./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem02_label53_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/eca-rers2012/Problem02_label53_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 cae8686038ca87cfc982771df117a4c5585b00bb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:43:32,202 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 16:43:32,204 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 16:43:32,216 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 16:43:32,216 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 16:43:32,217 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 16:43:32,219 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 16:43:32,220 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 16:43:32,222 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 16:43:32,223 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 16:43:32,224 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 16:43:32,224 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 16:43:32,225 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 16:43:32,226 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 16:43:32,227 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 16:43:32,228 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 16:43:32,229 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 16:43:32,230 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 16:43:32,233 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 16:43:32,234 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 16:43:32,235 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 16:43:32,237 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 16:43:32,239 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 16:43:32,239 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 16:43:32,240 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 16:43:32,241 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 16:43:32,242 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 16:43:32,243 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 16:43:32,244 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 16:43:32,245 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 16:43:32,247 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 16:43:32,248 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 16:43:32,248 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 16:43:32,248 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 16:43:32,249 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 16:43:32,252 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 16:43:32,253 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 16:43:32,282 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 16:43:32,283 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 16:43:32,284 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 16:43:32,285 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 16:43:32,285 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 16:43:32,286 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 16:43:32,286 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 16:43:32,286 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 16:43:32,286 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 16:43:32,286 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 16:43:32,286 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 16:43:32,288 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 16:43:32,288 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 16:43:32,288 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 16:43:32,288 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 16:43:32,289 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 16:43:32,290 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 16:43:32,290 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 16:43:32,290 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 16:43:32,291 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 16:43:32,293 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 16:43:32,293 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 16:43:32,293 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 16:43:32,293 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 16:43:32,294 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 16:43:32,294 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 16:43:32,294 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 16:43:32,294 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 16:43:32,294 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 16:43:32,294 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 16:43:32,295 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 -> cae8686038ca87cfc982771df117a4c5585b00bb [2018-11-28 16:43:32,343 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 16:43:32,356 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 16:43:32,360 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 16:43:32,361 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 16:43:32,361 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 16:43:32,362 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem02_label53_true-unreach-call_false-termination.c [2018-11-28 16:43:32,426 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c44d62a03/7d4f3313300449999260c4bfcf443b05/FLAG0215492c0 [2018-11-28 16:43:33,032 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 16:43:33,033 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem02_label53_true-unreach-call_false-termination.c [2018-11-28 16:43:33,052 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c44d62a03/7d4f3313300449999260c4bfcf443b05/FLAG0215492c0 [2018-11-28 16:43:33,248 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c44d62a03/7d4f3313300449999260c4bfcf443b05 [2018-11-28 16:43:33,252 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 16:43:33,253 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 16:43:33,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 16:43:33,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 16:43:33,259 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 16:43:33,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:33" (1/1) ... [2018-11-28 16:43:33,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3707420d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:33, skipping insertion in model container [2018-11-28 16:43:33,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:33" (1/1) ... [2018-11-28 16:43:33,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 16:43:33,330 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 16:43:33,839 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:43:33,849 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 16:43:33,980 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:43:33,999 INFO L195 MainTranslator]: Completed translation [2018-11-28 16:43:33,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:33 WrapperNode [2018-11-28 16:43:34,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 16:43:34,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 16:43:34,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 16:43:34,001 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 16:43:34,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:33" (1/1) ... [2018-11-28 16:43:34,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:33" (1/1) ... [2018-11-28 16:43:34,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 16:43:34,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 16:43:34,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 16:43:34,113 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 16:43:34,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:33" (1/1) ... [2018-11-28 