./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem01_label00_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/eca-rers2012/Problem01_label00_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 785a7f7444547118219ac2dc565afc7f15fbca51 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-30 19:36:36,482 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-30 19:36:36,485 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-30 19:36:36,501 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-30 19:36:36,501 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-30 19:36:36,503 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-30 19:36:36,504 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-30 19:36:36,506 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-30 19:36:36,509 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-30 19:36:36,510 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-30 19:36:36,513 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-30 19:36:36,513 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-30 19:36:36,514 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-30 19:36:36,517 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-30 19:36:36,525 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-30 19:36:36,525 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-30 19:36:36,527 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-30 19:36:36,531 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-30 19:36:36,535 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-30 19:36:36,537 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-30 19:36:36,538 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-30 19:36:36,541 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-30 19:36:36,546 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-30 19:36:36,546 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-30 19:36:36,546 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-30 19:36:36,549 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-30 19:36:36,549 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-30 19:36:36,550 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-30 19:36:36,551 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-30 19:36:36,554 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-30 19:36:36,554 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-30 19:36:36,555 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-30 19:36:36,555 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-30 19:36:36,555 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-30 19:36:36,556 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-30 19:36:36,556 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-30 19:36:36,558 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-30 19:36:36,583 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-30 19:36:36,583 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-30 19:36:36,584 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-30 19:36:36,584 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-30 19:36:36,584 INFO L133 SettingsManager]: * Use SBE=true [2018-12-30 19:36:36,585 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-30 19:36:36,585 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-30 19:36:36,585 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-30 19:36:36,585 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-30 19:36:36,585 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-30 19:36:36,585 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-30 19:36:36,586 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-30 19:36:36,590 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-30 19:36:36,590 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-30 19:36:36,590 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-30 19:36:36,590 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-30 19:36:36,591 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-30 19:36:36,591 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-30 19:36:36,591 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-30 19:36:36,591 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-30 19:36:36,591 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-30 19:36:36,591 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-30 19:36:36,593 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-30 19:36:36,593 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-30 19:36:36,593 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-30 19:36:36,594 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-30 19:36:36,594 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-30 19:36:36,594 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-30 19:36:36,594 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 -> 785a7f7444547118219ac2dc565afc7f15fbca51 [2018-12-30 19:36:36,659 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-30 19:36:36,677 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-30 19:36:36,685 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-30 19:36:36,687 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-30 19:36:36,687 INFO L276 PluginConnector]: CDTParser initialized [2018-12-30 19:36:36,689 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem01_label00_true-unreach-call_false-termination.c [2018-12-30 19:36:36,753 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/453733d12/0f5974521bc546e298c8f4e678f8859e/FLAG5cb069bc4 [2018-12-30 19:36:37,350 INFO L307 CDTParser]: Found 1 translation units. [2018-12-30 19:36:37,354 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem01_label00_true-unreach-call_false-termination.c [2018-12-30 19:36:37,377 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/453733d12/0f5974521bc546e298c8f4e678f8859e/FLAG5cb069bc4 [2018-12-30 19:36:37,572 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/453733d12/0f5974521bc546e298c8f4e678f8859e [2018-12-30 19:36:37,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-30 19:36:37,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-30 19:36:37,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-30 19:36:37,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-30 19:36:37,587 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-30 19:36:37,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 07:36:37" (1/1) ... [2018-12-30 19:36:37,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ccf8dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:36:37, skipping insertion in model container [2018-12-30 19:36:37,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 07:36:37" (1/1) ... [2018-12-30 19:36:37,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-30 19:36:37,674 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-30 19:36:38,170 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 19:36:38,181 INFO L191 MainTranslator]: Completed pre-run [2018-12-30 19:36:38,296 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 19:36:38,318 INFO L195 MainTranslator]: Completed translation [2018-12-30 19:36:38,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:36:38 WrapperNode [2018-12-30 19:36:38,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-30 19:36:38,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-30 19:36:38,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-30 19:36:38,321 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-30 19:36:38,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:36:38" (1/1) ... [2018-12-30 19:36:38,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:36:38" (1/1) ... [2018-12-30 19:36:38,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-30 19:36:38,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-30 19:36:38,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-30 