java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label23_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 13:56:14,307 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 13:56:14,309 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 13:56:14,324 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 13:56:14,324 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 13:56:14,325 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 13:56:14,327 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 13:56:14,328 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 13:56:14,330 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 13:56:14,331 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 13:56:14,332 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 13:56:14,332 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 13:56:14,333 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 13:56:14,334 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 13:56:14,335 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 13:56:14,336 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 13:56:14,337 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 13:56:14,338 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 13:56:14,340 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 13:56:14,342 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 13:56:14,343 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 13:56:14,344 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 13:56:14,348 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 13:56:14,348 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 13:56:14,348 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 13:56:14,349 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 13:56:14,351 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 13:56:14,352 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 13:56:14,352 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 13:56:14,354 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 13:56:14,354 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 13:56:14,355 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 13:56:14,355 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 13:56:14,355 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 13:56:14,356 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 13:56:14,357 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 13:56:14,357 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-07-24 13:56:14,377 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 13:56:14,377 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 13:56:14,378 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 13:56:14,378 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 13:56:14,378 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 13:56:14,379 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 13:56:14,379 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 13:56:14,379 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 13:56:14,379 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 13:56:14,380 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 13:56:14,380 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 13:56:14,380 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 13:56:14,381 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 13:56:14,381 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 13:56:14,381 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 13:56:14,381 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 13:56:14,381 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 13:56:14,382 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 13:56:14,382 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 13:56:14,382 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 13:56:14,382 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 13:56:14,383 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 13:56:14,383 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 13:56:14,383 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 13:56:14,383 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 13:56:14,383 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 13:56:14,384 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 13:56:14,384 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 13:56:14,384 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 13:56:14,384 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 13:56:14,384 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 13:56:14,384 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 13:56:14,385 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 13:56:14,433 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 13:56:14,448 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 13:56:14,452 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 13:56:14,453 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 13:56:14,454 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 13:56:14,454 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label23_true-unreach-call.c [2018-07-24 13:56:14,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7543fb860/4f7d8e9a735a4fb28d4dc543b8552078/FLAGfa59f696f [2018-07-24 13:56:15,105 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 13:56:15,105 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label23_true-unreach-call.c [2018-07-24 13:56:15,134 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7543fb860/4f7d8e9a735a4fb28d4dc543b8552078/FLAGfa59f696f [2018-07-24 13:56:15,155 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7543fb860/4f7d8e9a735a4fb28d4dc543b8552078 [2018-07-24 13:56:15,165 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 13:56:15,166 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 13:56:15,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 13:56:15,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 13:56:15,174 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 13:56:15,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 01:56:15" (1/1) ... [2018-07-24 13:56:15,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b1d126a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 01:56:15, skipping insertion in model container [2018-07-24 13:56:15,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 01:56:15" (1/1) ... [2018-07-24 13:56:15,403 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 13:56:15,670 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 13:56:15,686 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 13:56:15,832 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 13:56:15,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 01:56:15 WrapperNode [2018-07-24 13:56:15,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 13:56:15,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 13:56:15,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 13:56:15,904 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 13:56:15,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 01:56:15" (1/1) ... [2018-07-24 13:56:15,939 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 01:56:15" (1/1) ... [2018-07-24 13:56:15,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 13:56:15,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 13:56:15,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 13:56:15,994 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 13:56:16,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 01:56:15" (1/1) ... [2018-07-24 13:56:16,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 01:56:15" (1/1) ... [2018-07-24 13:56:16,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 01:56:15" (1/1) ... [2018-07-24 13:56:16,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 01:56:15" (1/1) ... [2018-07-24 13:56:16,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 01:56:15" (1/1) ... [2018-07-24 13:56:16,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 01:56:15" (1/1) ... [2018-07-24 13:56:16,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 01:56:15" (1/1) ... [2018-07-24 13:56:16,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 13:56:16,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 13:56:16,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 13:56:16,256 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 13:56:16,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 01:56:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-07-24 13:56:16,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 13:56:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 13:56:16,333 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-24 13:56:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-24 13:56:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 13:56:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 13:56:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 13:56:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 13:56:19,966 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 13:56:19,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 01:56:19 BoogieIcfgContainer [2018-07-24 13:56:19,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 13:56:19,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 13:56:19,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 13:56:19,972 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 13:56:19,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 01:56:15" (1/3) ... [2018-07-24 13:56:19,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4daa9ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 01:56:19, skipping insertion in model container [2018-07-24 13:56:19,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 01:56:15" (2/3) ... [2018-07-24 13:56:19,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4daa9ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 01:56:19, skipping insertion in model container [2018-07-24 13:56:19,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 01:56:19" (3/3) ... [2018-07-24 13:56:19,976 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label23_true-unreach-call.c [2018-07-24 13:56:19,994 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 13:56:20,007 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 13:56:20,077 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 13:56:20,078 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 13:56:20,078 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 13:56:20,078 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 13:56:20,079 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 13:56:20,079 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 13:56:20,079 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 13:56:20,079 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 13:56:20,079 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 13:56:20,118 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-07-24 13:56:20,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-07-24 13:56:20,138 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 13:56:20,139 INFO L353 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] [2018-07-24 13:56:20,140 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 13:56:20,147 INFO L82 PathProgramCache]: Analyzing trace with hash 508483465, now seen corresponding path program 1 times [2018-07-24 13:56:20,150 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 13:56:20,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:56:20,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:56:20,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:56:20,204 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 13:56:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:56:20,642 WARN L169 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 13:56:20,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 13:56:20,745 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 