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/Problem14_label21_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 20:25:56,098 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 20:25:56,101 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 20:25:56,118 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 20:25:56,119 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 20:25:56,120 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 20:25:56,122 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 20:25:56,124 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 20:25:56,127 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 20:25:56,136 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 20:25:56,137 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 20:25:56,137 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 20:25:56,138 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 20:25:56,144 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 20:25:56,145 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 20:25:56,145 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 20:25:56,146 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 20:25:56,148 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 20:25:56,152 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 20:25:56,153 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 20:25:56,155 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 20:25:56,156 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 20:25:56,160 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-23 20:25:56,177 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 [2018-10-23 20:25:56,202 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 20:25:56,203 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 20:25:56,204 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 20:25:56,204 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-23 20:25:56,204 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-23 20:25:56,205 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-23 20:25:56,205 INFO L133 SettingsManager]: * Use SBE=true [2018-10-23 20:25:56,206 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 20:25:56,206 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 20:25:56,206 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 20:25:56,206 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 20:25:56,206 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 20:25:56,207 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 20:25:56,207 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 20:25:56,207 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 20:25:56,207 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 20:25:56,207 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 20:25:56,208 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 20:25:56,209 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 20:25:56,209 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 20:25:56,209 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 20:25:56,210 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 20:25:56,210 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 20:25:56,210 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-23 20:25:56,210 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 20:25:56,210 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 20:25:56,210 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 20:25:56,211 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 20:25:56,284 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 20:25:56,297 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 20:25:56,301 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 20:25:56,303 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 20:25:56,304 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 20:25:56,304 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label21_true-unreach-call_false-termination.c [2018-10-23 20:25:56,382 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ed7c95b1b/14f12527614e472a987e17e76be49f7c/FLAG0c1c41fc4 [2018-10-23 20:25:57,050 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 20:25:57,051 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label21_true-unreach-call_false-termination.c [2018-10-23 20:25:57,071 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ed7c95b1b/14f12527614e472a987e17e76be49f7c/FLAG0c1c41fc4 [2018-10-23 20:25:57,094 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ed7c95b1b/14f12527614e472a987e17e76be49f7c [2018-10-23 20:25:57,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 20:25:57,109 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 20:25:57,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 20:25:57,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 20:25:57,116 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 20:25:57,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:25:57" (1/1) ... [2018-10-23 20:25:57,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7adbd51b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:57, skipping insertion in model container [2018-10-23 20:25:57,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:25:57" (1/1) ... [2018-10-23 20:25:57,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 20:25:57,202 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 20:25:57,719 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 20:25:57,726 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 20:25:57,920 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 20:25:57,938 INFO L193 MainTranslator]: Completed translation [2018-10-23 20:25:57,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:57 WrapperNode [2018-10-23 20:25:57,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 20:25:57,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 20:25:57,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 20:25:57,940 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 20:25:57,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:57" (1/1) ... [2018-10-23 20:25:57,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:57" (1/1) ... [2018-10-23 20:25:58,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 20:25:58,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 20:25:58,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 20:25:58,166 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 20:25:58,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:57" (1/1) ... [2018-10-23 20:25:58,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:57" (1/1) ... [2018-10-23 20:25:58,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:57" (1/1) ... [2018-10-23 20:25:58,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:57" (1/1) ... [2018-10-23 20:25:58,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:57" (1/1) ... [2018-10-23 20:25:58,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:57" (1/1) ... [2018-10-23 20:25:58,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:57" (1/1) ... [2018-10-23 20:25:58,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 20:25:58,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 20:25:58,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 20:25:58,265 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 20:25:58,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:57" (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 [2018-10-23 20:25:58,339 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-23 20:25:58,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 20:25:58,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 20:26:01,852 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 20:26:01,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:26:01 BoogieIcfgContainer [2018-10-23 20:26:01,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 20:26:01,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 