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_label51_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 14:51:38,972 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 14:51:38,974 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 14:51:38,987 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 14:51:38,987 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 14:51:38,988 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 14:51:38,990 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 14:51:38,992 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 14:51:38,994 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 14:51:38,995 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 14:51:38,996 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 14:51:38,996 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 14:51:38,997 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 14:51:38,998 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 14:51:39,000 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 14:51:39,000 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 14:51:39,001 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 14:51:39,003 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 14:51:39,006 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 14:51:39,008 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 14:51:39,009 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 14:51:39,010 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 14:51:39,013 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 14:51:39,013 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 14:51:39,013 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 14:51:39,015 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 14:51:39,016 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 14:51:39,017 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 14:51:39,017 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 14:51:39,019 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 14:51:39,019 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 14:51:39,022 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-24 14:51:39,026 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-24 14:51:39,044 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 14:51:39,044 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 14:51:39,045 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 14:51:39,045 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 14:51:39,046 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 14:51:39,046 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 14:51:39,046 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 14:51:39,047 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 14:51:39,047 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 14:51:39,047 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 14:51:39,047 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 14:51:39,048 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 14:51:39,048 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 14:51:39,048 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 14:51:39,048 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 14:51:39,048 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 14:51:39,049 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 14:51:39,049 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 14:51:39,049 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 14:51:39,049 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 14:51:39,049 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 14:51:39,049 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 14:51:39,050 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 14:51:39,050 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 14:51:39,050 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 14:51:39,050 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 14:51:39,050 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 14:51:39,051 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 14:51:39,096 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 14:51:39,110 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 14:51:39,114 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 14:51:39,115 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 14:51:39,116 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 14:51:39,117 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label51_true-unreach-call_false-termination.c [2018-10-24 14:51:39,179 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/89a940ecc/84ef6d8184af41378ea0df1983c4235d/FLAG561bb7190 [2018-10-24 14:51:39,814 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 14:51:39,815 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label51_true-unreach-call_false-termination.c [2018-10-24 14:51:39,830 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/89a940ecc/84ef6d8184af41378ea0df1983c4235d/FLAG561bb7190 [2018-10-24 14:51:39,849 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/89a940ecc/84ef6d8184af41378ea0df1983c4235d [2018-10-24 14:51:39,858 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 14:51:39,860 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 14:51:39,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 14:51:39,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 14:51:39,865 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 14:51:39,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:51:39" (1/1) ... [2018-10-24 14:51:39,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a216523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:51:39, skipping insertion in model container [2018-10-24 14:51:39,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:51:39" (1/1) ... [2018-10-24 14:51:39,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 14:51:39,941 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 14:51:40,412 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 14:51:40,417 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 14:51:40,515 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 14:51:40,533 INFO L193 MainTranslator]: Completed translation [2018-10-24 14:51:40,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:51:40 WrapperNode [2018-10-24 14:51:40,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 14:51:40,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 14:51:40,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 14:51:40,535 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 14:51:40,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:51:40" (1/1) ... [2018-10-24 14:51:40,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:51:40" (1/1) ... [2018-10-24 14:51:40,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 14:51:40,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 14:51:40,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 14:51:40,768 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 14:51:40,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:51:40" (1/1) ... [2018-10-24 14:51:40,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:51:40" (1/1) ... [2018-10-24 