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/Problem04_label20_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 12:58:33,590 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 12:58:33,592 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 12:58:33,606 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 12:58:33,606 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 12:58:33,607 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 12:58:33,608 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 12:58:33,610 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 12:58:33,611 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 12:58:33,612 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 12:58:33,613 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 12:58:33,613 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 12:58:33,614 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 12:58:33,615 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 12:58:33,616 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 12:58:33,617 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 12:58:33,618 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 12:58:33,623 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 12:58:33,628 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 12:58:33,630 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 12:58:33,631 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 12:58:33,634 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 12:58:33,638 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 12:58:33,638 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 12:58:33,639 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 12:58:33,640 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 12:58:33,640 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 12:58:33,641 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 12:58:33,642 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 12:58:33,643 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 12:58:33,643 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 12:58:33,644 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 12:58:33,644 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 12:58:33,644 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 12:58:33,645 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 12:58:33,646 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 12:58:33,646 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 12:58:33,660 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 12:58:33,661 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 12:58:33,662 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 12:58:33,662 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 12:58:33,662 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 12:58:33,662 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 12:58:33,662 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 12:58:33,663 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 12:58:33,663 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 12:58:33,663 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 12:58:33,663 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 12:58:33,664 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 12:58:33,664 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 12:58:33,664 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 12:58:33,664 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 12:58:33,665 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 12:58:33,665 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 12:58:33,665 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 12:58:33,665 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 12:58:33,665 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 12:58:33,666 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 12:58:33,666 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 12:58:33,666 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 12:58:33,666 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 12:58:33,667 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 12:58:33,667 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 12:58:33,668 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 12:58:33,668 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 12:58:33,668 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 12:58:33,668 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 12:58:33,668 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 12:58:33,669 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 12:58:33,669 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 12:58:33,747 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 12:58:33,762 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 12:58:33,768 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 12:58:33,770 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 12:58:33,770 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 12:58:33,771 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label20_true-unreach-call_false-termination.c [2018-07-24 12:58:34,111 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead4ec840/6c7a28972b324e33899ae9b0bc1a9d89/FLAG45be025bd [2018-07-24 12:58:34,581 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 12:58:34,582 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label20_true-unreach-call_false-termination.c [2018-07-24 12:58:34,613 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead4ec840/6c7a28972b324e33899ae9b0bc1a9d89/FLAG45be025bd [2018-07-24 12:58:34,634 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead4ec840/6c7a28972b324e33899ae9b0bc1a9d89 [2018-07-24 12:58:34,648 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 12:58:34,651 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 12:58:34,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 12:58:34,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 12:58:34,663 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 12:58:34,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 12:58:34" (1/1) ... [2018-07-24 12:58:34,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3819ccc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:58:34, skipping insertion in model container [2018-07-24 12:58:34,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 12:58:34" (1/1) ... [2018-07-24 12:58:35,025 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 12:58:36,128 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 12:58:36,147 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 12:58:36,919 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 12:58:37,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:58:37 WrapperNode [2018-07-24 12:58:37,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 12:58:37,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 12:58:37,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 12:58:37,062 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 12:58:37,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:58:37" (1/1) ... [2018-07-24 12:58:37,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:58:37" (1/1) ... [2018-07-24 12:58:37,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 12:58:37,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 12:58:37,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 12:58:37,200 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 12:58:37,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:58:37" (1/1) ... [2018-07-24 12:58:37,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:58:37" (1/1) ... [2018-07-24 12:58:37,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:58:37" (1/1) ... [2018-07-24 12:58:37,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:58:37" (1/1) ... [2018-07-24 12:58:37,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:58:37" (1/1) ... [2018-07-24 12:58:37,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:58:37" (1/1) ... [2018-07-24 12:58:37,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:58:37" (1/1) ... [2018-07-24 12:58:37,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 12:58:37,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 12:58:37,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 12:58:37,845 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 12:58:37,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:58:37" (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 12:58:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-07-24 12:58:37,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-07-24 12:58:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 12:58:37,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 12:58:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 12:58:37,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 12:58:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 12:58:37,921 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 12:58:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output3 [2018-07-24 12:58:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output3 [2018-07-24 12:58:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output2 [2018-07-24 12:58:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output2 [2018-07-24 12:58:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output4 [2018-07-24 12:58:37,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output4 [2018-07-24 12:58:49,336 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 12:58:49,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 12:58:49 BoogieIcfgContainer [2018-07-24 12:58:49,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 12:58:49,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 12:58:49,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 12:58:49,351 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 12:58:49,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 12:58:34" (1/3) ... [2018-07-24 12:58:49,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dcb39b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 12:58:49, skipping insertion in model container [2018-07-24 12:58:49,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:58:37" (2/3) ... [2018-07-24 12:58:49,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dcb39b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 12:58:49, skipping insertion in model container [2018-07-24 12:58:49,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 12:58:49" (3/3) ... [2018-07-24 12:58:49,358 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem04_label20_true-unreach-call_false-termination.c [2018-07-24 12:58:49,374 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 12:58:49,384 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 12:58:49,461 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 12:58:49,462 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 12:58:49,462 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 12:58:49,462 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 12:58:49,462 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 12:58:49,463 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 12:58:49,463 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 12:58:49,463 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 12:58:49,463 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 12:58:49,518 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states. [2018-07-24 12:58:49,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 807 [2018-07-24 12:58:49,577 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:58:49,579 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:58:49,580 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output4Err0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:58:49,587 INFO L82 PathProgramCache]: Analyzing trace with hash 485381312, now seen corresponding path program 1 times [2018-07-24 12:58:49,590 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:58:49,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:58:49,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:58:49,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:58:49,656 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:58:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:58:51,879 WARN L169 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 12:58:52,799 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 12:58:52,801 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:58:52,802 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 12:58:52,802 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:58:52,810 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 12:58:52,826 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 12:58:52,827 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 12:58:52,829 INFO L87 Difference]: Start difference. First operand 907 states. Second operand 3 states. [2018-07-24 12:58:59,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:58:59,809 INFO L93 Difference]: Finished difference Result 2647 states and 5102 transitions. [2018-07-24 12:58:59,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 12:58:59,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 806 [2018-07-24 12:58:59,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:58:59,856 INFO L225 Difference]: With dead ends: 2647 [2018-07-24 12:58:59,856 INFO L226 Difference]: Without dead ends: 1738 [2018-07-24 12:58:59,867 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 12:58:59,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2018-07-24 12:59:00,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 1738. [2018-07-24 12:59:00,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1738 states. [2018-07-24 12:59:00,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1738 states and 3145 transitions. [2018-07-24 12:59:00,042 INFO L78 Accepts]: Start accepts. Automaton has 1738 states and 3145 transitions. Word has length 806 [2018-07-24 12:59:00,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:59:00,045 INFO L471 AbstractCegarLoop]: Abstraction has 1738 states and 3145 transitions. [2018-07-24 12:59:00,045 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 12:59:00,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 3145 transitions. [2018-07-24 12:59:00,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 816 [2018-07-24 12:59:00,076 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:59:00,077 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:00,078 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output4Err0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:59:00,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1312453729, now seen corresponding path program 1 times [2018-07-24 12:59:00,078 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:59:00,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:59:00,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:59:00,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:59:00,081 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:59:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:59:01,867 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:59:01,867 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:59:01,868 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 12:59:01,868 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:59:01,871 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 12:59:01,871 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 12:59:01,871 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 12:59:01,871 INFO L87 Difference]: Start difference. First operand 1738 states and 3145 transitions. Second operand 4 states. [2018-07-24 12:59:12,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:59:12,678 INFO L93 Difference]: Finished difference Result 5140 states and 9418 transitions. [2018-07-24 12:59:12,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 12:59:12,680 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 815 [2018-07-24 12:59:12,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:59:12,702 INFO L225 Difference]: With dead ends: 5140 [2018-07-24 12:59:12,703 INFO L226 Difference]: Without dead ends: 3408 [2018-07-24 12:59:12,709 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 12:59:12,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3408 states. [2018-07-24 12:59:12,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3408 to 3408. [2018-07-24 12:59:12,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3408 states. [2018-07-24 12:59:12,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3408 states to 3408 states and 6015 transitions. [2018-07-24 12:59:12,795 INFO L78 Accepts]: Start accepts. Automaton has 3408 states and 6015 transitions. Word has length 815 [2018-07-24 12:59:12,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:59:12,796 INFO L471 AbstractCegarLoop]: Abstraction has 3408 states and 6015 transitions. [2018-07-24 12:59:12,796 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 12:59:12,797 INFO L276 IsEmpty]: Start isEmpty. Operand 3408 states and 6015 transitions. [2018-07-24 12:59:12,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 828 [2018-07-24 12:59:12,832 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:59:12,832 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:12,833 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output4Err0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:59:12,833 INFO L82 PathProgramCache]: Analyzing trace with hash -426414647, now seen corresponding path program 1 times [2018-07-24 12:59:12,833 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:59:12,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:59:12,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:59:12,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:59:12,835 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:59:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:59:13,305 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:59:13,305 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:59:13,306 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 12:59:13,306 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:59:13,307 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 12:59:13,307 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 12:59:13,308 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 12:59:13,308 INFO L87 Difference]: Start difference. First operand 3408 states and 6015 transitions. Second operand 6 states. [2018-07-24 12:59:21,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:59:21,462 INFO L93 Difference]: Finished difference Result 7819 states and 13748 