./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem01_label30_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/Problem01_label30_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 cc1563f4697cf21aca476a1aac04fcd8ee81163f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:41:28,306 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 16:41:28,308 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 16:41:28,322 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 16:41:28,322 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 16:41:28,323 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 16:41:28,325 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 16:41:28,327 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 16:41:28,328 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 16:41:28,329 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 16:41:28,330 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 16:41:28,331 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 16:41:28,332 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 16:41:28,333 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 16:41:28,334 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 16:41:28,335 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 16:41:28,336 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 16:41:28,338 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 16:41:28,340 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 16:41:28,342 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 16:41:28,343 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 16:41:28,344 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 16:41:28,350 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 16:41:28,350 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 16:41:28,351 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 16:41:28,352 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 16:41:28,354 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 16:41:28,356 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 16:41:28,357 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 16:41:28,360 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 16:41:28,360 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 16:41:28,361 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 16:41:28,361 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 16:41:28,361 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 16:41:28,362 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 16:41:28,364 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 16:41:28,364 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 16:41:28,383 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 16:41:28,385 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 16:41:28,386 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 16:41:28,386 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 16:41:28,386 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 16:41:28,387 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 16:41:28,387 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 16:41:28,387 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 16:41:28,387 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 16:41:28,387 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 16:41:28,388 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 16:41:28,388 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 16:41:28,388 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 16:41:28,388 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 16:41:28,388 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 16:41:28,388 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 16:41:28,390 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 16:41:28,390 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 16:41:28,390 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 16:41:28,391 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 16:41:28,391 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 16:41:28,391 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 16:41:28,391 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 16:41:28,391 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 16:41:28,392 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 16:41:28,393 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 16:41:28,393 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 16:41:28,393 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 16:41:28,393 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 16:41:28,393 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 16:41:28,394 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 -> cc1563f4697cf21aca476a1aac04fcd8ee81163f [2018-11-28 16:41:28,433 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 16:41:28,446 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 16:41:28,450 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 16:41:28,451 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 16:41:28,452 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 16:41:28,453 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem01_label30_true-unreach-call_false-termination.c [2018-11-28 16:41:28,513 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27eb02c41/799d9436c7684807848ecdc8cb093a74/FLAG330d4b8df [2018-11-28 16:41:29,056 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 16:41:29,057 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem01_label30_true-unreach-call_false-termination.c [2018-11-28 16:41:29,078 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27eb02c41/799d9436c7684807848ecdc8cb093a74/FLAG330d4b8df [2018-11-28 16:41:29,314 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27eb02c41/799d9436c7684807848ecdc8cb093a74 [2018-11-28 16:41:29,318 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 16:41:29,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 16:41:29,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 16:41:29,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 16:41:29,325 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 16:41:29,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:41:29" (1/1) ... [2018-11-28 16:41:29,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ebc4df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:29, skipping insertion in model container [2018-11-28 16:41:29,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:41:29" (1/1) ... [2018-11-28 16:41:29,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 16:41:29,410 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 16:41:29,897 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:41:29,913 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 16:41:30,060 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:41:30,086 INFO L195 MainTranslator]: Completed translation [2018-11-28 16:41:30,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:30 WrapperNode [2018-11-28 16:41:30,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 16:41:30,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 16:41:30,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 16:41:30,088 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 16:41:30,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:30" (1/1) ... [2018-11-28 16:41:30,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:30" (1/1) ... [2018-11-28 16:41:30,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 16:41:30,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 