14:51:40,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:51:40" (1/1) ... [2018-10-24 14:51:40,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:51:40" (1/1) ... [2018-10-24 14:51:40,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:51:40" (1/1) ... [2018-10-24 14:51:40,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:51:40" (1/1) ... [2018-10-24 14:51:40,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:51:40" (1/1) ... [2018-10-24 14:51:40,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 14:51:40,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 14:51:40,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 14:51:40,864 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 14:51:40,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:51:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 14:51:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 14:51:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 14:51:40,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 14:51:43,834 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 14:51:43,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:51:43 BoogieIcfgContainer [2018-10-24 14:51:43,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 14:51:43,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 14:51:43,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 14:51:43,839 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 14:51:43,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:51:39" (1/3) ... [2018-10-24 14:51:43,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a923631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:51:43, skipping insertion in model container [2018-10-24 14:51:43,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:51:40" (2/3) ... [2018-10-24 14:51:43,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a923631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:51:43, skipping insertion in model container [2018-10-24 14:51:43,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:51:43" (3/3) ... [2018-10-24 14:51:43,843 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label51_true-unreach-call_false-termination.c [2018-10-24 14:51:43,853 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 14:51:43,863 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 14:51:43,880 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 14:51:43,916 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 14:51:43,916 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 14:51:43,917 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 14:51:43,917 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 14:51:43,917 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 14:51:43,917 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 14:51:43,918 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 14:51:43,918 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 14:51:43,918 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 14:51:43,941 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2018-10-24 14:51:43,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-24 14:51:43,954 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:51:43,955 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:51:43,957 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:51:43,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:51:43,964 INFO L82 PathProgramCache]: Analyzing trace with hash 558269655, now seen corresponding path program 1 times [2018-10-24 14:51:43,966 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:51:43,966 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:51:44,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:44,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:51:44,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:51:44,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:51:44,486 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:51:44,486 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-24 14:51:44,492 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 14:51:44,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 14:51:44,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:51:44,511 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2018-10-24 14:51:46,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:51:46,138 INFO L93 Difference]: Finished difference Result 531 states and 918 transitions. [2018-10-24 14:51:46,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:51:46,140 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2018-10-24 14:51:46,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:51:46,159 INFO L225 Difference]: With dead ends: 531 [2018-10-24 14:51:46,159 INFO L226 Difference]: Without dead ends: 328 [2018-10-24 14:51:46,164 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:51:46,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2018-10-24 14:51:46,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2018-10-24 14:51:46,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-10-24 14:51:46,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 533 transitions. [2018-10-24 14:51:46,245 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 533 transitions. Word has length 107 [2018-10-24 14:51:46,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:51:46,247 INFO L481 AbstractCegarLoop]: Abstraction has 328 states and 533 transitions. [2018-10-24 14:51:46,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 14:51:46,248 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 533 transitions. [2018-10-24 14:51:46,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-24 14:51:46,253 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:51:46,253 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:51:46,254 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:51:46,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:51:46,254 INFO L82 PathProgramCache]: Analyzing trace with hash -2470338, now seen corresponding path program 1 times [2018-10-24 14:51:46,254 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:51:46,254 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:51:46,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:46,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:51:46,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:51:46,352 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:51:46,353 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:51:46,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:51:46,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:51:46,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:51:46,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:51:46,356 INFO L87 Difference]: Start difference. First operand 328 states and 533 transitions. Second operand 4 states. [2018-10-24 14:51:47,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:51:47,729 INFO L93 Difference]: Finished difference Result 918 states and 1534 transitions. [2018-10-24 14:51:47,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:51:47,730 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 113 [2018-10-24 14:51:47,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:51:47,735 