16:43:34,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:33" (1/1) ... [2018-11-28 16:43:34,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:33" (1/1) ... [2018-11-28 16:43:34,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:33" (1/1) ... [2018-11-28 16:43:34,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:33" (1/1) ... [2018-11-28 16:43:34,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:33" (1/1) ... [2018-11-28 16:43:34,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:33" (1/1) ... [2018-11-28 16:43:34,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 16:43:34,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 16:43:34,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 16:43:34,213 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 16:43:34,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:33" (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 16:43:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 16:43:34,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 16:43:34,282 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-28 16:43:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-28 16:43:34,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 16:43:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 16:43:34,282 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 16:43:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 16:43:37,343 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 16:43:37,343 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 16:43:37,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:37 BoogieIcfgContainer [2018-11-28 16:43:37,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 16:43:37,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 16:43:37,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 16:43:37,349 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 16:43:37,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:43:33" (1/3) ... [2018-11-28 16:43:37,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58af9e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:43:37, skipping insertion in model container [2018-11-28 16:43:37,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:33" (2/3) ... [2018-11-28 16:43:37,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58af9e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:43:37, skipping insertion in model container [2018-11-28 16:43:37,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:37" (3/3) ... [2018-11-28 16:43:37,355 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label53_true-unreach-call_false-termination.c [2018-11-28 16:43:37,365 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 16:43:37,373 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 16:43:37,391 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 16:43:37,428 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 16:43:37,429 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 16:43:37,430 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 16:43:37,430 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 16:43:37,430 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 16:43:37,430 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 16:43:37,430 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 16:43:37,430 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 16:43:37,431 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 16:43:37,465 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-28 16:43:37,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-28 16:43:37,484 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:43:37,485 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:43:37,488 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:43:37,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:43:37,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1422395146, now seen corresponding path program 1 times [2018-11-28 16:43:37,496 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:43:37,497 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:43:37,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:43:37,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:43:37,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:43:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:43:38,160 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 16:43:38,335 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 16:43:38,338 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:43:38,338 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 16:43:38,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 16:43:38,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 16:43:38,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:43:38,364 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-28 16:43:39,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:43:39,817 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-11-28 16:43:39,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 16:43:39,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2018-11-28 16:43:39,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:43:39,840 INFO L225 Difference]: With dead ends: 618 [2018-11-28 16:43:39,841 INFO L226 Difference]: Without dead ends: 320 [2018-11-28 16:43:39,847 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:43:39,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-11-28 16:43:39,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-11-28 16:43:39,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-11-28 16:43:39,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 465 transitions. [2018-11-28 16:43:39,928 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 465 transitions. Word has length 144 [2018-11-28 16:43:39,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:43:39,929 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 465 transitions. [2018-11-28 16:43:39,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 16:43:39,930 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 465 transitions. [2018-11-28 16:43:39,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-28 16:43:39,936 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:43:39,937 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:43:39,937 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:43:39,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:43:39,939 INFO L82 PathProgramCache]: Analyzing trace with hash 339587089, now seen corresponding path program 1 times [2018-11-28 16:43:39,939 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:43:39,939 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:43:39,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:43:39,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:43:39,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:43:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:43:40,385 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:43:40,385 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:43:40,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 16:43:40,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 16:43:40,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 16:43:40,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:43:40,388 INFO L87 Difference]: Start difference. First operand 320 states and 465 transitions. Second operand 5 states. [2018-11-28 16:43:41,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:43:41,828 INFO L93 Difference]: Finished difference Result 721 states and 1089 transitions. [2018-11-28 16:43:41,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 16:43:41,829 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2018-11-28 16:43:41,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:43:41,833 INFO L225 Difference]: With dead ends: 721 [2018-11-28 16:43:41,833 INFO L226 