16:41:30,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 16:41:30,252 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 16:41:30,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:30" (1/1) ... [2018-11-28 16:41:30,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:30" (1/1) ... [2018-11-28 16:41:30,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:30" (1/1) ... [2018-11-28 16:41:30,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:30" (1/1) ... [2018-11-28 16:41:30,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:30" (1/1) ... [2018-11-28 16:41:30,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:30" (1/1) ... [2018-11-28 16:41:30,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:30" (1/1) ... [2018-11-28 16:41:30,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 16:41:30,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 16:41:30,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 16:41:30,363 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 16:41:30,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:30" (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 16:41:30,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 16:41:30,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 16:41:30,463 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-28 16:41:30,463 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-28 16:41:30,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 16:41:30,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 16:41:30,464 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 16:41:30,464 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 16:41:33,845 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 16:41:33,846 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 16:41:33,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:33 BoogieIcfgContainer [2018-11-28 16:41:33,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 16:41:33,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 16:41:33,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 16:41:33,851 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 16:41:33,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:41:29" (1/3) ... [2018-11-28 16:41:33,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c7df139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:41:33, skipping insertion in model container [2018-11-28 16:41:33,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:30" (2/3) ... [2018-11-28 16:41:33,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c7df139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:41:33, skipping insertion in model container [2018-11-28 16:41:33,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:33" (3/3) ... [2018-11-28 16:41:33,855 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label30_true-unreach-call_false-termination.c [2018-11-28 16:41:33,866 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 16:41:33,876 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 16:41:33,895 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 16:41:33,933 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 16:41:33,933 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 16:41:33,934 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 16:41:33,934 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 16:41:33,934 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 16:41:33,934 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 16:41:33,934 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 16:41:33,934 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 16:41:33,935 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 16:41:33,962 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-28 16:41:33,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-28 16:41:33,977 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:41:33,979 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:41:33,981 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:41:33,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:41:33,988 INFO L82 PathProgramCache]: Analyzing trace with hash -152148385, now seen corresponding path program 1 times [2018-11-28 16:41:33,990 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:41:33,990 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:41:34,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:34,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:34,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:34,848 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 16:41:34,852 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:41:34,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 16:41:34,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 16:41:34,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 16:41:34,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 16:41:34,882 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2018-11-28 16:41:37,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:41:37,228 INFO L93 Difference]: Finished difference Result 698 states and 1223 transitions. [2018-11-28 16:41:37,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 16:41:37,234 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2018-11-28 16:41:37,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:41:37,255 INFO L225 Difference]: With dead ends: 698 [2018-11-28 16:41:37,255 INFO L226 Difference]: Without dead ends: 413 [2018-11-28 16:41:37,263 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 16:41:37,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2018-11-28 16:41:37,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 278. [2018-11-28 16:41:37,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-11-28 16:41:37,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 406 transitions. [2018-11-28 16:41:37,338 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 406 transitions. Word has length 131 [2018-11-28 16:41:37,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:41:37,339 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 406 transitions. [2018-11-28 16:41:37,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 16:41:37,340 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 406 transitions. [2018-11-28 16:41:37,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-28 16:41:37,345 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:41:37,346 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, 1, 1, 1, 1] [2018-11-28 16:41:37,346 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:41:37,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:41:37,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1159631208, now seen corresponding path program 1 times [2018-11-28 16:41:37,347 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:41:37,347 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:41:37,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:37,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:37,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:37,534 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 16:41:37,535 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:41:37,535 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 16:41:37,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 16:41:37,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 16:41:37,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 16:41:37,539 INFO L87 Difference]: Start difference. First operand 278 states and 406 transitions. Second operand 6 