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/Problem02_label32_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 14:52:54,344 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 14:52:54,347 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 14:52:54,365 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 14:52:54,365 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 14:52:54,368 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 14:52:54,370 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 14:52:54,372 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 14:52:54,375 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 14:52:54,375 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 14:52:54,378 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 14:52:54,378 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 14:52:54,379 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 14:52:54,380 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 14:52:54,383 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 14:52:54,384 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 14:52:54,385 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 14:52:54,394 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 14:52:54,400 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 14:52:54,402 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 14:52:54,403 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 14:52:54,404 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 14:52:54,407 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 14:52:54,418 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-24 14:52:54,447 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 14:52:54,447 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 14:52:54,451 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 14:52:54,451 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 14:52:54,452 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 14:52:54,452 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 14:52:54,452 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 14:52:54,452 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 14:52:54,453 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 14:52:54,453 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 14:52:54,453 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 14:52:54,453 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 14:52:54,453 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 14:52:54,453 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 14:52:54,454 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 14:52:54,454 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 14:52:54,454 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 14:52:54,454 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 14:52:54,454 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 14:52:54,455 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 14:52:54,456 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 14:52:54,456 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 14:52:54,456 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 14:52:54,456 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 14:52:54,457 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 14:52:54,457 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 14:52:54,457 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 14:52:54,457 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 14:52:54,502 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 14:52:54,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 14:52:54,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 14:52:54,521 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 14:52:54,521 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 14:52:54,522 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c [2018-10-24 14:52:54,595 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d1303b039/50b0efb74d774a669dd135decd77e131/FLAG5752b7fae [2018-10-24 14:52:55,165 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 14:52:55,166 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c [2018-10-24 14:52:55,177 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d1303b039/50b0efb74d774a669dd135decd77e131/FLAG5752b7fae [2018-10-24 14:52:55,203 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d1303b039/50b0efb74d774a669dd135decd77e131 [2018-10-24 14:52:55,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 14:52:55,217 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 14:52:55,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 14:52:55,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 14:52:55,225 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 14:52:55,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:52:55" (1/1) ... [2018-10-24 14:52:55,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51647cc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:52:55, skipping insertion in model container [2018-10-24 14:52:55,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:52:55" (1/1) ... [2018-10-24 14:52:55,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 14:52:55,302 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 14:52:55,777 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 14:52:55,781 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 14:52:55,925 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 14:52:55,943 INFO L193 MainTranslator]: Completed translation [2018-10-24 14:52:55,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:52:55 WrapperNode [2018-10-24 14:52:55,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 14:52:55,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 14:52:55,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 14:52:55,946 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 14:52:55,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:52:55" (1/1) ... [2018-10-24 14:52:55,981 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:52:55" (1/1) ... [2018-10-24 14:52:56,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 14:52:56,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 14:52:56,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 14:52:56,183 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 14:52:56,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:52:55" (1/1) ... [2018-10-24 14:52:56,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:52:55" (1/1) ... [2018-10-24 14:52:56,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:52:55" (1/1) ... [2018-10-24 14:52:56,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:52:55" (1/1) ... [2018-10-24 14:52:56,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:52:55" (1/1) ... [2018-10-24 14:52:56,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:52:55" (1/1) ... [2018-10-24 14:52:56,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:52:55" (1/1) ... [2018-10-24 14:52:56,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 