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/Problem01_label18_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 18:46:37,984 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 18:46:37,990 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 18:46:38,002 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 18:46:38,003 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 18:46:38,004 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 18:46:38,005 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 18:46:38,007 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 18:46:38,008 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 18:46:38,009 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 18:46:38,010 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 18:46:38,011 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 18:46:38,012 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 18:46:38,013 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 18:46:38,014 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 18:46:38,014 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 18:46:38,015 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 18:46:38,017 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 18:46:38,019 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 18:46:38,021 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 18:46:38,022 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 18:46:38,023 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 18:46:38,026 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-23 18:46:38,042 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 18:46:38,071 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 18:46:38,071 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 18:46:38,072 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 18:46:38,072 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-23 18:46:38,074 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-23 18:46:38,074 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-23 18:46:38,074 INFO L133 SettingsManager]: * Use SBE=true [2018-10-23 18:46:38,074 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 18:46:38,074 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 18:46:38,075 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 18:46:38,076 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 18:46:38,076 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 18:46:38,076 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 18:46:38,076 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 18:46:38,076 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 18:46:38,077 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 18:46:38,078 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 18:46:38,078 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 18:46:38,078 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 18:46:38,079 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 18:46:38,079 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 18:46:38,079 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 18:46:38,079 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 18:46:38,079 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-23 18:46:38,079 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 18:46:38,080 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 18:46:38,080 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 18:46:38,080 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 18:46:38,134 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 18:46:38,146 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 18:46:38,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 18:46:38,151 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 18:46:38,152 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 18:46:38,153 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label18_true-unreach-call_false-termination.c [2018-10-23 18:46:38,212 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9b5a091e4/456eb7b6765d4b9b9ac4f60a06de48ff/FLAG5b2067bba [2018-10-23 18:46:38,775 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 18:46:38,776 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label18_true-unreach-call_false-termination.c [2018-10-23 18:46:38,792 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9b5a091e4/456eb7b6765d4b9b9ac4f60a06de48ff/FLAG5b2067bba [2018-10-23 18:46:38,808 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9b5a091e4/456eb7b6765d4b9b9ac4f60a06de48ff [2018-10-23 18:46:38,818 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 18:46:38,820 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 18:46:38,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 18:46:38,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 18:46:38,825 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 18:46:38,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:46:38" (1/1) ... [2018-10-23 18:46:38,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@255fd7b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:46:38, skipping insertion in model container [2018-10-23 18:46:38,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:46:38" (1/1) ... [2018-10-23 18:46:38,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 18:46:38,896 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 18:46:39,331 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 18:46:39,340 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 18:46:39,498 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 18:46:39,520 INFO L193 MainTranslator]: Completed translation [2018-10-23 18:46:39,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:46:39 WrapperNode [2018-10-23 18:46:39,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 18:46:39,522 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 18:46:39,522 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 18:46:39,522 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 18:46:39,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:46:39" (1/1) ... [2018-10-23 18:46:39,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:46:39" (1/1) ... [2018-10-23 18:46:39,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 18:46:39,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 18:46:39,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 18:46:39,733 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 18:46:39,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:46:39" (1/1) ... [2018-10-23 18:46:39,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:46:39" (1/1) ... [2018-10-23 18:46:39,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:46:39" (1/1) ... [2018-10-23 18:46:39,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:46:39" (1/1) ... [2018-10-23 18:46:39,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:46:39" (1/1) ... [2018-10-23 18:46:39,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:46:39" (1/1) ... [2018-10-23 18:46:39,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:46:39" (1/1) ... [2018-10-23 18:46:39,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 18:46:39,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 18:46:39,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 18:46:39,808 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 18:46:39,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:46:39" (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 18:46:39,889 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-23 18:46:39,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 18:46:39,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 18:46:43,072 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 18:46:43,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:46:43 BoogieIcfgContainer [2018-10-23 18:46:43,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 18:46:43,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 18:46:43,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 18:46:43,078 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 18:46:43,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:46:38" (1/3) ... [2018-10-23 18:46:43,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@697b75d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:46:43, skipping insertion in model container [2018-10-23 18:46:43,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:46:39" (2/3) ... [2018-10-23 18:46:43,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@697b75d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:46:43, skipping insertion in model container [2018-10-23 