INFO L225 Difference]: With dead ends: 918 [2018-10-24 14:51:47,736 INFO L226 Difference]: Without dead ends: 592 [2018-10-24 14:51:47,738 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:51:47,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2018-10-24 14:51:47,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 592. [2018-10-24 14:51:47,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2018-10-24 14:51:47,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 895 transitions. [2018-10-24 14:51:47,771 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 895 transitions. Word has length 113 [2018-10-24 14:51:47,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:51:47,771 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 895 transitions. [2018-10-24 14:51:47,772 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:51:47,772 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 895 transitions. [2018-10-24 14:51:47,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-24 14:51:47,777 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:51:47,777 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:51:47,777 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:51:47,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:51:47,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1772789842, now seen corresponding path program 1 times [2018-10-24 14:51:47,778 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:51:47,778 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:51:47,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:47,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:51:47,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:51:47,906 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:51:47,907 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:51:47,907 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-24 14:51:47,908 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 14:51:47,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 14:51:47,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:51:47,909 INFO L87 Difference]: Start difference. First operand 592 states and 895 transitions. Second operand 3 states. [2018-10-24 14:51:48,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:51:48,701 INFO L93 Difference]: Finished difference Result 1314 states and 1999 transitions. [2018-10-24 14:51:48,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:51:48,703 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2018-10-24 14:51:48,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:51:48,708 INFO L225 Difference]: With dead ends: 1314 [2018-10-24 14:51:48,708 INFO L226 Difference]: Without dead ends: 724 [2018-10-24 14:51:48,710 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:51:48,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2018-10-24 14:51:48,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 724. [2018-10-24 14:51:48,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-10-24 14:51:48,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1076 transitions. [2018-10-24 14:51:48,742 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1076 transitions. Word has length 121 [2018-10-24 14:51:48,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:51:48,743 INFO L481 AbstractCegarLoop]: Abstraction has 724 states and 1076 transitions. [2018-10-24 14:51:48,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 14:51:48,743 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1076 transitions. [2018-10-24 14:51:48,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-24 14:51:48,750 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:51:48,750 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:51:48,750 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:51:48,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:51:48,751 INFO L82 PathProgramCache]: Analyzing trace with hash -53792509, now seen corresponding path program 1 times [2018-10-24 14:51:48,751 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:51:48,751 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:51:48,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:48,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:51:48,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:51:49,051 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-24 14:51:49,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:51:49,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:51:49,052 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:51:49,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:51:49,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:51:49,053 INFO L87 Difference]: Start difference. First operand 724 states and 1076 transitions. Second operand 4 states. [2018-10-24 14:51:52,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:51:52,650 INFO L93 Difference]: Finished difference Result 2634 states and 3965 transitions. [2018-10-24 14:51:52,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:51:52,651 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2018-10-24 14:51:52,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:51:52,662 INFO L225 Difference]: With dead ends: 2634 [2018-10-24 14:51:52,662 INFO L226 Difference]: Without dead ends: 1912 [2018-10-24 14:51:52,664 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:51:52,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states. [2018-10-24 14:51:52,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 1912. [2018-10-24 14:51:52,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1912 states. [2018-10-24 14:51:52,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 1912 states and 2634 transitions. [2018-10-24 14:51:52,702 INFO L78 Accepts]: Start accepts. Automaton has 1912 states and 2634 transitions. Word has length 131 [2018-10-24 14:51:52,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:51:52,703 INFO L481 AbstractCegarLoop]: Abstraction has 1912 states and 2634 transitions. [2018-10-24 14:51:52,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:51:52,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1912 states and 2634 transitions. [2018-10-24 14:51:52,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-24 14:51:52,707 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:51:52,707 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:51:52,708 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:51:52,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:51:52,708 INFO L82 PathProgramCache]: Analyzing trace with hash 154110546, now seen corresponding path program 1 times [2018-10-24 14:51:52,708 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:51:52,708 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:51:52,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:52,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:51:52,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:51:52,910 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-24 14:51:52,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:51:52,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:51:52,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:51:52,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:51:52,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:51:52,911 