Difference]: Without dead ends: 320 [2018-11-28 16:43:41,835 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 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 16:43:41,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-11-28 16:43:41,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-11-28 16:43:41,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-11-28 16:43:41,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 461 transitions. [2018-11-28 16:43:41,860 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 461 transitions. Word has length 152 [2018-11-28 16:43:41,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:43:41,860 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 461 transitions. [2018-11-28 16:43:41,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 16:43:41,861 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 461 transitions. [2018-11-28 16:43:41,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-28 16:43:41,864 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:43:41,864 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:43:41,864 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:43:41,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:43:41,865 INFO L82 PathProgramCache]: Analyzing trace with hash -84143163, now seen corresponding path program 1 times [2018-11-28 16:43:41,865 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:43:41,865 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:43:41,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:43:41,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:43:41,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:43:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:43:42,283 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:43:42,284 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:43:42,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 16:43:42,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 16:43:42,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 16:43:42,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:43:42,285 INFO L87 Difference]: Start difference. First operand 320 states and 461 transitions. Second operand 5 states. [2018-11-28 16:43:43,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:43:43,038 INFO L93 Difference]: Finished difference Result 717 states and 1075 transitions. [2018-11-28 16:43:43,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 16:43:43,039 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2018-11-28 16:43:43,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:43:43,043 INFO L225 Difference]: With dead ends: 717 [2018-11-28 16:43:43,043 INFO L226 Difference]: Without dead ends: 320 [2018-11-28 16:43:43,045 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:43:43,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-11-28 16:43:43,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-11-28 16:43:43,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-11-28 16:43:43,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 455 transitions. [2018-11-28 16:43:43,067 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 455 transitions. Word has length 158 [2018-11-28 16:43:43,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:43:43,068 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 455 transitions. [2018-11-28 16:43:43,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 16:43:43,068 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 455 transitions. [2018-11-28 16:43:43,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-28 16:43:43,072 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:43:43,073 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:43:43,073 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:43:43,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:43:43,073 INFO L82 PathProgramCache]: Analyzing trace with hash 284152846, now seen corresponding path program 1 times [2018-11-28 16:43:43,074 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:43:43,074 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:43:43,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:43:43,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:43:43,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:43:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:43:43,341 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 16:43:43,749 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:43:43,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:43:43,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 16:43:43,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 16:43:43,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 16:43:43,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 16:43:43,753 INFO L87 Difference]: Start difference. First operand 320 states and 455 transitions. Second operand 6 states. [2018-11-28 16:43:45,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:43:45,955 INFO L93 Difference]: Finished difference Result 951 states and 1383 transitions. [2018-11-28 16:43:45,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 16:43:45,963 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2018-11-28 16:43:45,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:43:45,969 INFO L225 Difference]: With dead ends: 951 [2018-11-28 16:43:45,972 INFO L226 Difference]: Without dead ends: 637 [2018-11-28 16:43:45,973 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 16:43:45,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2018-11-28 16:43:46,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 626. [2018-11-28 16:43:46,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-11-28 16:43:46,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 870 transitions. [2018-11-28 16:43:46,012 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 870 transitions. Word has length 166 [2018-11-28 16:43:46,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:43:46,013 INFO L480 AbstractCegarLoop]: Abstraction has 626 states and 870 transitions. [2018-11-28 16:43:46,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 16:43:46,013 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 870 transitions. [2018-11-28 16:43:46,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-28 16:43:46,017 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:43:46,017 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:43:46,018 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:43:46,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:43:46,018 INFO L82 PathProgramCache]: Analyzing trace with hash -2061838006, now seen corresponding path program 1 times [2018-11-28 16:43:46,018 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:43:46,018 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:43:46,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:43:46,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:43:46,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:43:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:43:46,395 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:43:46,395 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:43:46,395 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 16:43:46,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 16:43:46,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 16:43:46,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:43:46,397 INFO L87 Difference]: Start difference. First operand 626 states and 870 transitions. Second operand 5 states. [2018-11-28 16:43:48,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:43:48,814 INFO L93 Difference]: Finished difference Result 1330 states and 1901 transitions. [2018-11-28 16:43:48,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 16:43:48,815 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168 [2018-11-28 16:43:48,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:43:48,819 INFO L225 Difference]: With dead ends: 1330 [2018-11-28 16:43:48,819 INFO L226 Difference]: Without dead ends: 626 [2018-11-28 16:43:48,822 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 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 16:43:48,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2018-11-28 16:43:48,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2018-11-28 16:43:48,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-11-28 16:43:48,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 858 transitions. [2018-11-28 16:43:48,843 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 858 transitions. Word has length 168 [2018-11-28 16:43:48,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:43:48,843 INFO L480 AbstractCegarLoop]: Abstraction has 626 states and 858 transitions. [2018-11-28 16:43:48,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 16:43:48,843 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 858 transitions. [2018-11-28 16:43:48,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-28 16:43:48,848 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:43:48,848 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:43:48,848 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:43:48,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:43:48,849 INFO L82 PathProgramCache]: Analyzing trace with hash 2138250886, now seen corresponding path program 1 times [2018-11-28 16:43:48,849 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:43:48,849 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:43:48,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:43:48,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:43:48,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:43:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:43:49,221 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:43:49,221 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:43:49,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 16:43:49,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 16:43:49,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 16:43:49,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:43:49,223 INFO L87 Difference]: Start difference. First operand 626 states and 858 transitions. Second operand 5 states. [2018-11-28 16:43:50,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:43:50,379 INFO L93 Difference]: Finished difference Result 1332 states and 1876 transitions. [2018-11-28 16:43:50,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 16:43:50,381 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2018-11-28 16:43:50,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:43:50,385 INFO L225 Difference]: With dead ends: 1332 [2018-11-28 16:43:50,386 INFO L226 Difference]: Without dead ends: 626 [2018-11-28 16:43:50,388 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 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 16:43:50,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2018-11-28 16:43:50,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2018-11-28 16:43:50,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-11-28 16:43:50,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 842 transitions. [2018-11-28 16:43:50,407 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 842 transitions. Word has length 170 [2018-11-28 16:43:50,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:43:50,407 INFO L480 AbstractCegarLoop]: Abstraction has 626 states and 842 transitions. [2018-11-28 16:43:50,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 16:43:50,407 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 842 transitions. [2018-11-28 16:43:50,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-28 16:43:50,412 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:43:50,412 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:43:50,412 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:43:50,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:43:50,413 INFO L82 PathProgramCache]: Analyzing trace with hash 23816446, now seen corresponding path program 1 times [2018-11-28 16:43:50,413 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:43:50,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:43:50,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:43:50,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:43:50,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:43:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:43:50,641 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 16:43:51,046 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:43:51,047 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:43:51,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 16:43:51,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 16:43:51,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 16:43:51,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 16:43:51,049 INFO L87 Difference]: Start difference. First operand 626 states and 842 transitions. Second operand 6 states. [2018-11-28 16:43:51,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:43:51,951 INFO L93 Difference]: Finished difference Result 1858 states and 2598 transitions. [2018-11-28 16:43:51,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 16:43:51,953 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2018-11-28 16:43:51,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:43:51,960 INFO L225 Difference]: With dead ends: 1858 [2018-11-28 16:43:51,960 INFO L226 Difference]: Without dead ends: 1238 [2018-11-28 16:43:51,963 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 16:43:51,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2018-11-28 16:43:51,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1218. [2018-11-28 16:43:52,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2018-11-28 16:43:52,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1634 transitions. [2018-11-28 16:43:52,005 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1634 transitions. Word has length 174 [2018-11-28 16:43:52,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:43:52,005 INFO L480 AbstractCegarLoop]: Abstraction has 1218 states and 1634 transitions. [2018-11-28 16:43:52,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 16:43:52,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1634 transitions. [2018-11-28 16:43:52,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-28 16:43:52,013 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:43:52,013 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-28 16:43:52,013 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:43:52,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:43:52,014 INFO L82 PathProgramCache]: Analyzing trace with hash 141476734, now seen corresponding path program 1 times [2018-11-28 16:43:52,014 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:43:52,014 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:43:52,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:43:52,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:43:52,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:43:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:43:52,467 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:43:52,468 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 16:43:52,468 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 16:43:52,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:43:52,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:43:52,608 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 16:43:52,853 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-28 16:43:52,886 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 16:43:52,886 