18:46:43,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:46:43" (3/3) ... [2018-10-23 18:46:43,083 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label18_true-unreach-call_false-termination.c [2018-10-23 18:46:43,094 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 18:46:43,105 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 18:46:43,122 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 18:46:43,157 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-23 18:46:43,158 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 18:46:43,158 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 18:46:43,159 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 18:46:43,159 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 18:46:43,159 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 18:46:43,160 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 18:46:43,160 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 18:46:43,160 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 18:46:43,183 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2018-10-23 18:46:43,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-23 18:46:43,195 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:46:43,196 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] [2018-10-23 18:46:43,199 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:46:43,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:46:43,204 INFO L82 PathProgramCache]: Analyzing trace with hash 816741823, now seen corresponding path program 1 times [2018-10-23 18:46:43,206 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:46:43,206 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:46:43,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:46:43,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:46:43,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:46:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:46:43,813 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 18:46:43,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:46:43,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:46:43,822 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:46:43,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:46:43,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:46:43,844 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 4 states. [2018-10-23 18:46:46,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:46:46,375 INFO L93 Difference]: Finished difference Result 691 states and 1207 transitions. [2018-10-23 18:46:46,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 18:46:46,376 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 101 [2018-10-23 18:46:46,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:46:46,398 INFO L225 Difference]: With dead ends: 691 [2018-10-23 18:46:46,398 INFO L226 Difference]: Without dead ends: 485 [2018-10-23 18:46:46,403 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 18:46:46,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2018-10-23 18:46:46,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 328. [2018-10-23 18:46:46,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-10-23 18:46:46,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 527 transitions. [2018-10-23 18:46:46,515 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 527 transitions. Word has length 101 [2018-10-23 18:46:46,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:46:46,516 INFO L481 AbstractCegarLoop]: Abstraction has 328 states and 527 transitions. [2018-10-23 18:46:46,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:46:46,516 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 527 transitions. [2018-10-23 18:46:46,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-23 18:46:46,525 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:46:46,526 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 18:46:46,528 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:46:46,528 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:46:46,529 INFO L82 PathProgramCache]: Analyzing trace with hash 79214284, now seen corresponding path program 1 times [2018-10-23 18:46:46,529 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:46:46,529 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:46:46,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:46:46,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:46:46,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:46:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:46:46,795 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:46:46,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:46:46,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:46:46,800 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:46:46,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:46:46,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:46:46,801 INFO L87 Difference]: Start difference. First operand 328 states and 527 transitions. Second operand 4 states. [2018-10-23 18:46:48,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:46:48,415 INFO L93 Difference]: Finished difference Result 1182 states and 1980 transitions. [2018-10-23 18:46:48,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 18:46:48,416 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2018-10-23 18:46:48,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:46:48,424 INFO L225 Difference]: With dead ends: 1182 [2018-10-23 18:46:48,424 INFO L226 Difference]: Without dead ends: 856 [2018-10-23 18:46:48,427 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 18:46:48,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2018-10-23 18:46:48,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 856. [2018-10-23 18:46:48,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2018-10-23 18:46:48,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1303 transitions. [2018-10-23 18:46:48,470 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1303 transitions. Word has length 108 [2018-10-23 18:46:48,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:46:48,470 INFO L481 AbstractCegarLoop]: Abstraction has 856 states and 1303 transitions. [2018-10-23 18:46:48,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:46:48,470 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1303 transitions. [2018-10-23 18:46:48,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-23 18:46:48,475 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:46:48,476 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 18:46:48,476 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:46:48,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:46:48,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1484678827, now seen corresponding path program 1 times [2018-10-23 18:46:48,477 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:46:48,477 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:46:48,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:46:48,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:46:48,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:46:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:46:48,665 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-23 18:46:48,665 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:46:48,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-23 18:46:48,667 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 18:46:48,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 18:46:48,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 18:46:48,668 INFO L87 Difference]: Start difference. First operand 856 states and 1303 transitions. Second operand 3 states. [2018-10-23 18:46:51,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:46:51,716 INFO L93 Difference]: Finished difference Result 2364 states and 3579 transitions. [2018-10-23 18:46:51,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 18:46:51,716 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2018-10-23 18:46:51,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:46:51,725 INFO L225 Difference]: With dead ends: 2364 [2018-10-23 18:46:51,725 INFO L226 Difference]: Without dead ends: 1510 [2018-10-23 18:46:51,727 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 [2018-10-23 18:46:51,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1510 states. [2018-10-23 18:46:51,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1510 to 1510. [2018-10-23 18:46:51,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1510 states. [2018-10-23 18:46:51,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 2086 transitions. [2018-10-23 18:46:51,777 