19:36:38,525 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-30 19:36:38,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:36:38" (1/1) ... [2018-12-30 19:36:38,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:36:38" (1/1) ... [2018-12-30 19:36:38,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:36:38" (1/1) ... [2018-12-30 19:36:38,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:36:38" (1/1) ... [2018-12-30 19:36:38,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:36:38" (1/1) ... [2018-12-30 19:36:38,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:36:38" (1/1) ... [2018-12-30 19:36:38,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:36:38" (1/1) ... [2018-12-30 19:36:38,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-30 19:36:38,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-30 19:36:38,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-30 19:36:38,617 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-30 19:36:38,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:36:38" (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 [2018-12-30 19:36:38,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-30 19:36:38,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-30 19:36:42,086 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-30 19:36:42,087 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-30 19:36:42,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:36:42 BoogieIcfgContainer [2018-12-30 19:36:42,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-30 19:36:42,088 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-30 19:36:42,089 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-30 19:36:42,092 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-30 19:36:42,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.12 07:36:37" (1/3) ... [2018-12-30 19:36:42,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d8c9b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 07:36:42, skipping insertion in model container [2018-12-30 19:36:42,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:36:38" (2/3) ... [2018-12-30 19:36:42,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d8c9b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 07:36:42, skipping insertion in model container [2018-12-30 19:36:42,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:36:42" (3/3) ... [2018-12-30 19:36:42,096 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label00_true-unreach-call_false-termination.c [2018-12-30 19:36:42,106 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-30 19:36:42,115 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-30 19:36:42,135 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-30 19:36:42,173 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-30 19:36:42,174 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-30 19:36:42,174 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-30 19:36:42,175 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-30 19:36:42,175 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-30 19:36:42,175 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-30 19:36:42,175 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-30 19:36:42,176 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-30 19:36:42,176 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-30 19:36:42,201 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2018-12-30 19:36:42,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-30 19:36:42,215 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:36:42,216 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] [2018-12-30 19:36:42,219 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:36:42,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:36:42,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1766677921, now seen corresponding path program 1 times [2018-12-30 19:36:42,228 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:36:42,229 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:36:42,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:36:42,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:36:42,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:36:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:36:42,929 WARN L181 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-12-30 19:36:43,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:36:43,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:36:43,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:36:43,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:36:43,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:36:43,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:36:43,082 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 4 states. [2018-12-30 19:36:45,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:36:45,467 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2018-12-30 19:36:45,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:36:45,469 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2018-12-30 19:36:45,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:36:45,499 INFO L225 Difference]: With dead ends: 662 [2018-12-30 19:36:45,499 INFO L226 Difference]: Without dead ends: 397 [2018-12-30 19:36:45,504 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:36:45,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-12-30 19:36:45,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 266. [2018-12-30 19:36:45,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2018-12-30 19:36:45,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2018-12-30 19:36:45,598 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 108 [2018-12-30 19:36:45,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:36:45,599 INFO L480 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2018-12-30 19:36:45,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:36:45,599 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2018-12-30 19:36:45,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-30 19:36:45,603 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:36:45,603 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] [2018-12-30 19:36:45,604 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:36:45,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:36:45,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1731030898, now seen corresponding path program 1 times [2018-12-30 19:36:45,604 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:36:45,605 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:36:45,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:36:45,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:36:45,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:36:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:36:45,698 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:36:45,698 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:36:45,698 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:36:45,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:36:45,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:36:45,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:36:45,701 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand 4 states. [2018-12-30 19:36:47,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:36:47,821 INFO L93 Difference]: Finished difference Result 1054 states and 1512 transitions. [2018-12-30 19:36:47,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:36:47,822 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 114 [2018-12-30 19:36:47,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:36:47,829 INFO L225 Difference]: With dead ends: 1054 [2018-12-30 19:36:47,829 INFO L226 Difference]: Without dead ends: 790 [2018-12-30 19:36:47,832 