java -Xmx8000000000 -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 ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label59_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-06 21:27:46,346 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-06 21:27:46,349 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-06 21:27:46,361 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-06 21:27:46,362 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-06 21:27:46,363 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-06 21:27:46,365 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-06 21:27:46,367 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-06 21:27:46,370 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-06 21:27:46,371 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-06 21:27:46,379 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-06 21:27:46,380 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-06 21:27:46,383 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-06 21:27:46,384 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-06 21:27:46,387 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-06 21:27:46,388 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-06 21:27:46,389 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-06 21:27:46,391 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-06 21:27:46,392 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-06 21:27:46,396 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-06 21:27:46,398 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-06 21:27:46,399 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-06 21:27:46,402 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-06 21:27:46,403 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-06 21:27:46,403 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-06 21:27:46,404 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-06 21:27:46,405 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-06 21:27:46,410 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-06 21:27:46,411 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-06 21:27:46,412 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-06 21:27:46,412 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-06 21:27:46,412 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-11-06 21:27:46,417 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-06 21:27:46,439 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-06 21:27:46,439 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-06 21:27:46,440 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-06 21:27:46,440 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-06 21:27:46,441 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-06 21:27:46,441 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-06 21:27:46,441 INFO L133 SettingsManager]: * Use SBE=true [2018-11-06 21:27:46,441 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-06 21:27:46,441 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-06 21:27:46,442 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-06 21:27:46,442 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-06 21:27:46,442 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-06 21:27:46,442 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-06 21:27:46,442 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-06 21:27:46,443 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-06 21:27:46,443 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-06 21:27:46,443 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-06 21:27:46,443 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-06 21:27:46,444 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-06 21:27:46,444 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 21:27:46,444 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-06 21:27:46,444 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-06 21:27:46,444 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-06 21:27:46,445 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-06 21:27:46,445 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-06 21:27:46,445 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-06 21:27:46,445 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-06 21:27:46,445 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-06 21:27:46,517 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-06 21:27:46,532 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-06 21:27:46,536 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-06 21:27:46,537 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-06 21:27:46,537 INFO L276 PluginConnector]: CDTParser initialized [2018-11-06 21:27:46,538 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label59_true-unreach-call_false-termination.c [2018-11-06 21:27:46,607 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54ad26c52/48a65987f38547eaa4213b06382279af/FLAGc6dd2b8ab [2018-11-06 21:27:47,247 INFO L298 CDTParser]: Found 1 translation units. [2018-11-06 21:27:47,248 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label59_true-unreach-call_false-termination.c [2018-11-06 21:27:47,272 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54ad26c52/48a65987f38547eaa4213b06382279af/FLAGc6dd2b8ab [2018-11-06 21:27:47,303 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54ad26c52/48a65987f38547eaa4213b06382279af [2018-11-06 21:27:47,317 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-06 21:27:47,318 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-06 21:27:47,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-06 21:27:47,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-06 21:27:47,324 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-06 21:27:47,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:27:47" (1/1) ... [2018-11-06 21:27:47,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68185dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:27:47, skipping insertion in model container [2018-11-06 21:27:47,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:27:47" (1/1) ... [2018-11-06 21:27:47,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-06 21:27:47,402 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-06 21:27:47,930 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 21:27:47,936 INFO L189 MainTranslator]: Completed pre-run [2018-11-06 21:27:48,146 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 21:27:48,167 INFO L193 MainTranslator]: Completed translation [2018-11-06 21:27:48,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:27:48 WrapperNode [2018-11-06 21:27:48,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-06 21:27:48,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-06 21:27:48,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-06 21:27:48,170 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-06 21:27:48,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:27:48" (1/1) ... [2018-11-06 21:27:48,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:27:48" (1/1) ... [2018-11-06 21:27:48,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-06 21:27:48,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-06 21:27:48,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-06 21:27:48,405 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-06 21:27:48,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:27:48" (1/1) ... [2018-11-06 21:27:48,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:27:48" (1/1) ... [2018-11-06 21:27:48,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:27:48" (1/1) ... [2018-11-06 21:27:48,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:27:48" (1/1) ... [2018-11-06 21:27:48,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:27:48" (1/1) ... [2018-11-06 21:27:48,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:27:48" (1/1) ... [2018-11-06 21:27:48,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:27:48" (1/1) ... [2018-11-06 21:27:48,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-06 