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 2086 transitions. Word has length 109 [2018-10-23 18:46:51,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:46:51,778 INFO L481 AbstractCegarLoop]: Abstraction has 1510 states and 2086 transitions. [2018-10-23 18:46:51,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 18:46:51,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 2086 transitions. [2018-10-23 18:46:51,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-23 18:46:51,789 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:46:51,791 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 18:46:51,791 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:46:51,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:46:51,792 INFO L82 PathProgramCache]: Analyzing trace with hash -2116639143, now seen corresponding path program 1 times [2018-10-23 18:46:51,792 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:46:51,792 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:46:51,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:46:51,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:46:51,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:46:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:46:51,928 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-23 18:46:51,928 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:46:51,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-23 18:46:51,929 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 18:46:51,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 18:46:51,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 18:46:51,931 INFO L87 Difference]: Start difference. First operand 1510 states and 2086 transitions. Second operand 3 states. [2018-10-23 18:46:53,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:46:53,188 INFO L93 Difference]: Finished difference Result 3546 states and 4969 transitions. [2018-10-23 18:46:53,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 18:46:53,189 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2018-10-23 18:46:53,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:46:53,200 INFO L225 Difference]: With dead ends: 3546 [2018-10-23 18:46:53,200 INFO L226 Difference]: Without dead ends: 2038 [2018-10-23 18:46:53,202 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 [2018-10-23 18:46:53,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2038 states. [2018-10-23 18:46:53,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2038 to 2038. [2018-10-23 18:46:53,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2038 states. [2018-10-23 18:46:53,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 2038 states and 2807 transitions. [2018-10-23 18:46:53,245 INFO L78 Accepts]: Start accepts. Automaton has 2038 states and 2807 transitions. Word has length 126 [2018-10-23 18:46:53,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:46:53,246 INFO L481 AbstractCegarLoop]: Abstraction has 2038 states and 2807 transitions. [2018-10-23 18:46:53,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 18:46:53,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 2807 transitions. [2018-10-23 18:46:53,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-23 18:46:53,250 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:46:53,251 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 18:46:53,251 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:46:53,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:46:53,252 INFO L82 PathProgramCache]: Analyzing trace with hash 972661155, now seen corresponding path program 1 times [2018-10-23 18:46:53,252 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:46:53,252 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:46:53,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:46:53,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:46:53,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:46:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:46:53,414 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-23 18:46:53,415 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:46:53,415 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-23 18:46:53,415 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 18:46:53,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 18:46:53,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 18:46:53,416 INFO L87 Difference]: Start difference. First operand 2038 states and 2807 transitions. Second operand 3 states. [2018-10-23 18:46:54,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:46:54,385 INFO L93 Difference]: Finished difference Result 5526 states and 7563 transitions. [2018-10-23 18:46:54,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 18:46:54,386 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2018-10-23 18:46:54,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:46:54,402 INFO L225 Difference]: With dead ends: 5526 [2018-10-23 18:46:54,402 INFO L226 Difference]: Without dead ends: 3490 [2018-10-23 18:46:54,405 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 18:46:54,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3490 states. [2018-10-23 18:46:54,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3490 to 3490. [2018-10-23 18:46:54,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3490 states. [2018-10-23 18:46:54,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3490 states to 3490 states and 4530 transitions. [2018-10-23 18:46:54,467 INFO L78 Accepts]: Start accepts. Automaton has 3490 states and 4530 transitions. Word has length 138 [2018-10-23 18:46:54,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:46:54,468 INFO L481 AbstractCegarLoop]: Abstraction has 3490 states and 4530 transitions. [2018-10-23 18:46:54,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 18:46:54,468 INFO L276 IsEmpty]: Start isEmpty. Operand 3490 states and 4530 transitions. [2018-10-23 18:46:54,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-23 18:46:54,474 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:46:54,474 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2018-10-23 18:46:54,475 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:46:54,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:46:54,475 INFO L82 PathProgramCache]: Analyzing trace with hash -686511857, now seen corresponding path program 1 times [2018-10-23 18:46:54,475 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:46:54,475 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:46:54,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:46:54,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:46:54,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:46:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:46:54,705 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-23 18:46:54,949 WARN L179 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-23 18:46:54,972 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-23 18:46:54,973 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:46:54,973 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:46:54,973 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:46:54,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:46:54,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:46:54,974 INFO L87 Difference]: Start difference. First operand 3490 states and 4530 transitions. Second operand 4 states. [2018-10-23 18:46:56,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:46:56,899 INFO L93 Difference]: Finished difference Result 7434 states and 9567 transitions. [2018-10-23 18:46:56,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-23 18:46:56,900 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 146 [2018-10-23 18:46:56,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:46:56,912 INFO L225 Difference]: With dead ends: 7434 [2018-10-23 18:46:56,912 INFO L226 Difference]: Without dead ends: 3946 [2018-10-23 18:46:56,917 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-23 18:46:56,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3946 states. [2018-10-23 18:46:56,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3946 to 3754. [2018-10-23 18:46:56,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3754 states. [2018-10-23 18:46:56,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3754 states to 3754 states and 4807 transitions. [2018-10-23 18:46:56,979 INFO L78 Accepts]: Start accepts. Automaton has 3754 states and 4807 transitions. Word has length 146 [2018-10-23 18:46:56,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:46:56,979 INFO L481 AbstractCegarLoop]: Abstraction has 