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2018-11-28 16:43:52,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 16:43:52,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 16:43:52,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 16:43:52,888 INFO L87 Difference]: Start difference. First operand 1218 states and 1634 transitions. Second operand 7 states. [2018-11-28 16:43:57,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:43:57,913 INFO L93 Difference]: Finished difference Result 3651 states and 5063 transitions. [2018-11-28 16:43:57,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 16:43:57,915 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 208 [2018-11-28 16:43:57,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:43:57,928 INFO L225 Difference]: With dead ends: 3651 [2018-11-28 16:43:57,928 INFO L226 Difference]: Without dead ends: 1542 [2018-11-28 16:43:57,935 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2018-11-28 16:43:57,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1542 states. [2018-11-28 16:43:57,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1542 to 1518. [2018-11-28 16:43:57,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1518 states. [2018-11-28 16:43:58,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 1898 transitions. [2018-11-28 16:43:58,002 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 1898 transitions. Word has length 208 [2018-11-28 16:43:58,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:43:58,002 INFO L480 AbstractCegarLoop]: Abstraction has 1518 states and 1898 transitions. [2018-11-28 16:43:58,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 16:43:58,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1898 transitions. [2018-11-28 16:43:58,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-11-28 16:43:58,013 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:43:58,013 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-28 16:43:58,014 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:43:58,015 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:43:58,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1207314428, now seen corresponding path program 1 times [2018-11-28 16:43:58,015 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:43:58,015 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:43:58,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:43:58,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:43:58,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:43:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:43:58,318 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 16:43:59,266 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 139 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:43:59,266 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 16:43:59,266 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 16:43:59,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:43:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:43:59,388 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 16:43:59,553 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 153 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 16:43:59,573 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 16:43:59,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 14 [2018-11-28 16:43:59,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 16:43:59,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 16:43:59,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2018-11-28 16:43:59,574 INFO L87 Difference]: Start difference. First operand 1518 states and 1898 transitions. Second operand 14 states. [2018-11-28 16:44:02,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:44:02,401 INFO L93 Difference]: Finished difference Result 3186 states and 3998 transitions. [2018-11-28 16:44:02,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 16:44:02,402 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 259 [2018-11-28 16:44:02,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:44:02,403 INFO L225 Difference]: With dead ends: 3186 [2018-11-28 16:44:02,404 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 16:44:02,411 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 267 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=170, Invalid=430, Unknown=0, NotChecked=0, Total=600 [2018-11-28 16:44:02,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 16:44:02,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 16:44:02,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 16:44:02,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 16:44:02,412 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 259 [2018-11-28 16:44:02,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:44:02,414 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 16:44:02,414 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 16:44:02,414 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 16:44:02,414 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 16:44:02,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 16:44:02,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:44:02,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:44:02,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:44:02,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:44:02,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:44:02,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:44:02,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:44:02,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:44:02,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:44:02,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:44:02,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:44:02,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:44:02,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:44:02,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:44:02,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:44:02,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:44:02,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:44:02,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:44:03,737 WARN L180 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 109 DAG size of output: 75 [2018-11-28 16:44:04,086 WARN L180 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 52 [2018-11-28 16:44:04,443 WARN L180 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 52 [2018-11-28 16:44:04,449 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 16:44:04,449 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a17~0)| ~a17~0) (= |old(~a25~0)| ~a25~0) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|)) [2018-11-28 16:44:04,449 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 16:44:04,450 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,450 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,450 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,450 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,450 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,450 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-28 16:44:04,450 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-28 16:44:04,450 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-28 16:44:04,450 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-28 16:44:04,451 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-28 16:44:04,453 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-28 16:44:04,453 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-28 16:44:04,453 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-28 16:44:04,453 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-28 16:44:04,454 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-28 16:44:04,454 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-28 