14:52:56,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 14:52:56,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 14:52:56,278 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 14:52:56,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:52:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 14:52:56,353 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 14:52:56,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 14:52:56,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 14:52:59,761 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 14:52:59,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:52:59 BoogieIcfgContainer [2018-10-24 14:52:59,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 14:52:59,763 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 14:52:59,764 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 14:52:59,767 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 14:52:59,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:52:55" (1/3) ... [2018-10-24 14:52:59,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78841619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:52:59, skipping insertion in model container [2018-10-24 14:52:59,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:52:55" (2/3) ... [2018-10-24 14:52:59,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78841619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:52:59, skipping insertion in model container [2018-10-24 14:52:59,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:52:59" (3/3) ... [2018-10-24 14:52:59,776 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label32_true-unreach-call_false-termination.c [2018-10-24 14:52:59,786 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 14:52:59,795 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 14:52:59,814 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 14:52:59,850 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 14:52:59,851 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 14:52:59,852 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 14:52:59,852 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 14:52:59,852 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 14:52:59,852 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 14:52:59,853 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 14:52:59,853 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 14:52:59,853 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 14:52:59,878 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2018-10-24 14:52:59,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-24 14:52:59,892 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:52:59,893 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:52:59,896 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:52:59,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:52:59,902 INFO L82 PathProgramCache]: Analyzing trace with hash -490842724, now seen corresponding path program 1 times [2018-10-24 14:52:59,904 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:52:59,905 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:52:59,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:52:59,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:52:59,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:53:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:53:00,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:53:00,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:53:00,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-24 14:53:00,459 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 14:53:00,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 14:53:00,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:53:00,478 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2018-10-24 14:53:02,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:53:02,242 INFO L93 Difference]: Finished difference Result 604 states and 1038 transitions. [2018-10-24 14:53:02,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:53:02,244 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2018-10-24 14:53:02,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:53:02,264 INFO L225 Difference]: With dead ends: 604 [2018-10-24 14:53:02,264 INFO L226 Difference]: Without dead ends: 372 [2018-10-24 14:53:02,271 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:53:02,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2018-10-24 14:53:02,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2018-10-24 14:53:02,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-10-24 14:53:02,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 597 transitions. [2018-10-24 14:53:02,335 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 597 transitions. Word has length 110 [2018-10-24 14:53:02,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:53:02,337 INFO L481 AbstractCegarLoop]: Abstraction has 372 states and 597 transitions. [2018-10-24 14:53:02,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 14:53:02,337 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 597 transitions. [2018-10-24 14:53:02,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-24 14:53:02,343 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:53:02,344 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 14:53:02,344 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:53:02,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:53:02,345 INFO L82 PathProgramCache]: Analyzing trace with hash 946259933, now seen corresponding path program 1 times [2018-10-24 14:53:02,345 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:53:02,345 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:53:02,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:53:02,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:53:02,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:53:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:53:02,519 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:53:02,520 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:53:02,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:53:02,522 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:53:02,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:53:02,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:53:02,523 INFO L87 Difference]: Start difference. First operand 372 states and 597 transitions. Second operand 4 states. [2018-10-24 14:53:04,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:53:04,379 INFO L93 Difference]: Finished difference Result 1357 states and 2254 transitions. [2018-10-24 14:53:04,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:53:04,380 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 129 [2018-10-24 14:53:04,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:53:04,388 INFO L225 Difference]: With dead ends: 1357 [2018-10-24 14:53:04,388 INFO L226 Difference]: Without dead ends: 987 [2018-10-24 14:53:04,391 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 [2018-10-24 