states. [2018-11-28 16:41:38,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:41:38,817 INFO L93 Difference]: Finished difference Result 703 states and 1045 transitions. [2018-11-28 16:41:38,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 16:41:38,821 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2018-11-28 16:41:38,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:41:38,828 INFO L225 Difference]: With dead ends: 703 [2018-11-28 16:41:38,829 INFO L226 Difference]: Without dead ends: 431 [2018-11-28 16:41:38,833 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 16:41:38,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-11-28 16:41:38,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 417. [2018-11-28 16:41:38,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2018-11-28 16:41:38,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 597 transitions. [2018-11-28 16:41:38,868 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 597 transitions. Word has length 141 [2018-11-28 16:41:38,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:41:38,869 INFO L480 AbstractCegarLoop]: Abstraction has 417 states and 597 transitions. [2018-11-28 16:41:38,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 16:41:38,869 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 597 transitions. [2018-11-28 16:41:38,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-28 16:41:38,873 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:41:38,874 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:41:38,874 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:41:38,874 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:41:38,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1563736858, now seen corresponding path program 1 times [2018-11-28 16:41:38,875 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:41:38,875 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:41:38,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:38,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:38,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:39,247 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:41:39,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:41:39,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 16:41:39,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 16:41:39,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 16:41:39,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:41:39,249 INFO L87 Difference]: Start difference. First operand 417 states and 597 transitions. Second operand 5 states. [2018-11-28 16:41:40,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:41:40,578 INFO L93 Difference]: Finished difference Result 927 states and 1352 transitions. [2018-11-28 16:41:40,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 16:41:40,579 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2018-11-28 16:41:40,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:41:40,586 INFO L225 Difference]: With dead ends: 927 [2018-11-28 16:41:40,586 INFO L226 Difference]: Without dead ends: 415 [2018-11-28 16:41:40,588 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:41:40,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2018-11-28 16:41:40,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2018-11-28 16:41:40,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2018-11-28 16:41:40,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 545 transitions. [2018-11-28 16:41:40,613 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 545 transitions. Word has length 142 [2018-11-28 16:41:40,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:41:40,614 INFO L480 AbstractCegarLoop]: Abstraction has 415 states and 545 transitions. [2018-11-28 16:41:40,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 16:41:40,614 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 545 transitions. [2018-11-28 16:41:40,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-28 16:41:40,618 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:41:40,618 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:41:40,619 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:41:40,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:41:40,619 INFO L82 PathProgramCache]: Analyzing trace with hash -77416850, now seen corresponding path program 1 times [2018-11-28 16:41:40,619 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:41:40,619 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:41:40,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:40,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:40,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:40,830 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:41:40,830 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:41:40,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 16:41:40,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 16:41:40,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 16:41:40,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:41:40,832 INFO L87 Difference]: Start difference. First operand 415 states and 545 transitions. Second operand 3 states. [2018-11-28 16:41:42,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:41:42,150 INFO L93 Difference]: Finished difference Result 1231 states and 1647 transitions. [2018-11-28 16:41:42,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 16:41:42,151 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2018-11-28 16:41:42,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:41:42,157 INFO L225 Difference]: With dead ends: 1231 [2018-11-28 16:41:42,157 INFO L226 Difference]: Without dead ends: 822 [2018-11-28 16:41:42,159 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:41:42,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2018-11-28 16:41:42,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 822. [2018-11-28 16:41:42,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 822 states. [2018-11-28 16:41:42,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 1060 transitions. [2018-11-28 16:41:42,201 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 1060 transitions. Word has length 146 [2018-11-28 16:41:42,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:41:42,202 INFO L480 AbstractCegarLoop]: Abstraction has 822 states and 1060 transitions. [2018-11-28 16:41:42,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 16:41:42,202 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1060 transitions. [2018-11-28 16:41:42,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-28 16:41:42,208 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:41:42,209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:41:42,209 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:41:42,209 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:41:42,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1784447858, now seen corresponding path program 1 times [2018-11-28 16:41:42,210 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:41:42,211 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:41:42,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:42,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:42,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:42,457 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 16:41:42,838 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:41:42,839 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:41:42,839 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 16:41:42,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 