3754 states and 4807 transitions. [2018-10-23 18:46:56,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:46:56,979 INFO L276 IsEmpty]: Start isEmpty. Operand 3754 states and 4807 transitions. [2018-10-23 18:46:56,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-10-23 18:46:56,985 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:46:56,985 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-10-23 18:46:56,986 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:46:56,986 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:46:56,986 INFO L82 PathProgramCache]: Analyzing trace with hash 441358951, now seen corresponding path program 1 times [2018-10-23 18:46:56,986 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:46:56,986 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:46:56,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:46:56,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:46:56,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:46:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:46:57,204 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-23 18:46:57,204 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:46:57,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:46:57,205 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:46:57,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:46:57,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:46:57,206 INFO L87 Difference]: Start difference. First operand 3754 states and 4807 transitions. Second operand 4 states. [2018-10-23 18:46:58,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:46:58,324 INFO L93 Difference]: Finished difference Result 7506 states and 9669 transitions. [2018-10-23 18:46:58,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 18:46:58,325 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 151 [2018-10-23 18:46:58,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:46:58,339 INFO L225 Difference]: With dead ends: 7506 [2018-10-23 18:46:58,339 INFO L226 Difference]: Without dead ends: 3886 [2018-10-23 18:46:58,345 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 18:46:58,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3886 states. [2018-10-23 18:46:58,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3886 to 3886. [2018-10-23 18:46:58,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3886 states. [2018-10-23 18:46:58,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3886 states to 3886 states and 4907 transitions. [2018-10-23 18:46:58,425 INFO L78 Accepts]: Start accepts. Automaton has 3886 states and 4907 transitions. Word has length 151 [2018-10-23 18:46:58,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:46:58,426 INFO L481 AbstractCegarLoop]: Abstraction has 3886 states and 4907 transitions. [2018-10-23 18:46:58,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:46:58,426 INFO L276 IsEmpty]: Start isEmpty. Operand 3886 states and 4907 transitions. [2018-10-23 18:46:58,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-23 18:46:58,433 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:46:58,433 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-10-23 18:46:58,434 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:46:58,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:46:58,434 INFO L82 PathProgramCache]: Analyzing trace with hash -432779357, now seen corresponding path program 1 times [2018-10-23 18:46:58,434 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:46:58,434 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:46:58,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:46:58,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:46:58,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:46:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:46:58,568 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-23 18:46:58,569 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:46:58,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:46:58,569 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 18:46:58,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 18:46:58,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 18:46:58,570 INFO L87 Difference]: Start difference. First operand 3886 states and 4907 transitions. Second operand 3 states. [2018-10-23 18:46:59,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:46:59,218 INFO L93 Difference]: Finished difference Result 7638 states and 9674 transitions. [2018-10-23 18:46:59,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 18:46:59,218 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2018-10-23 18:46:59,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:46:59,228 INFO L225 Difference]: With dead ends: 7638 [2018-10-23 18:46:59,228 INFO L226 Difference]: Without dead ends: 3214 [2018-10-23 18:46:59,232 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 [2018-10-23 18:46:59,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3214 states. [2018-10-23 18:46:59,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3214 to 3214. [2018-10-23 18:46:59,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3214 states. [2018-10-23 18:46:59,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3214 states to 3214 states and 3648 transitions. [2018-10-23 18:46:59,278 INFO L78 Accepts]: Start accepts. Automaton has 3214 states and 3648 transitions. Word has length 154 [2018-10-23 18:46:59,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:46:59,279 INFO L481 AbstractCegarLoop]: Abstraction has 3214 states and 3648 transitions. [2018-10-23 18:46:59,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 18:46:59,279 INFO L276 IsEmpty]: Start isEmpty. Operand 3214 states and 3648 transitions. [2018-10-23 18:46:59,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-23 18:46:59,284 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:46:59,284 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:46:59,285 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:46:59,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:46:59,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1213086856, now seen corresponding path program 1 times [2018-10-23 18:46:59,285 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:46:59,285 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:46:59,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:46:59,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:46:59,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:46:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:46:59,449 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-23 18:46:59,449 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:46:59,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-23 18:46:59,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 18:46:59,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 18:46:59,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 18:46:59,451 INFO L87 Difference]: Start difference. First operand 3214 states and 3648 transitions. Second operand 3 states. [2018-10-23 18:47:00,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:47:00,004 INFO L93 Difference]: Finished difference Result 6294 states and 7159 transitions. [2018-10-23 18:47:00,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 18:47:00,005 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2018-10-23 18:47:00,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:47:00,016 INFO L225 Difference]: With dead ends: 6294 [2018-10-23 18:47:00,016 INFO L226 Difference]: Without dead ends: 2944 [2018-10-23 18:47:00,020 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 [2018-10-23 18:47:00,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2944 states. [2018-10-23 18:47:00,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2944 to 2680. [2018-10-23 18:47:00,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2680 states. [2018-10-23 18:47:00,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2680 states to 2680 states and 3027 transitions. [2018-10-23 18:47:00,059 INFO L78 Accepts]: Start accepts. Automaton has 2680 states and 3027 transitions. Word has length 168 [2018-10-23 18:47:00,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:47:00,059 INFO L481 AbstractCegarLoop]: Abstraction has 2680 states and 3027 transitions. [2018-10-23 18:47:00,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 18:47:00,060 INFO L276 IsEmpty]: Start isEmpty. Operand 2680 states and 3027 transitions. [2018-10-23 18:47:00,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-23 18:47:00,066 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:47:00,066 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 18:47:00,066 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:47:00,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:47:00,067 INFO L82 PathProgramCache]: Analyzing trace with hash 2093448885, now seen corresponding path program 1 times [2018-10-23 18:47:00,067 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:47:00,067 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:47:00,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:00,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:47:00,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:47:00,444 WARN L179 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8 [2018-10-23 18:47:00,702 WARN L179 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8 [2018-10-23 18:47:01,108 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 147 proven. 