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:36:47,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2018-12-30 19:36:47,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2018-12-30 19:36:47,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2018-12-30 19:36:47,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1068 transitions. [2018-12-30 19:36:47,893 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1068 transitions. Word has length 114 [2018-12-30 19:36:47,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:36:47,893 INFO L480 AbstractCegarLoop]: Abstraction has 790 states and 1068 transitions. [2018-12-30 19:36:47,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:36:47,893 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1068 transitions. [2018-12-30 19:36:47,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-30 19:36:47,899 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:36:47,899 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-30 19:36:47,900 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:36:47,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:36:47,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1128519054, now seen corresponding path program 1 times [2018-12-30 19:36:47,900 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:36:47,901 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:36:47,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:36:47,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:36:47,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:36:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:36:48,230 WARN L181 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-12-30 19:36:48,251 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:36:48,252 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:36:48,252 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 19:36:48,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:36:48,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:36:48,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:36:48,253 INFO L87 Difference]: Start difference. First operand 790 states and 1068 transitions. Second operand 4 states. [2018-12-30 19:36:49,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:36:49,816 INFO L93 Difference]: Finished difference Result 1578 states and 2134 transitions. [2018-12-30 19:36:49,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:36:49,826 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 115 [2018-12-30 19:36:49,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:36:49,830 INFO L225 Difference]: With dead ends: 1578 [2018-12-30 19:36:49,831 INFO L226 Difference]: Without dead ends: 790 [2018-12-30 19:36:49,833 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:36:49,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2018-12-30 19:36:49,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2018-12-30 19:36:49,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2018-12-30 19:36:49,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 994 transitions. [2018-12-30 19:36:49,869 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 994 transitions. Word has length 115 [2018-12-30 19:36:49,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:36:49,870 INFO L480 AbstractCegarLoop]: Abstraction has 790 states and 994 transitions. [2018-12-30 19:36:49,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:36:49,870 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 994 transitions. [2018-12-30 19:36:49,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-30 19:36:49,876 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:36:49,876 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2018-12-30 19:36:49,877 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:36:49,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:36:49,877 INFO L82 PathProgramCache]: Analyzing trace with hash -544120587, now seen corresponding path program 1 times [2018-12-30 19:36:49,877 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:36:49,877 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:36:49,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:36:49,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:36:49,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:36:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:36:50,066 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-30 19:36:50,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:36:50,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-30 19:36:50,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:36:50,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:36:50,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:36:50,068 INFO L87 Difference]: Start difference. First operand 790 states and 994 transitions. Second operand 3 states. [2018-12-30 19:36:52,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:36:52,018 INFO L93 Difference]: Finished difference Result 2233 states and 2809 transitions. [2018-12-30 19:36:52,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:36:52,020 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2018-12-30 19:36:52,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:36:52,028 INFO L225 Difference]: With dead ends: 2233 [2018-12-30 19:36:52,028 INFO L226 Difference]: Without dead ends: 1445 [2018-12-30 19:36:52,030 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:36:52,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2018-12-30 19:36:52,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1183. [2018-12-30 19:36:52,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2018-12-30 19:36:52,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1429 transitions. [2018-12-30 19:36:52,061 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1429 transitions. Word has length 126 [2018-12-30 19:36:52,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:36:52,061 INFO L480 AbstractCegarLoop]: Abstraction has 1183 states and 1429 transitions. [2018-12-30 19:36:52,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:36:52,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1429 transitions. [2018-12-30 19:36:52,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-30 19:36:52,068 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:36:52,068 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:36:52,068 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:36:52,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:36:52,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1267766409, now seen corresponding path program 1 times [2018-12-30 19:36:52,069 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:36:52,069 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:36:52,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:36:52,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:36:52,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:36:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:36:52,249 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-30 19:36:52,249 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:36:52,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:36:52,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:36:52,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:36:52,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:36:52,250 INFO L87 Difference]: Start difference. First operand 1183 states and 1429 transitions. Second operand 4 states. [2018-12-30 19:36:52,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:36:52,958 INFO L93 Difference]: Finished difference Result 2500 states and 3010 transitions. [2018-12-30 19:36:52,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-30 19:36:52,959 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 134 [2018-12-30 