13:56:20,745 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 13:56:20,746 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 13:56:20,752 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 13:56:20,768 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 13:56:20,769 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 13:56:20,771 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-07-24 13:56:22,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 13:56:22,794 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-07-24 13:56:22,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 13:56:22,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-07-24 13:56:22,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 13:56:22,826 INFO L225 Difference]: With dead ends: 574 [2018-07-24 13:56:22,827 INFO L226 Difference]: Without dead ends: 356 [2018-07-24 13:56:22,835 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 13:56:22,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-07-24 13:56:22,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-07-24 13:56:22,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-07-24 13:56:22,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-07-24 13:56:22,935 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 53 [2018-07-24 13:56:22,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 13:56:22,935 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-07-24 13:56:22,936 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 13:56:22,936 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-07-24 13:56:22,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-07-24 13:56:22,951 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 13:56:22,951 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 13:56:22,953 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 13:56:22,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1327667053, now seen corresponding path program 1 times [2018-07-24 13:56:22,953 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 13:56:22,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:56:22,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:56:22,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:56:22,956 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 13:56:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:56:23,403 WARN L169 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 13:56:23,558 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 13:56:23,559 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 13:56:23,559 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 13:56:23,559 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 13:56:23,561 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 13:56:23,562 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 13:56:23,562 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 13:56:23,562 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 6 states. [2018-07-24 13:56:26,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 13:56:26,179 INFO L93 Difference]: Finished difference Result 998 states and 1753 transitions. [2018-07-24 13:56:26,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 13:56:26,183 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-07-24 13:56:26,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 13:56:26,190 INFO L225 Difference]: With dead ends: 998 [2018-07-24 13:56:26,190 INFO L226 Difference]: Without dead ends: 648 [2018-07-24 13:56:26,194 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-24 13:56:26,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2018-07-24 13:56:26,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 639. [2018-07-24 13:56:26,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2018-07-24 13:56:26,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 994 transitions. [2018-07-24 13:56:26,238 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 994 transitions. Word has length 136 [2018-07-24 13:56:26,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 13:56:26,239 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 994 transitions. [2018-07-24 13:56:26,239 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 13:56:26,239 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 994 transitions. [2018-07-24 13:56:26,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-07-24 13:56:26,244 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 13:56:26,245 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 13:56:26,245 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 13:56:26,245 INFO L82 PathProgramCache]: Analyzing trace with hash -734844493, now seen corresponding path program 1 times [2018-07-24 13:56:26,245 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 13:56:26,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:56:26,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:56:26,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:56:26,247 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 13:56:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:56:26,561 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 13:56:26,562 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 13:56:26,562 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 13:56:26,562 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 13:56:26,563 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 13:56:26,563 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 13:56:26,563 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 13:56:26,564 INFO L87 Difference]: Start difference. First operand 639 states and 994 transitions. Second operand 6 states. [2018-07-24 13:56:30,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 13:56:30,437 INFO L93 Difference]: Finished difference Result 1567 states and 2516 transitions. [2018-07-24 13:56:30,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 13:56:30,438 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 152 [2018-07-24 13:56:30,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 13:56:30,449 INFO L225 Difference]: With dead ends: 1567 [2018-07-24 13:56:30,449 INFO L226 Difference]: Without dead ends: 934 [2018-07-24 13:56:30,453 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-24 13:56:30,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2018-07-24 13:56:30,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 918. [2018-07-24 13:56:30,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 918 states. [2018-07-24 13:56:30,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1356 transitions. [2018-07-24 13:56:30,511 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1356 transitions. Word has length 152 [2018-07-24 13:56:30,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 13:56:30,511 INFO L471 AbstractCegarLoop]: Abstraction has 918 states and 1356 transitions. [2018-07-24 13:56:30,512 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 13:56:30,512 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1356 transitions. [2018-07-24 13:56:30,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-07-24 13:56:30,520 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 13:56:30,520 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 13:56:30,520 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 13:56:30,521 INFO L82 PathProgramCache]: Analyzing trace with hash 565573439, now seen corresponding path program 1 times [2018-07-24 13:56:30,521 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 13:56:30,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:56:30,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:56:30,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:56:30,522 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 13:56:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:56:30,871 WARN L169 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 13:56:31,261 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 13:56:31,262 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 13:56:31,262 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 13:56:31,262 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 13:56:31,263 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 13:56:31,263 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 13:56:31,263 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 13:56:31,263 INFO L87 Difference]: Start difference. First operand 918 states and 1356 transitions. Second operand 6 states. [2018-07-24 13:56:34,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 13:56:34,745 INFO L93 Difference]: Finished difference Result 2394 states and 3682 transitions. [2018-07-24 13:56:34,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 13:56:34,747 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2018-07-24 13:56:34,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 13:56:34,760 INFO L225 Difference]: With dead ends: 2394 [2018-07-24 13:56:34,760 INFO L226 Difference]: Without dead ends: 1482 [2018-07-24 13:56:34,765 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-24 13:56:34,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2018-07-24 13:56:34,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1460. [2018-07-24 13:56:34,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1460 states. [2018-07-24 13:56:34,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1460 states and 2048 transitions. [2018-07-24 13:56:34,818 INFO L78 Accepts]: Start accepts. Automaton has 1460 states and 2048 transitions. Word has length 174 [2018-07-24 13:56:34,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 13:56:34,819 INFO L471 AbstractCegarLoop]: Abstraction has 1460 states and 2048 transitions. [2018-07-24 13:56:34,819 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 13:56:34,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 2048 transitions. [2018-07-24 13:56:34,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-07-24 13:56:34,825 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 13:56:34,825 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 13:56:34,826 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 13:56:34,826 INFO L82 PathProgramCache]: Analyzing trace with hash -829584541, now seen corresponding path program 1 times [2018-07-24 13:56:34,826 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 13:56:34,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:56:34,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:56:34,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:56:34,827 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 13:56:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:56:35,082 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 13:56:35,083 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 13:56:35,083 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 13:56:35,083 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 13:56:35,083 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 13:56:35,084 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 13:56:35,084 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 13:56:35,084 INFO L87 Difference]: Start difference. First operand 1460 states and 2048 transitions. Second operand 6 states. [2018-07-24 13:56:36,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 13:56:36,581 INFO L93 Difference]: Finished difference Result 3258 states and 4710 transitions. [2018-07-24 13:56:36,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 13:56:36,582 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2018-07-24 13:56:36,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 13:56:36,598 INFO L225 Difference]: With dead ends: 3258 [2018-07-24 13:56:36,598 INFO L226 Difference]: Without dead ends: 1804 [2018-07-24 13:56:36,604 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-24 13:56:36,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1804 states. [2018-07-24 13:56:36,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1804 to 1766. [2018-07-24 13:56:36,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1766 states. [2018-07-24 13:56:36,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1766 states to 1766 states and 2376 transitions. [2018-07-24 13:56:36,676 INFO L78 Accepts]: Start accepts. Automaton has 1766 states and 2376 transitions. Word has length 176 [2018-07-24 13:56:36,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 13:56:36,677 INFO L471 AbstractCegarLoop]: Abstraction has 1766 states and 2376 transitions. [2018-07-24 13:56:36,677 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 13:56:36,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 2376 transitions. [2018-07-24 13:56:36,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-07-24 13:56:36,685 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 13:56:36,686 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 13:56:36,686 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 13:56:36,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1366596424, now seen corresponding path program 1 times [2018-07-24 13:56:36,687 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 13:56:36,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:56:36,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:56:36,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:56:36,688 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 13:56:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:56:37,257 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 92 proven. 