27 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-23 18:47:01,110 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 18:47:01,110 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 18:47:01,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:47:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:47:01,281 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 18:47:01,456 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-10-23 18:47:01,490 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 18:47:01,490 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2018-10-23 18:47:01,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-23 18:47:01,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-23 18:47:01,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-10-23 18:47:01,492 INFO L87 Difference]: Start difference. First operand 2680 states and 3027 transitions. Second operand 8 states. [2018-10-23 18:47:02,607 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-23 18:47:05,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:47:05,455 INFO L93 Difference]: Finished difference Result 6684 states and 7545 transitions. [2018-10-23 18:47:05,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-23 18:47:05,456 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 198 [2018-10-23 18:47:05,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:47:05,470 INFO L225 Difference]: With dead ends: 6684 [2018-10-23 18:47:05,470 INFO L226 Difference]: Without dead ends: 3338 [2018-10-23 18:47:05,474 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 200 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2018-10-23 18:47:05,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3338 states. [2018-10-23 18:47:05,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3338 to 3194. [2018-10-23 18:47:05,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3194 states. [2018-10-23 18:47:05,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 3194 states and 3459 transitions. [2018-10-23 18:47:05,536 INFO L78 Accepts]: Start accepts. Automaton has 3194 states and 3459 transitions. Word has length 198 [2018-10-23 18:47:05,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:47:05,536 INFO L481 AbstractCegarLoop]: Abstraction has 3194 states and 3459 transitions. [2018-10-23 18:47:05,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-23 18:47:05,537 INFO L276 IsEmpty]: Start isEmpty. Operand 3194 states and 3459 transitions. [2018-10-23 18:47:05,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-10-23 18:47:05,544 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:47:05,544 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 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] [2018-10-23 18:47:05,545 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:47:05,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:47:05,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1875667848, now seen corresponding path program 1 times [2018-10-23 18:47:05,545 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:47:05,546 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:47:05,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:05,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:47:05,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:05,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:47:06,007 WARN L179 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2018-10-23 18:47:06,245 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-10-23 18:47:06,245 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:47:06,245 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 18:47:06,246 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 18:47:06,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 18:47:06,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-23 18:47:06,246 INFO L87 Difference]: Start difference. First operand 3194 states and 3459 transitions. Second operand 6 states. [2018-10-23 18:47:07,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:47:07,324 INFO L93 Difference]: Finished difference Result 6659 states and 7221 transitions. [2018-10-23 18:47:07,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-23 18:47:07,327 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 255 [2018-10-23 18:47:07,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:47:07,344 INFO L225 Difference]: With dead ends: 6659 [2018-10-23 18:47:07,344 INFO L226 Difference]: Without dead ends: 3599 [2018-10-23 18:47:07,348 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-23 18:47:07,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3599 states. [2018-10-23 18:47:07,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3599 to 3194. [2018-10-23 18:47:07,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3194 states. [2018-10-23 18:47:07,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 3194 states and 3440 transitions. [2018-10-23 18:47:07,452 INFO L78 Accepts]: Start accepts. Automaton has 3194 states and 3440 transitions. Word has length 255 [2018-10-23 18:47:07,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:47:07,453 INFO L481 AbstractCegarLoop]: Abstraction has 3194 states and 3440 transitions. [2018-10-23 18:47:07,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 18:47:07,453 INFO L276 IsEmpty]: Start isEmpty. Operand 3194 states and 3440 transitions. [2018-10-23 18:47:07,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-10-23 18:47:07,461 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:47:07,461 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 18:47:07,461 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:47:07,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:47:07,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1578803217, now seen corresponding path program 1 times [2018-10-23 18:47:07,462 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:47:07,462 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:47:07,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:07,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:47:07,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:47:07,989 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-23 18:47:08,243 WARN L179 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 15 [2018-10-23 18:47:08,417 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-10-23 18:47:08,706 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2018-10-23 18:47:08,852 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 29 [2018-10-23 18:47:09,169 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 283 proven. 