20:26:01,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 20:26:01,859 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 20:26:01,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 08:25:57" (1/3) ... [2018-10-23 20:26:01,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c2159a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:26:01, skipping insertion in model container [2018-10-23 20:26:01,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:57" (2/3) ... [2018-10-23 20:26:01,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c2159a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:26:01, skipping insertion in model container [2018-10-23 20:26:01,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:26:01" (3/3) ... [2018-10-23 20:26:01,863 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label21_true-unreach-call_false-termination.c [2018-10-23 20:26:01,874 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 20:26:01,884 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 20:26:01,904 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 20:26:01,945 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-23 20:26:01,946 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 20:26:01,946 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 20:26:01,947 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 20:26:01,947 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 20:26:01,947 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 20:26:01,948 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 20:26:01,948 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 20:26:01,948 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 20:26:01,974 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2018-10-23 20:26:01,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-23 20:26:01,983 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:26:01,984 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] [2018-10-23 20:26:01,987 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:26:01,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:26:01,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1433927590, now seen corresponding path program 1 times [2018-10-23 20:26:01,996 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:26:01,997 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:26:02,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:02,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:26:02,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:26:02,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 20:26:02,392 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:26:02,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 20:26:02,398 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 20:26:02,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 20:26:02,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:26:02,414 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 4 states. [2018-10-23 20:26:05,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:26:05,333 INFO L93 Difference]: Finished difference Result 854 states and 1562 transitions. [2018-10-23 20:26:05,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 20:26:05,335 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2018-10-23 20:26:05,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:26:05,362 INFO L225 Difference]: With dead ends: 854 [2018-10-23 20:26:05,362 INFO L226 Difference]: Without dead ends: 601 [2018-10-23 20:26:05,367 INFO L605 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 [2018-10-23 20:26:05,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2018-10-23 20:26:05,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2018-10-23 20:26:05,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2018-10-23 20:26:05,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 992 transitions. [2018-10-23 20:26:05,463 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 992 transitions. Word has length 35 [2018-10-23 20:26:05,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:26:05,464 INFO L481 AbstractCegarLoop]: Abstraction has 601 states and 992 transitions. [2018-10-23 20:26:05,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 20:26:05,465 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 992 transitions. [2018-10-23 20:26:05,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-23 20:26:05,471 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:26:05,471 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 20:26:05,472 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:26:05,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:26:05,472 INFO L82 PathProgramCache]: Analyzing trace with hash 653880391, now seen corresponding path program 1 times [2018-10-23 20:26:05,473 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:26:05,473 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:26:05,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:05,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:26:05,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:26:05,810 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 20:26:05,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:26:05,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 20:26:05,812 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 20:26:05,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 20:26:05,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:26:05,813 INFO L87 Difference]: Start difference. First operand 601 states and 992 transitions. Second operand 4 states. [2018-10-23 20:26:08,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:26:08,699 INFO L93 Difference]: Finished difference Result 2274 states and 3840 transitions. [2018-10-23 20:26:08,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 20:26:08,700 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2018-10-23 20:26:08,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:26:08,712 INFO L225 Difference]: With dead ends: 2274 [2018-10-23 20:26:08,712 INFO L226 Difference]: Without dead ends: 1675 [2018-10-23 20:26:08,720 INFO L605 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 [2018-10-23 20:26:08,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2018-10-23 20:26:08,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1496. [2018-10-23 20:26:08,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1496 states. [2018-10-23 20:26:08,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 2250 transitions. [2018-10-23 20:26:08,788 INFO L78 Accepts]: Start accepts. Automaton has 1496 states and 2250 transitions. Word has length 126 [2018-10-23 20:26:08,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:26:08,789 INFO L481 AbstractCegarLoop]: Abstraction has 1496 states and 2250 transitions. [2018-10-23 20:26:08,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 20:26:08,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 2250 transitions. [2018-10-23 20:26:08,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-10-23 20:26:08,800 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:26:08,800 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 20:26:08,801 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:26:08,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:26:08,801 INFO L82 PathProgramCache]: Analyzing trace with hash 532008876, now seen corresponding path program 1 times [2018-10-23 20:26:08,801 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:26:08,802 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:26:08,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:08,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:26:08,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:26:09,253 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-10-23 20:26:09,253 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:26:09,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 20:26:09,254 