19:36:52,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:36:52,966 INFO L225 Difference]: With dead ends: 2500 [2018-12-30 19:36:52,966 INFO L226 Difference]: Without dead ends: 1319 [2018-12-30 19:36:52,968 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-30 19:36:52,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2018-12-30 19:36:52,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1314. [2018-12-30 19:36:52,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2018-12-30 19:36:52,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1566 transitions. [2018-12-30 19:36:52,998 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1566 transitions. Word has length 134 [2018-12-30 19:36:52,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:36:52,998 INFO L480 AbstractCegarLoop]: Abstraction has 1314 states and 1566 transitions. [2018-12-30 19:36:52,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:36:52,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1566 transitions. [2018-12-30 19:36:53,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-30 19:36:53,003 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:36:53,003 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:36:53,003 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:36:53,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:36:53,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1620959425, now seen corresponding path program 1 times [2018-12-30 19:36:53,004 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:36:53,004 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:36:53,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:36:53,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:36:53,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:36:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:36:53,207 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-30 19:36:53,207 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:36:53,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 19:36:53,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-30 19:36:53,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-30 19:36:53,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-30 19:36:53,209 INFO L87 Difference]: Start difference. First operand 1314 states and 1566 transitions. Second operand 5 states. [2018-12-30 19:36:54,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:36:54,195 INFO L93 Difference]: Finished difference Result 2626 states and 3160 transitions. [2018-12-30 19:36:54,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-30 19:36:54,196 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2018-12-30 19:36:54,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:36:54,204 INFO L225 Difference]: With dead ends: 2626 [2018-12-30 19:36:54,204 INFO L226 Difference]: Without dead ends: 1445 [2018-12-30 19:36:54,206 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-30 19:36:54,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2018-12-30 19:36:54,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1445. [2018-12-30 19:36:54,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2018-12-30 19:36:54,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1691 transitions. [2018-12-30 19:36:54,241 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1691 transitions. Word has length 138 [2018-12-30 19:36:54,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:36:54,242 INFO L480 AbstractCegarLoop]: Abstraction has 1445 states and 1691 transitions. [2018-12-30 19:36:54,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-30 19:36:54,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1691 transitions. [2018-12-30 19:36:54,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-30 19:36:54,246 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:36:54,247 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:36:54,247 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:36:54,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:36:54,247 INFO L82 PathProgramCache]: Analyzing trace with hash -633054500, now seen corresponding path program 1 times [2018-12-30 19:36:54,247 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:36:54,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:36:54,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:36:54,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:36:54,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:36:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:36:54,342 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-30 19:36:54,343 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:36:54,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:36:54,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:36:54,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:36:54,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:36:54,344 INFO L87 Difference]: Start difference. First operand 1445 states and 1691 transitions. Second operand 3 states. [2018-12-30 19:36:56,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:36:56,156 INFO L93 Difference]: Finished difference Result 3281 states and 3857 transitions. [2018-12-30 19:36:56,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:36:56,157 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2018-12-30 19:36:56,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:36:56,165 INFO L225 Difference]: With dead ends: 3281 [2018-12-30 19:36:56,165 INFO L226 Difference]: Without dead ends: 1707 [2018-12-30 19:36:56,168 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:36:56,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2018-12-30 19:36:56,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1445. [2018-12-30 19:36:56,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2018-12-30 19:36:56,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1559 transitions. [2018-12-30 19:36:56,201 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1559 transitions. Word has length 141 [2018-12-30 19:36:56,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:36:56,201 INFO L480 AbstractCegarLoop]: Abstraction has 1445 states and 1559 transitions. [2018-12-30 19:36:56,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:36:56,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1559 transitions. [2018-12-30 19:36:56,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-30 19:36:56,206 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:36:56,206 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:36:56,206 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:36:56,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:36:56,207 INFO L82 PathProgramCache]: Analyzing trace with hash 728477792, now seen corresponding path program 1 times [2018-12-30 19:36:56,207 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:36:56,207 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:36:56,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:36:56,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:36:56,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:36:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:36:56,380 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-30 19:36:56,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:36:56,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-30 19:36:56,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:36:56,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:36:56,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:36:56,382 INFO L87 Difference]: Start difference. First operand 1445 states and 1559 transitions. Second operand 3 states. [2018-12-30 19:36:56,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:36:56,939 INFO L93 Difference]: Finished difference Result 3543 states and 3847 transitions. [2018-12-30 