java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-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/Problem10_label37_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 16:02:27,155 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 16:02:27,158 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 16:02:27,170 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 16:02:27,170 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 16:02:27,171 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 16:02:27,173 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 16:02:27,174 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 16:02:27,176 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 16:02:27,177 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 16:02:27,178 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 16:02:27,178 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 16:02:27,179 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 16:02:27,180 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 16:02:27,181 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 16:02:27,182 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 16:02:27,185 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 16:02:27,187 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 16:02:27,193 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 16:02:27,195 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 16:02:27,198 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 16:02:27,200 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 16:02:27,204 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 16:02:27,204 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 16:02:27,204 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 16:02:27,205 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 16:02:27,206 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 16:02:27,207 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 16:02:27,208 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 16:02:27,209 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 16:02:27,209 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 16:02:27,213 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-24 16:02:27,215 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-24 16:02:27,243 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 16:02:27,243 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 16:02:27,244 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 16:02:27,244 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 16:02:27,245 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 16:02:27,245 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 16:02:27,245 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 16:02:27,245 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 16:02:27,246 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 16:02:27,246 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 16:02:27,246 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 16:02:27,246 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 16:02:27,246 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 16:02:27,246 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 16:02:27,247 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 16:02:27,247 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 16:02:27,247 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 16:02:27,247 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 16:02:27,248 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 16:02:27,248 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 16:02:27,248 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 16:02:27,248 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 16:02:27,248 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 16:02:27,248 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 16:02:27,249 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 16:02:27,249 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 16:02:27,249 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 16:02:27,249 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 16:02:27,304 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 16:02:27,316 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 16:02:27,319 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 16:02:27,321 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 16:02:27,321 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 16:02:27,322 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label37_true-unreach-call.c [2018-10-24 16:02:27,383 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ba4c2f5dd/1597fbf69bd7485e9208cc2de7587a99/FLAG48eb07737 [2018-10-24 16:02:27,923 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 16:02:27,924 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label37_true-unreach-call.c [2018-10-24 16:02:27,937 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ba4c2f5dd/1597fbf69bd7485e9208cc2de7587a99/FLAG48eb07737 [2018-10-24 16:02:27,952 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ba4c2f5dd/1597fbf69bd7485e9208cc2de7587a99 [2018-10-24 16:02:27,963 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 16:02:27,965 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 16:02:27,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 16:02:27,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 16:02:27,970 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 16:02:27,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:02:27" (1/1) ... [2018-10-24 16:02:27,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69cfedbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:27, skipping insertion in model container [2018-10-24 16:02:27,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:02:27" (1/1) ... [2018-10-24 16:02:27,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 16:02:28,040 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 16:02:28,537 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:02:28,549 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 16:02:28,678 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:02:28,701 INFO L193 MainTranslator]: Completed translation [2018-10-24 16:02:28,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:28 WrapperNode [2018-10-24 16:02:28,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 16:02:28,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 16:02:28,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 16:02:28,703 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 16:02:28,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:28" (1/1) ... [2018-10-24 16:02:28,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:28" (1/1) ... [2018-10-24 16:02:28,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 16:02:28,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 16:02:28,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 16:02:28,883 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 16:02:28,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:28" (1/1) ... [2018-10-24 16:02:28,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:28" (1/1) ... [2018-10-24 16:02:28,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:28" (1/1) ... [2018-10-24 16:02:28,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:28" (1/1) ... [2018-10-24 16:02:28,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:28" (1/1) ... [2018-10-24 16:02:28,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:28" (1/1) ... [2018-10-24 16:02:28,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:28" (1/1) ... [2018-10-24 