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 20:26:09,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 20:26:09,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:26:09,255 INFO L87 Difference]: Start difference. First operand 1496 states and 2250 transitions. Second operand 4 states. [2018-10-23 20:26:12,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:26:12,377 INFO L93 Difference]: Finished difference Result 4793 states and 7208 transitions. [2018-10-23 20:26:12,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 20:26:12,379 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 280 [2018-10-23 20:26:12,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:26:12,398 INFO L225 Difference]: With dead ends: 4793 [2018-10-23 20:26:12,398 INFO L226 Difference]: Without dead ends: 3299 [2018-10-23 20:26:12,401 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 [2018-10-23 20:26:12,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3299 states. [2018-10-23 20:26:12,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3299 to 3299. [2018-10-23 20:26:12,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3299 states. [2018-10-23 20:26:12,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3299 states to 3299 states and 4489 transitions. [2018-10-23 20:26:12,467 INFO L78 Accepts]: Start accepts. Automaton has 3299 states and 4489 transitions. Word has length 280 [2018-10-23 20:26:12,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:26:12,467 INFO L481 AbstractCegarLoop]: Abstraction has 3299 states and 4489 transitions. [2018-10-23 20:26:12,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 20:26:12,467 INFO L276 IsEmpty]: Start isEmpty. Operand 3299 states and 4489 transitions. [2018-10-23 20:26:12,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-10-23 20:26:12,474 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:26:12,475 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 20:26:12,475 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:26:12,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:26:12,475 INFO L82 PathProgramCache]: Analyzing trace with hash -872421759, now seen corresponding path program 1 times [2018-10-23 20:26:12,479 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:26:12,479 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:26:12,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:12,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:26:12,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:26:12,851 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 247 proven. 5 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-10-23 20:26:12,852 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 20:26:12,852 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 [2018-10-23 20:26:12,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:26:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:26:12,994 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 20:26:13,171 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2018-10-23 20:26:13,194 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 20:26:13,194 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2018-10-23 20:26:13,195 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 20:26:13,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 20:26:13,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-23 20:26:13,198 INFO L87 Difference]: Start difference. First operand 3299 states and 4489 transitions. Second operand 6 states. [2018-10-23 20:26:14,215 WARN L179 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 15 [2018-10-23 20:26:23,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:26:23,517 INFO L93 Difference]: Finished difference Result 9294 states and 12644 transitions. [2018-10-23 20:26:23,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 20:26:23,518 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 316 [2018-10-23 20:26:23,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:26:23,544 INFO L225 Difference]: With dead ends: 9294 [2018-10-23 20:26:23,544 INFO L226 Difference]: Without dead ends: 5636 [2018-10-23 20:26:23,550 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 316 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-23 20:26:23,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5636 states. [2018-10-23 20:26:23,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5636 to 4538. [2018-10-23 20:26:23,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4538 states. [2018-10-23 20:26:23,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4538 states to 4538 states and 5392 transitions. [2018-10-23 20:26:23,645 INFO L78 Accepts]: Start accepts. Automaton has 4538 states and 5392 transitions. Word has length 316 [2018-10-23 20:26:23,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:26:23,646 INFO L481 AbstractCegarLoop]: Abstraction has 4538 states and 5392 transitions. [2018-10-23 20:26:23,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 20:26:23,646 INFO L276 IsEmpty]: Start isEmpty. Operand 4538 states and 5392 transitions. [2018-10-23 20:26:23,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2018-10-23 20:26:23,657 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:26:23,658 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, 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, 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, 1, 1, 1, 1, 1, 1] [2018-10-23 20:26:23,658 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:26:23,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:26:23,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1134137076, now seen corresponding path program 1 times [2018-10-23 20:26:23,659 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:26:23,659 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:26:23,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:23,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:26:23,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:26:24,371 WARN L179 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 12 [2018-10-23 20:26:24,705 WARN L179 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 15 [2018-10-23 20:26:25,089 WARN L179 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 21 [2018-10-23 20:26:25,546 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 361 proven. 46 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-10-23 20:26:25,546 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 20:26:25,546 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-23 20:26:25,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:26:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:26:25,678 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 20:26:25,835 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2018-10-23 20:26:25,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 20:26:25,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2018-10-23 20:26:25,869 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-23 20:26:25,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-23 20:26:25,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-10-23 20:26:25,870 INFO L87 Difference]: Start difference. First operand 4538 states and 5392 transitions. Second operand 8 states. [2018-10-23 20:26:33,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:26:33,897 INFO L93 Difference]: Finished difference Result 9273 states and 10988 transitions. [2018-10-23 20:26:33,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-23 20:26:33,898 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 448 [2018-10-23 20:26:33,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:26:33,919 INFO L225 Difference]: With dead ends: 9273 [2018-10-23 20:26:33,920 INFO L226 Difference]: Without dead ends: 4916 [2018-10-23 20:26:33,926 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 449 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2018-10-23 20:26:33,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4916 