16:44:04,454 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-28 16:44:04,454 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-28 16:44:04,454 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,454 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,454 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,454 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,454 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-28 16:44:04,454 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,454 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-28 16:44:04,455 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-28 16:44:04,455 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-28 16:44:04,455 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-28 16:44:04,455 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-28 16:44:04,455 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-28 16:44:04,455 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-28 16:44:04,455 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-28 16:44:04,455 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-28 16:44:04,455 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-28 16:44:04,455 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-28 16:44:04,455 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-28 16:44:04,456 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-28 16:44:04,456 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-28 16:44:04,456 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-28 16:44:04,456 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,456 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,456 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,456 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,456 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,456 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-28 16:44:04,456 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-28 16:44:04,456 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-28 16:44:04,457 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-28 16:44:04,457 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-28 16:44:04,457 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-28 16:44:04,457 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-28 16:44:04,457 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-28 16:44:04,457 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-28 16:44:04,457 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-28 16:44:04,457 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-28 16:44:04,457 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,457 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,457 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,458 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,458 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,458 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-28 16:44:04,458 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-28 16:44:04,458 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-28 16:44:04,458 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-28 16:44:04,458 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-28 16:44:04,458 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-28 16:44:04,458 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-28 16:44:04,458 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-28 16:44:04,458 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-28 16:44:04,459 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-28 16:44:04,459 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-28 16:44:04,459 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-28 16:44:04,459 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-28 16:44:04,459 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,459 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,459 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,459 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,459 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,459 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-28 16:44:04,459 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-28 16:44:04,460 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-28 16:44:04,464 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-28 16:44:04,464 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-28 16:44:04,464 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-28 16:44:04,465 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-28 16:44:04,465 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-28 16:44:04,465 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-28 16:44:04,465 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-28 16:44:04,465 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-28 16:44:04,465 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-28 16:44:04,465 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-28 16:44:04,465 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-28 16:44:04,465 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-28 16:44:04,465 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-28 16:44:04,465 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,466 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,466 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,466 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,466 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-28 16:44:04,466 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,466 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-28 16:44:04,466 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,466 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-28 16:44:04,466 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-28 16:44:04,466 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-28 16:44:04,466 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,467 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,467 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-28 16:44:04,467 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-28 16:44:04,467 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-28 16:44:04,467 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-28 16:44:04,467 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-28 16:44:04,467 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-28 16:44:04,467 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-28 16:44:04,467 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-28 16:44:04,467 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-28 16:44:04,467 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-28 16:44:04,468 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-28 16:44:04,468 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,468 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,468 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,468 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,468 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,468 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,468 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-28 16:44:04,468 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-28 16:44:04,468 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-28 16:44:04,468 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-28 16:44:04,469 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-28 16:44:04,469 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-28 16:44:04,469 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-28 16:44:04,469 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-28 16:44:04,469 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-28 16:44:04,469 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-28 16:44:04,469 