INFO L87 Difference]: Start difference. First operand 1912 states and 2634 transitions. Second operand 4 states. [2018-10-24 14:51:53,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:51:53,926 INFO L93 Difference]: Finished difference Result 4141 states and 5654 transitions. [2018-10-24 14:51:53,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-24 14:51:53,926 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 137 [2018-10-24 14:51:53,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:51:53,937 INFO L225 Difference]: With dead ends: 4141 [2018-10-24 14:51:53,937 INFO L226 Difference]: Without dead ends: 2231 [2018-10-24 14:51:53,940 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-24 14:51:53,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2018-10-24 14:51:53,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2171. [2018-10-24 14:51:53,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2171 states. [2018-10-24 14:51:53,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 2171 states and 2921 transitions. [2018-10-24 14:51:53,986 INFO L78 Accepts]: Start accepts. Automaton has 2171 states and 2921 transitions. Word has length 137 [2018-10-24 14:51:53,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:51:53,986 INFO L481 AbstractCegarLoop]: Abstraction has 2171 states and 2921 transitions. [2018-10-24 14:51:53,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:51:53,986 INFO L276 IsEmpty]: Start isEmpty. Operand 2171 states and 2921 transitions. [2018-10-24 14:51:53,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-24 14:51:53,991 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:51:53,991 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:51:53,992 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:51:53,992 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:51:53,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1112001030, now seen corresponding path program 1 times [2018-10-24 14:51:53,992 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:51:53,992 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:51:53,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:53,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:51:53,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:51:54,232 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-24 14:51:54,233 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:51:54,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:51:54,233 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:51:54,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:51:54,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:51:54,234 INFO L87 Difference]: Start difference. First operand 2171 states and 2921 transitions. Second operand 4 states. [2018-10-24 14:51:55,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:51:55,427 INFO L93 Difference]: Finished difference Result 4340 states and 5840 transitions. [2018-10-24 14:51:55,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:51:55,428 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2018-10-24 14:51:55,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:51:55,439 INFO L225 Difference]: With dead ends: 4340 [2018-10-24 14:51:55,439 INFO L226 Difference]: Without dead ends: 2171 [2018-10-24 14:51:55,442 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:51:55,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2171 states. [2018-10-24 14:51:55,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2171 to 2171. [2018-10-24 14:51:55,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2171 states. [2018-10-24 14:51:55,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 2171 states and 2897 transitions. [2018-10-24 14:51:55,480 INFO L78 Accepts]: Start accepts. Automaton has 2171 states and 2897 transitions. Word has length 142 [2018-10-24 14:51:55,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:51:55,481 INFO L481 AbstractCegarLoop]: Abstraction has 2171 states and 2897 transitions. [2018-10-24 14:51:55,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:51:55,481 INFO L276 IsEmpty]: Start isEmpty. Operand 2171 states and 2897 transitions. [2018-10-24 14:51:55,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-24 14:51:55,486 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:51:55,486 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:51:55,486 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:51:55,487 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:51:55,487 INFO L82 PathProgramCache]: Analyzing trace with hash -337482434, now seen corresponding path program 1 times [2018-10-24 14:51:55,487 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:51:55,487 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:51:55,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:55,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:51:55,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:51:55,589 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-24 14:51:55,589 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:51:55,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:51:55,590 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 14:51:55,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 14:51:55,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:51:55,591 INFO L87 Difference]: Start difference. First operand 2171 states and 2897 transitions. Second operand 3 states. [2018-10-24 14:51:56,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:51:56,508 INFO L93 Difference]: Finished difference Result 5911 states and 7850 transitions. [2018-10-24 14:51:56,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:51:56,509 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2018-10-24 14:51:56,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:51:56,521 INFO L225 Difference]: With dead ends: 5911 [2018-10-24 14:51:56,521 INFO L226 Difference]: Without dead ends: 2548 [2018-10-24 14:51:56,526 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:51:56,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2548 states. [2018-10-24 14:51:56,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2548 to 2548. [2018-10-24 14:51:56,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2548 states. [2018-10-24 14:51:56,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2548 states to 2548 states and 2960 transitions. [2018-10-24 14:51:56,568 INFO L78 Accepts]: Start accepts. Automaton has 2548 states and 2960 transitions. Word has length 145 [2018-10-24 14:51:56,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:51:56,568 INFO L481 AbstractCegarLoop]: Abstraction has 2548 states and 2960 transitions. [2018-10-24 14:51:56,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 14:51:56,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2548 states and 2960 transitions. [2018-10-24 14:51:56,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-24 14:51:56,573 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:51:56,574 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:51:56,574 