16:41:42,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 16:41:42,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 16:41:42,841 INFO L87 Difference]: Start difference. First operand 822 states and 1060 transitions. Second operand 6 states. [2018-11-28 16:41:44,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:41:44,102 INFO L93 Difference]: Finished difference Result 2083 states and 2796 transitions. [2018-11-28 16:41:44,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 16:41:44,106 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2018-11-28 16:41:44,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:41:44,115 INFO L225 Difference]: With dead ends: 2083 [2018-11-28 16:41:44,115 INFO L226 Difference]: Without dead ends: 1267 [2018-11-28 16:41:44,119 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 16:41:44,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1267 states. [2018-11-28 16:41:44,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1267 to 1112. [2018-11-28 16:41:44,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1112 states. [2018-11-28 16:41:44,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1401 transitions. [2018-11-28 16:41:44,167 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1401 transitions. Word has length 162 [2018-11-28 16:41:44,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:41:44,167 INFO L480 AbstractCegarLoop]: Abstraction has 1112 states and 1401 transitions. [2018-11-28 16:41:44,168 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 16:41:44,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1401 transitions. [2018-11-28 16:41:44,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-28 16:41:44,173 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:41:44,174 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:41:44,174 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:41:44,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:41:44,174 INFO L82 PathProgramCache]: Analyzing trace with hash 800655393, now seen corresponding path program 1 times [2018-11-28 16:41:44,174 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:41:44,175 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:41:44,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:44,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:44,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:44,449 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:41:44,449 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 16:41:44,450 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 16:41:44,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:44,588 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 16:41:44,873 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:41:44,904 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 16:41:44,905 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-28 16:41:44,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 16:41:44,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 16:41:44,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-11-28 16:41:44,906 INFO L87 Difference]: Start difference. First operand 1112 states and 1401 transitions. Second operand 9 states. [2018-11-28 16:41:46,749 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-28 16:41:48,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:41:48,629 INFO L93 Difference]: Finished difference Result 3116 states and 4112 transitions. [2018-11-28 16:41:48,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 16:41:48,630 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 174 [2018-11-28 16:41:48,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:41:48,648 INFO L225 Difference]: With dead ends: 3116 [2018-11-28 16:41:48,648 INFO L226 Difference]: Without dead ends: 2010 [2018-11-28 16:41:48,653 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2018-11-28 16:41:48,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2010 states. [2018-11-28 16:41:48,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2010 to 1807. [2018-11-28 16:41:48,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1807 states. [2018-11-28 16:41:48,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1807 states to 1807 states and 2246 transitions. [2018-11-28 16:41:48,761 INFO L78 Accepts]: Start accepts. Automaton has 1807 states and 2246 transitions. Word has length 174 [2018-11-28 16:41:48,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:41:48,761 INFO L480 AbstractCegarLoop]: Abstraction has 1807 states and 2246 transitions. [2018-11-28 16:41:48,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 16:41:48,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 2246 transitions. [2018-11-28 16:41:48,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-28 16:41:48,770 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:41:48,770 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:41:48,770 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:41:48,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:41:48,770 INFO L82 PathProgramCache]: Analyzing trace with hash 293137055, now seen corresponding path program 1 times [2018-11-28 16:41:48,772 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:41:48,772 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:41:48,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:48,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:48,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:49,050 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:41:49,050 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 16:41:49,050 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 16:41:49,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:49,148 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 16:41:49,235 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-28 16:41:49,255 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 16:41:49,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-28 16:41:49,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 16:41:49,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 16:41:49,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-28 16:41:49,256 INFO L87 Difference]: Start difference. First operand 1807 states and 2246 transitions. Second operand 8 states. [2018-11-28 16:41:52,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:41:52,751 INFO L93 Difference]: Finished difference Result 3966 states and 5097 transitions. [2018-11-28 16:41:52,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-28 16:41:52,752 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 177 [2018-11-28 16:41:52,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:41:52,753 INFO L225 Difference]: With dead ends: 3966 [2018-11-28 16:41:52,753 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 16:41:52,762 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2018-11-28 16:41:52,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 16:41:52,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 16:41:52,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 16:41:52,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 16:41:52,763 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 177 [2018-11-28 16:41:52,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:41:52,763 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 16:41:52,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 16:41:52,763 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 16:41:52,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 