19:36:56,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:36:56,939 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2018-12-30 19:36:56,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:36:56,948 INFO L225 Difference]: With dead ends: 3543 [2018-12-30 19:36:56,948 INFO L226 Difference]: Without dead ends: 2231 [2018-12-30 19:36:56,951 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:36:56,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2018-12-30 19:36:56,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 1838. [2018-12-30 19:36:56,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2018-12-30 19:36:56,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 1972 transitions. [2018-12-30 19:36:56,991 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 1972 transitions. Word has length 156 [2018-12-30 19:36:56,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:36:56,992 INFO L480 AbstractCegarLoop]: Abstraction has 1838 states and 1972 transitions. [2018-12-30 19:36:56,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:36:56,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 1972 transitions. [2018-12-30 19:36:56,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-30 19:36:56,999 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:36:56,999 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, 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] [2018-12-30 19:36:56,999 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:36:56,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:36:57,000 INFO L82 PathProgramCache]: Analyzing trace with hash -519802284, now seen corresponding path program 1 times [2018-12-30 19:36:57,000 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:36:57,000 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:36:57,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:36:57,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:36:57,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:36:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:36:57,373 WARN L181 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8 [2018-12-30 19:36:57,536 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 97 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-30 19:36:57,537 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-30 19:36:57,537 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 [2018-12-30 19:36:57,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:36:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:36:57,654 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-30 19:36:57,844 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-30 19:36:57,881 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-30 19:36:57,882 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2018-12-30 19:36:57,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-30 19:36:57,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-30 19:36:57,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-30 19:36:57,883 INFO L87 Difference]: Start difference. First operand 1838 states and 1972 transitions. Second operand 7 states. [2018-12-30 19:37:02,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:37:02,352 INFO L93 Difference]: Finished difference Result 3678 states and 3947 transitions. [2018-12-30 19:37:02,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-30 19:37:02,353 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 185 [2018-12-30 19:37:02,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:37:02,354 INFO L225 Difference]: With dead ends: 3678 [2018-12-30 19:37:02,354 INFO L226 Difference]: Without dead ends: 0 [2018-12-30 19:37:02,359 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 185 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-12-30 19:37:02,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-30 19:37:02,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-30 19:37:02,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-30 19:37:02,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-30 19:37:02,361 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 185 [2018-12-30 19:37:02,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:37:02,361 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-30 19:37:02,361 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-30 19:37:02,361 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-30 19:37:02,361 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-30 19:37:02,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-30 19:37:02,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:37:02,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:37:04,067 WARN L181 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 43 DAG size of output: 28 [2018-12-30 19:37:04,231 WARN L181 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 28 [2018-12-30 19:37:04,235 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-30 19:37:04,235 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-30 19:37:04,235 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,235 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,235 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,235 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,235 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,235 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,235 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-30 19:37:04,236 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-30 19:37:04,236 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-30 19:37:04,236 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-30 19:37:04,236 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-30 19:37:04,236 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-30 19:37:04,236 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-30 19:37:04,236 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-30 19:37:04,236 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-30 19:37:04,236 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-30 19:37:04,236 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,237 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,237 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,237 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,237 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,237 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,237 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-30 19:37:04,237 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-30 19:37:04,237 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-30 19:37:04,237 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-30 19:37:04,237 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-30 19:37:04,238 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-30 19:37:04,238 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-30 19:37:04,238 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-30 19:37:04,238 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-30 19:37:04,238 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-30 19:37:04,238 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-30 19:37:04,240 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-30 19:37:04,240 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-30 19:37:04,240 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-30 19:37:04,240 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-30 19:37:04,240 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,240 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,240 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,240 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,241 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,241 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-30 19:37:04,241 