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:51:56,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:51:56,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1878812105, now seen corresponding path program 1 times [2018-10-24 14:51:56,575 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:51:56,575 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:51:56,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:56,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:51:56,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:51:57,073 WARN L179 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 7 [2018-10-24 14:51:57,106 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:51:57,106 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:51:57,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 14:51:57,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 14:51:57,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 14:51:57,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 14:51:57,108 INFO L87 Difference]: Start difference. First operand 2548 states and 2960 transitions. Second operand 5 states. [2018-10-24 14:52:01,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:52:01,174 INFO L93 Difference]: Finished difference Result 7609 states and 8959 transitions. [2018-10-24 14:52:01,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-24 14:52:01,175 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159 [2018-10-24 14:52:01,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:52:01,192 INFO L225 Difference]: With dead ends: 7609 [2018-10-24 14:52:01,192 INFO L226 Difference]: Without dead ends: 4663 [2018-10-24 14:52:01,196 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 14:52:01,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4663 states. [2018-10-24 14:52:01,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4663 to 3730. [2018-10-24 14:52:01,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3730 states. [2018-10-24 14:52:01,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3730 states to 3730 states and 4199 transitions. [2018-10-24 14:52:01,261 INFO L78 Accepts]: Start accepts. Automaton has 3730 states and 4199 transitions. Word has length 159 [2018-10-24 14:52:01,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:52:01,262 INFO L481 AbstractCegarLoop]: Abstraction has 3730 states and 4199 transitions. [2018-10-24 14:52:01,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 14:52:01,262 INFO L276 IsEmpty]: Start isEmpty. Operand 3730 states and 4199 transitions. [2018-10-24 14:52:01,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-24 14:52:01,268 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:52:01,268 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-24 14:52:01,269 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:52:01,269 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:52:01,269 INFO L82 PathProgramCache]: Analyzing trace with hash 242524652, now seen corresponding path program 1 times [2018-10-24 14:52:01,269 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:52:01,269 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:52:01,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:52:01,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:52:01,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:52:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:52:01,715 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2018-10-24 14:52:01,740 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-24 14:52:01,740 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:52:01,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 14:52:01,741 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:52:01,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:52:01,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:52:01,742 INFO L87 Difference]: Start difference. First operand 3730 states and 4199 transitions. Second operand 4 states. [2018-10-24 14:52:02,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:52:02,904 INFO L93 Difference]: Finished difference Result 7859 states and 8918 transitions. [2018-10-24 14:52:02,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:52:02,905 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 189 [2018-10-24 14:52:02,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:52:02,916 INFO L225 Difference]: With dead ends: 7859 [2018-10-24 14:52:02,916 INFO L226 Difference]: Without dead ends: 3997 [2018-10-24 14:52:02,921 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:52:02,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3997 states. [2018-10-24 14:52:02,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3997 to 3997. [2018-10-24 14:52:02,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3997 states. [2018-10-24 14:52:02,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3997 states to 3997 states and 4345 transitions. [2018-10-24 14:52:02,981 INFO L78 Accepts]: Start accepts. Automaton has 3997 states and 4345 transitions. Word has length 189 [2018-10-24 14:52:02,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:52:02,982 INFO L481 AbstractCegarLoop]: Abstraction has 3997 states and 4345 transitions. [2018-10-24 14:52:02,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:52:02,982 INFO L276 IsEmpty]: Start isEmpty. Operand 3997 states and 4345 transitions. [2018-10-24 14:52:02,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-24 14:52:02,989 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:52:02,989 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-24 14:52:02,989 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:52:02,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:52:02,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1917707251, now seen corresponding path program 1 times [2018-10-24 14:52:02,990 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:52:02,990 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:52:02,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:52:02,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:52:02,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:52:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:52:03,311 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-24 14:52:03,682 WARN L179 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-10-24 14:52:03,798 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 6 proven. 