78 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 13:56:37,258 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 13:56:37,258 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-07-24 13:56:37,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:56:37,276 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 13:56:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:56:37,424 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 13:56:37,855 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-07-24 13:56:37,856 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 13:56:38,061 WARN L169 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-07-24 13:56:38,226 WARN L169 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-07-24 13:56:38,507 WARN L169 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 18 [2018-07-24 13:56:38,789 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 92 proven. 78 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 13:56:38,811 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-07-24 13:56:38,811 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 8 [2018-07-24 13:56:38,811 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 13:56:38,812 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 13:56:38,813 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 13:56:38,813 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-24 13:56:38,813 INFO L87 Difference]: Start difference. First operand 1766 states and 2376 transitions. Second operand 5 states. [2018-07-24 13:56:41,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 13:56:41,603 INFO L93 Difference]: Finished difference Result 4440 states and 5970 transitions. [2018-07-24 13:56:41,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 13:56:41,609 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 224 [2018-07-24 13:56:41,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 13:56:41,623 INFO L225 Difference]: With dead ends: 4440 [2018-07-24 13:56:41,623 INFO L226 Difference]: Without dead ends: 2680 [2018-07-24 13:56:41,631 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 445 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-07-24 13:56:41,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2680 states. [2018-07-24 13:56:41,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2680 to 2598. [2018-07-24 13:56:41,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2598 states. [2018-07-24 13:56:41,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2598 states to 2598 states and 3341 transitions. [2018-07-24 13:56:41,702 INFO L78 Accepts]: Start accepts. Automaton has 2598 states and 3341 transitions. Word has length 224 [2018-07-24 13:56:41,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 13:56:41,703 INFO L471 AbstractCegarLoop]: Abstraction has 2598 states and 3341 transitions. [2018-07-24 13:56:41,703 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 13:56:41,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2598 states and 3341 transitions. [2018-07-24 13:56:41,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-07-24 13:56:41,717 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 13:56:41,718 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 13:56:41,718 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 13:56:41,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1240790714, now seen corresponding path program 1 times [2018-07-24 13:56:41,718 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 13:56:41,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:56:41,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:56:41,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:56:41,726 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 13:56:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:56:42,279 WARN L169 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-07-24 13:56:42,557 WARN L169 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 20 [2018-07-24 13:56:43,218 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 212 proven. 82 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-07-24 13:56:43,218 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 13:56:43,218 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 13:56:43,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:56:43,226 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 13:56:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:56:43,333 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 13:56:43,518 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 314 proven. 2 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-07-24 13:56:43,518 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 13:56:43,742 WARN L169 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-07-24 13:56:44,171 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 212 proven. 82 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-07-24 13:56:44,192 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 13:56:44,192 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 13:56:44,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:56:44,212 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 13:56:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:56:44,440 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 13:56:44,638 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 314 proven. 2 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-07-24 13:56:44,638 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 13:56:45,031 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 212 proven. 82 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-07-24 13:56:45,034 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 13:56:45,034 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5, 5, 5] total 22 [2018-07-24 13:56:45,034 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 13:56:45,035 INFO L450 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-07-24 13:56:45,035 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-07-24 13:56:45,037 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=363, Unknown=0, NotChecked=0, Total=462 [2018-07-24 13:56:45,038 INFO L87 Difference]: Start difference. First operand 2598 states and 3341 transitions. Second operand 16 states. [2018-07-24 13:56:48,274 WARN L169 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 30 [2018-07-24 13:56:49,436 WARN L169 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2018-07-24 13:56:52,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 13:56:52,160 INFO L93 Difference]: Finished difference Result 6851 states and 9580 transitions. [2018-07-24 13:56:52,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-07-24 13:56:52,160 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 295 [2018-07-24 13:56:52,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 13:56:52,187 INFO L225 Difference]: With dead ends: 6851 [2018-07-24 13:56:52,187 INFO L226 Difference]: Without dead ends: 4113 [2018-07-24 13:56:52,212 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 1253 GetRequests, 1199 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 709 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=683, Invalid=2179, Unknown=0, NotChecked=0, Total=2862 [2018-07-24 13:56:52,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4113 states. [2018-07-24 13:56:52,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4113 to 3791. [2018-07-24 13:56:52,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3791 states. [2018-07-24 13:56:52,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3791 states to 3791 states and 4697 transitions. [2018-07-24 13:56:52,330 INFO L78 Accepts]: Start accepts. Automaton has 3791 states and 4697 transitions. Word has length 295 [2018-07-24 13:56:52,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 13:56:52,331 INFO L471 AbstractCegarLoop]: Abstraction has 3791 states and 4697 transitions. [2018-07-24 13:56:52,331 INFO L472 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-07-24 13:56:52,331 INFO L276 IsEmpty]: Start isEmpty. Operand 3791 states and 4697 transitions. [2018-07-24 13:56:52,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-07-24 13:56:52,347 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 13:56:52,347 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 13:56:52,348 INFO L414 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 13:56:52,348 INFO L82 PathProgramCache]: Analyzing trace with hash 414293357, now seen corresponding path program 1 times [2018-07-24 13:56:52,348 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 13:56:52,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:56:52,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:56:52,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:56:52,349 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 13:56:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:56:52,639 WARN L169 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 13:56:52,990 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 144 proven. 159 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-07-24 13:56:52,990 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 13:56:52,990 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 13:56:52,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:56:52,999 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 13:56:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:56:53,111 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 13:56:53,324 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 332 proven. 2 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-07-24 13:56:53,325 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 13:56:53,641 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 221 proven. 82 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-07-24 13:56:53,669 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 13:56:53,669 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 13:56:53,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:56:53,686 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 13:56:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:56:53,910 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 13:56:53,997 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 332 proven. 2 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-07-24 13:56:53,997 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 13:56:54,247 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 221 proven. 