16:02:28,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 16:02:28,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 16:02:28,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 16:02:28,996 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 16:02:28,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 16:02:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 16:02:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 16:02:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 16:02:32,115 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 16:02:32,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:02:32 BoogieIcfgContainer [2018-10-24 16:02:32,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 16:02:32,122 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 16:02:32,122 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 16:02:32,126 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 16:02:32,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:02:27" (1/3) ... [2018-10-24 16:02:32,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2127c04a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:02:32, skipping insertion in model container [2018-10-24 16:02:32,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:28" (2/3) ... [2018-10-24 16:02:32,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2127c04a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:02:32, skipping insertion in model container [2018-10-24 16:02:32,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:02:32" (3/3) ... [2018-10-24 16:02:32,133 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label37_true-unreach-call.c [2018-10-24 16:02:32,146 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 16:02:32,157 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 16:02:32,176 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 16:02:32,213 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 16:02:32,214 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 16:02:32,214 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 16:02:32,215 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 16:02:32,215 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 16:02:32,215 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 16:02:32,215 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 16:02:32,216 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 16:02:32,216 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 16:02:32,240 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-10-24 16:02:32,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-24 16:02:32,251 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:02:32,252 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:02:32,255 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:02:32,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:02:32,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1306950314, now seen corresponding path program 1 times [2018-10-24 16:02:32,264 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:02:32,265 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:02:32,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:32,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:32,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:32,766 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-10-24 16:02:32,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:02:32,789 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:02:32,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:02:32,797 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:02:32,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:02:32,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:32,821 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2018-10-24 16:02:35,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:02:35,627 INFO L93 Difference]: Finished difference Result 713 states and 1265 transitions. [2018-10-24 16:02:35,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:02:35,630 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 55 [2018-10-24 16:02:35,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:02:35,653 INFO L225 Difference]: With dead ends: 713 [2018-10-24 16:02:35,653 INFO L226 Difference]: Without dead ends: 499 [2018-10-24 16:02:35,658 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:35,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2018-10-24 16:02:35,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 344. [2018-10-24 16:02:35,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2018-10-24 16:02:35,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 565 transitions. [2018-10-24 16:02:35,743 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 565 transitions. Word has length 55 [2018-10-24 16:02:35,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:02:35,744 INFO L481 AbstractCegarLoop]: Abstraction has 344 states and 565 transitions. [2018-10-24 16:02:35,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:02:35,746 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 565 transitions. [2018-10-24 16:02:35,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-24 16:02:35,756 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:02:35,756 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, 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] [2018-10-24 16:02:35,757 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:02:35,757 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:02:35,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1356299592, now seen corresponding path program 1 times [2018-10-24 16:02:35,758 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:02:35,758 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:02:35,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:35,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:35,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:36,095 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:02:36,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:02:36,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:02:36,099 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:02:36,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:02:36,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:36,100 INFO L87 Difference]: Start difference. First operand 344 states and 565 transitions. Second operand 4 states. [2018-10-24 16:02:37,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:02:37,680 INFO L93 Difference]: Finished difference Result 1246 states and 2132 transitions. [2018-10-24 16:02:37,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:02:37,684 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2018-10-24 16:02:37,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:02:37,692 INFO L225 Difference]: With dead ends: 1246 [2018-10-24 16:02:37,692 INFO L226 Difference]: Without dead ends: 904 [2018-10-24 16:02:37,697 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:37,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2018-10-24 16:02:37,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 904. [2018-10-24 16:02:37,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 904 states. [2018-10-24 16:02:37,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1379 transitions. [2018-10-24 16:02:37,752 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1379 transitions. Word has length 126 [2018-10-24 16:02:37,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:02:37,753 INFO L481 AbstractCegarLoop]: Abstraction has 904 states and 1379 transitions. [2018-10-24 