14:53:04,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 987 states. [2018-10-24 14:53:04,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 987 to 657. [2018-10-24 14:53:04,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2018-10-24 14:53:04,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 1026 transitions. [2018-10-24 14:53:04,457 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 1026 transitions. Word has length 129 [2018-10-24 14:53:04,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:53:04,457 INFO L481 AbstractCegarLoop]: Abstraction has 657 states and 1026 transitions. [2018-10-24 14:53:04,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:53:04,457 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1026 transitions. [2018-10-24 14:53:04,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-24 14:53:04,461 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:53:04,462 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:53:04,462 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:53:04,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:53:04,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1354673986, now seen corresponding path program 1 times [2018-10-24 14:53:04,463 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:53:04,463 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:53:04,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:53:04,464 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:53:04,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:53:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:53:04,749 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:53:04,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:53:04,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:53:04,750 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:53:04,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:53:04,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:53:04,751 INFO L87 Difference]: Start difference. First operand 657 states and 1026 transitions. Second operand 4 states. [2018-10-24 14:53:08,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:53:08,177 INFO L93 Difference]: Finished difference Result 2474 states and 3941 transitions. [2018-10-24 14:53:08,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:53:08,178 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 130 [2018-10-24 14:53:08,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:53:08,187 INFO L225 Difference]: With dead ends: 2474 [2018-10-24 14:53:08,188 INFO L226 Difference]: Without dead ends: 1819 [2018-10-24 14:53:08,189 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:53:08,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1819 states. [2018-10-24 14:53:08,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1819 to 1219. [2018-10-24 14:53:08,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1219 states. [2018-10-24 14:53:08,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1798 transitions. [2018-10-24 14:53:08,224 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1798 transitions. Word has length 130 [2018-10-24 14:53:08,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:53:08,225 INFO L481 AbstractCegarLoop]: Abstraction has 1219 states and 1798 transitions. [2018-10-24 14:53:08,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:53:08,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1798 transitions. [2018-10-24 14:53:08,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-24 14:53:08,228 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:53:08,229 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2018-10-24 14:53:08,229 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:53:08,229 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:53:08,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1503760206, now seen corresponding path program 1 times [2018-10-24 14:53:08,230 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:53:08,230 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:53:08,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:53:08,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:53:08,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:53:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:53:08,356 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:53:08,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:53:08,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 14:53:08,357 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:53:08,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:53:08,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:53:08,358 INFO L87 Difference]: Start difference. First operand 1219 states and 1798 transitions. Second operand 4 states. [2018-10-24 14:53:09,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:53:09,946 INFO L93 Difference]: Finished difference Result 3977 states and 5760 transitions. [2018-10-24 14:53:09,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:53:09,947 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 134 [2018-10-24 14:53:09,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:53:09,961 INFO L225 Difference]: With dead ends: 3977 [2018-10-24 14:53:09,961 INFO L226 Difference]: Without dead ends: 2760 [2018-10-24 14:53:09,964 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:53:09,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2760 states. [2018-10-24 14:53:10,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2760 to 2757. [2018-10-24 14:53:10,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2757 states. [2018-10-24 14:53:10,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2757 states to 2757 states and 3488 transitions. [2018-10-24 14:53:10,020 INFO L78 Accepts]: Start accepts. Automaton has 2757 states and 3488 transitions. Word has length 134 [2018-10-24 14:53:10,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:53:10,020 INFO L481 AbstractCegarLoop]: Abstraction has 2757 states and 3488 transitions. [2018-10-24 14:53:10,020 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:53:10,020 INFO L276 IsEmpty]: Start isEmpty. Operand 2757 states and 3488 transitions. [2018-10-24 14:53:10,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-24 14:53:10,026 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:53:10,026 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:53:10,026 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:53:10,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:53:10,027 INFO L82 PathProgramCache]: Analyzing trace with hash -652415813, now seen corresponding path program 1 times [2018-10-24 14:53:10,027 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:53:10,027 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:53:10,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:53:10,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:53:10,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:53:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:53:10,227 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-24 