82 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-07-24 13:56:54,249 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 13:56:54,249 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5, 5, 5] total 15 [2018-07-24 13:56:54,249 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 13:56:54,250 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-24 13:56:54,250 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-24 13:56:54,250 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2018-07-24 13:56:54,250 INFO L87 Difference]: Start difference. First operand 3791 states and 4697 transitions. Second operand 11 states. [2018-07-24 13:56:58,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 13:56:58,211 INFO L93 Difference]: Finished difference Result 9984 states and 12684 transitions. [2018-07-24 13:56:58,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-07-24 13:56:58,211 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 304 [2018-07-24 13:56:58,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 13:56:58,221 INFO L225 Difference]: With dead ends: 9984 [2018-07-24 13:56:58,221 INFO L226 Difference]: Without dead ends: 2256 [2018-07-24 13:56:58,252 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 1249 GetRequests, 1216 SyntacticMatches, 9 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=175, Invalid=475, Unknown=0, NotChecked=0, Total=650 [2018-07-24 13:56:58,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2256 states. [2018-07-24 13:56:58,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2256 to 1624. [2018-07-24 13:56:58,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1624 states. [2018-07-24 13:56:58,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1624 states and 1817 transitions. [2018-07-24 13:56:58,297 INFO L78 Accepts]: Start accepts. Automaton has 1624 states and 1817 transitions. Word has length 304 [2018-07-24 13:56:58,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 13:56:58,298 INFO L471 AbstractCegarLoop]: Abstraction has 1624 states and 1817 transitions. [2018-07-24 13:56:58,298 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-24 13:56:58,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 1817 transitions. [2018-07-24 13:56:58,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-07-24 13:56:58,305 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 13:56:58,306 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 13:56:58,306 INFO L414 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 13:56:58,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1037984411, now seen corresponding path program 1 times [2018-07-24 13:56:58,307 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 13:56:58,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:56:58,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:56:58,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:56:58,308 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 13:56:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:56:59,004 WARN L169 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-07-24 13:56:59,539 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 229 proven. 158 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 13:56:59,539 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 13:56:59,539 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 13:56:59,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:56:59,547 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 13:56:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:56:59,665 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 13:57:01,294 WARN L169 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 184 DAG size of output: 37 [2018-07-24 13:57:01,756 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 341 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-07-24 13:57:01,756 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 13:57:02,686 WARN L169 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 22 [2018-07-24 13:57:03,036 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-07-24 13:57:03,121 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 26 [2018-07-24 13:57:03,421 WARN L169 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 42 [2018-07-24 13:57:03,425 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:03,482 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:03,532 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:03,631 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:03,682 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:03,735 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:03,787 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:03,843 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:03,897 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:03,948 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:03,998 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:04,093 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:04,147 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:04,199 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:04,251 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:04,302 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:04,354 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:04,458 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:04,777 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:04,891 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:04,984 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:05,054 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:05,117 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:05,437 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:05,650 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:05,756 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:05,811 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:05,895 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:05,953 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:06,017 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:06,073 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:06,126 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:06,181 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:06,234 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:06,288 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:06,458 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:06,516 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:06,593 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:06,730 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:06,783 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:06,847 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:06,913 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:06,965 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:07,027 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:07,086 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:07,145 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:07,471 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:07,693 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:07,759 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:07,827 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:07,883 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:07,944 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:08,063 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:08,119 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:08,174 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:08,355 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:08,451 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:08,510 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:08,562 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:08,618 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:08,669 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:08,722 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:08,777 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:08,869 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:08,921 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:08,976 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:09,032 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:09,110 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:09,442 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:09,550 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:09,608 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:09,658 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:09,711 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:09,769 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:09,821 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:09,991 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:10,046 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:10,101 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:10,167 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:10,223 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:10,292 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:10,357 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:10,408 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:10,484 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:10,534 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:10,589 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:10,923 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:11,249 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:11,575 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:11,811 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:11,863 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:11,928 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:12,006 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:12,059 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:12,119 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:12,195 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:12,522 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:12,578 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:12,634 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:12,686 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:12,738 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:12,787 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:12,841 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:12,889 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:12,941 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:12,993 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:13,054 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:13,110 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-07-24 13:57:13,834 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 148 proven. 