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-30 19:37:04,241 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-30 19:37:04,241 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-30 19:37:04,241 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-30 19:37:04,241 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-30 19:37:04,241 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-30 19:37:04,241 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-30 19:37:04,241 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-30 19:37:04,242 INFO L444 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse1 (not (= ~a8~0 13))) (.cse3 (<= ~a21~0 0)) (.cse0 (= ~a7~0 1)) (.cse4 (= ~a17~0 1)) (.cse5 (not (= 5 ~a16~0))) (.cse2 (= ~a21~0 1))) (or (and .cse0 .cse1 (= ~a16~0 5)) (and .cse2 .cse1) (and .cse0 .cse3 .cse4) (and .cse3 (and .cse0 .cse5)) (and .cse4 .cse2 .cse5) (and (= ~a16~0 4) .cse2))) [2018-12-30 19:37:04,242 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,242 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,242 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,242 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,242 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,242 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-30 19:37:04,243 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-30 19:37:04,243 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-30 19:37:04,243 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-30 19:37:04,243 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-30 19:37:04,243 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-30 19:37:04,243 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-30 19:37:04,243 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-30 19:37:04,243 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-30 19:37:04,243 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-30 19:37:04,243 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-30 19:37:04,243 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-30 19:37:04,243 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-30 19:37:04,244 INFO L451 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2018-12-30 19:37:04,244 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,244 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,244 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,244 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,244 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,244 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-30 19:37:04,244 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-30 19:37:04,244 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-30 19:37:04,244 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-30 19:37:04,244 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-30 19:37:04,245 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-30 19:37:04,245 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-30 19:37:04,245 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-30 19:37:04,245 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 500) no Hoare annotation was computed. [2018-12-30 19:37:04,245 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-30 19:37:04,245 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,245 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,245 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,245 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,245 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-30 19:37:04,246 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,246 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-30 19:37:04,246 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-30 19:37:04,246 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-30 19:37:04,246 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-30 19:37:04,246 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-30 19:37:04,246 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-30 19:37:04,246 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-30 19:37:04,246 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-30 19:37:04,246 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-30 19:37:04,246 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-30 19:37:04,246 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-30 19:37:04,247 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-30 19:37:04,247 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-30 19:37:04,247 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-30 19:37:04,247 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,247 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse1 (not (= ~a8~0 13))) (.cse3 (<= ~a21~0 0)) (.cse0 (= ~a7~0 1)) (.cse4 (= ~a17~0 1)) (.cse5 (not (= 5 ~a16~0))) (.cse2 (= ~a21~0 1))) (or (and .cse0 .cse1 (= ~a16~0 5)) (and .cse2 .cse1) (and .cse0 .cse3 .cse4) (and .cse3 (and .cse0 .cse5)) (and .cse4 .cse2 .cse5) (and (= ~a16~0 4) .cse2))) [2018-12-30 19:37:04,247 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,247 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,247 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,247 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,248 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-30 19:37:04,248 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-30 19:37:04,248 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-30 19:37:04,248 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-30 19:37:04,248 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-30 19:37:04,248 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-30 19:37:04,248 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-30 19:37:04,248 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-30 19:37:04,248 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,248 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,248 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,249 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,249 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,249 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-30 19:37:04,249 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-30 19:37:04,249 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-30 19:37:04,249 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-30 19:37:04,249 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-30 19:37:04,249 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-30 19:37:04,249 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-30 19:37:04,249 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-30 19:37:04,249 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-30 19:37:04,249 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-30 19:37:04,250 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-30 19:37:04,250 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-30 19:37:04,250 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-30 19:37:04,250 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,250 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,250 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,250 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,250 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-30 19:37:04,250 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,250 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,250 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-30 19:37:04,251 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-30 19:37:04,251 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-30 19:37:04,251 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-30 19:37:04,251 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-30 19:37:04,251 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-30 