14:53:10,227 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:53:10,227 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:53:10,228 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 14:53:10,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 14:53:10,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:53:10,229 INFO L87 Difference]: Start difference. First operand 2757 states and 3488 transitions. Second operand 3 states. [2018-10-24 14:53:11,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:53:11,472 INFO L93 Difference]: Finished difference Result 5511 states and 6973 transitions. [2018-10-24 14:53:11,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:53:11,479 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2018-10-24 14:53:11,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:53:11,494 INFO L225 Difference]: With dead ends: 5511 [2018-10-24 14:53:11,494 INFO L226 Difference]: Without dead ends: 2756 [2018-10-24 14:53:11,498 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:53:11,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2756 states. [2018-10-24 14:53:11,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2756 to 2756. [2018-10-24 14:53:11,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2756 states. [2018-10-24 14:53:11,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2756 states to 2756 states and 3281 transitions. [2018-10-24 14:53:11,548 INFO L78 Accepts]: Start accepts. Automaton has 2756 states and 3281 transitions. Word has length 139 [2018-10-24 14:53:11,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:53:11,549 INFO L481 AbstractCegarLoop]: Abstraction has 2756 states and 3281 transitions. [2018-10-24 14:53:11,549 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 14:53:11,549 INFO L276 IsEmpty]: Start isEmpty. Operand 2756 states and 3281 transitions. [2018-10-24 14:53:11,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-24 14:53:11,555 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:53:11,556 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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] [2018-10-24 14:53:11,556 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:53:11,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:53:11,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1510456551, now seen corresponding path program 1 times [2018-10-24 14:53:11,557 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:53:11,557 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:53:11,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:53:11,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:53:11,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:53:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:53:11,736 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-24 14:53:11,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:53:11,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:53:11,737 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:53:11,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:53:11,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:53:11,738 INFO L87 Difference]: Start difference. First operand 2756 states and 3281 transitions. Second operand 4 states. [2018-10-24 14:53:12,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:53:12,810 INFO L93 Difference]: Finished difference Result 6041 states and 7110 transitions. [2018-10-24 14:53:12,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:53:12,810 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2018-10-24 14:53:12,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:53:12,810 INFO L225 Difference]: With dead ends: 6041 [2018-10-24 14:53:12,810 INFO L226 Difference]: Without dead ends: 0 [2018-10-24 14:53:12,817 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:53:12,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-24 14:53:12,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-24 14:53:12,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-24 14:53:12,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-24 14:53:12,818 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 142 [2018-10-24 14:53:12,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:53:12,818 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-24 14:53:12,819 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:53:12,819 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-24 14:53:12,819 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-24 14:53:12,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-24 14:53:13,421 WARN L179 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 26 [2018-10-24 14:53:13,755 WARN L179 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 26 [2018-10-24 14:53:13,759 INFO L425 ceAbstractionStarter]: For program point L564(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,759 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,759 INFO L425 ceAbstractionStarter]: For program point L432(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,759 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-10-24 14:53:13,760 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-10-24 14:53:13,760 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-10-24 14:53:13,760 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-10-24 14:53:13,760 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-10-24 14:53:13,760 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-10-24 14:53:13,760 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-10-24 14:53:13,760 INFO L425 ceAbstractionStarter]: For program point L567(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,760 INFO L425 ceAbstractionStarter]: For program point L501(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,761 INFO L425 ceAbstractionStarter]: For program point L435(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,761 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-10-24 14:53:13,761 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-10-24 14:53:13,761 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-10-24 14:53:13,761 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-10-24 14:53:13,761 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-10-24 14:53:13,762 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-10-24 14:53:13,762 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-10-24 14:53:13,762 INFO L425 ceAbstractionStarter]: For program point L570(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,762 INFO L425 ceAbstractionStarter]: For program point L504(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,762 INFO L425 ceAbstractionStarter]: For program point L438(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,762 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-10-24 14:53:13,762 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-10-24 14:53:13,762 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-10-24 14:53:13,763 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-10-24 14:53:13,763 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-10-24 