239 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 13:57:13,855 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 13:57:13,855 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 13:57:13,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:57:13,870 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 13:57:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:57:14,120 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 13:57:16,643 WARN L169 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 189 DAG size of output: 42 [2018-07-24 13:57:17,099 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 341 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-07-24 13:57:17,099 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 13:57:35,432 WARN L169 SmtUtils]: Spent 17.41 s on a formula simplification. DAG size of input: 244 DAG size of output: 31 [2018-07-24 13:57:35,434 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-07-24 13:57:35,720 WARN L169 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2018-07-24 13:57:35,725 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 30 [2018-07-24 13:57:35,858 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 79 [2018-07-24 13:57:38,246 WARN L172 XnfTransformerHelper]: Simplifying conjuction of 6870 disjunctions. This might take some time... [2018-07-24 13:57:38,310 INFO L188 XnfTransformerHelper]: Simplified to conjuction of 29 disjunctions. [2018-07-24 13:57:38,917 WARN L169 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 64 [2018-07-24 13:57:38,923 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:39,043 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:39,156 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:39,262 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:39,384 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:39,522 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:39,811 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:40,381 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:40,706 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:40,830 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:40,977 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:41,107 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:41,283 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:41,418 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:41,576 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:41,693 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:41,812 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:41,936 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:42,066 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:42,199 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:42,418 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:42,535 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:42,659 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:42,795 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:43,006 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:43,121 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:43,257 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:43,378 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:43,507 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:43,630 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:43,756 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:43,878 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:44,000 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:44,123 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:44,258 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:44,377 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:44,494 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:44,627 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:44,750 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:44,876 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:45,000 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:45,126 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:45,243 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:45,364 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:45,488 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:45,599 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:45,728 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:45,855 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:45,997 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:46,121 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:46,240 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:46,520 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:46,848 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:46,962 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:47,157 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:47,276 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:47,407 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:47,529 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:47,655 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:47,772 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:47,898 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:48,019 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:48,138 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:48,248 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:48,371 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:48,499 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:48,626 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:48,740 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:48,857 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:48,966 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:49,067 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:49,170 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:49,275 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:49,380 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:49,541 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:49,706 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:50,089 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:50,333 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:50,445 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:50,562 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:50,677 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:50,795 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:50,935 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:51,066 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:51,186 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:51,308 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:51,422 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:51,539 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:51,853 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:51,975 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:52,204 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:52,318 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:52,435 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:52,546 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:52,649 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:52,759 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:52,876 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:53,010 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:53,125 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:53,241 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:53,362 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:53,871 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:54,111 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:54,258 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:54,375 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:54,481 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:54,597 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:54,709 WARN L136 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-07-24 13:57:55,849 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 146 proven. 241 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 13:57:55,851 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 13:57:55,852 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9, 10, 11] total 41 [2018-07-24 13:57:55,852 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 13:57:55,853 INFO L450 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-07-24 13:57:55,854 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-07-24 13:57:55,854 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=1420, Unknown=0, NotChecked=0, Total=1640 [2018-07-24 13:57:55,855 INFO L87 Difference]: Start difference. First operand 1624 states and 1817 transitions. Second operand 18 states. [2018-07-24 13:58:01,643 WARN L169 SmtUtils]: Spent 4.34 s on a formula simplification. DAG size of input: 69 DAG size of output: 36 [2018-07-24 13:58:05,266 WARN L169 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 43 [2018-07-24 13:58:13,885 WARN L169 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2018-07-24 13:58:18,917 WARN L169 SmtUtils]: Spent 4.37 s on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2018-07-24 13:58:23,821 WARN L169 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2018-07-24 13:58:36,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 13:58:36,286 INFO L93 Difference]: Finished difference Result 4796 states and 5496 transitions. [2018-07-24 13:58:36,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-07-24 13:58:36,287 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 340 [2018-07-24 13:58:36,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 13:58:36,296 INFO L225 Difference]: With dead ends: 4796 [2018-07-24 13:58:36,296 INFO L226 Difference]: Without dead ends: 2917 [2018-07-24 13:58:36,300 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 1435 GetRequests, 1142 SyntacticMatches, 221 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7925 ImplicationChecksByTransitivity, 60.5s TimeCoverageRelationStatistics Valid=946, Invalid=4456, Unknown=0, NotChecked=0, Total=5402 [2018-07-24 13:58:36,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2917 states. [2018-07-24 13:58:36,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2917 to 2616. [2018-07-24 13:58:36,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2616 states. [2018-07-24 13:58:36,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 2616 states and 2969 transitions. [2018-07-24 13:58:36,364 INFO L78 Accepts]: Start accepts. Automaton has 2616 states and 2969 transitions. Word has length 340 [2018-07-24 13:58:36,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 13:58:36,365 INFO L471 AbstractCegarLoop]: Abstraction has 2616 states and 2969 transitions. [2018-07-24 13:58:36,365 INFO L472 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-07-24 13:58:36,365 INFO L276 IsEmpty]: Start isEmpty. Operand 2616 states and 2969 transitions. [2018-07-24 13:58:36,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-07-24 13:58:36,376 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 13:58:36,377 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 13:58:36,377 INFO L414 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 13:58:36,377 INFO L82 PathProgramCache]: Analyzing trace with hash 935343302, now seen corresponding path program 1 times [2018-07-24 13:58:36,377 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 13:58:36,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:58:36,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:58:36,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:58:36,379 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 13:58:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:58:36,790 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-07-24 13:58:36,790 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 13:58:36,790 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 13:58:36,791 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 13:58:36,791 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 13:58:36,794 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 13:58:36,794 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 13:58:36,795 INFO L87 Difference]: Start difference. First operand 2616 states and 2969 transitions. Second operand 3 states. [2018-07-24 13:58:37,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 13:58:37,660 INFO L93 Difference]: Finished difference Result 5818 states and 6681 transitions. [2018-07-24 13:58:37,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 13:58:37,660 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 359 [2018-07-24 13:58:37,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 13:58:37,661 INFO L225 Difference]: With dead ends: 5818 [2018-07-24 13:58:37,661 INFO L226 Difference]: Without dead ends: 0 [2018-07-24 13:58:37,666 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 