114 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-24 14:52:03,798 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 14:52:03,798 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 14:52:03,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:52:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:52:03,908 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 14:52:04,126 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-10-24 14:52:04,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 14:52:04,160 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2018-10-24 14:52:04,160 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-24 14:52:04,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-24 14:52:04,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-10-24 14:52:04,161 INFO L87 Difference]: Start difference. First operand 3997 states and 4345 transitions. Second operand 9 states. [2018-10-24 14:52:10,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:52:10,444 INFO L93 Difference]: Finished difference Result 7589 states and 8269 transitions. [2018-10-24 14:52:10,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-24 14:52:10,445 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 214 [2018-10-24 14:52:10,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:52:10,446 INFO L225 Difference]: With dead ends: 7589 [2018-10-24 14:52:10,446 INFO L226 Difference]: Without dead ends: 0 [2018-10-24 14:52:10,452 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 221 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2018-10-24 14:52:10,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-24 14:52:10,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-24 14:52:10,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-24 14:52:10,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-24 14:52:10,453 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 214 [2018-10-24 14:52:10,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:52:10,453 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-24 14:52:10,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-24 14:52:10,453 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-24 14:52:10,454 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-24 14:52:10,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-24 14:52:11,908 WARN L179 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2018-10-24 14:52:12,800 WARN L179 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 51 [2018-10-24 14:52:12,810 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-10-24 14:52:12,811 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-10-24 14:52:12,811 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,811 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,811 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,811 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,811 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,811 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,811 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-10-24 14:52:12,812 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-10-24 14:52:12,812 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-10-24 14:52:12,812 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-10-24 14:52:12,812 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-10-24 14:52:12,812 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-10-24 14:52:12,812 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-10-24 14:52:12,812 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-10-24 14:52:12,812 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-10-24 14:52:12,812 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-10-24 14:52:12,812 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,812 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,813 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,813 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,813 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,813 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,813 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-10-24 14:52:12,813 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-10-24 14:52:12,813 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-10-24 14:52:12,813 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-10-24 14:52:12,814 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-10-24 14:52:12,814 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-10-24 14:52:12,814 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-10-24 14:52:12,814 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-10-24 14:52:12,814 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-10-24 14:52:12,814 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-10-24 14:52:12,814 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-10-24 14:52:12,814 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-10-24 14:52:12,814 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-10-24 14:52:12,815 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-10-24 14:52:12,815 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-10-24 14:52:12,815 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,815 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,815 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,815 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,815 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,815 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-10-24 14:52:12,815 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-10-24 14:52:12,816 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-10-24 14:52:12,816 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-10-24 14:52:12,816 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-10-24 14:52:12,816 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-10-24 14:52:12,816 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-10-24 14:52:12,816 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-10-24 14:52:12,816 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-10-24 14:52:12,817 INFO L421 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse0 (= ~a17~0 1))) (let ((.cse5 (= ~a12~0 8)) (.cse3 (not (= 5 ~a16~0))) (.cse9 (not .cse0)) (.cse6 (<= ~a20~0 0)) (.cse1 (= ~a21~0 1)) (.cse8 (= ~a16~0 4)) (.cse10 (= ~a16~0 5)) (.cse4 (= ~a8~0 15)) (.cse7 (= ~a7~0 1)) (.cse11 (<= ~a17~0 0)) (.cse2 (= ~a20~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse6) (and .cse7 .cse8 .cse0) (and .cse9 .cse6 .cse10) (and (not (= 1 ULTIMATE.start_calculate_output_~input)) .cse4 .cse0 .cse5 .cse1 .cse2) (and .cse3 (and .cse4 .cse2 .cse9)) (and .cse7 .cse4 (not (= ~a16~0 6)) .cse9) (and .cse4 .cse3 .cse6) (and .cse8 .cse9 .cse6) (and .cse8 .cse11 .cse2) (and .cse7 .cse0 .cse1) (and .cse7 .cse4 .cse10) (and (and .cse7 .cse2) .cse8) (and .cse7 .cse2 .cse10) (and .cse4 .cse11 .cse2) (and .cse7 .cse11 .cse2)))) [2018-10-24 14:52:12,817 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,817 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,817 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,818 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,818 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,818 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-10-24 14:52:12,818 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-10-24 14:52:12,818 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-10-24 14:52:12,818 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-10-24 14:52:12,818 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-10-24 14:52:12,818 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-10-24 14:52:12,818 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-10-24 14:52:12,818 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-10-24 14:52:12,819 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-10-24 14:52:12,819 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-10-24 14:52:12,819 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-10-24 14:52:12,819 