14:53:13,763 INFO L425 ceAbstractionStarter]: For program point L573(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,763 INFO L425 ceAbstractionStarter]: For program point L507(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,763 INFO L425 ceAbstractionStarter]: For program point L441(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,763 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-10-24 14:53:13,763 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-10-24 14:53:13,764 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-10-24 14:53:13,764 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-10-24 14:53:13,764 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-10-24 14:53:13,764 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-10-24 14:53:13,764 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-10-24 14:53:13,764 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-10-24 14:53:13,765 INFO L425 ceAbstractionStarter]: For program point L576(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,765 INFO L425 ceAbstractionStarter]: For program point L510(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,765 INFO L425 ceAbstractionStarter]: For program point L444(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,765 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-10-24 14:53:13,765 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-10-24 14:53:13,765 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-10-24 14:53:13,765 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-10-24 14:53:13,766 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-10-24 14:53:13,766 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-10-24 14:53:13,766 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-10-24 14:53:13,766 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-10-24 14:53:13,766 INFO L425 ceAbstractionStarter]: For program point L579(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,766 INFO L425 ceAbstractionStarter]: For program point L513(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,766 INFO L425 ceAbstractionStarter]: For program point L447(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,767 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-10-24 14:53:13,767 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-10-24 14:53:13,767 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-10-24 14:53:13,767 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-10-24 14:53:13,767 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-10-24 14:53:13,767 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-10-24 14:53:13,767 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-10-24 14:53:13,767 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-10-24 14:53:13,768 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-10-24 14:53:13,768 INFO L425 ceAbstractionStarter]: For program point L582(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,768 INFO L425 ceAbstractionStarter]: For program point L516(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,768 INFO L425 ceAbstractionStarter]: For program point L450(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,768 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-10-24 14:53:13,768 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-10-24 14:53:13,768 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-10-24 14:53:13,769 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-10-24 14:53:13,769 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-10-24 14:53:13,769 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-10-24 14:53:13,769 INFO L425 ceAbstractionStarter]: For program point L585(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,769 INFO L425 ceAbstractionStarter]: For program point L519(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,769 INFO L425 ceAbstractionStarter]: For program point L453(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,769 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-10-24 14:53:13,770 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-10-24 14:53:13,770 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-10-24 14:53:13,770 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-10-24 14:53:13,770 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-10-24 14:53:13,770 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-24 14:53:13,770 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-10-24 14:53:13,770 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-10-24 14:53:13,770 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-10-24 14:53:13,771 INFO L425 ceAbstractionStarter]: For program point L588(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,771 INFO L425 ceAbstractionStarter]: For program point L522(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,771 INFO L425 ceAbstractionStarter]: For program point L456(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,771 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-10-24 14:53:13,771 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-10-24 14:53:13,771 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-10-24 14:53:13,771 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-10-24 14:53:13,771 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-10-24 14:53:13,771 INFO L425 ceAbstractionStarter]: For program point L591(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,772 INFO L425 ceAbstractionStarter]: For program point L525(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,772 INFO L425 ceAbstractionStarter]: For program point L459(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,772 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-10-24 14:53:13,772 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-10-24 14:53:13,772 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-10-24 14:53:13,772 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-10-24 14:53:13,772 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-10-24 14:53:13,772 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-10-24 14:53:13,773 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-10-24 14:53:13,773 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-10-24 14:53:13,773 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-10-24 14:53:13,773 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-10-24 14:53:13,773 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-24 14:53:13,773 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 596) no Hoare annotation was computed. [2018-10-24 14:53:13,773 INFO L425 ceAbstractionStarter]: For program point L528(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,773 INFO L425 ceAbstractionStarter]: For program point L462(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,773 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-10-24 14:53:13,774 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-10-24 14:53:13,774 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-10-24 14:53:13,774 