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-28 16:44:04,469 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,469 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,469 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,469 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,470 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,472 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,472 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-28 16:44:04,472 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-28 16:44:04,472 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-28 16:44:04,472 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-28 16:44:04,472 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-28 16:44:04,472 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-28 16:44:04,472 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-28 16:44:04,473 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-28 16:44:04,473 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-28 16:44:04,473 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-28 16:44:04,473 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-28 16:44:04,473 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-28 16:44:04,473 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-28 16:44:04,473 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-28 16:44:04,473 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,473 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,473 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,474 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse15 (= 1 |old(~a19~0)|)) (.cse13 (= |old(~a17~0)| ~a17~0)) (.cse17 (= |old(~a25~0)| ~a25~0)) (.cse18 (= ~a19~0 |old(~a19~0)|)) (.cse19 (= ~a28~0 |old(~a28~0)|)) (.cse12 (not (= ~a11~0 1))) (.cse1 (= 1 |old(~a11~0)|)) (.cse11 (= 1 |old(~a25~0)|))) (let ((.cse6 (not (= 8 |old(~a17~0)|))) (.cse10 (< 7 |old(~a17~0)|)) (.cse16 (not (= 7 |old(~a28~0)|))) (.cse5 (not .cse11)) (.cse9 (not .cse1)) (.cse7 (= 1 ~a11~0)) (.cse4 (and .cse13 .cse17 .cse18 .cse19 .cse12)) (.cse8 (= 9 |old(~a28~0)|)) (.cse0 (not (= 1 ~a21~0))) (.cse2 (not .cse15)) (.cse14 (= 8 |old(~a28~0)|)) (.cse3 (not (= |old(~a17~0)| 8)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6 .cse7 (not .cse8) .cse9) (or .cse7 .cse0 (not (= 10 |old(~a28~0)|)) .cse5 .cse2 .cse6 .cse9) (or .cse0 .cse1 .cse10 .cse11 .cse12) (or .cse13 .cse0 .cse1 .cse2 .cse14 .cse8 (< 8 |old(~a17~0)|) .cse11) (or .cse15 .cse0 .cse16 .cse6 (and (= 7 ~a28~0) (not (= ~a25~0 1)) .cse7 (= 8 ~a17~0) (not (= 1 ~a19~0))) .cse9 .cse11) (or .cse0 .cse12 .cse1 .cse2 .cse8 .cse10) (or .cse0 .cse1 .cse4 .cse8 .cse3 .cse11) (or .cse0 (and (= |old(~a28~0)| ~a28~0) (<= ~a17~0 7) .cse17 .cse18) .cse10) (or .cse0 .cse16 .cse5 .cse2 .cse9 (and .cse7 (= 7 ~a17~0)) (not (= 7 |old(~a17~0)|))) (or .cse0 .cse1 .cse4 .cse14 .cse8 .cse3) (or .cse0 .cse2 .cse14 .cse3 (and .cse13 .cse17 .cse18 .cse19))))) [2018-11-28 16:44:04,474 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,474 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,474 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,474 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-28 16:44:04,474 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-28 16:44:04,474 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-28 16:44:04,475 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-28 16:44:04,476 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-28 16:44:04,476 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-28 16:44:04,476 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-28 16:44:04,476 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-28 16:44:04,476 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-28 16:44:04,476 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-28 16:44:04,476 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-28 16:44:04,476 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-28 16:44:04,476 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-28 16:44:04,477 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,477 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,477 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,477 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,477 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,477 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,477 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-28 16:44:04,477 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-28 16:44:04,477 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-28 16:44:04,477 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-28 16:44:04,477 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-28 16:44:04,477 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-28 16:44:04,478 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-28 16:44:04,478 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-28 16:44:04,478 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-28 16:44:04,478 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-28 16:44:04,478 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-28 16:44:04,478 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-28 16:44:04,478 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-28 16:44:04,478 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-28 16:44:04,478 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-28 16:44:04,478 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-28 16:44:04,478 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,479 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,479 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,479 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,479 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:44:04,479 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-28 16:44:04,479 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-28 16:44:04,479 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-28 16:44:04,479 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-28 16:44:04,479 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-28 16:44:04,479 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-28 16:44:04,479 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-28 16:44:04,479 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-28 16:44:04,480 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-28 16:44:04,480 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-28 16:44:04,480 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-28 16:44:04,480 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-28 16:44:04,480 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-28 16:44:04,480 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-28 16:44:04,480 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 586) no Hoare annotation was computed. [2018-11-28 16:44:04,480 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-28 16:44:04,480 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-28 16:44:04,480 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-28 16:44:04,481 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-28 16:44:04,481 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-28 16:44:04,481 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 16:44:04,481 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a25~0 1)) (not (= ~a28~0 8)) (= 1 ~a19~0) (= ~a21~0 1) (<= ~a17~0 8) (not (= ~a11~0 1)) (not (= ~a28~0 9))) [2018-11-28 16:44:04,481 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 16:44:04,481 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 16:44:04,481 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (and (= |old(~a17~0)| ~a17~0) (= |old(~a25~0)| ~a25~0) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (not (= ~a11~0 1))) (not (= 1 ~a21~0)) (= 1 |old(~a11~0)|) (not (= 