states. [2018-10-23 20:26:33,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4916 to 4538. [2018-10-23 20:26:33,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4538 states. [2018-10-23 20:26:34,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4538 states to 4538 states and 5124 transitions. [2018-10-23 20:26:34,005 INFO L78 Accepts]: Start accepts. Automaton has 4538 states and 5124 transitions. Word has length 448 [2018-10-23 20:26:34,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:26:34,006 INFO L481 AbstractCegarLoop]: Abstraction has 4538 states and 5124 transitions. [2018-10-23 20:26:34,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-23 20:26:34,006 INFO L276 IsEmpty]: Start isEmpty. Operand 4538 states and 5124 transitions. [2018-10-23 20:26:34,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 644 [2018-10-23 20:26:34,027 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:26:34,027 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 20:26:34,028 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:26:34,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:26:34,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1737097761, now seen corresponding path program 1 times [2018-10-23 20:26:34,028 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:26:34,028 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:26:34,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:34,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:26:34,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:26:34,835 WARN L179 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 13 [2018-10-23 20:26:35,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1591 backedges. 981 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2018-10-23 20:26:35,185 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:26:35,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 20:26:35,186 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-23 20:26:35,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-23 20:26:35,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-23 20:26:35,186 INFO L87 Difference]: Start difference. First operand 4538 states and 5124 transitions. Second operand 7 states. [2018-10-23 20:26:37,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:26:37,378 INFO L93 Difference]: Finished difference Result 9546 states and 10894 transitions. [2018-10-23 20:26:37,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 20:26:37,379 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 643 [2018-10-23 20:26:37,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:26:37,394 INFO L225 Difference]: With dead ends: 9546 [2018-10-23 20:26:37,395 INFO L226 Difference]: Without dead ends: 4535 [2018-10-23 20:26:37,400 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-23 20:26:37,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4535 states. [2018-10-23 20:26:37,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4535 to 4535. [2018-10-23 20:26:37,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4535 states. [2018-10-23 20:26:37,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4535 states to 4535 states and 5047 transitions. [2018-10-23 20:26:37,466 INFO L78 Accepts]: Start accepts. Automaton has 4535 states and 5047 transitions. Word has length 643 [2018-10-23 20:26:37,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:26:37,467 INFO L481 AbstractCegarLoop]: Abstraction has 4535 states and 5047 transitions. [2018-10-23 20:26:37,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-23 20:26:37,467 INFO L276 IsEmpty]: Start isEmpty. Operand 4535 states and 5047 transitions. [2018-10-23 20:26:37,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 771 [2018-10-23 20:26:37,490 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:26:37,491 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 20:26:37,491 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:26:37,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:26:37,491 INFO L82 PathProgramCache]: Analyzing trace with hash 836627365, now seen corresponding path program 1 times [2018-10-23 20:26:37,492 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:26:37,492 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:26:37,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:37,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:26:37,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:26:38,128 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-23 20:26:38,313 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-23 20:26:39,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1805 backedges. 1320 proven. 201 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-10-23 20:26:39,360 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 20:26:39,360 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-23 20:26:39,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:26:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:26:39,551 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 20:26:39,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1805 backedges. 706 proven. 0 refuted. 0 times theorem prover too weak. 1099 trivial. 0 not checked. [2018-10-23 20:26:39,959 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 20:26:39,960 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2018-10-23 20:26:39,961 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-23 20:26:39,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-23 20:26:39,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-10-23 20:26:39,962 INFO L87 Difference]: Start difference. First operand 4535 states and 5047 transitions. Second operand 10 states. [2018-10-23 20:26:43,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:26:43,433 INFO L93 Difference]: Finished difference Result 9975 states and 11128 transitions. [2018-10-23 20:26:43,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-23 20:26:43,433 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 770 [2018-10-23 20:26:43,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:26:43,452 INFO L225 Difference]: With dead ends: 9975 [2018-10-23 20:26:43,452 INFO L226 Difference]: Without dead ends: 5621 [2018-10-23 20:26:43,458 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 788 GetRequests, 774 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2018-10-23 20:26:43,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5621 states. [2018-10-23 20:26:43,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5621 to 5609. [2018-10-23 20:26:43,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5609 states. [2018-10-23 20:26:43,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5609 states to 5609 states and 6104 transitions. [2018-10-23 20:26:43,553 INFO L78 Accepts]: Start accepts. Automaton has 5609 states and 6104 transitions. Word has length 770 [2018-10-23 20:26:43,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:26:43,554 INFO L481 AbstractCegarLoop]: Abstraction has 5609 states and 6104 transitions. [2018-10-23 20:26:43,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-23 20:26:43,554 INFO L276 IsEmpty]: Start isEmpty. Operand 5609 states and 6104 transitions. [2018-10-23 20:26:43,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 873 [2018-10-23 20:26:43,571 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:26:43,571 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 20:26:43,572 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:26:43,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:26:43,572 INFO L82 PathProgramCache]: Analyzing trace with hash -798977432, now seen corresponding path program 1 times [2018-10-23 20:26:43,573 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:26:43,573 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:26:43,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:43,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:26:43,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:26:44,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2319 backedges. 