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-10-24 14:52:12,819 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-10-24 14:52:12,819 INFO L428 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2018-10-24 14:52:12,819 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,819 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,819 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,819 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,819 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,819 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-10-24 14:52:12,819 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-10-24 14:52:12,819 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-10-24 14:52:12,820 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-10-24 14:52:12,820 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-10-24 14:52:12,820 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-10-24 14:52:12,820 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-10-24 14:52:12,820 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-10-24 14:52:12,820 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-10-24 14:52:12,820 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,820 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,820 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,820 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,820 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,820 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-10-24 14:52:12,820 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-10-24 14:52:12,821 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-10-24 14:52:12,821 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-10-24 14:52:12,821 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-10-24 14:52:12,821 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-10-24 14:52:12,821 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-10-24 14:52:12,821 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-10-24 14:52:12,821 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-24 14:52:12,821 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-10-24 14:52:12,821 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-10-24 14:52:12,821 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-10-24 14:52:12,821 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 494) no Hoare annotation was computed. [2018-10-24 14:52:12,821 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-10-24 14:52:12,822 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-10-24 14:52:12,822 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-10-24 14:52:12,822 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-10-24 14:52:12,822 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,822 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,822 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,822 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (= ~a17~0 1))) (let ((.cse9 (not .cse0)) (.cse3 (not (= 5 ~a16~0))) (.cse6 (<= ~a20~0 0)) (.cse5 (= ~a12~0 8)) (.cse1 (= ~a21~0 1)) (.cse8 (= ~a16~0 4)) (.cse10 (= ~a16~0 5)) (.cse4 (= ~a8~0 15)) (.cse7 (= ~a7~0 1)) (.cse11 (<= ~a17~0 0)) (.cse2 (= ~a20~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse6) (and .cse7 .cse8 .cse0) (and .cse9 .cse6 .cse10) (and .cse3 (and .cse4 .cse2 .cse9)) (and .cse7 .cse4 (not (= ~a16~0 6)) .cse9) (and .cse8 .cse9 .cse6) (and .cse4 .cse3 .cse6) (and .cse8 .cse11 .cse2) (and .cse7 .cse0 .cse1) (and .cse4 .cse5 .cse0 .cse1 .cse2) (and .cse7 .cse4 .cse10) (and (and .cse7 .cse2) .cse8) (and .cse7 .cse2 .cse10) (and .cse4 .cse11 .cse2) (and .cse7 .cse11 .cse2)))) [2018-10-24 14:52:12,822 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,822 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,822 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-10-24 14:52:12,823 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-10-24 14:52:12,823 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-10-24 14:52:12,823 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-10-24 14:52:12,823 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-10-24 14:52:12,823 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-10-24 14:52:12,823 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-10-24 14:52:12,823 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-10-24 14:52:12,823 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,823 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,823 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,823 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,824 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,824 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-10-24 14:52:12,824 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-24 14:52:12,824 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-10-24 14:52:12,824 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-10-24 14:52:12,824 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-10-24 14:52:12,824 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-10-24 14:52:12,824 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-10-24 14:52:12,824 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-10-24 14:52:12,825 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-10-24 14:52:12,825 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-10-24 14:52:12,825 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-10-24 14:52:12,825 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-10-24 14:52:12,825 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-10-24 14:52:12,825 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,825 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,825 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,826 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,826 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,826 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-10-24 14:52:12,826 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,826 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-10-24 14:52:12,826 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-10-24 14:52:12,826 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-24 14:52:12,826 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-10-24 14:52:12,826 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-10-24 14:52:12,826 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-10-24 14:52:12,826 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-10-24 14:52:12,826 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-10-24 14:52:12,827 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-10-24 14:52:12,827 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-10-24 14:52:12,827 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-10-24 14:52:12,827 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-10-24 14:52:12,827 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-10-24 14:52:12,827 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,827 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,827 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,827 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,827 