16:41:52,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 16:41:52,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:52,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:53,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:53,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:53,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:53,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:53,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:53,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:53,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:53,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:53,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:41:53,492 WARN L180 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2018-11-28 16:41:54,021 WARN L180 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2018-11-28 16:41:54,614 WARN L180 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2018-11-28 16:41:54,905 WARN L180 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 53 [2018-11-28 16:41:55,225 WARN L180 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 53 [2018-11-28 16:41:55,229 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 16:41:55,229 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|) (<= ~a7~0 |old(~a7~0)|)) [2018-11-28 16:41:55,229 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 16:41:55,229 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-28 16:41:55,229 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-28 16:41:55,230 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,231 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,231 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,231 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,231 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,231 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,232 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-28 16:41:55,233 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-28 16:41:55,233 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-28 16:41:55,233 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-28 16:41:55,233 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-28 16:41:55,233 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-28 16:41:55,233 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-28 16:41:55,233 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-28 16:41:55,233 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-28 16:41:55,234 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-28 16:41:55,235 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,235 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,236 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,236 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,236 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,236 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,236 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-28 16:41:55,236 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-28 16:41:55,236 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-28 16:41:55,236 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-28 16:41:55,236 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-28 16:41:55,237 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-28 16:41:55,237 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-28 16:41:55,237 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-28 16:41:55,237 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-28 16:41:55,237 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-28 16:41:55,237 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-28 16:41:55,237 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-28 16:41:55,237 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-28 16:41:55,237 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-28 16:41:55,237 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-28 16:41:55,238 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,238 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,238 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,238 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,238 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,238 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-28 16:41:55,238 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-28 16:41:55,238 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-28 16:41:55,238 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-28 16:41:55,238 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-28 16:41:55,239 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-28 16:41:55,243 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-28 16:41:55,243 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-28 16:41:55,243 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-28 16:41:55,243 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,243 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,243 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,243 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,243 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,244 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-28 16:41:55,244 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-28 16:41:55,244 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-28 16:41:55,244 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-28 16:41:55,244 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-28 16:41:55,244 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-28 16:41:55,244 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-28 16:41:55,244 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-28 16:41:55,244 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-28 16:41:55,244 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-28 16:41:55,244 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-28 16:41:55,244 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-28 16:41:55,244 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-28 16:41:55,244 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,244 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,244 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,245 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,245 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,245 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-28 16:41:55,245 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-28 16:41:55,245 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-28 16:41:55,245 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-28 16:41:55,245 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-28 16:41:55,245 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-28 16:41:55,245 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-28 16:41:55,245 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-28 16:41:55,245 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-28 16:41:55,245 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,245 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,245 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,245 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,245 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,247 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,247 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-28 16:41:55,247 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,247 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-28 16:41:55,247 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-28 