1 |old(~a19~0)|)) (= 8 |old(~a28~0)|) (= 9 |old(~a28~0)|) (< 8 |old(~a17~0)|) (= 1 |old(~a25~0)|)) [2018-11-28 16:44:04,482 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse5 (not (= ~a25~0 1))) (.cse2 (not (= ~a11~0 1))) (.cse3 (not (= ~a28~0 9))) (.cse0 (= |old(~a17~0)| ~a17~0)) (.cse1 (not (= ~a28~0 8))) (.cse6 (= 1 ~a11~0)) (.cse8 (= 1 ~a25~0)) (.cse7 (= 8 ~a17~0)) (.cse4 (= 1 ~a19~0))) (or (not (= 1 ~a21~0)) (= 9 |old(~a28~0)|) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2) (and (= 7 ~a28~0) .cse5 .cse6 .cse7 (not .cse4)) (<= ~a17~0 7) (= 1 |old(~a25~0)|) (and .cse5 .cse0 .cse2 .cse3) (= 1 |old(~a11~0)|) (and .cse0 .cse1 .cse4) (not (= 1 |old(~a19~0)|)) (= 8 |old(~a28~0)|) (and .cse6 .cse8 .cse7 .cse4 (= 10 ~a28~0)) (< 8 |old(~a17~0)|) (and .cse6 .cse8 (= 9 ~a28~0) .cse7 .cse4))) [2018-11-28 16:44:04,482 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-28 16:44:04,482 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-28 16:44:04,482 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse5 (not (= ~a25~0 1))) (.cse2 (not (= ~a11~0 1))) (.cse3 (not (= ~a28~0 9))) (.cse0 (= |old(~a17~0)| ~a17~0)) (.cse1 (not (= ~a28~0 8))) (.cse6 (= 1 ~a11~0)) (.cse8 (= 1 ~a25~0)) (.cse7 (= 8 ~a17~0)) (.cse4 (= 1 ~a19~0))) (or (not (= 1 ~a21~0)) (= 9 |old(~a28~0)|) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2) (and (= 7 ~a28~0) .cse5 .cse6 .cse7 (not .cse4)) (<= ~a17~0 7) (= 1 |old(~a25~0)|) (and .cse5 .cse0 .cse2 .cse3) (= 1 |old(~a11~0)|) (and .cse0 .cse1 .cse4) (not (= 1 |old(~a19~0)|)) (= 8 |old(~a28~0)|) (and .cse6 .cse8 .cse7 .cse4 (= 10 ~a28~0)) (< 8 |old(~a17~0)|) (and .cse6 .cse8 (= 9 ~a28~0) .cse7 .cse4))) [2018-11-28 16:44:04,482 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-28 16:44:04,482 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-28 16:44:04,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:44:04 BoogieIcfgContainer [2018-11-28 16:44:04,515 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 16:44:04,516 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 16:44:04,516 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 16:44:04,516 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 16:44:04,516 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:37" (3/4) ... [2018-11-28 16:44:04,524 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 16:44:04,535 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 16:44:04,535 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-28 16:44:04,536 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 16:44:04,571 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 16:44:04,572 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 16:44:04,627 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(1 == a21) || 9 == \old(a28)) || (((\old(a17) == a17 && !(a28 == 8)) && !(a11 == 1)) && !(a28 == 9))) || ((\old(a17) == a17 && 1 == a19) && !(a11 == 1))) || ((((7 == a28 && !(a25 == 1)) && 1 == a11) && 8 == a17) && !(1 == a19))) || a17 <= 7) || 1 == \old(a25)) || (((!(a25 == 1) && \old(a17) == a17) && !(a11 == 1)) && !(a28 == 9))) || 1 == \old(a11)) || ((\old(a17) == a17 && !(a28 == 8)) && 1 == a19)) || !(1 == \old(a19))) || 8 == \old(a28)) || ((((1 == a11 && 1 == a25) && 8 == a17) && 1 == a19) && 10 == a28)) || 8 < \old(a17)) || ((((1 == a11 && 1 == a25) && 9 == a28) && 8 == a17) && 1 == a19) [2018-11-28 16:44:04,820 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 16:44:04,820 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 16:44:04,822 INFO L168 Benchmark]: Toolchain (without parser) took 31569.61 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 451.4 MB). Free memory was 940.6 MB in the beginning and 1.4 GB in the end (delta: -499.1 MB). Peak memory consumption was 497.8 MB. Max. memory is 11.5 GB. [2018-11-28 16:44:04,823 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 16:44:04,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 745.39 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 913.8 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-28 16:44:04,824 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 913.8 MB in the beginning and 1.1 GB in the end (delta: -221.3 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2018-11-28 16:44:04,824 INFO L168 Benchmark]: Boogie Preprocessor took 99.74 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 16:44:04,825 INFO L168 Benchmark]: RCFGBuilder took 3131.07 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: 104.1 MB). Peak memory consumption was 104.1 MB. Max. memory is 11.5 GB. [2018-11-28 16:44:04,825 INFO L168 Benchmark]: TraceAbstraction took 27170.39 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 231.2 MB). Free memory was 1.0 GB in the beginning and 832.6 MB in the end (delta: 198.5 MB). Peak memory consumption was 429.7 MB. Max. memory is 11.5 GB. [2018-11-28 16:44:04,825 INFO L168 Benchmark]: Witness Printer took 304.87 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 72.4 MB). Free memory was 832.6 MB in the beginning and 1.4 GB in the end (delta: -607.2 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 16:44:04,828 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 745.39 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 913.8 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 112.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 913.8 MB in the beginning and 1.1 GB in the end (delta: -221.3 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 99.74 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 3131.07 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: 104.1 MB). Peak memory consumption was 104.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27170.39 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 231.2 MB). Free memory was 1.0 GB in the beginning and 832.6 MB in the end (delta: 198.5 MB). Peak memory consumption was 429.7 MB. Max. memory is 11.5 GB. * Witness Printer took 304.87 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 72.4 MB). Free memory was 832.6 MB in the beginning and 1.4 GB in the end (delta: -607.2 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 586]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((!(1 == a21) || 9 == \old(a28)) || (((\old(a17) == a17 && !(a28 == 8)) && !(a11 == 1)) && !(a28 == 9))) || ((\old(a17) == a17 && 1 == a19) && !(a11 == 1))) || ((((7 == a28 && !(a25 == 1)) && 1 == a11) && 8 == a17) && !(1 == a19))) || a17 <= 7) || 1 == \old(a25)) || (((!(a25 == 1) && \old(a17) == a17) && !(a11 == 1)) && !(a28 == 9))) || 1 == \old(a11)) || ((\old(a17) == a17 && !(a28 == 8)) && 1 == a19)) || !(1 == \old(a19))) || 8 == \old(a28)) || ((((1 == a11 && 1 == a25) && 8 == a17) && 1 == a19) && 10 == a28)) || 8 < \old(a17)) || ((((1 == a11 && 1 == a25) && 9 == a28) && 8 == a17) && 1 == a19) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 27.0s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 18.3s AutomataDifference, 0.0s DeadEndRemovalTime, 2.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 537 SDtfs, 5546 SDslu, 525 SDs, 0 SdLazy, 7227 SolverSat, 1261 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 574 GetRequests, 504 SyntacticMatches, 7 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1518occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 55 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 71 PreInvPairs, 127 NumberOfFragments, 700 HoareAnnotationTreeSize, 71 FomulaSimplifications, 2680 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1223 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 2066 NumberOfCodeBlocks, 2066 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2055 ConstructedInterpolants, 0 QuantifiedInterpolants, 1713266 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1024 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 582/612 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...