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,827 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,827 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-10-24 14:52:12,827 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-10-24 14:52:12,828 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-10-24 14:52:12,828 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-10-24 14:52:12,828 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-10-24 14:52:12,828 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-10-24 14:52:12,828 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-10-24 14:52:12,828 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-10-24 14:52:12,828 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-10-24 14:52:12,828 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-10-24 14:52:12,828 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-10-24 14:52:12,828 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-10-24 14:52:12,828 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-24 14:52:12,828 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-10-24 14:52:12,828 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-10-24 14:52:12,828 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-10-24 14:52:12,828 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,829 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,829 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,829 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,829 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,829 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:52:12,829 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-10-24 14:52:12,829 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-10-24 14:52:12,829 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-10-24 14:52:12,829 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-10-24 14:52:12,829 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-10-24 14:52:12,829 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-10-24 14:52:12,830 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-10-24 14:52:12,830 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-10-24 14:52:12,830 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-10-24 14:52:12,830 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-10-24 14:52:12,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 02:52:12 BoogieIcfgContainer [2018-10-24 14:52:12,855 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 14:52:12,856 INFO L168 Benchmark]: Toolchain (without parser) took 32996.90 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -803.6 MB). Peak memory consumption was 309.4 MB. Max. memory is 7.1 GB. [2018-10-24 14:52:12,857 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 14:52:12,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.89 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-24 14:52:12,858 INFO L168 Benchmark]: Boogie Procedure Inliner took 232.04 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 761.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -835.7 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-10-24 14:52:12,860 INFO L168 Benchmark]: Boogie Preprocessor took 95.89 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 14:52:12,860 INFO L168 Benchmark]: RCFGBuilder took 2971.34 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 121.7 MB). Peak memory consumption was 121.7 MB. Max. memory is 7.1 GB. [2018-10-24 14:52:12,861 INFO L168 Benchmark]: TraceAbstraction took 29019.17 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 351.8 MB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -121.3 MB). Peak memory consumption was 230.5 MB. Max. memory is 7.1 GB. [2018-10-24 14:52:12,866 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 673.89 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 232.04 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 761.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -835.7 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.89 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 2971.34 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 121.7 MB). Peak memory consumption was 121.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29019.17 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 351.8 MB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -121.3 MB). Peak memory consumption was 230.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 494]: 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: (((((((((((((((((a17 == 1 && a21 == 1) && a20 == 1) && !(5 == a16)) || (((a8 == 15 && a12 == 8) && a21 == 1) && a20 <= 0)) || ((a7 == 1 && a16 == 4) && a17 == 1)) || ((!(a17 == 1) && a20 <= 0) && a16 == 5)) || (!(5 == a16) && (a8 == 15 && a20 == 1) && !(a17 == 1))) || (((a7 == 1 && a8 == 15) && !(a16 == 6)) && !(a17 == 1))) || ((a16 == 4 && !(a17 == 1)) && a20 <= 0)) || ((a8 == 15 && !(5 == a16)) && a20 <= 0)) || ((a16 == 4 && a17 <= 0) && a20 == 1)) || ((a7 == 1 && a17 == 1) && a21 == 1)) || ((((a8 == 15 && a12 == 8) && a17 == 1) && a21 == 1) && a20 == 1)) || ((a7 == 1 && a8 == 15) && a16 == 5)) || ((a7 == 1 && a20 == 1) && a16 == 4)) || ((a7 == 1 && a20 == 1) && a16 == 5)) || ((a8 == 15 && a17 <= 0) && a20 == 1)) || ((a7 == 1 && a17 <= 0) && a20 == 1) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((((((((((a17 == 1 && a21 == 1) && a20 == 1) && !(5 == a16)) || (((a8 == 15 && a12 == 8) && a21 == 1) && a20 <= 0)) || ((a7 == 1 && a16 == 4) && a17 == 1)) || ((!(a17 == 1) && a20 <= 0) && a16 == 5)) || (((((!(1 == input) && a8 == 15) && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1)) || (!(5 == a16) && (a8 == 15 && a20 == 1) && !(a17 == 1))) || (((a7 == 1 && a8 == 15) && !(a16 == 6)) && !(a17 == 1))) || ((a8 == 15 && !(5 == a16)) && a20 <= 0)) || ((a16 == 4 && !(a17 == 1)) && a20 <= 0)) || ((a16 == 4 && a17 <= 0) && a20 == 1)) || ((a7 == 1 && a17 == 1) && a21 == 1)) || ((a7 == 1 && a8 == 15) && a16 == 5)) || ((a7 == 1 && a20 == 1) && a16 == 4)) || ((a7 == 1 && a20 == 1) && a16 == 5)) || ((a8 == 15 && a17 <= 0) && a20 == 1)) || ((a7 == 1 && a17 <= 0) && a20 == 1) - 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, 28.9s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 22.1s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1511 SDtfs, 3742 SDslu, 797 SDs, 0 SdLazy, 9775 SolverSat, 1349 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 270 GetRequests, 232 SyntacticMatches, 7 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3997occurred in iteration=9, 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: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 993 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 89 NumberOfFragments, 383 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1635 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 538 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1672 NumberOfCodeBlocks, 1672 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1661 ConstructedInterpolants, 0 QuantifiedInterpolants, 641758 SizeOfPredicates, 1 NumberOfNonLiveVariables, 356 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 622/736 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...