16:41:55,247 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-28 16:41:55,247 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-28 16:41:55,247 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-28 16:41:55,247 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-28 16:41:55,247 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-28 16:41:55,248 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-28 16:41:55,248 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-28 16:41:55,248 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-28 16:41:55,248 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-28 16:41:55,248 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-28 16:41:55,248 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-28 16:41:55,248 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,248 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,248 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,248 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,249 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,249 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-28 16:41:55,249 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-28 16:41:55,249 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-28 16:41:55,249 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-28 16:41:55,249 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-28 16:41:55,249 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-28 16:41:55,249 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-28 16:41:55,249 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-28 16:41:55,249 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,249 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,250 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,250 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,250 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,250 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-28 16:41:55,250 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-28 16:41:55,250 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-28 16:41:55,250 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-28 16:41:55,250 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-28 16:41:55,250 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-28 16:41:55,250 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-28 16:41:55,251 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-28 16:41:55,251 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-28 16:41:55,251 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-28 16:41:55,251 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 551) no Hoare annotation was computed. [2018-11-28 16:41:55,251 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse12 (= 1 |old(~a17~0)|))) (let ((.cse9 (not (= 1 |old(~a20~0)|))) (.cse3 (and (= |old(~a7~0)| |old(~a17~0)|) .cse12)) (.cse4 (not (= 8 ~a12~0))) (.cse13 (= |old(~a8~0)| ~a8~0)) (.cse14 (= ~a17~0 |old(~a17~0)|)) (.cse10 (= |old(~a16~0)| ~a16~0)) (.cse11 (= 1 ~a17~0)) (.cse15 (= ~a20~0 |old(~a20~0)|)) (.cse16 (= ~a21~0 |old(~a21~0)|)) (.cse17 (<= ~a7~0 |old(~a7~0)|))) (let ((.cse2 (and .cse13 .cse14 .cse10 (or (not (= ~a7~0 ~a17~0)) (not .cse11)) .cse15 .cse16 .cse17)) (.cse6 (or .cse9 .cse3 .cse4)) (.cse1 (not (= 1 |old(~a21~0)|))) (.cse5 (= 13 |old(~a8~0)|)) (.cse0 (= 6 |old(~a16~0)|)) (.cse7 (< 0 |old(~a21~0)|)) (.cse8 (and .cse13 .cse14 .cse10 .cse15 .cse16 .cse17))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4 .cse2) (or .cse6 .cse2 .cse7) (or (or .cse1 .cse6 (< 0 |old(~a7~0)|)) .cse8) (or .cse1 .cse9 (not (= 4 |old(~a16~0)|)) (and (= 1 ~a7~0) (= 1 ~a20~0) (= 13 ~a8~0) .cse10 (= 1 ~a21~0) .cse11) .cse4 (not (= 1 |old(~a7~0)|)) (not .cse5) (not .cse12)) (or .cse0 .cse4 .cse7 .cse8))))) [2018-11-28 16:41:55,251 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-28 16:41:55,252 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,252 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,252 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,252 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,252 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-28 16:41:55,252 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,252 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,252 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-28 16:41:55,252 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-28 16:41:55,252 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-28 16:41:55,252 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-28 16:41:55,253 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-28 16:41:55,253 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-28 16:41:55,253 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-28 16:41:55,253 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-28 16:41:55,253 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-28 16:41:55,253 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-28 16:41:55,253 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-28 16:41:55,253 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-28 16:41:55,253 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,253 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,254 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,254 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,254 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,254 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-28 16:41:55,254 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,254 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-28 16:41:55,254 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-28 16:41:55,254 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-28 16:41:55,254 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-28 16:41:55,254 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-28 16:41:55,256 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-28 16:41:55,256 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-28 16:41:55,257 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-28 16:41:55,257 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-28 16:41:55,257 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-28 16:41:55,258 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-28 16:41:55,258 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-28 16:41:55,258 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-28 16:41:55,258 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-28 16:41:55,258 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,258 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,258 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,258 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,258 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,258 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:55,258 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-28 16:41:55,259 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-28 16:41:55,259 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-28 16:41:55,259 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-28 16:41:55,259 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-28 16:41:55,259 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-28 16:41:55,259 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-28 16:41:55,259 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-28 16:41:55,259 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-28 16:41:55,259 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-28 