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-10-24 14:53:13,774 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-10-24 14:53:13,774 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-10-24 14:53:13,774 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-10-24 14:53:13,774 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-10-24 14:53:13,774 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-10-24 14:53:13,775 INFO L421 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse1 (= ~a11~0 1))) (let ((.cse5 (= ~a17~0 8)) (.cse4 (not .cse1)) (.cse3 (= ~a19~0 1)) (.cse0 (<= ~a17~0 8)) (.cse2 (not (= ~a28~0 11)))) (or (and (not (= ~a25~0 1)) .cse0 .cse1 .cse2) (and (and .cse3 .cse4) .cse5) (and .cse5 .cse4 .cse2) (and (= ~a28~0 9) .cse0 .cse1) (and .cse3 .cse0 .cse1 .cse2)))) [2018-10-24 14:53:13,775 INFO L425 ceAbstractionStarter]: For program point L531(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,775 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 499) no Hoare annotation was computed. [2018-10-24 14:53:13,775 INFO L425 ceAbstractionStarter]: For program point L465(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,775 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-10-24 14:53:13,776 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-10-24 14:53:13,776 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-10-24 14:53:13,776 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-10-24 14:53:13,776 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-10-24 14:53:13,776 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-10-24 14:53:13,776 INFO L428 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2018-10-24 14:53:13,776 INFO L425 ceAbstractionStarter]: For program point L534(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,776 INFO L425 ceAbstractionStarter]: For program point L468(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,777 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-10-24 14:53:13,777 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-10-24 14:53:13,777 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-10-24 14:53:13,777 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-10-24 14:53:13,777 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-10-24 14:53:13,777 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-10-24 14:53:13,777 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-10-24 14:53:13,777 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-10-24 14:53:13,777 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-10-24 14:53:13,778 INFO L425 ceAbstractionStarter]: For program point L537(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,778 INFO L425 ceAbstractionStarter]: For program point L471(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,778 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-10-24 14:53:13,778 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-10-24 14:53:13,778 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-10-24 14:53:13,778 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-10-24 14:53:13,778 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-10-24 14:53:13,778 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-10-24 14:53:13,779 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-10-24 14:53:13,779 INFO L425 ceAbstractionStarter]: For program point L540(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,779 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse1 (= ~a11~0 1))) (let ((.cse5 (= ~a17~0 8)) (.cse4 (not .cse1)) (.cse3 (= ~a19~0 1)) (.cse2 (not (= ~a28~0 11))) (.cse0 (<= ~a17~0 8))) (or (and (not (= ~a25~0 1)) .cse0 .cse1 .cse2) (and (and .cse3 .cse4) .cse5) (and .cse5 .cse4 .cse2) (and .cse3 .cse0 .cse1 .cse2) (and (= ~a28~0 9) .cse0 .cse1)))) [2018-10-24 14:53:13,779 INFO L425 ceAbstractionStarter]: For program point L474(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,779 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-10-24 14:53:13,780 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-10-24 14:53:13,780 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-10-24 14:53:13,780 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-10-24 14:53:13,780 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-10-24 14:53:13,780 INFO L425 ceAbstractionStarter]: For program point L543(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,780 INFO L425 ceAbstractionStarter]: For program point L477(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,780 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-10-24 14:53:13,780 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-10-24 14:53:13,781 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-10-24 14:53:13,781 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-10-24 14:53:13,781 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-10-24 14:53:13,781 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-10-24 14:53:13,781 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-10-24 14:53:13,781 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-10-24 14:53:13,781 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-10-24 14:53:13,781 INFO L425 ceAbstractionStarter]: For program point L546(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,782 INFO L425 ceAbstractionStarter]: For program point L480(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,782 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-10-24 14:53:13,782 INFO L425 ceAbstractionStarter]: For program point L414-1(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,782 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-10-24 14:53:13,782 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-10-24 14:53:13,782 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-10-24 14:53:13,782 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-10-24 14:53:13,782 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-10-24 14:53:13,782 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-24 14:53:13,783 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-10-24 14:53:13,783 INFO L425 ceAbstractionStarter]: For program point L549(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,783 INFO L425 ceAbstractionStarter]: For program point L483(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,783 INFO L425 ceAbstractionStarter]: For program point L417(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,783 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-10-24 14:53:13,783 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-10-24 14:53:13,783 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-10-24 14:53:13,783 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-10-24 14:53:13,784 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-10-24 14:53:13,784 INFO L425 ceAbstractionStarter]: For program point L552(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,784 INFO L425 ceAbstractionStarter]: For program point L486(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,784 INFO L425 ceAbstractionStarter]: For program point