19:37:04,251 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-30 19:37:04,251 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-30 19:37:04,251 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-30 19:37:04,251 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-30 19:37:04,251 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-30 19:37:04,252 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-30 19:37:04,252 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-30 19:37:04,259 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,259 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,259 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,259 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,259 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,259 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-30 19:37:04,260 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,260 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-30 19:37:04,260 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-30 19:37:04,260 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-30 19:37:04,260 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-30 19:37:04,260 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-30 19:37:04,260 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-30 19:37:04,260 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-30 19:37:04,260 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-30 19:37:04,260 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-30 19:37:04,260 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-30 19:37:04,260 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-30 19:37:04,261 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-30 19:37:04,261 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-30 19:37:04,261 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-30 19:37:04,261 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-30 19:37:04,261 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,261 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,261 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,261 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,261 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,261 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:37:04,261 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-30 19:37:04,264 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-30 19:37:04,264 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-30 19:37:04,264 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-30 19:37:04,264 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-30 19:37:04,264 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-30 19:37:04,264 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-30 19:37:04,264 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-30 19:37:04,264 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-30 19:37:04,264 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-30 19:37:04,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.12 07:37:04 BoogieIcfgContainer [2018-12-30 19:37:04,310 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-30 19:37:04,310 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-30 19:37:04,310 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-30 19:37:04,311 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-30 19:37:04,311 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:36:42" (3/4) ... [2018-12-30 19:37:04,319 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-30 19:37:04,365 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-30 19:37:04,366 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-30 19:37:04,606 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-30 19:37:04,609 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-30 19:37:04,611 INFO L168 Benchmark]: Toolchain (without parser) took 27034.06 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 371.7 MB). Free memory was 952.7 MB in the beginning and 1.3 GB in the end (delta: -344.5 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2018-12-30 19:37:04,612 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 19:37:04,612 INFO L168 Benchmark]: CACSL2BoogieTranslator took 739.26 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 920.3 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-12-30 19:37:04,613 INFO L168 Benchmark]: Boogie Procedure Inliner took 203.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 920.3 MB in the beginning and 1.1 GB in the end (delta: -184.9 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2018-12-30 19:37:04,613 INFO L168 Benchmark]: Boogie Preprocessor took 91.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-30 19:37:04,613 INFO L168 Benchmark]: RCFGBuilder took 3471.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 990.0 MB in the end (delta: 108.4 MB). Peak memory consumption was 108.4 MB. Max. memory is 11.5 GB. [2018-12-30 19:37:04,615 INFO L168 Benchmark]: TraceAbstraction took 22221.46 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 252.7 MB). Free memory was 990.0 MB in the beginning and 1.3 GB in the end (delta: -330.0 MB). Peak memory consumption was 367.4 MB. Max. memory is 11.5 GB. [2018-12-30 19:37:04,616 INFO L168 Benchmark]: Witness Printer took 298.85 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2018-12-30 19:37:04,619 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 739.26 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 920.3 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 203.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 920.3 MB in the beginning and 1.1 GB in the end (delta: -184.9 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 91.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3471.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 990.0 MB in the end (delta: 108.4 MB). Peak memory consumption was 108.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 22221.46 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 252.7 MB). Free memory was 990.0 MB in the beginning and 1.3 GB in the end (delta: -330.0 MB). Peak memory consumption was 367.4 MB. Max. memory is 11.5 GB. * Witness Printer took 298.85 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 500]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((a7 == 1 && !(a8 == 13)) && a16 == 5) || (a21 == 1 && !(a8 == 13))) || ((a7 == 1 && a21 <= 0) && a17 == 1)) || (a21 <= 0 && a7 == 1 && !(5 == a16))) || ((a17 == 1 && a21 == 1) && !(5 == a16))) || (a16 == 4 && a21 == 1) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((a7 == 1 && !(a8 == 13)) && a16 == 5) || (a21 == 1 && !(a8 == 13))) || ((a7 == 1 && a21 <= 0) && a17 == 1)) || (a21 <= 0 && a7 == 1 && !(5 == a16))) || ((a17 == 1 && a21 == 1) && !(5 == a16))) || (a16 == 4 && a21 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 22.1s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 16.7s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 681 SDtfs, 2241 SDslu, 111 SDs, 0 SdLazy, 5396 SolverSat, 845 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 220 GetRequests, 196 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1838occurred 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, 1053 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 42 NumberOfFragments, 121 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1261 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 156 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1402 NumberOfCodeBlocks, 1402 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1392 ConstructedInterpolants, 0 QuantifiedInterpolants, 487642 SizeOfPredicates, 1 NumberOfNonLiveVariables, 329 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 450/477 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...