13:58:37,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-24 13:58:37,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-24 13:58:37,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-24 13:58:37,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-24 13:58:37,667 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 359 [2018-07-24 13:58:37,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 13:58:37,668 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-24 13:58:37,668 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 13:58:37,668 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-24 13:58:37,668 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-24 13:58:37,672 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-24 13:58:37,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:37,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:37,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:37,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:37,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:37,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:37,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:37,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:37,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:37,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:37,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:37,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:37,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:37,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:37,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:37,981 WARN L169 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 161 [2018-07-24 13:58:37,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:37,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:37,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:37,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:38,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:38,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:38,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:38,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:38,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:38,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:38,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:38,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:38,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:38,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:38,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:58:38,179 WARN L169 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 161 [2018-07-24 13:58:41,780 WARN L169 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 197 DAG size of output: 53 [2018-07-24 13:58:42,749 WARN L169 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 64 [2018-07-24 13:58:43,672 WARN L169 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 64 [2018-07-24 13:58:43,726 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-07-24 13:58:43,726 INFO L417 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0)|) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a1~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a1~0)|) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0)|)) [2018-07-24 13:58:43,727 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-07-24 13:58:43,727 INFO L421 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-07-24 13:58:43,727 INFO L421 ceAbstractionStarter]: For program point L90'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,727 INFO L421 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-07-24 13:58:43,727 INFO L421 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-07-24 13:58:43,727 INFO L421 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-07-24 13:58:43,727 INFO L421 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-07-24 13:58:43,727 INFO L421 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-07-24 13:58:43,727 INFO L421 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-07-24 13:58:43,727 INFO L421 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-07-24 13:58:43,727 INFO L421 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-07-24 13:58:43,727 INFO L421 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-07-24 13:58:43,728 INFO L421 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-07-24 13:58:43,728 INFO L421 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-07-24 13:58:43,728 INFO L421 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-07-24 13:58:43,728 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION(line 142) no Hoare annotation was computed. [2018-07-24 13:58:43,728 INFO L421 ceAbstractionStarter]: For program point L81'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,728 INFO L421 ceAbstractionStarter]: For program point L93'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,728 INFO L421 ceAbstractionStarter]: For program point L60'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,728 INFO L421 ceAbstractionStarter]: For program point L72'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,728 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,728 INFO L421 ceAbstractionStarter]: For program point L180'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,728 INFO L421 ceAbstractionStarter]: For program point L192'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,728 INFO L421 ceAbstractionStarter]: For program point L84'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,729 INFO L421 ceAbstractionStarter]: For program point L96'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,729 INFO L421 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-07-24 13:58:43,729 INFO L421 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-07-24 13:58:43,729 INFO L421 ceAbstractionStarter]: For program point L99'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,729 INFO L421 ceAbstractionStarter]: For program point L51'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,729 INFO L421 ceAbstractionStarter]: For program point L63'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,729 INFO L421 ceAbstractionStarter]: For program point L75'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,729 INFO L421 ceAbstractionStarter]: For program point L87'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,729 INFO L421 ceAbstractionStarter]: For program point L162'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,729 INFO L421 ceAbstractionStarter]: For program point L150'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,729 INFO L421 ceAbstractionStarter]: For program point L186'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,729 INFO L421 ceAbstractionStarter]: For program point L174'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,729 INFO L421 ceAbstractionStarter]: For program point L198'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,730 INFO L421 ceAbstractionStarter]: For program point L195'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,730 INFO L421 ceAbstractionStarter]: For program point L183'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,730 INFO L421 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-07-24 13:58:43,730 INFO L421 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-07-24 13:58:43,730 INFO L421 ceAbstractionStarter]: For program point L171'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,730 INFO L421 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-07-24 13:58:43,730 INFO L421 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-07-24 13:58:43,730 INFO L421 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-07-24 13:58:43,730 INFO L421 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-07-24 13:58:43,730 INFO L421 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-07-24 13:58:43,731 INFO L421 ceAbstractionStarter]: For program point L153'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,731 INFO L421 ceAbstractionStarter]: For program point L141'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,731 INFO L421 ceAbstractionStarter]: For program point L177'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,731 INFO L421 ceAbstractionStarter]: For program point L165'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,731 INFO L421 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-07-24 13:58:43,731 INFO L421 ceAbstractionStarter]: For program point L189'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,731 INFO L421 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-07-24 13:58:43,731 INFO L421 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-07-24 13:58:43,731 INFO L421 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-07-24 13:58:43,732 INFO L421 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-07-24 13:58:43,732 INFO L421 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-07-24 13:58:43,732 INFO L421 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-07-24 13:58:43,732 INFO L421 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-07-24 13:58:43,732 INFO L421 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-07-24 13:58:43,732 INFO L421 ceAbstractionStarter]: For program point L66'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,732 INFO L421 ceAbstractionStarter]: For program point L78'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,732 INFO L421 ceAbstractionStarter]: For program point L30'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,732 INFO L421 ceAbstractionStarter]: For program point L42'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,733 INFO L421 ceAbstractionStarter]: For program point L54'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,733 INFO L421 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-07-24 13:58:43,733 INFO L421 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-07-24 13:58:43,733 INFO L421 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-07-24 13:58:43,733 INFO L421 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-07-24 13:58:43,733 INFO L421 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-07-24 13:58:43,733 INFO L421 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-07-24 13:58:43,733 INFO L421 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-07-24 13:58:43,733 INFO L421 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-07-24 13:58:43,734 INFO L421 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-07-24 13:58:43,734 INFO L421 ceAbstractionStarter]: For program point L33'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,734 INFO L421 ceAbstractionStarter]: For program point L45'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,734 INFO L421 ceAbstractionStarter]: For program point L57'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,734 INFO L421 ceAbstractionStarter]: For program point L69'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,734 INFO L421 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-07-24 13:58:43,734 INFO L421 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-07-24 13:58:43,734 INFO L421 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-07-24 13:58:43,735 INFO L417 ceAbstractionStarter]: At program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse6 (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a1~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a1~0)|)) (.cse7 (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0)|)) (.cse5 (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0)|))) (let ((.cse4 (= 4 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0)|)) (.cse3 (= 3 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0)|)) (.cse0 (not (= 0 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a12~0))) (.cse1 (not (= 14 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a4~0))) (.cse2 (= 7 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0)|)) (.cse8 (and .cse6 .cse7 .cse5))) (and (or (or .