L420(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,784 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-10-24 14:53:13,784 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-10-24 14:53:13,784 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-10-24 14:53:13,784 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-10-24 14:53:13,784 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-10-24 14:53:13,785 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-10-24 14:53:13,785 INFO L425 ceAbstractionStarter]: For program point L555(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,785 INFO L425 ceAbstractionStarter]: For program point L489(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,785 INFO L425 ceAbstractionStarter]: For program point L423(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,785 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-10-24 14:53:13,785 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-10-24 14:53:13,785 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-10-24 14:53:13,785 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-10-24 14:53:13,785 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-10-24 14:53:13,786 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-10-24 14:53:13,786 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-24 14:53:13,786 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-10-24 14:53:13,786 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-10-24 14:53:13,786 INFO L425 ceAbstractionStarter]: For program point L558(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,786 INFO L425 ceAbstractionStarter]: For program point L492(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,786 INFO L425 ceAbstractionStarter]: For program point L426(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,786 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-10-24 14:53:13,786 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-10-24 14:53:13,787 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-10-24 14:53:13,787 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-10-24 14:53:13,787 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-10-24 14:53:13,787 INFO L425 ceAbstractionStarter]: For program point L561(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,787 INFO L425 ceAbstractionStarter]: For program point L495(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,787 INFO L425 ceAbstractionStarter]: For program point L429(lines 29 598) no Hoare annotation was computed. [2018-10-24 14:53:13,787 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-10-24 14:53:13,787 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-10-24 14:53:13,788 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-10-24 14:53:13,788 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-10-24 14:53:13,788 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-10-24 14:53:13,788 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-10-24 14:53:13,788 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-10-24 14:53:13,788 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-10-24 14:53:13,788 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-10-24 14:53:13,788 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-10-24 14:53:13,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 02:53:13 BoogieIcfgContainer [2018-10-24 14:53:13,809 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 14:53:13,810 INFO L168 Benchmark]: Toolchain (without parser) took 18594.41 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 894.4 MB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -333.5 MB). Peak memory consumption was 561.0 MB. Max. memory is 7.1 GB. [2018-10-24 14:53:13,811 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 14:53:13,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.37 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: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2018-10-24 14:53:13,813 INFO L168 Benchmark]: Boogie Procedure Inliner took 237.36 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 757.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -835.2 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. [2018-10-24 14:53:13,814 INFO L168 Benchmark]: Boogie Preprocessor took 93.96 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 14:53:13,814 INFO L168 Benchmark]: RCFGBuilder took 3485.17 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: 106.3 MB). Peak memory consumption was 106.3 MB. Max. memory is 7.1 GB. [2018-10-24 14:53:13,815 INFO L168 Benchmark]: TraceAbstraction took 14045.71 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 137.4 MB). Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 361.1 MB). Peak memory consumption was 498.5 MB. Max. memory is 7.1 GB. [2018-10-24 14:53:13,821 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 726.37 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: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 237.36 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 757.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -835.2 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.96 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3485.17 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: 106.3 MB). Peak memory consumption was 106.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14045.71 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 137.4 MB). Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 361.1 MB). Peak memory consumption was 498.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 499]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((!(a25 == 1) && a17 <= 8) && a11 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a11 == 1)) && a17 == 8)) || ((a17 == 8 && !(a11 == 1)) && !(a28 == 11))) || (((a19 == 1 && a17 <= 8) && a11 == 1) && !(a28 == 11))) || ((a28 == 9 && a17 <= 8) && a11 == 1) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((!(a25 == 1) && a17 <= 8) && a11 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a11 == 1)) && a17 == 8)) || ((a17 == 8 && !(a11 == 1)) && !(a28 == 11))) || ((a28 == 9 && a17 <= 8) && a11 == 1)) || (((a19 == 1 && a17 <= 8) && a11 == 1) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. SAFE Result, 13.9s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 11.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1002 SDtfs, 1861 SDslu, 468 SDs, 0 SdLazy, 3775 SolverSat, 907 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2757occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 933 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 51 NumberOfFragments, 129 HoareAnnotationTreeSize, 3 FomulaSimplifications, 708 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 264 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 784 NumberOfCodeBlocks, 784 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 778 ConstructedInterpolants, 0 QuantifiedInterpolants, 177327 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 147/147 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...