16:02:37,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:02:37,754 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1379 transitions. [2018-10-24 16:02:37,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-24 16:02:37,759 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:02:37,760 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, 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] [2018-10-24 16:02:37,764 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:02:37,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:02:37,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1312622961, now seen corresponding path program 1 times [2018-10-24 16:02:37,764 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:02:37,764 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:02:37,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:37,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:37,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:38,380 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 51 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:02:38,381 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:02:38,381 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 16:02:38,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:38,492 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:02:38,584 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:02:38,615 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 16:02:38,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2018-10-24 16:02:38,616 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-24 16:02:38,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-24 16:02:38,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-10-24 16:02:38,617 INFO L87 Difference]: Start difference. First operand 904 states and 1379 transitions. Second operand 10 states. [2018-10-24 16:02:47,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:02:47,178 INFO L93 Difference]: Finished difference Result 3342 states and 5214 transitions. [2018-10-24 16:02:47,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-24 16:02:47,179 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 131 [2018-10-24 16:02:47,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:02:47,195 INFO L225 Difference]: With dead ends: 3342 [2018-10-24 16:02:47,196 INFO L226 Difference]: Without dead ends: 1876 [2018-10-24 16:02:47,198 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2018-10-24 16:02:47,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1876 states. [2018-10-24 16:02:47,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1876 to 1876. [2018-10-24 16:02:47,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1876 states. [2018-10-24 16:02:47,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2584 transitions. [2018-10-24 16:02:47,248 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2584 transitions. Word has length 131 [2018-10-24 16:02:47,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:02:47,249 INFO L481 AbstractCegarLoop]: Abstraction has 1876 states and 2584 transitions. [2018-10-24 16:02:47,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-24 16:02:47,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2584 transitions. [2018-10-24 16:02:47,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-24 16:02:47,257 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:02:47,258 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:02:47,259 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:02:47,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:02:47,260 INFO L82 PathProgramCache]: Analyzing trace with hash 638130880, now seen corresponding path program 1 times [2018-10-24 16:02:47,260 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:02:47,260 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:02:47,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:47,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:47,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:47,658 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:02:47,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:02:47,659 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:02:47,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:02:47,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:02:47,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:47,662 INFO L87 Difference]: Start difference. First operand 1876 states and 2584 transitions. Second operand 4 states. [2018-10-24 16:02:49,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:02:49,667 INFO L93 Difference]: Finished difference Result 4868 states and 6655 transitions. [2018-10-24 16:02:49,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:02:49,668 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 174 [2018-10-24 16:02:49,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:02:49,683 INFO L225 Difference]: With dead ends: 4868 [2018-10-24 16:02:49,683 INFO L226 Difference]: Without dead ends: 2994 [2018-10-24 16:02:49,686 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:49,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2994 states. [2018-10-24 16:02:49,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2994 to 2854. [2018-10-24 16:02:49,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2854 states. [2018-10-24 16:02:49,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 2854 states and 3605 transitions. [2018-10-24 16:02:49,739 INFO L78 Accepts]: Start accepts. Automaton has 2854 states and 3605 transitions. Word has length 174 [2018-10-24 16:02:49,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:02:49,739 INFO L481 AbstractCegarLoop]: Abstraction has 2854 states and 3605 transitions. [2018-10-24 16:02:49,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:02:49,740 INFO L276 IsEmpty]: Start isEmpty. Operand 2854 states and 3605 transitions. [2018-10-24 16:02:49,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-24 16:02:49,745 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:02:49,745 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:02:49,745 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:02:49,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:02:49,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1254736028, now seen corresponding path program 1 times [2018-10-24 16:02:49,746 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:02:49,746 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:02:49,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:49,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:49,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:50,166 WARN L179 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 6 [2018-10-24 16:02:50,456 WARN L179 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 8 [2018-10-24 16:02:50,531 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-24 16:02:50,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:02:50,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:02:50,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 16:02:50,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 16:02:50,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 16:02:50,533 INFO L87 Difference]: Start difference. First operand 2854 states and 3605 transitions. Second operand 5 states. [2018-10-24 16:02:53,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:02:53,775 INFO L93 Difference]: Finished difference Result 8934 states and 11222 transitions. [2018-10-24 16:02:53,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-24 16:02:53,777 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 