5 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-23 18:47:09,170 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 18:47:09,170 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 18:47:09,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:47:09,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:47:09,279 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 18:47:09,367 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-10-23 18:47:09,396 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 18:47:09,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 14 [2018-10-23 18:47:09,397 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-23 18:47:09,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-23 18:47:09,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2018-10-23 18:47:09,397 INFO L87 Difference]: Start difference. First operand 3194 states and 3440 transitions. Second operand 14 states. [2018-10-23 18:47:11,109 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 29 [2018-10-23 18:47:12,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:47:12,358 INFO L93 Difference]: Finished difference Result 6311 states and 6812 transitions. [2018-10-23 18:47:12,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-23 18:47:12,365 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 277 [2018-10-23 18:47:12,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:47:12,374 INFO L225 Difference]: With dead ends: 6311 [2018-10-23 18:47:12,374 INFO L226 Difference]: Without dead ends: 3251 [2018-10-23 18:47:12,378 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 280 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=157, Invalid=263, Unknown=0, NotChecked=0, Total=420 [2018-10-23 18:47:12,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3251 states. [2018-10-23 18:47:12,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3251 to 3111. [2018-10-23 18:47:12,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3111 states. [2018-10-23 18:47:12,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3111 states to 3111 states and 3339 transitions. [2018-10-23 18:47:12,439 INFO L78 Accepts]: Start accepts. Automaton has 3111 states and 3339 transitions. Word has length 277 [2018-10-23 18:47:12,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:47:12,439 INFO L481 AbstractCegarLoop]: Abstraction has 3111 states and 3339 transitions. [2018-10-23 18:47:12,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-23 18:47:12,440 INFO L276 IsEmpty]: Start isEmpty. Operand 3111 states and 3339 transitions. [2018-10-23 18:47:12,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-10-23 18:47:12,447 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:47:12,448 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-23 18:47:12,448 INFO L424 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:47:12,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:47:12,448 INFO L82 PathProgramCache]: Analyzing trace with hash 473686453, now seen corresponding path program 1 times [2018-10-23 18:47:12,448 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:47:12,449 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:47:12,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:12,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:47:12,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:47:12,862 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-10-23 18:47:12,863 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:47:12,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 18:47:12,863 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:47:12,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:47:12,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:47:12,864 INFO L87 Difference]: Start difference. First operand 3111 states and 3339 transitions. Second operand 4 states. [2018-10-23 18:47:13,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:47:13,429 INFO L93 Difference]: Finished difference Result 5683 states and 6130 transitions. [2018-10-23 18:47:13,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 18:47:13,430 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 289 [2018-10-23 18:47:13,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:47:13,431 INFO L225 Difference]: With dead ends: 5683 [2018-10-23 18:47:13,431 INFO L226 Difference]: Without dead ends: 0 [2018-10-23 18:47:13,435 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 18:47:13,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-23 18:47:13,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-23 18:47:13,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-23 18:47:13,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-23 18:47:13,436 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 289 [2018-10-23 18:47:13,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:47:13,436 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-23 18:47:13,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:47:13,436 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-23 18:47:13,436 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-23 18:47:13,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-23 18:47:13,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 18:47:13,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 18:47:13,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 18:47:13,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 18:47:13,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 18:47:13,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 18:47:13,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 18:47:13,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 18:47:13,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 18:47:13,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 18:47:13,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 18:47:13,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 18:47:13,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 18:47:13,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 18:47:13,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 18:47:13,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 18:47:14,560 WARN L179 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2018-10-23 18:47:15,090 WARN L179 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2018-10-23 18:47:15,094 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-10-23 18:47:15,094 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-10-23 18:47:15,094 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,095 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,095 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,095 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,095 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,095 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,095 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-10-23 18:47:15,095 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-10-23 18:47:15,095 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-10-23 18:47:15,095 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-10-23 18:47:15,095 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-10-23 18:47:15,095 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-10-23 18:47:15,096 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-10-23 18:47:15,096 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-10-23 18:47:15,096 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-10-23 18:47:15,096 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-10-23 18:47:15,096 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,096 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,096 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,096 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,096 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,096 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,096 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-10-23 18:47:15,096 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-10-23 18:47:15,097 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-10-23 18:47:15,097 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-10-23 18:47:15,097 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-10-23 18:47:15,097 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-10-23 18:47:15,097 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-10-23 18:47:15,097 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-10-23 18:47:15,097 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-10-23 18:47:15,097 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-10-23 18:47:15,097 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-10-23 18:47:15,098 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-10-23 18:47:15,098 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-10-23 18:47:15,098 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-10-23 18:47:15,098 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-10-23 18:47:15,098 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,098 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,098 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,098 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,098 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,098 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-10-23 18:47:15,099 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-10-23 18:47:15,099 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-10-23 18:47:15,099 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-10-23 18:47:15,099 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-10-23 18:47:15,099 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-10-23 18:47:15,099 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-10-23 