21:27:48,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-06 21:27:48,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-06 21:27:48,526 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-06 21:27:48,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:27:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 21:27:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-06 21:27:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-06 21:27:48,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-06 21:27:52,188 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-06 21:27:52,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:27:52 BoogieIcfgContainer [2018-11-06 21:27:52,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-06 21:27:52,190 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-06 21:27:52,190 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-06 21:27:52,194 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-06 21:27:52,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:27:47" (1/3) ... [2018-11-06 21:27:52,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7112f3b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:27:52, skipping insertion in model container [2018-11-06 21:27:52,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:27:48" (2/3) ... [2018-11-06 21:27:52,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7112f3b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:27:52, skipping insertion in model container [2018-11-06 21:27:52,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:27:52" (3/3) ... [2018-11-06 21:27:52,198 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label59_true-unreach-call_false-termination.c [2018-11-06 21:27:52,208 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-06 21:27:52,218 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-06 21:27:52,234 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-06 21:27:52,270 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-06 21:27:52,271 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-06 21:27:52,271 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-06 21:27:52,271 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-06 21:27:52,272 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-06 21:27:52,272 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-06 21:27:52,272 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-06 21:27:52,272 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-06 21:27:52,272 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-06 21:27:52,302 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2018-11-06 21:27:52,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-06 21:27:52,313 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:27:52,314 INFO L375 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] [2018-11-06 21:27:52,317 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:27:52,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:27:52,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1074275470, now seen corresponding path program 1 times [2018-11-06 21:27:52,327 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:27:52,327 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:27:52,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:27:52,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:27:52,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:27:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:27:52,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 21:27:52,799 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 21:27:52,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 21:27:52,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 21:27:52,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 21:27:52,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:27:52,827 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 4 states. [2018-11-06 21:27:55,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:27:55,738 INFO L93 Difference]: Finished difference Result 854 states and 1562 transitions. [2018-11-06 21:27:55,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 21:27:55,741 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2018-11-06 21:27:55,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:27:55,763 INFO L225 Difference]: With dead ends: 854 [2018-11-06 21:27:55,763 INFO L226 Difference]: Without dead ends: 601 [2018-11-06 21:27:55,768 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:27:55,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2018-11-06 21:27:55,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2018-11-06 21:27:55,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2018-11-06 21:27:55,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 997 transitions. [2018-11-06 21:27:55,855 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 997 transitions. Word has length 41 [2018-11-06 21:27:55,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:27:55,856 INFO L480 AbstractCegarLoop]: Abstraction has 601 states and 997 transitions. [2018-11-06 21:27:55,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 21:27:55,856 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 997 transitions. [2018-11-06 21:27:55,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-06 21:27:55,861 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:27:55,861 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 21:27:55,862 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:27:55,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:27:55,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1929787837, now seen corresponding path program 1 times [2018-11-06 21:27:55,863 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:27:55,863 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:27:55,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:27:55,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:27:55,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:27:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:27:56,128 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 21:27:56,128 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 21:27:56,128 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 21:27:56,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 21:27:56,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 21:27:56,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:27:56,131 INFO L87 Difference]: Start difference. First operand 601 states and 997 transitions. Second operand 4 states. [2018-11-06 21:27:58,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:27:58,969 INFO L93 Difference]: Finished difference Result 2274 states and 3860 transitions. [2018-11-06 21:27:58,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 21:27:58,970 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2018-11-06 21:27:58,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:27:58,982 INFO L225 Difference]: With dead ends: 2274 [2018-11-06 21:27:58,982 INFO L226 Difference]: Without dead ends: 1675 [2018-11-06 21:27:58,989 INFO L604 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 [2018-11-06 21:27:58,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2018-11-06 21:27:59,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1675. [2018-11-06 21:27:59,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1675 states. [2018-11-06 21:27:59,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 2493 transitions. [2018-11-06 21:27:59,065 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 2493 transitions. Word has length 108 [2018-11-06 21:27:59,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:27:59,066 INFO L480 AbstractCegarLoop]: Abstraction has 1675 states and 2493 transitions. [2018-11-06 21:27:59,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 21:27:59,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 2493 transitions. [2018-11-06 21:27:59,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-06 21:27:59,070 