1704 proven. 156 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2018-10-23 20:26:44,982 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 20:26:44,982 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-23 20:26:44,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:26:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:26:45,194 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 20:26:45,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2319 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 2089 trivial. 0 not checked. [2018-10-23 20:26:45,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 20:26:45,811 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2018-10-23 20:26:45,813 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 20:26:45,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 20:26:45,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-23 20:26:45,814 INFO L87 Difference]: Start difference. First operand 5609 states and 6104 transitions. Second operand 6 states. [2018-10-23 20:26:49,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:26:49,232 INFO L93 Difference]: Finished difference Result 16235 states and 17733 transitions. [2018-10-23 20:26:49,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-23 20:26:49,233 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 872 [2018-10-23 20:26:49,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:26:49,235 INFO L225 Difference]: With dead ends: 16235 [2018-10-23 20:26:49,235 INFO L226 Difference]: Without dead ends: 0 [2018-10-23 20:26:49,245 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 883 GetRequests, 876 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-10-23 20:26:49,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-23 20:26:49,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-23 20:26:49,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-23 20:26:49,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-23 20:26:49,246 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 872 [2018-10-23 20:26:49,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:26:49,247 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-23 20:26:49,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 20:26:49,247 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-23 20:26:49,247 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-23 20:26:49,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-23 20:26:49,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 20:26:49,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 20:26:50,699 WARN L179 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 65 DAG size of output: 28 [2018-10-23 20:26:50,866 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 28 [2018-10-23 20:26:50,870 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-10-23 20:26:50,870 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-10-23 20:26:50,870 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,870 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,870 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,870 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-10-23 20:26:50,870 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-10-23 20:26:50,870 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-10-23 20:26:50,870 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-10-23 20:26:50,871 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-10-23 20:26:50,871 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-10-23 20:26:50,871 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-10-23 20:26:50,871 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-10-23 20:26:50,871 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,871 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,871 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,871 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-10-23 20:26:50,871 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-10-23 20:26:50,871 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-10-23 20:26:50,871 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-10-23 20:26:50,871 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-23 20:26:50,871 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-10-23 20:26:50,872 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-10-23 20:26:50,872 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-10-23 20:26:50,872 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,872 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,872 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,872 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-10-23 20:26:50,872 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-10-23 20:26:50,872 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-10-23 20:26:50,872 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-10-23 20:26:50,872 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-10-23 20:26:50,872 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-10-23 20:26:50,872 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-10-23 20:26:50,872 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-10-23 20:26:50,873 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-10-23 20:26:50,873 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,873 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,873 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,873 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-10-23 20:26:50,873 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-10-23 20:26:50,873 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-10-23 20:26:50,873 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-10-23 20:26:50,873 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-10-23 20:26:50,873 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-10-23 20:26:50,873 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-10-23 20:26:50,873 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,874 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,874 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,874 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-10-23 20:26:50,874 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-10-23 20:26:50,874 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-10-23 20:26:50,874 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-10-23 20:26:50,874 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-10-23 20:26:50,874 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-10-23 20:26:50,875 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-10-23 20:26:50,875 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-10-23 20:26:50,875 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-10-23 20:26:50,875 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,875 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,875 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,875 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-10-23 20:26:50,875 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-10-23 20:26:50,876 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-10-23 20:26:50,876 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-23 20:26:50,876 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-10-23 20:26:50,876 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-10-23 20:26:50,876 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-10-23 20:26:50,876 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-10-23 20:26:50,876 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,876 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,877 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,877 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-10-23 20:26:50,877 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-10-23 20:26:50,877 