18:47:15,099 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-10-23 18:47:15,099 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-10-23 18:47:15,100 INFO L421 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse9 (= ~a7~0 1))) (let ((.cse7 (= ~a20~0 1)) (.cse3 (= ~a16~0 5)) (.cse4 (<= 15 ~a8~0)) (.cse11 (not .cse9)) (.cse1 (<= ~a17~0 0)) (.cse2 (= ~a21~0 1)) (.cse8 (= ~a16~0 6)) (.cse10 (<= ~a21~0 0)) (.cse5 (= ~a16~0 4)) (.cse6 (= ~a17~0 1)) (.cse0 (= ~a12~0 8))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse0 .cse2) (and .cse4 .cse6 .cse0 .cse2 .cse3) (and .cse0 .cse6 .cse2 .cse7 .cse8) (and .cse9 .cse5 .cse2) (and .cse9 .cse2 .cse7) (and .cse9 .cse10 .cse0 .cse7) (and .cse5 .cse0 .cse1 .cse2) (and .cse5 .cse6 .cse0 .cse2 .cse7) (and .cse9 .cse4 .cse2 .cse3) (and .cse4 .cse11 .cse6 .cse0 .cse2 .cse8) (and .cse4 .cse11 .cse0 .cse1 .cse2 .cse8) (and .cse9 .cse10 .cse5 (or (= ULTIMATE.start_calculate_output_~input 2) (= ULTIMATE.start_calculate_output_~input 4) (= 5 ULTIMATE.start_calculate_output_~input) (= ULTIMATE.start_calculate_output_~input 6)) (= ~a8~0 13) .cse6 .cse0 (<= ~a20~0 0))))) [2018-10-23 18:47:15,100 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,100 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,100 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,101 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,101 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,101 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-10-23 18:47:15,101 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-10-23 18:47:15,101 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-10-23 18:47:15,101 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-10-23 18:47:15,101 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-10-23 18:47:15,101 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-10-23 18:47:15,101 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-10-23 18:47:15,101 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-10-23 18:47:15,102 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-10-23 18:47:15,102 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-10-23 18:47:15,102 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-10-23 18:47:15,102 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-10-23 18:47:15,102 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-10-23 18:47:15,102 INFO L428 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2018-10-23 18:47:15,102 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,102 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,102 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,102 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,102 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,102 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-10-23 18:47:15,102 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-10-23 18:47:15,102 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-10-23 18:47:15,103 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 476) no Hoare annotation was computed. [2018-10-23 18:47:15,103 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-10-23 18:47:15,103 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-10-23 18:47:15,103 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-10-23 18:47:15,103 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-10-23 18:47:15,103 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-10-23 18:47:15,103 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-10-23 18:47:15,103 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,103 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,103 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,103 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,103 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,103 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-10-23 18:47:15,103 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-10-23 18:47:15,104 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-10-23 18:47:15,104 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-10-23 18:47:15,104 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-10-23 18:47:15,104 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-10-23 18:47:15,104 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-10-23 18:47:15,104 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-10-23 18:47:15,104 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-23 18:47:15,104 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-10-23 18:47:15,104 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-10-23 18:47:15,104 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-10-23 18:47:15,104 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-10-23 18:47:15,104 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-10-23 18:47:15,104 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-10-23 18:47:15,104 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-10-23 18:47:15,105 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,105 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,105 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,105 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse9 (= ~a7~0 1))) (let ((.cse7 (= ~a20~0 1)) (.cse3 (= ~a16~0 5)) (.cse4 (<= 15 ~a8~0)) (.cse11 (not .cse9)) (.cse1 (<= ~a17~0 0)) (.cse2 (= ~a21~0 1)) (.cse8 (= ~a16~0 6)) (.cse10 (<= ~a21~0 0)) (.cse5 (= ~a16~0 4)) (.cse6 (= ~a17~0 1)) (.cse0 (= ~a12~0 8))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse0 .cse2) (and .cse4 .cse6 .cse0 .cse2 .cse3) (and .cse0 .cse6 .cse2 .cse7 .cse8) (and .cse9 .cse5 .cse2) (and .cse9 .cse2 .cse7) (and .cse9 .cse10 .cse0 .cse7) (and .cse5 .cse0 .cse1 .cse2) (and .cse5 .cse6 .cse0 .cse2 .cse7) (and .cse9 .cse4 .cse2 .cse3) (and .cse4 .cse11 .cse6 .cse0 .cse2 .cse8) (and .cse4 .cse11 .cse0 .cse1 .cse2 .cse8) (and .cse9 .cse10 .cse5 (or (= ULTIMATE.start_calculate_output_~input 2) (= ULTIMATE.start_calculate_output_~input 4) (= 5 ULTIMATE.start_calculate_output_~input) (= ULTIMATE.start_calculate_output_~input 6)) (= ~a8~0 13) .cse6 .cse0 (<= ~a20~0 0))))) [2018-10-23 18:47:15,105 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,105 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,105 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-10-23 18:47:15,105 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-10-23 18:47:15,105 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-10-23 18:47:15,105 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-10-23 18:47:15,106 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-10-23 18:47:15,106 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-10-23 18:47:15,106 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-10-23 18:47:15,106 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-10-23 18:47:15,106 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,106 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,106 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,106 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,106 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,106 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-10-23 18:47:15,106 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-23 18:47:15,106 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-10-23 18:47:15,106 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-10-23 18:47:15,107 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-10-23 18:47:15,107 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-10-23 18:47:15,107 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-10-23 18:47:15,107 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-10-23 18:47:15,107 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-10-23 18:47:15,107 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-10-23 18:47:15,107 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-10-23 18:47:15,107 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-10-23 18:47:15,107 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-10-23 18:47:15,107 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,107 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,107 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,107 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,107 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,108 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-10-23 18:47:15,108 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,108 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-10-23 18:47:15,108 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-10-23 18:47:15,108 