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:27:59,073 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 21:27:59,073 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:27:59,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:27:59,074 INFO L82 PathProgramCache]: Analyzing trace with hash -746935064, now seen corresponding path program 1 times [2018-11-06 21:27:59,074 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:27:59,074 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:27:59,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:27:59,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:27:59,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:27:59,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:27:59,414 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 21:27:59,415 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 21:27:59,415 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 21:27:59,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 21:27:59,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 21:27:59,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:27:59,416 INFO L87 Difference]: Start difference. First operand 1675 states and 2493 transitions. Second operand 4 states. [2018-11-06 21:28:02,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:28:02,382 INFO L93 Difference]: Finished difference Result 5155 states and 7650 transitions. [2018-11-06 21:28:02,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 21:28:02,383 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 110 [2018-11-06 21:28:02,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:28:02,401 INFO L225 Difference]: With dead ends: 5155 [2018-11-06 21:28:02,402 INFO L226 Difference]: Without dead ends: 3482 [2018-11-06 21:28:02,405 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:28:02,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3482 states. [2018-11-06 21:28:02,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3482 to 3480. [2018-11-06 21:28:02,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3480 states. [2018-11-06 21:28:02,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3480 states to 3480 states and 4678 transitions. [2018-11-06 21:28:02,477 INFO L78 Accepts]: Start accepts. Automaton has 3480 states and 4678 transitions. Word has length 110 [2018-11-06 21:28:02,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:28:02,477 INFO L480 AbstractCegarLoop]: Abstraction has 3480 states and 4678 transitions. [2018-11-06 21:28:02,477 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 21:28:02,478 INFO L276 IsEmpty]: Start isEmpty. Operand 3480 states and 4678 transitions. [2018-11-06 21:28:02,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-06 21:28:02,479 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:28:02,480 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 21:28:02,480 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:28:02,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:28:02,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1842032838, now seen corresponding path program 1 times [2018-11-06 21:28:02,480 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:28:02,481 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:28:02,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:28:02,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:28:02,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:28:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:28:02,634 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 21:28:02,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 21:28:02,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 21:28:02,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-06 21:28:02,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-06 21:28:02,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-06 21:28:02,636 INFO L87 Difference]: Start difference. First operand 3480 states and 4678 transitions. Second operand 3 states. [2018-11-06 21:28:03,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:28:03,523 INFO L93 Difference]: Finished difference Result 8390 states and 11299 transitions. [2018-11-06 21:28:03,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-06 21:28:03,524 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2018-11-06 21:28:03,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:28:03,544 INFO L225 Difference]: With dead ends: 8390 [2018-11-06 21:28:03,544 INFO L226 Difference]: Without dead ends: 4549 [2018-11-06 21:28:03,550 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-06 21:28:03,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4549 states. [2018-11-06 21:28:03,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4549 to 4549. [2018-11-06 21:28:03,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4549 states. [2018-11-06 21:28:03,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4549 states to 4549 states and 5794 transitions. [2018-11-06 21:28:03,633 INFO L78 Accepts]: Start accepts. Automaton has 4549 states and 5794 transitions. Word has length 122 [2018-11-06 21:28:03,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:28:03,633 INFO L480 AbstractCegarLoop]: Abstraction has 4549 states and 5794 transitions. [2018-11-06 21:28:03,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-06 21:28:03,635 INFO L276 IsEmpty]: Start isEmpty. Operand 4549 states and 5794 transitions. [2018-11-06 21:28:03,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-06 21:28:03,638 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:28:03,640 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 21:28:03,640 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:28:03,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:28:03,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1157435824, now seen corresponding path program 1 times [2018-11-06 21:28:03,641 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:28:03,641 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:28:03,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:28:03,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:28:03,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:28:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:28:04,116 WARN L179 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 9 [2018-11-06 21:28:04,244 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 143 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-06 21:28:04,245 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 21:28:04,245 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 21:28:04,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:28:04,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:28:04,335 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 21:28:04,540 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-06 21:28:04,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 21:28:04,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2018-11-06 21:28:04,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-06 21:28:04,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-06 21:28:04,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-06 21:28:04,578 INFO L87 Difference]: Start difference. First operand 4549 states and 5794 transitions. Second operand 6 states. [2018-11-06 21:28:05,858 WARN L179 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 15 [2018-11-06 21:28:10,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:28:10,980 INFO L93 Difference]: Finished difference Result 10711 states and 13524 transitions. [2018-11-06 21:28:10,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-06 21:28:10,984 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 214 [2018-11-06 21:28:10,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:28:10,999 INFO L225 Difference]: With dead ends: 10711 [2018-11-06 21:28:10,999 INFO L226 Difference]: Without dead ends: 3799 [2018-11-06 21:28:11,008 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 216 