224 [2018-10-24 16:02:53,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:02:53,804 INFO L225 Difference]: With dead ends: 8934 [2018-10-24 16:02:53,804 INFO L226 Difference]: Without dead ends: 6082 [2018-10-24 16:02:53,809 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 16:02:53,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6082 states. [2018-10-24 16:02:53,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6082 to 4951. [2018-10-24 16:02:53,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4951 states. [2018-10-24 16:02:53,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4951 states to 4951 states and 5972 transitions. [2018-10-24 16:02:53,903 INFO L78 Accepts]: Start accepts. Automaton has 4951 states and 5972 transitions. Word has length 224 [2018-10-24 16:02:53,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:02:53,903 INFO L481 AbstractCegarLoop]: Abstraction has 4951 states and 5972 transitions. [2018-10-24 16:02:53,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 16:02:53,904 INFO L276 IsEmpty]: Start isEmpty. Operand 4951 states and 5972 transitions. [2018-10-24 16:02:53,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-10-24 16:02:53,914 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:02:53,914 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, 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, 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] [2018-10-24 16:02:53,914 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:02:53,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:02:53,915 INFO L82 PathProgramCache]: Analyzing trace with hash -163267824, now seen corresponding path program 1 times [2018-10-24 16:02:53,915 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:02:53,915 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:02:53,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:53,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:53,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:54,340 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2018-10-24 16:02:54,340 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:02:54,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:02:54,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:02:54,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:02:54,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:54,342 INFO L87 Difference]: Start difference. First operand 4951 states and 5972 transitions. Second operand 4 states. [2018-10-24 16:02:55,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:02:55,703 INFO L93 Difference]: Finished difference Result 11575 states and 14169 transitions. [2018-10-24 16:02:55,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:02:55,703 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 291 [2018-10-24 16:02:55,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:02:55,704 INFO L225 Difference]: With dead ends: 11575 [2018-10-24 16:02:55,704 INFO L226 Difference]: Without dead ends: 0 [2018-10-24 16:02:55,716 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:55,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-24 16:02:55,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-24 16:02:55,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-24 16:02:55,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-24 16:02:55,717 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 291 [2018-10-24 16:02:55,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:02:55,717 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-24 16:02:55,717 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:02:55,718 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-24 16:02:55,718 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-24 16:02:55,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-24 16:02:55,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:02:55,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:02:56,058 WARN L179 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2018-10-24 16:02:56,316 WARN L179 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2018-10-24 16:02:56,320 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-10-24 16:02:56,320 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,320 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,320 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,320 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,320 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,320 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,321 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-10-24 16:02:56,321 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-10-24 16:02:56,321 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-10-24 16:02:56,321 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-10-24 16:02:56,321 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-24 16:02:56,321 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-10-24 16:02:56,321 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-10-24 16:02:56,321 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-10-24 16:02:56,321 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-10-24 16:02:56,322 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-10-24 16:02:56,322 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-10-24 16:02:56,322 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,322 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,322 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,322 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,322 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,322 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-10-24 16:02:56,322 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-10-24 16:02:56,323 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-10-24 16:02:56,323 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-10-24 16:02:56,323 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-10-24 16:02:56,323 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-24 16:02:56,323 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-10-24 16:02:56,323 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-10-24 16:02:56,323 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-24 16:02:56,324 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-10-24 16:02:56,324 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-10-24 16:02:56,324 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-10-24 16:02:56,324 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-10-24 16:02:56,324 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-10-24 16:02:56,324 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,325 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,325 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,325 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,325 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,325 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-10-24 16:02:56,325 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-10-24 16:02:56,326 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-10-24 16:02:56,326 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-10-24 16:02:56,326 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-10-24 16:02:56,326 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-10-24 16:02:56,327 INFO L421 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse0 (not (= ~a10~0 3))) (.cse4 (<= ~a1~0 38)) (.cse1 (not (= ~a19~0 10))) (.cse2 (= ~a12~0 0)) (.cse3 (= ~a4~0 14))) (or (and .cse0 .cse1 .cse2 (<= 8 ~a19~0) .cse3) (and .cse0 (not (= 4 ~a10~0)) .cse2 .cse3) (and (= ~a19~0 9) .