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7)) (or .cse0 .cse1 .cse3 .cse8 .cse4 (< (+ |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a1~0)| 12) 0)) (or .cse0 .cse1 (not (= 9 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0)|)) (and .cse6 .cse7 (= 9 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0))) (or (= 1 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0)|) .cse0 .cse1 .cse3 .cse4 .cse8) (or (and (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0)| ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0) .cse5 .cse6) (or .cse0 .cse1 (= 10 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0)|) .cse2 .cse3)) (or .cse0 (= 8 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0)|) .cse1 .cse2 .cse8 (< 8 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0)|))))) [2018-07-24 13:58:43,735 INFO L421 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-07-24 13:58:43,735 INFO L421 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-07-24 13:58:43,735 INFO L421 ceAbstractionStarter]: For program point L21''(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,735 INFO L421 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-07-24 13:58:43,735 INFO L421 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-07-24 13:58:43,735 INFO L421 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-07-24 13:58:43,735 INFO L421 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-07-24 13:58:43,736 INFO L421 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-07-24 13:58:43,736 INFO L421 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-07-24 13:58:43,736 INFO L421 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-07-24 13:58:43,736 INFO L421 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-07-24 13:58:43,736 INFO L421 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-07-24 13:58:43,736 INFO L421 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-07-24 13:58:43,736 INFO L421 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-07-24 13:58:43,736 INFO L421 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-07-24 13:58:43,736 INFO L421 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-07-24 13:58:43,736 INFO L421 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-07-24 13:58:43,737 INFO L421 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-07-24 13:58:43,737 INFO L421 ceAbstractionStarter]: For program point L159'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,737 INFO L421 ceAbstractionStarter]: For program point L147'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,737 INFO L421 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-07-24 13:58:43,737 INFO L421 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-07-24 13:58:43,737 INFO L421 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-07-24 13:58:43,737 INFO L421 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-07-24 13:58:43,737 INFO L421 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-07-24 13:58:43,737 INFO L421 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-07-24 13:58:43,737 INFO L421 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-07-24 13:58:43,738 INFO L421 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-07-24 13:58:43,738 INFO L421 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-07-24 13:58:43,738 INFO L421 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-07-24 13:58:43,738 INFO L421 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-07-24 13:58:43,738 INFO L421 ceAbstractionStarter]: For program point L120'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,738 INFO L421 ceAbstractionStarter]: For program point L144'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,738 INFO L421 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-07-24 13:58:43,738 INFO L421 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-07-24 13:58:43,738 INFO L421 ceAbstractionStarter]: For program point L132'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,738 INFO L421 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-07-24 13:58:43,739 INFO L421 ceAbstractionStarter]: For program point L168'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,739 INFO L421 ceAbstractionStarter]: For program point L156'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,739 INFO L421 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-07-24 13:58:43,739 INFO L421 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-07-24 13:58:43,739 INFO L421 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-07-24 13:58:43,739 INFO L421 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-07-24 13:58:43,739 INFO L421 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-07-24 13:58:43,739 INFO L421 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-07-24 13:58:43,739 INFO L421 ceAbstractionStarter]: For program point L48'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,739 INFO L421 ceAbstractionStarter]: For program point L24'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,739 INFO L421 ceAbstractionStarter]: For program point L36'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,740 INFO L421 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-07-24 13:58:43,740 INFO L421 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-07-24 13:58:43,740 INFO L421 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-07-24 13:58:43,740 INFO L421 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-07-24 13:58:43,740 INFO L421 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-07-24 13:58:43,740 INFO L421 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-07-24 13:58:43,740 INFO L421 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-07-24 13:58:43,740 INFO L421 ceAbstractionStarter]: For program point L27'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,740 INFO L421 ceAbstractionStarter]: For program point L39'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,740 INFO L421 ceAbstractionStarter]: For program point L126'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,741 INFO L421 ceAbstractionStarter]: For program point L114'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,741 INFO L421 ceAbstractionStarter]: For program point L138'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,741 INFO L421 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-07-24 13:58:43,741 INFO L421 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-07-24 13:58:43,741 INFO L421 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-07-24 13:58:43,741 INFO L421 ceAbstractionStarter]: For program point L102'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,741 INFO L421 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-07-24 13:58:43,741 INFO L421 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-07-24 13:58:43,742 INFO L421 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-07-24 13:58:43,742 INFO L421 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-07-24 13:58:43,742 INFO L421 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-07-24 13:58:43,742 INFO L421 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-07-24 13:58:43,742 INFO L421 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-07-24 13:58:43,742 INFO L421 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-07-24 13:58:43,742 INFO L421 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-07-24 13:58:43,742 INFO L421 ceAbstractionStarter]: For program point L135'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,742 INFO L421 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-07-24 13:58:43,742 INFO L421 ceAbstractionStarter]: For program point L111'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,743 INFO L421 ceAbstractionStarter]: For program point L123'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,743 INFO L421 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-07-24 13:58:43,743 INFO L421 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-07-24 13:58:43,743 INFO L421 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-07-24 13:58:43,743 INFO L421 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-07-24 13:58:43,743 INFO L421 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-07-24 13:58:43,743 INFO L421 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-07-24 13:58:43,743 INFO L421 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-07-24 13:58:43,743 INFO L421 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-07-24 13:58:43,743 INFO L421 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-07-24 13:58:43,743 INFO L421 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-07-24 13:58:43,744 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,744 INFO L421 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-07-24 13:58:43,744 INFO L421 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-07-24 13:58:43,744 INFO L421 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-07-24 13:58:43,744 INFO L421 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-07-24 13:58:43,744 INFO L421 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-07-24 13:58:43,744 INFO L421 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-07-24 13:58:43,744 INFO L421 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-07-24 13:58:43,744 INFO L421 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-07-24 13:58:43,744 INFO L421 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-07-24 13:58:43,745 INFO L421 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-07-24 13:58:43,745 INFO L421 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-07-24 13:58:43,745 INFO L421 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-07-24 13:58:43,745 INFO L421 ceAbstractionStarter]: For program point L201'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,745 INFO L421 ceAbstractionStarter]: For program point L105'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,745 INFO L421 ceAbstractionStarter]: For program point L117'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,745 INFO L421 ceAbstractionStarter]: For program point L129'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,745 INFO L421 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-07-24 13:58:43,745 INFO L421 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-07-24 13:58:43,745 INFO L421 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-07-24 13:58:43,746 INFO L421 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-07-24 13:58:43,746 INFO L421 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-07-24 13:58:43,746 INFO L421 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-07-24 13:58:43,746 INFO L421 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-07-24 13:58:43,746 INFO L421 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-07-24 13:58:43,746 INFO L421 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-07-24 13:58:43,746 INFO L421 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-07-24 13:58:43,746 INFO L421 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-07-24 13:58:43,746 INFO L421 ceAbstractionStarter]: For program point L108'(lines 20 574) no Hoare annotation was computed. [2018-07-24 13:58:43,746 INFO L421 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-07-24 13:58:43,747 INFO L421 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-07-24 13:58:43,747 INFO L421 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-07-24 13:58:43,747 INFO L417 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0 8)) (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0 7)) (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0 1)) (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0 4)) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a4~0 14) (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0 3)) (<= 23 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a1~0) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a12~0 0) (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0 10)) (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a1~0 