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2018-11-06 21:28:11,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3799 states. [2018-11-06 21:28:11,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3799 to 3620. [2018-11-06 21:28:11,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3620 states. [2018-11-06 21:28:11,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3620 states to 3620 states and 4050 transitions. [2018-11-06 21:28:11,074 INFO L78 Accepts]: Start accepts. Automaton has 3620 states and 4050 transitions. Word has length 214 [2018-11-06 21:28:11,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:28:11,075 INFO L480 AbstractCegarLoop]: Abstraction has 3620 states and 4050 transitions. [2018-11-06 21:28:11,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-06 21:28:11,075 INFO L276 IsEmpty]: Start isEmpty. Operand 3620 states and 4050 transitions. [2018-11-06 21:28:11,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2018-11-06 21:28:11,085 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:28:11,086 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 21:28:11,086 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:28:11,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:28:11,087 INFO L82 PathProgramCache]: Analyzing trace with hash -958720867, now seen corresponding path program 1 times [2018-11-06 21:28:11,087 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:28:11,087 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:28:11,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:28:11,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:28:11,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:28:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:28:11,634 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 12 [2018-11-06 21:28:12,032 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 373 proven. 46 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-06 21:28:12,033 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 21:28:12,033 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 21:28:12,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:28:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:28:12,168 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 21:28:12,564 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 396 proven. 23 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-06 21:28:12,586 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-06 21:28:12,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-06 21:28:12,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-06 21:28:12,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-06 21:28:12,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-11-06 21:28:12,588 INFO L87 Difference]: Start difference. First operand 3620 states and 4050 transitions. Second operand 9 states. [2018-11-06 21:28:16,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:28:16,265 INFO L93 Difference]: Finished difference Result 7310 states and 8172 transitions. [2018-11-06 21:28:16,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-06 21:28:16,266 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 448 [2018-11-06 21:28:16,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:28:16,279 INFO L225 Difference]: With dead ends: 7310 [2018-11-06 21:28:16,279 INFO L226 Difference]: Without dead ends: 3871 [2018-11-06 21:28:16,284 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 446 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2018-11-06 21:28:16,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3871 states. [2018-11-06 21:28:16,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3871 to 3620. [2018-11-06 21:28:16,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3620 states. [2018-11-06 21:28:16,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3620 states to 3620 states and 4048 transitions. [2018-11-06 21:28:16,352 INFO L78 Accepts]: Start accepts. Automaton has 3620 states and 4048 transitions. Word has length 448 [2018-11-06 21:28:16,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:28:16,353 INFO L480 AbstractCegarLoop]: Abstraction has 3620 states and 4048 transitions. [2018-11-06 21:28:16,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-06 21:28:16,353 INFO L276 IsEmpty]: Start isEmpty. Operand 3620 states and 4048 transitions. [2018-11-06 21:28:16,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 669 [2018-11-06 21:28:16,372 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:28:16,373 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-06 21:28:16,373 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:28:16,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:28:16,374 INFO L82 PathProgramCache]: Analyzing trace with hash 2076581963, now seen corresponding path program 1 times [2018-11-06 21:28:16,374 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:28:16,374 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:28:16,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:28:16,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:28:16,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:28:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:28:17,034 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-06 21:28:17,275 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-06 21:28:17,469 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-11-06 21:28:17,728 WARN L179 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-11-06 21:28:18,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1293 backedges. 937 proven. 201 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-11-06 21:28:18,608 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 21:28:18,608 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 21:28:18,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:28:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:28:18,763 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 21:28:20,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1293 backedges. 844 proven. 93 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2018-11-06 21:28:20,085 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-06 21:28:20,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4] total 9 [2018-11-06 21:28:20,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-06 21:28:20,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-06 21:28:20,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2018-11-06 21:28:20,088 INFO L87 Difference]: Start difference. First operand 3620 states and 4048 transitions. Second operand 10 states. [2018-11-06 21:28:23,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:28:23,218 INFO L93 Difference]: Finished difference Result 7839 states and 8832 transitions. [2018-11-06 21:28:23,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-06 21:28:23,220 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 668 [2018-11-06 21:28:23,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:28:23,238 INFO L225 Difference]: With dead ends: 7839 [2018-11-06 21:28:23,239 INFO L226 Difference]: Without dead ends: 4400 [2018-11-06 21:28:23,242 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 678 GetRequests, 667 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2018-11-06 21:28:23,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4400 states. [2018-11-06 21:28:23,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4400 to 4336. [2018-11-06 21:28:23,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4336 states. [2018-11-06 21:28:23,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4336 states to 4336 states and 4833 transitions. [2018-11-06 21:28:23,309 INFO L78 Accepts]: Start accepts. Automaton has 4336 states and 4833 transitions. Word has length 668 [2018-11-06 21:28:23,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:28:23,310 INFO L480 AbstractCegarLoop]: Abstraction has 4336 states and 4833 transitions. [2018-11-06 21:28:23,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-06 21:28:23,311 INFO L276 IsEmpty]: Start isEmpty. Operand 4336 states and 4833 transitions. [2018-11-06 21:28:23,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 695 [2018-11-06 21:28:23,333 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:28:23,334 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-06 21:28:23,334 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:28:23,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:28:23,334 INFO L82 PathProgramCache]: Analyzing trace with hash -553285236, now seen corresponding path program 1 times [2018-11-06 21:28:23,335 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:28:23,335 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:28:23,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:28:23,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:28:23,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:28:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:28:24,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 936 proven. 