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-10-23 20:26:50,877 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-10-23 20:26:50,877 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-10-23 20:26:50,877 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-10-23 20:26:50,877 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-10-23 20:26:50,877 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-10-23 20:26:50,878 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,878 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,878 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,878 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-10-23 20:26:50,878 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-10-23 20:26:50,878 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-23 20:26:50,878 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-10-23 20:26:50,878 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-10-23 20:26:50,878 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-23 20:26:50,878 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-10-23 20:26:50,878 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-10-23 20:26:50,878 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-10-23 20:26:50,879 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,879 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,879 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,879 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-10-23 20:26:50,879 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-10-23 20:26:50,879 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-23 20:26:50,879 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-10-23 20:26:50,879 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-10-23 20:26:50,879 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-10-23 20:26:50,879 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-10-23 20:26:50,879 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-10-23 20:26:50,879 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,879 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,879 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,880 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-10-23 20:26:50,880 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-10-23 20:26:50,880 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-10-23 20:26:50,880 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-23 20:26:50,880 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-10-23 20:26:50,880 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-10-23 20:26:50,880 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-23 20:26:50,880 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-10-23 20:26:50,880 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-10-23 20:26:50,880 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,880 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,880 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,880 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-10-23 20:26:50,880 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-10-23 20:26:50,881 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-10-23 20:26:50,881 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-10-23 20:26:50,881 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-10-23 20:26:50,881 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-10-23 20:26:50,881 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-10-23 20:26:50,881 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2018-10-23 20:26:50,881 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-10-23 20:26:50,881 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,881 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,881 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,881 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-10-23 20:26:50,882 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-10-23 20:26:50,882 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-23 20:26:50,882 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-10-23 20:26:50,882 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-10-23 20:26:50,882 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-10-23 20:26:50,882 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-10-23 20:26:50,882 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-10-23 20:26:50,882 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,882 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,882 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-10-23 20:26:50,882 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-23 20:26:50,882 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-10-23 20:26:50,882 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-10-23 20:26:50,883 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-10-23 20:26:50,883 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-10-23 20:26:50,883 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-10-23 20:26:50,883 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-10-23 20:26:50,883 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,883 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,883 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-10-23 20:26:50,883 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-10-23 20:26:50,883 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-10-23 20:26:50,884 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-10-23 20:26:50,884 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-10-23 20:26:50,884 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-10-23 20:26:50,884 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,884 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,884 INFO L421 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1)) (.cse1 (not (= ~a21~0 8)))) (or (and (<= 7 ~a15~0) .cse0) (and (<= ~a12~0 80) (< 11 ~a12~0) .cse0) (and .cse1 .cse0) (and (not (= ~a15~0 9)) .cse1 (<= ~a21~0 8) (<= (+ ~a12~0 49) 0)))) [2018-10-23 20:26:50,884 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-10-23 20:26:50,885 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-10-23 20:26:50,885 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-10-23 20:26:50,885 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-10-23 20:26:50,885 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-10-23 20:26:50,885 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-10-23 20:26:50,885 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-10-23 20:26:50,885 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-10-23 20:26:50,885 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,885 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,885 INFO L428 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2018-10-23 20:26:50,885 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-10-23 20:26:50,885 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-10-23 20:26:50,885 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-23 20:26:50,886 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-10-23 20:26:50,886 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-10-23 20:26:50,886 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-10-23 20:26:50,886 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-10-23 20:26:50,886 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,886 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,886 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-10-23 20:26:50,886 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-10-23 20:26:50,886 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-10-23 20:26:50,887 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-23 20:26:50,887 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-23 20:26:50,887 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-10-23 20:26:50,887 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-10-23 20:26:50,887 