a11)) && !(a28 == 10)) [2018-11-28 16:42:42,177 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 16:42:42,181 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 16:42:42,182 INFO L168 Benchmark]: Toolchain (without parser) took 26203.51 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 387.4 MB). Free memory was 948.7 MB in the beginning and 928.0 MB in the end (delta: 20.7 MB). Peak memory consumption was 408.1 MB. Max. memory is 11.5 GB. [2018-11-28 16:42:42,183 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 16:42:42,183 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.24 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 915.1 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2018-11-28 16:42:42,183 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.65 ms. Allocated memory is still 1.0 GB. Free memory is still 915.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 16:42:42,184 INFO L168 Benchmark]: Boogie Preprocessor took 192.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 915.1 MB in the beginning and 1.1 GB in the end (delta: -214.9 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2018-11-28 16:42:42,184 INFO L168 Benchmark]: RCFGBuilder took 3305.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 98.3 MB). Peak memory consumption was 98.3 MB. Max. memory is 11.5 GB. [2018-11-28 16:42:42,185 INFO L168 Benchmark]: TraceAbstraction took 21643.24 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 244.3 MB). Free memory was 1.0 GB in the beginning and 950.4 MB in the end (delta: 81.3 MB). Peak memory consumption was 325.6 MB. Max. memory is 11.5 GB. [2018-11-28 16:42:42,187 INFO L168 Benchmark]: Witness Printer took 288.52 ms. Allocated memory is still 1.4 GB. Free memory was 950.4 MB in the beginning and 928.0 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-11-28 16:42:42,189 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 710.24 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 915.1 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.65 ms. Allocated memory is still 1.0 GB. Free memory is still 915.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 192.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 915.1 MB in the beginning and 1.1 GB in the end (delta: -214.9 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3305.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 98.3 MB). Peak memory consumption was 98.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21643.24 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 244.3 MB). Free memory was 1.0 GB in the beginning and 950.4 MB in the end (delta: 81.3 MB). Peak memory consumption was 325.6 MB. Max. memory is 11.5 GB. * Witness Printer took 288.52 ms. Allocated memory is still 1.4 GB. Free memory was 950.4 MB in the beginning and 928.0 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 535]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((!(1 == a21) || \old(a17) < 8) || 1 == \old(a25)) || 10 == \old(a28)) || (8 <= a17 && a17 <= 8)) || \old(a11) == \old(a19)) || ((((7 == a28 && 1 == a11) && 7 == a17) && 1 == a25) && 1 == a19)) || 8 < \old(a17)) || ((!(a25 == 1) && !(7 == a28)) && a17 <= 8)) || (((!(7 == a28) && a17 <= 8) && !(a19 == a11)) && !(a28 == 10)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 21.5s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 13.7s AutomataDifference, 0.0s DeadEndRemovalTime, 2.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 435 SDtfs, 4097 SDslu, 365 SDs, 0 SdLazy, 4966 SolverSat, 963 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 414 GetRequests, 365 SyntacticMatches, 9 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1968occurred in iteration=5, 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, 8 MinimizatonAttempts, 251 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 92 PreInvPairs, 150 NumberOfFragments, 420 HoareAnnotationTreeSize, 92 FomulaSimplifications, 9658 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2258 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1524 NumberOfCodeBlocks, 1524 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1514 ConstructedInterpolants, 0 QuantifiedInterpolants, 1163409 SizeOfPredicates, 3 NumberOfNonLiveVariables, 795 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 185/235 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...