33 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2018-11-06 21:28:24,484 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 21:28:24,484 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 21:28:24,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:28:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:28:24,655 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 21:28:24,926 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 19 [2018-11-06 21:28:25,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 1002 proven. 0 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2018-11-06 21:28:25,672 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 21:28:25,672 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-06 21:28:25,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-06 21:28:25,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-06 21:28:25,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-06 21:28:25,674 INFO L87 Difference]: Start difference. First operand 4336 states and 4833 transitions. Second operand 6 states. [2018-11-06 21:28:29,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:28:29,234 INFO L93 Difference]: Finished difference Result 10122 states and 11322 transitions. [2018-11-06 21:28:29,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-06 21:28:29,234 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 694 [2018-11-06 21:28:29,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:28:29,238 INFO L225 Difference]: With dead ends: 10122 [2018-11-06 21:28:29,238 INFO L226 Difference]: Without dead ends: 0 [2018-11-06 21:28:29,246 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 700 GetRequests, 694 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-06 21:28:29,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-06 21:28:29,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-06 21:28:29,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-06 21:28:29,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-06 21:28:29,247 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 694 [2018-11-06 21:28:29,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:28:29,247 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-06 21:28:29,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-06 21:28:29,247 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-06 21:28:29,248 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-06 21:28:29,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-06 21:28:30,420 WARN L179 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 62 DAG size of output: 22 [2018-11-06 21:28:30,624 WARN L179 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 22 [2018-11-06 21:28:30,628 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-06 21:28:30,628 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-06 21:28:30,628 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,628 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,628 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,628 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-06 21:28:30,629 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-06 21:28:30,629 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-06 21:28:30,629 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-06 21:28:30,629 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-06 21:28:30,629 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-06 21:28:30,629 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-06 21:28:30,629 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-06 21:28:30,629 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,629 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,630 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,630 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-06 21:28:30,630 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-06 21:28:30,630 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-06 21:28:30,630 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-06 21:28:30,630 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-06 21:28:30,630 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-06 21:28:30,630 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-06 21:28:30,630 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-06 21:28:30,630 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,631 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,631 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,631 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-06 21:28:30,631 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-06 21:28:30,631 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-06 21:28:30,631 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-06 21:28:30,631 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-06 21:28:30,631 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-06 21:28:30,631 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-06 21:28:30,632 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-06 21:28:30,632 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-06 21:28:30,632 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,632 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,632 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,632 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-06 21:28:30,632 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-06 21:28:30,632 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-06 21:28:30,633 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-06 21:28:30,633 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-06 21:28:30,633 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-06 21:28:30,633 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-06 21:28:30,633 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,633 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,633 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,633 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-06 21:28:30,634 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-06 21:28:30,634 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-06 21:28:30,634 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-06 21:28:30,634 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 124) no Hoare annotation was computed. [2018-11-06 21:28:30,634 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-06 21:28:30,634 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-06 21:28:30,634 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-06 21:28:30,635 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-06 21:28:30,635 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-06 21:28:30,635 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,635 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,635 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,635 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-06 21:28:30,635 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-06 21:28:30,635 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-06 21:28:30,635 