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 (< 0 (+ ~a1~0 13)) .cse3))) [2018-10-24 16:02:56,327 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-10-24 16:02:56,327 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-10-24 16:02:56,327 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-10-24 16:02:56,327 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-10-24 16:02:56,328 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,328 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,328 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,328 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,328 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,328 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-10-24 16:02:56,329 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-10-24 16:02:56,329 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-10-24 16:02:56,329 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-10-24 16:02:56,329 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-10-24 16:02:56,329 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-10-24 16:02:56,329 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-10-24 16:02:56,330 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-10-24 16:02:56,330 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-10-24 16:02:56,330 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-10-24 16:02:56,330 INFO L428 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2018-10-24 16:02:56,330 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-10-24 16:02:56,330 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-10-24 16:02:56,331 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-10-24 16:02:56,331 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,331 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,331 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,331 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,331 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,332 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-10-24 16:02:56,332 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-24 16:02:56,332 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-10-24 16:02:56,332 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-10-24 16:02:56,332 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-10-24 16:02:56,332 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-10-24 16:02:56,333 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-10-24 16:02:56,333 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-10-24 16:02:56,333 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-10-24 16:02:56,333 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,333 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,333 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,334 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,334 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,334 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-10-24 16:02:56,334 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-10-24 16:02:56,334 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-10-24 16:02:56,334 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-10-24 16:02:56,335 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-10-24 16:02:56,335 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-10-24 16:02:56,335 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-10-24 16:02:56,335 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-24 16:02:56,335 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-24 16:02:56,335 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-10-24 16:02:56,336 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-10-24 16:02:56,336 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-24 16:02:56,336 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-10-24 16:02:56,336 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-10-24 16:02:56,336 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a10~0 3))) (.cse4 (<= ~a1~0 38)) (.cse1 (not (= ~a19~0 10))) (.cse2 (= ~a12~0 0)) (.cse3 (= ~a4~0 14))) (or (and .cse0 .cse1 .cse2 (<= 8 ~a19~0) .cse3) (and .cse0 (not (= 4 ~a10~0)) .cse2 .cse3) (and (= ~a19~0 9) .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 (< 0 (+ ~a1~0 13)) .cse3))) [2018-10-24 16:02:56,337 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-10-24 16:02:56,337 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,337 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,337 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,337 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,337 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,337 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-10-24 16:02:56,338 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,338 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-10-24 16:02:56,338 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-10-24 16:02:56,338 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-10-24 16:02:56,338 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-10-24 16:02:56,338 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-10-24 16:02:56,338 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-10-24 16:02:56,339 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-10-24 16:02:56,339 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-10-24 16:02:56,339 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-24 16:02:56,339 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 166) no Hoare annotation was computed. [2018-10-24 16:02:56,339 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-10-24 16:02:56,340 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-10-24 16:02:56,340 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-10-24 16:02:56,340 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-10-24 16:02:56,340 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,340 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,340 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,341 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,341 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,341 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,341 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-10-24 16:02:56,341 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-10-24 16:02:56,341 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-10-24 16:02:56,341 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-24 16:02:56,342 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-10-24 16:02:56,342 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-10-24 16:02:56,342 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-10-24 16:02:56,342 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-10-24 16:02:56,342 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-24 16:02:56,342 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-24 16:02:56,343 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-10-24 16:02:56,343 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-10-24 16:02:56,343 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-10-24 16:02:56,343 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-10-24 16:02:56,343 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-10-24 16:02:56,343 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-10-24 16:02:56,344 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,344 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,344 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,344 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,344 