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,887 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,887 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-10-23 20:26:50,887 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,888 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-10-23 20:26:50,888 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-10-23 20:26:50,888 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1)) (.cse1 (not (= ~a21~0 8)))) (or (and (<= 7 ~a15~0) .cse0) (and (<= ~a12~0 80) (< 11 ~a12~0) .cse0) (and .cse1 .cse0) (and (not (= ~a15~0 9)) .cse1 (<= ~a21~0 8) (<= (+ ~a12~0 49) 0)))) [2018-10-23 20:26:50,888 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-10-23 20:26:50,888 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-10-23 20:26:50,888 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-10-23 20:26:50,888 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-10-23 20:26:50,888 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-23 20:26:50,889 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-10-23 20:26:50,889 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-10-23 20:26:50,889 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-10-23 20:26:50,889 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-10-23 20:26:50,889 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,889 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,889 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,889 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-10-23 20:26:50,889 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-10-23 20:26:50,890 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-10-23 20:26:50,890 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-23 20:26:50,890 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-10-23 20:26:50,890 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-10-23 20:26:50,890 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-10-23 20:26:50,890 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-10-23 20:26:50,890 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-10-23 20:26:50,890 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,890 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,891 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,891 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-10-23 20:26:50,891 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-10-23 20:26:50,891 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-10-23 20:26:50,891 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-10-23 20:26:50,891 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-23 20:26:50,891 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-23 20:26:50,891 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-10-23 20:26:50,891 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-10-23 20:26:50,891 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-10-23 20:26:50,892 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,892 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,892 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,892 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-10-23 20:26:50,892 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-10-23 20:26:50,892 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-10-23 20:26:50,892 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-10-23 20:26:50,892 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-10-23 20:26:50,892 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-10-23 20:26:50,892 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-10-23 20:26:50,892 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-10-23 20:26:50,892 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-10-23 20:26:50,892 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,892 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,893 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:26:50,893 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-10-23 20:26:50,893 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-10-23 20:26:50,893 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-10-23 20:26:50,893 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-23 20:26:50,893 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-10-23 20:26:50,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 08:26:50 BoogieIcfgContainer [2018-10-23 20:26:50,912 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 20:26:50,913 INFO L168 Benchmark]: Toolchain (without parser) took 53805.39 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -712.3 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-10-23 20:26:50,914 INFO L168 Benchmark]: CDTParser took 0.25 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. [2018-10-23 20:26:50,915 INFO L168 Benchmark]: CACSL2BoogieTranslator took 828.94 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-10-23 20:26:50,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 225.20 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -847.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2018-10-23 20:26:50,917 INFO L168 Benchmark]: Boogie Preprocessor took 98.93 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2018-10-23 20:26:50,917 INFO L168 Benchmark]: RCFGBuilder took 3589.51 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: 129.6 MB). Peak memory consumption was 129.6 MB. Max. memory is 7.1 GB. [2018-10-23 20:26:50,918 INFO L168 Benchmark]: TraceAbstraction took 49057.26 ms. Allocated memory was 2.3 GB in the beginning and 3.3 GB in the end (delta: 978.8 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: -74.3 MB). Peak memory consumption was 904.6 MB. Max. memory is 7.1 GB. [2018-10-23 20:26:50,924 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 828.94 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 225.20 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -847.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.93 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3589.51 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: 129.6 MB). Peak memory consumption was 129.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 49057.26 ms. Allocated memory was 2.3 GB in the beginning and 3.3 GB in the end (delta: 978.8 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: -74.3 MB). Peak memory consumption was 904.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: 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: (((7 <= a15 && a24 == 1) || ((a12 <= 80 && 11 < a12) && a24 == 1)) || (!(a21 == 8) && a24 == 1)) || (((!(a15 == 9) && !(a21 == 8)) && a21 <= 8) && a12 + 49 <= 0) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((7 <= a15 && a24 == 1) || ((a12 <= 80 && 11 < a12) && a24 == 1)) || (!(a21 == 8) && a24 == 1)) || (((!(a15 == 9) && !(a21 == 8)) && a21 <= 8) && a12 + 49 <= 0) - 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, 48.9s OverallTime, 8 OverallIterations, 8 TraceHistogramMax, 36.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1023 SDtfs, 6925 SDslu, 1183 SDs, 0 SdLazy, 14816 SolverSat, 2367 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 31.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2468 GetRequests, 2419 SyntacticMatches, 3 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5609occurred in iteration=7, 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, 1667 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 138 NumberOfFragments, 87 HoareAnnotationTreeSize, 3 FomulaSimplifications, 5350 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 830 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 5896 NumberOfCodeBlocks, 5896 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 5884 ConstructedInterpolants, 0 QuantifiedInterpolants, 11399853 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2989 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 11174/11582 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...