23)) [2018-07-24 13:58:43,747 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-07-24 13:58:43,747 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-07-24 13:58:43,747 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-07-24 13:58:43,747 INFO L421 ceAbstractionStarter]: For program point L582(lines 582 591) no Hoare annotation was computed. [2018-07-24 13:58:43,747 INFO L421 ceAbstractionStarter]: For program point L590'(line 590) no Hoare annotation was computed. [2018-07-24 13:58:43,748 INFO L417 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse2 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0 4))) (.cse3 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0 3))) (.cse0 (= 9 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0)|)) (.cse1 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0 7)))) (or (not (= 0 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a12~0)) (= 10 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0)|) (< 23 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a1~0)|) (and .cse0 (and .cse1 .cse2 .cse3)) (and .cse0 .cse2 (<= 0 (+ ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a1~0 12)) .cse3) (= 1 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0)|) (= 8 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0)|) (and .cse0 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0 1)) .cse2 .cse3) (= 4 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0)|) (= 7 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0)|) (= 3 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0)|) (and .cse0 .cse1 .cse3 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0 10))) (and (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0)| ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0) (= 9 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0)) (and .cse0 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0 8)) .cse1 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0 8)) (< |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a1~0)| 23) (and (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0)|) (<= 23 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a1~0) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0)|) (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a1~0 23)) (not (= 14 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a4~0)))) [2018-07-24 13:58:43,748 INFO L421 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-07-24 13:58:43,748 INFO L421 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-07-24 13:58:43,748 INFO L417 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (= 1 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0)|) (not (= 0 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a12~0)) (and (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0)|) (<= 23 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a1~0) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0)|) (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a1~0 23)) (= 8 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0)|) (< |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a1~0)| 23) (not (= 14 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a4~0)) (= 10 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0)|) (= 7 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0)|) (< 23 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a1~0)|) (= 3 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0)|) (= 4 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0)|)) [2018-07-24 13:58:43,748 INFO L421 ceAbstractionStarter]: For program point L582'''(lines 576 592) no Hoare annotation was computed. [2018-07-24 13:58:43,748 INFO L417 ceAbstractionStarter]: At program point L582''(lines 582 591) the Hoare annotation is: (let ((.cse2 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0 4))) (.cse3 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0 3))) (.cse0 (= 9 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0)|)) (.cse1 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0 7)))) (or (not (= 0 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a12~0)) (= 10 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0)|) (< 23 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a1~0)|) (and .cse0 (and .cse1 .cse2 .cse3)) (and .cse0 .cse2 (<= 0 (+ ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a1~0 12)) .cse3) (= 1 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0)|) (= 8 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0)|) (and .cse0 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0 1)) .cse2 .cse3) (= 4 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0)|) (= 7 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0)|) (= 3 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0)|) (and .cse0 .cse1 .cse3 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0 10))) (and (= |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0)| ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0) (= 9 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0)) (and .cse0 (not (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0 8)) .cse1 (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0 8)) (< |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a1~0)| 23) (and (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10~0)|) (<= 23 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a1~0) (= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19~0)|) (<= ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a1~0 23)) (not (= 14 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a4~0)))) [2018-07-24 13:58:43,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 01:58:43 BoogieIcfgContainer [2018-07-24 13:58:43,769 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 13:58:43,770 INFO L168 Benchmark]: Toolchain (without parser) took 148604.60 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.5 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -607.0 MB). Peak memory consumption was 927.6 MB. Max. memory is 7.1 GB. [2018-07-24 13:58:43,771 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-07-24 13:58:43,772 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.83 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-07-24 13:58:43,773 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.65 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-24 13:58:43,774 INFO L168 Benchmark]: Boogie Preprocessor took 262.20 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 779.1 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -889.6 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. [2018-07-24 13:58:43,774 INFO L168 Benchmark]: RCFGBuilder took 3711.44 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 122.9 MB). Peak memory consumption was 122.9 MB. Max. memory is 7.1 GB. [2018-07-24 13:58:43,775 INFO L168 Benchmark]: TraceAbstraction took 143801.33 ms. Allocated memory was 2.3 GB in the beginning and 3.1 GB in the end (delta: 755.5 MB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 106.8 MB). Peak memory consumption was 862.3 MB. Max. memory is 7.1 GB. [2018-07-24 13:58:43,780 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 735.83 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 89.65 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 262.20 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 779.1 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -889.6 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3711.44 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 122.9 MB). Peak memory consumption was 122.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 143801.33 ms. Allocated memory was 2.3 GB in the beginning and 3.1 GB in the end (delta: 755.5 MB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 106.8 MB). Peak memory consumption was 862.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 142]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((((((((((!(0 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a12) || 10 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19)) || 23 < \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a1)) || (9 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19) && (!(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19 == 7) && !(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10 == 4)) && !(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10 == 3))) || (((9 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19) && !(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10 == 4)) && 0 <= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a1 + 12) && !(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10 == 3))) || 1 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10)) || 8 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19)) || (((9 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19) && !(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10 == 1)) && !(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10 == 4)) && !(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10 == 3))) || 4 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10)) || 7 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19)) || 3 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10)) || (((9 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19) && !(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19 == 7)) && !(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10 == 3)) && !(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19 == 10))) || (\old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19) == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19 && 9 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19)) || (((9 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19) && !(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19 == 8)) && !(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19 == 7)) && __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19 <= 8)) || \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a1) < 23) || (((__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a10) && 23 <= __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a1) && __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19 == \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a19)) && __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a1 <= 23)) || !(14 == __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__a4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 143.6s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 68.9s AutomataDifference, 0.0s DeadEndRemovalTime, 6.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 751 SDtfs, 10282 SDslu, 1286 SDs, 0 SdLazy, 16915 SolverSat, 3251 SolverUnsat, 10 SolverUnknown, 0 SolverNotchecked, 49.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4443 GetRequests, 4015 SyntacticMatches, 242 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8809 ImplicationChecksByTransitivity, 67.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3791occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 1422 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 115 PreInvPairs, 193 NumberOfFragments, 538 HoareAnnotationTreeSize, 115 FomulaSimplifications, 50067 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8571 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 65.1s InterpolantComputationTime, 4315 NumberOfCodeBlocks, 4315 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 6393 ConstructedInterpolants, 247 QuantifiedInterpolants, 19277646 SizeOfPredicates, 25 NumberOfNonLiveVariables, 3539 ConjunctsInSsa, 100 ConjunctsInUnsatCore, 24 InterpolantComputations, 7 PerfectInterpolantSequences, 5402/6781 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label23_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_13-58-43-801.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label23_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_13-58-43-801.csv Received shutdown request...