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,344 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,345 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-10-24 16:02:56,345 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-10-24 16:02:56,345 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-10-24 16:02:56,345 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-10-24 16:02:56,345 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-10-24 16:02:56,345 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-24 16:02:56,345 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-24 16:02:56,346 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-24 16:02:56,346 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-10-24 16:02:56,346 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-10-24 16:02:56,346 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-10-24 16:02:56,346 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-10-24 16:02:56,346 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-10-24 16:02:56,347 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-10-24 16:02:56,347 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,347 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,347 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,347 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,347 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,347 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,348 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-10-24 16:02:56,348 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-10-24 16:02:56,348 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-10-24 16:02:56,348 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-10-24 16:02:56,348 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-10-24 16:02:56,348 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-24 16:02:56,349 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-10-24 16:02:56,349 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-10-24 16:02:56,349 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-10-24 16:02:56,349 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-10-24 16:02:56,349 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-10-24 16:02:56,349 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-24 16:02:56,349 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-10-24 16:02:56,350 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,350 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,350 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,350 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,350 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,350 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:56,350 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-10-24 16:02:56,351 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-10-24 16:02:56,351 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-10-24 16:02:56,351 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-10-24 16:02:56,351 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-10-24 16:02:56,351 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-10-24 16:02:56,351 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-10-24 16:02:56,351 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-10-24 16:02:56,352 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-24 16:02:56,352 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-10-24 16:02:56,352 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-10-24 16:02:56,352 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-10-24 16:02:56,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 04:02:56 BoogieIcfgContainer [2018-10-24 16:02:56,371 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 16:02:56,372 INFO L168 Benchmark]: Toolchain (without parser) took 28408.32 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -309.8 MB). Peak memory consumption was 756.6 MB. Max. memory is 7.1 GB. [2018-10-24 16:02:56,373 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-10-24 16:02:56,374 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.13 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-24 16:02:56,375 INFO L168 Benchmark]: Boogie Procedure Inliner took 179.69 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 750.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -816.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. [2018-10-24 16:02:56,376 INFO L168 Benchmark]: Boogie Preprocessor took 112.42 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 16:02:56,377 INFO L168 Benchmark]: RCFGBuilder took 3125.50 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: 117.5 MB). Peak memory consumption was 117.5 MB. Max. memory is 7.1 GB. [2018-10-24 16:02:56,377 INFO L168 Benchmark]: TraceAbstraction took 24249.49 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 316.1 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 357.2 MB). Peak memory consumption was 673.3 MB. Max. memory is 7.1 GB. [2018-10-24 16:02:56,383 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 736.13 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 179.69 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 750.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -816.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.42 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3125.50 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: 117.5 MB). Peak memory consumption was 117.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24249.49 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 316.1 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 357.2 MB). Peak memory consumption was 673.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 166]: 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: 582]: Loop Invariant Derived loop invariant: (((((((!(a10 == 3) && !(a19 == 10)) && a12 == 0) && 8 <= a19) && a4 == 14) || (((!(a10 == 3) && !(4 == a10)) && a12 == 0) && a4 == 14)) || ((a19 == 9 && a12 == 0) && a4 == 14)) || ((((a1 <= 38 && !(a10 == 3)) && !(a19 == 10)) && a12 == 0) && a4 == 14)) || ((((a1 <= 38 && !(a19 == 10)) && a12 == 0) && 0 < a1 + 13) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((!(a10 == 3) && !(a19 == 10)) && a12 == 0) && 8 <= a19) && a4 == 14) || (((!(a10 == 3) && !(4 == a10)) && a12 == 0) && a4 == 14)) || ((a19 == 9 && a12 == 0) && a4 == 14)) || ((((a1 <= 38 && !(a10 == 3)) && !(a19 == 10)) && a12 == 0) && a4 == 14)) || ((((a1 <= 38 && !(a19 == 10)) && a12 == 0) && 0 < a1 + 13) && a4 == 14) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 207 locations, 1 error locations. SAFE Result, 24.1s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 19.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 594 SDtfs, 3502 SDslu, 658 SDs, 0 SdLazy, 6960 SolverSat, 1751 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 168 GetRequests, 140 SyntacticMatches, 6 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4951occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 1426 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 110 NumberOfFragments, 163 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3108 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 450 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1132 NumberOfCodeBlocks, 1132 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1125 ConstructedInterpolants, 0 QuantifiedInterpolants, 624250 SizeOfPredicates, 1 NumberOfNonLiveVariables, 197 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 749/750 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...