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-23 18:47:15,108 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-10-23 18:47:15,108 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-10-23 18:47:15,108 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-10-23 18:47:15,108 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-10-23 18:47:15,108 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-10-23 18:47:15,109 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-10-23 18:47:15,109 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-10-23 18:47:15,109 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-10-23 18:47:15,109 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-10-23 18:47:15,109 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-10-23 18:47:15,109 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,109 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,109 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,110 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,110 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,110 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,110 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-10-23 18:47:15,110 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-10-23 18:47:15,110 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-10-23 18:47:15,110 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-10-23 18:47:15,110 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-10-23 18:47:15,110 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-10-23 18:47:15,111 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-10-23 18:47:15,111 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-10-23 18:47:15,111 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-10-23 18:47:15,111 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-10-23 18:47:15,111 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-10-23 18:47:15,111 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-10-23 18:47:15,111 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-23 18:47:15,111 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-10-23 18:47:15,111 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-10-23 18:47:15,111 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-10-23 18:47:15,112 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,112 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,112 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,112 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,112 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,112 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:15,112 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-10-23 18:47:15,112 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-10-23 18:47:15,113 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-10-23 18:47:15,113 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-10-23 18:47:15,113 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-10-23 18:47:15,113 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-10-23 18:47:15,113 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-10-23 18:47:15,113 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-10-23 18:47:15,113 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-10-23 18:47:15,113 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-10-23 18:47:15,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:47:15 BoogieIcfgContainer [2018-10-23 18:47:15,139 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 18:47:15,140 INFO L168 Benchmark]: Toolchain (without parser) took 36320.66 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.2 GB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -945.8 MB). Peak memory consumption was 230.2 MB. Max. memory is 7.1 GB. [2018-10-23 18:47:15,141 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 18:47:15,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-23 18:47:15,142 INFO L168 Benchmark]: Boogie Procedure Inliner took 210.89 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 716.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -801.8 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2018-10-23 18:47:15,143 INFO L168 Benchmark]: Boogie Preprocessor took 73.98 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 18:47:15,144 INFO L168 Benchmark]: RCFGBuilder took 3266.18 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 118.4 MB). Peak memory consumption was 118.4 MB. Max. memory is 7.1 GB. [2018-10-23 18:47:15,145 INFO L168 Benchmark]: TraceAbstraction took 32064.60 ms. Allocated memory was 2.2 GB in the beginning and 2.7 GB in the end (delta: 459.8 MB). Free memory was 2.0 GB in the beginning and 2.3 GB in the end (delta: -294.0 MB). Peak memory consumption was 165.8 MB. Max. memory is 7.1 GB. [2018-10-23 18:47:15,150 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 700.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 210.89 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 716.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -801.8 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 73.98 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3266.18 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 118.4 MB). Peak memory consumption was 118.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 32064.60 ms. Allocated memory was 2.2 GB in the beginning and 2.7 GB in the end (delta: 459.8 MB). Free memory was 2.0 GB in the beginning and 2.3 GB in the end (delta: -294.0 MB). Peak memory consumption was 165.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 476]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((((((a12 == 8 && a17 <= 0) && a21 == 1) && a16 == 5) || ((((15 <= a8 && a16 == 4) && a17 == 1) && a12 == 8) && a21 == 1)) || ((((15 <= a8 && a17 == 1) && a12 == 8) && a21 == 1) && a16 == 5)) || ((((a12 == 8 && a17 == 1) && a21 == 1) && a20 == 1) && a16 == 6)) || ((a7 == 1 && a16 == 4) && a21 == 1)) || ((a7 == 1 && a21 == 1) && a20 == 1)) || (((a7 == 1 && a21 <= 0) && a12 == 8) && a20 == 1)) || (((a16 == 4 && a12 == 8) && a17 <= 0) && a21 == 1)) || ((((a16 == 4 && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1)) || (((a7 == 1 && 15 <= a8) && a21 == 1) && a16 == 5)) || (((((15 <= a8 && !(a7 == 1)) && a17 == 1) && a12 == 8) && a21 == 1) && a16 == 6)) || (((((15 <= a8 && !(a7 == 1)) && a12 == 8) && a17 <= 0) && a21 == 1) && a16 == 6)) || (((((((a7 == 1 && a21 <= 0) && a16 == 4) && (((input == 2 || input == 4) || 5 == input) || input == 6)) && a8 == 13) && a17 == 1) && a12 == 8) && a20 <= 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((((((((a12 == 8 && a17 <= 0) && a21 == 1) && a16 == 5) || ((((15 <= a8 && a16 == 4) && a17 == 1) && a12 == 8) && a21 == 1)) || ((((15 <= a8 && a17 == 1) && a12 == 8) && a21 == 1) && a16 == 5)) || ((((a12 == 8 && a17 == 1) && a21 == 1) && a20 == 1) && a16 == 6)) || ((a7 == 1 && a16 == 4) && a21 == 1)) || ((a7 == 1 && a21 == 1) && a20 == 1)) || (((a7 == 1 && a21 <= 0) && a12 == 8) && a20 == 1)) || (((a16 == 4 && a12 == 8) && a17 <= 0) && a21 == 1)) || ((((a16 == 4 && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1)) || (((a7 == 1 && 15 <= a8) && a21 == 1) && a16 == 5)) || (((((15 <= a8 && !(a7 == 1)) && a17 == 1) && a12 == 8) && a21 == 1) && a16 == 6)) || (((((15 <= a8 && !(a7 == 1)) && a12 == 8) && a17 <= 0) && a21 == 1) && a16 == 6)) || (((((((a7 == 1 && a21 <= 0) && a16 == 4) && (((input == 2 || input == 4) || 5 == input) || input == 6)) && a8 == 13) && a17 == 1) && a12 == 8) && a20 <= 0) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. SAFE Result, 31.9s OverallTime, 13 OverallIterations, 6 TraceHistogramMax, 22.4s AutomataDifference, 0.0s DeadEndRemovalTime, 1.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1789 SDtfs, 4045 SDslu, 837 SDs, 0 SdLazy, 9257 SolverSat, 1540 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 547 GetRequests, 494 SyntacticMatches, 5 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3886occurred 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: 0.7s AutomataMinimizationTime, 13 MinimizatonAttempts, 1302 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 74 NumberOfFragments, 425 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4790 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 178 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 2695 NumberOfCodeBlocks, 2695 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2680 ConstructedInterpolants, 0 QuantifiedInterpolants, 1821835 SizeOfPredicates, 2 NumberOfNonLiveVariables, 856 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 2352/2384 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...