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-06 21:28:30,636 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-06 21:28:30,636 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-06 21:28:30,636 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-06 21:28:30,636 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-06 21:28:30,636 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,636 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,636 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,636 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-06 21:28:30,637 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-06 21:28:30,637 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-06 21:28:30,637 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-06 21:28:30,637 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-06 21:28:30,637 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-06 21:28:30,637 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-06 21:28:30,637 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-06 21:28:30,637 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,638 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,638 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,638 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-06 21:28:30,638 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-06 21:28:30,638 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-06 21:28:30,638 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-06 21:28:30,638 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-06 21:28:30,638 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-06 21:28:30,638 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-06 21:28:30,638 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-06 21:28:30,638 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-06 21:28:30,638 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,639 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,639 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,639 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-06 21:28:30,639 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-06 21:28:30,639 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-06 21:28:30,639 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-06 21:28:30,639 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-06 21:28:30,639 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-06 21:28:30,639 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-06 21:28:30,639 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-06 21:28:30,639 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,639 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,639 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,639 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-06 21:28:30,640 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-06 21:28:30,640 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-06 21:28:30,640 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-06 21:28:30,640 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-06 21:28:30,640 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-06 21:28:30,640 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-11-06 21:28:30,640 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-06 21:28:30,640 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-06 21:28:30,640 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,640 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,640 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,640 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-06 21:28:30,640 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-06 21:28:30,641 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-06 21:28:30,641 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-06 21:28:30,641 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-06 21:28:30,641 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-06 21:28:30,641 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-06 21:28:30,641 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-06 21:28:30,641 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,641 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,641 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,642 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-06 21:28:30,642 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-06 21:28:30,642 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-06 21:28:30,642 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-06 21:28:30,642 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-06 21:28:30,642 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-06 21:28:30,642 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-06 21:28:30,642 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-06 21:28:30,642 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,643 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,643 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-06 21:28:30,643 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-06 21:28:30,643 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-06 21:28:30,643 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-06 21:28:30,643 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-06 21:28:30,643 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-06 21:28:30,643 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-06 21:28:30,643 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-06 21:28:30,644 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,644 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,644 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-06 21:28:30,644 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-06 21:28:30,644 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-06 21:28:30,644 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-06 21:28:30,644 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-06 21:28:30,644 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-06 21:28:30,644 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,644 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,645 INFO L421 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 7))) (or (and .cse0 (< 0 (+ ~a12~0 43))) (and .cse0 (= ~a24~0 1)) (not (= ~a21~0 6)) (<= 23 ~a12~0) (= ~a15~0 5))) [2018-11-06 21:28:30,645 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-06 21:28:30,645 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-06 21:28:30,645 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-06 21:28:30,645 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-06 21:28:30,645 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-06 21:28:30,645 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-06 21:28:30,645 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-06 21:28:30,646 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-06 21:28:30,646 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,646 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,646 INFO L428 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2018-11-06 21:28:30,646 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-06 21:28:30,646 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-06 21:28:30,646 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-06 21:28:30,646 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-06 21:28:30,646 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-06 21:28:30,646 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-06 21:28:30,646 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-06 21:28:30,646 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,647 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,647 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-06 21:28:30,647 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-06 21:28:30,647 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-06 21:28:30,647 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-06 