16:41:55,259 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 16:41:55,263 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a20~0) (not (= ~a16~0 6)) (= 1 ~a21~0) (= ~a12~0 8) (<= ~a7~0 0) (not (= ~a8~0 13)) (= 1 ~a17~0)) [2018-11-28 16:41:55,263 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 16:41:55,264 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 16:41:55,264 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (= 13 |old(~a8~0)|) (not (= 8 ~a12~0)) (and (= |old(~a16~0)| ~a16~0) (<= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= 1 ~a21~0) (= ~a20~0 |old(~a20~0)|)) (< 0 |old(~a7~0)|) (not (= 1 |old(~a17~0)|))) [2018-11-28 16:41:55,264 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-28 16:41:55,264 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (<= ~a21~0 0)) (.cse4 (not (= ~a16~0 6))) (.cse2 (or (not (= ~a7~0 ~a17~0)) (not (= 1 ~a17~0)))) (.cse1 (= 1 ~a20~0)) (.cse3 (= 1 ~a21~0))) (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 13 |old(~a8~0)|) (and .cse0 .cse1 .cse2) (and .cse2 .cse3 (not (= ~a8~0 13))) (not (= 8 ~a12~0)) (and .cse0 .cse4) (not (= 1 |old(~a17~0)|)) (not (= 1 |old(~a20~0)|)) (and .cse1 (= 13 ~a8~0) (= 4 ~a16~0) .cse3) (and .cse4 .cse2 .cse3) (< 0 |old(~a7~0)|) (and .cse1 .cse3 (<= ~a7~0 0)))) [2018-11-28 16:41:55,264 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-28 16:41:55,264 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-28 16:41:55,264 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (<= ~a21~0 0)) (.cse4 (not (= ~a16~0 6))) (.cse2 (or (not (= ~a7~0 ~a17~0)) (not (= 1 ~a17~0)))) (.cse1 (= 1 ~a20~0)) (.cse3 (= 1 ~a21~0))) (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 13 |old(~a8~0)|) (and .cse0 .cse1 .cse2) (and .cse2 .cse3 (not (= ~a8~0 13))) (not (= 8 ~a12~0)) (and .cse0 .cse4) (not (= 1 |old(~a17~0)|)) (not (= 1 |old(~a20~0)|)) (and .cse1 (= 13 ~a8~0) (= 4 ~a16~0) .cse3) (and .cse4 .cse2 .cse3) (< 0 |old(~a7~0)|) (and .cse1 .cse3 (<= ~a7~0 0)))) [2018-11-28 16:41:55,265 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-28 16:41:55,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:41:55 BoogieIcfgContainer [2018-11-28 16:41:55,301 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 16:41:55,301 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 16:41:55,301 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 16:41:55,301 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 16:41:55,302 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:33" (3/4) ... [2018-11-28 16:41:55,308 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 16:41:55,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 16:41:55,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-28 16:41:55,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 16:41:55,349 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 16:41:55,350 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 16:41:55,392 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((6 == \old(a16) || !(1 == \old(a21))) || 13 == \old(a8)) || ((a21 <= 0 && 1 == a20) && (!(a7 == a17) || !(1 == a17)))) || (((!(a7 == a17) || !(1 == a17)) && 1 == a21) && !(a8 == 13))) || !(8 == a12)) || (a21 <= 0 && !(a16 == 6))) || !(1 == \old(a17))) || !(1 == \old(a20))) || (((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21)) || ((!(a16 == 6) && (!(a7 == a17) || !(1 == a17))) && 1 == a21)) || 0 < \old(a7)) || ((1 == a20 && 1 == a21) && a7 <= 0) [2018-11-28 16:41:55,561 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 16:41:55,562 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 16:41:55,563 INFO L168 Benchmark]: Toolchain (without parser) took 26244.45 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 377.0 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -135.1 MB). Peak memory consumption was 241.9 MB. Max. memory is 11.5 GB. [2018-11-28 16:41:55,564 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 16:41:55,564 INFO L168 Benchmark]: CACSL2BoogieTranslator took 766.47 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 909.8 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2018-11-28 16:41:55,565 INFO L168 Benchmark]: Boogie Procedure Inliner took 163.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 909.8 MB in the beginning and 1.1 GB in the end (delta: -221.8 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2018-11-28 16:41:55,565 INFO L168 Benchmark]: Boogie Preprocessor took 110.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 16:41:55,565 INFO L168 Benchmark]: RCFGBuilder took 3484.17 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: 100.4 MB). Peak memory consumption was 100.4 MB. Max. memory is 11.5 GB. [2018-11-28 16:41:55,568 INFO L168 Benchmark]: TraceAbstraction took 21453.18 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 231.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -63.6 MB). Peak memory consumption was 168.2 MB. Max. memory is 11.5 GB. [2018-11-28 16:41:55,568 INFO L168 Benchmark]: Witness Printer took 260.62 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2018-11-28 16:41:55,571 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 766.47 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 909.8 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 163.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 909.8 MB in the beginning and 1.1 GB in the end (delta: -221.8 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 110.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 3484.17 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: 100.4 MB). Peak memory consumption was 100.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21453.18 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 231.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -63.6 MB). Peak memory consumption was 168.2 MB. Max. memory is 11.5 GB. * Witness Printer took 260.62 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 551]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((6 == \old(a16) || !(1 == \old(a21))) || 13 == \old(a8)) || ((a21 <= 0 && 1 == a20) && (!(a7 == a17) || !(1 == a17)))) || (((!(a7 == a17) || !(1 == a17)) && 1 == a21) && !(a8 == 13))) || !(8 == a12)) || (a21 <= 0 && !(a16 == 6))) || !(1 == \old(a17))) || !(1 == \old(a20))) || (((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21)) || ((!(a16 == 6) && (!(a7 == a17) || !(1 == a17))) && 1 == a21)) || 0 < \old(a7)) || ((1 == a20 && 1 == a21) && a7 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 21.3s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 14.8s AutomataDifference, 0.0s DeadEndRemovalTime, 2.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 203 SDtfs, 3201 SDslu, 343 SDs, 0 SdLazy, 4790 SolverSat, 856 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 435 GetRequests, 374 SyntacticMatches, 5 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1807occurred in iteration=6, 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: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 507 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 67 PreInvPairs, 117 NumberOfFragments, 574 HoareAnnotationTreeSize, 67 FomulaSimplifications, 9577 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1885 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1424 NumberOfCodeBlocks, 1424 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1415 ConstructedInterpolants, 0 QuantifiedInterpolants, 885035 SizeOfPredicates, 3 NumberOfNonLiveVariables, 915 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 230/263 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...