21:28:30,647 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-11-06 21:28:30,647 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-06 21:28:30,647 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-06 21:28:30,647 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,648 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,648 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-06 21:28:30,648 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,648 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-11-06 21:28:30,648 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-06 21:28:30,648 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 7))) (or (and .cse0 (< 0 (+ ~a12~0 43))) (and .cse0 (= ~a24~0 1)) (not (= ~a21~0 6)) (<= 23 ~a12~0) (= ~a15~0 5))) [2018-11-06 21:28:30,648 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-06 21:28:30,648 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-06 21:28:30,648 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-06 21:28:30,649 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-06 21:28:30,649 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-06 21:28:30,649 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-06 21:28:30,649 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-06 21:28:30,649 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-06 21:28:30,649 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-06 21:28:30,649 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,649 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,649 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,649 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-06 21:28:30,649 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-06 21:28:30,649 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-06 21:28:30,649 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-06 21:28:30,649 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-06 21:28:30,650 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-06 21:28:30,650 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-06 21:28:30,650 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-06 21:28:30,650 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-06 21:28:30,650 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,650 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,650 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,650 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-06 21:28:30,650 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-06 21:28:30,650 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-06 21:28:30,650 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-06 21:28:30,650 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-06 21:28:30,650 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-06 21:28:30,651 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-06 21:28:30,651 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-06 21:28:30,651 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-06 21:28:30,651 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,651 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,651 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,651 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-06 21:28:30,651 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-06 21:28:30,651 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-06 21:28:30,651 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-06 21:28:30,651 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-06 21:28:30,651 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-06 21:28:30,651 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-06 21:28:30,651 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-06 21:28:30,652 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-06 21:28:30,652 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,652 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,652 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 872) no Hoare annotation was computed. [2018-11-06 21:28:30,652 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-06 21:28:30,652 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-06 21:28:30,652 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-06 21:28:30,652 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-06 21:28:30,652 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-06 21:28:30,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:28:30 BoogieIcfgContainer [2018-11-06 21:28:30,674 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-06 21:28:30,675 INFO L168 Benchmark]: Toolchain (without parser) took 43357.57 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 485.3 MB. Max. memory is 7.1 GB. [2018-11-06 21:28:30,676 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-06 21:28:30,677 INFO L168 Benchmark]: CACSL2BoogieTranslator took 848.73 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-11-06 21:28:30,678 INFO L168 Benchmark]: Boogie Procedure Inliner took 232.36 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 747.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -836.8 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. [2018-11-06 21:28:30,679 INFO L168 Benchmark]: Boogie Preprocessor took 122.87 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2018-11-06 21:28:30,680 INFO L168 Benchmark]: RCFGBuilder took 3663.78 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 130.8 MB). Peak memory consumption was 130.8 MB. Max. memory is 7.1 GB. [2018-11-06 21:28:30,681 INFO L168 Benchmark]: TraceAbstraction took 38484.26 ms. Allocated memory was 2.3 GB in the beginning and 3.2 GB in the end (delta: 943.7 MB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -555.1 MB). Peak memory consumption was 388.6 MB. Max. memory is 7.1 GB. [2018-11-06 21:28:30,686 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 848.73 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 232.36 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 747.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -836.8 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.87 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3663.78 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 130.8 MB). Peak memory consumption was 130.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 38484.26 ms. Allocated memory was 2.3 GB in the beginning and 3.2 GB in the end (delta: 943.7 MB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -555.1 MB). Peak memory consumption was 388.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 124]: 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: 880]: Loop Invariant Derived loop invariant: ((((a15 <= 7 && 0 < a12 + 43) || (a15 <= 7 && a24 == 1)) || !(a21 == 6)) || 23 <= a12) || a15 == 5 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((a15 <= 7 && 0 < a12 + 43) || (a15 <= 7 && a24 == 1)) || !(a21 == 6)) || 23 <= a12) || a15 == 5 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. SAFE Result, 38.3s OverallTime, 8 OverallIterations, 6 TraceHistogramMax, 26.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1542 SDtfs, 4932 SDslu, 926 SDs, 0 SdLazy, 12208 SolverSat, 2052 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2073 GetRequests, 2028 SyntacticMatches, 6 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4549occurred in iteration=4, 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: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 496 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 106 NumberOfFragments, 55 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4830 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 474 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 4429 NumberOfCodeBlocks, 4429 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 4417 ConstructedInterpolants, 39 QuantifiedInterpolants, 12776928 SizeOfPredicates, 10 NumberOfNonLiveVariables, 2507 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 6167/6568 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...