transitions. [2018-07-24 12:59:21,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 12:59:21,465 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 827 [2018-07-24 12:59:21,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:59:21,494 INFO L225 Difference]: With dead ends: 7819 [2018-07-24 12:59:21,495 INFO L226 Difference]: Without dead ends: 4417 [2018-07-24 12:59:21,506 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 12:59:21,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4417 states. [2018-07-24 12:59:21,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4417 to 4385. [2018-07-24 12:59:21,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4385 states. [2018-07-24 12:59:21,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4385 states to 4385 states and 6997 transitions. [2018-07-24 12:59:21,651 INFO L78 Accepts]: Start accepts. Automaton has 4385 states and 6997 transitions. Word has length 827 [2018-07-24 12:59:21,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:59:21,652 INFO L471 AbstractCegarLoop]: Abstraction has 4385 states and 6997 transitions. [2018-07-24 12:59:21,652 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 12:59:21,652 INFO L276 IsEmpty]: Start isEmpty. Operand 4385 states and 6997 transitions. [2018-07-24 12:59:21,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 866 [2018-07-24 12:59:21,672 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:59:21,673 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:21,673 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output4Err0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:59:21,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1123388989, now seen corresponding path program 1 times [2018-07-24 12:59:21,674 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:59:21,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:59:21,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:59:21,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:59:21,676 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:59:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:59:22,030 WARN L169 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 12:59:22,838 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:59:22,838 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:59:22,839 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 12:59:22,839 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:59:22,843 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 12:59:22,843 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 12:59:22,843 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 12:59:22,844 INFO L87 Difference]: Start difference. First operand 4385 states and 6997 transitions. Second operand 6 states. [2018-07-24 12:59:30,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:59:30,200 INFO L93 Difference]: Finished difference Result 13446 states and 22068 transitions. [2018-07-24 12:59:30,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 12:59:30,201 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 865 [2018-07-24 12:59:30,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:59:30,245 INFO L225 Difference]: With dead ends: 13446 [2018-07-24 12:59:30,246 INFO L226 Difference]: Without dead ends: 9067 [2018-07-24 12:59:30,258 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-24 12:59:30,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9067 states. [2018-07-24 12:59:30,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9067 to 8976. [2018-07-24 12:59:30,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8976 states. [2018-07-24 12:59:30,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8976 states to 8976 states and 13931 transitions. [2018-07-24 12:59:30,477 INFO L78 Accepts]: Start accepts. Automaton has 8976 states and 13931 transitions. Word has length 865 [2018-07-24 12:59:30,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:59:30,479 INFO L471 AbstractCegarLoop]: Abstraction has 8976 states and 13931 transitions. [2018-07-24 12:59:30,479 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 12:59:30,479 INFO L276 IsEmpty]: Start isEmpty. Operand 8976 states and 13931 transitions. [2018-07-24 12:59:30,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 993 [2018-07-24 12:59:30,518 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:59:30,519 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:30,519 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output4Err0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:59:30,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1175675536, now seen corresponding path program 1 times [2018-07-24 12:59:30,520 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:59:30,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:59:30,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:59:30,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:59:30,522 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:59:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:59:31,530 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 187 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:59:31,531 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:59:31,531 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 12:59:31,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:59:31,543 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:59:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:59:31,998 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:59:32,860 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 187 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:59:32,861 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:59:34,736 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 187 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:59:34,759 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:59:34,759 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 3 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 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 12:59:34,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:59:34,776 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:59:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:59:35,675 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:59:36,731 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 187 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:59:36,731 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:59:37,856 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 187 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:59:37,859 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 12:59:37,860 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 16 [2018-07-24 12:59:37,860 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 12:59:37,862 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-24 12:59:37,863 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-24 12:59:37,863 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2018-07-24 12:59:37,863 INFO L87 Difference]: Start difference. First operand 8976 states and 13931 transitions. Second operand 9 states. [2018-07-24 12:59:38,332 WARN L169 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-07-24 12:59:53,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:59:53,287 INFO L93 Difference]: Finished difference Result 25626 states and 40684 transitions. [2018-07-24 12:59:53,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-07-24 12:59:53,288 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 992 [2018-07-24 12:59:53,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:59:53,383 INFO L225 Difference]: With dead ends: 25626 [2018-07-24 12:59:53,383 INFO L226 Difference]: Without dead ends: 16656 [2018-07-24 12:59:53,410 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 4006 GetRequests, 3966 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=352, Invalid=1288, Unknown=0, NotChecked=0, Total=1640 [2018-07-24 12:59:53,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16656 states. [2018-07-24 12:59:53,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16656 to 16530. [2018-07-24 12:59:53,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16530 states. [2018-07-24 12:59:53,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16530 states to 16530 states and 22610 transitions. [2018-07-24 12:59:53,817 INFO L78 Accepts]: Start accepts. Automaton has 16530 states and 22610 transitions. Word has length 992 [2018-07-24 12:59:53,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:59:53,818 INFO L471 AbstractCegarLoop]: Abstraction has 16530 states and 22610 transitions. [2018-07-24 12:59:53,818 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-24 12:59:53,818 INFO L276 IsEmpty]: Start isEmpty. Operand 16530 states and 22610 transitions. [2018-07-24 12:59:53,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1090 [2018-07-24 12:59:53,880 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:59:53,881 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:53,881 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output4Err0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:59:53,881 INFO L82 PathProgramCache]: Analyzing trace with hash -794908721, now seen corresponding path program 1 times [2018-07-24 12:59:53,882 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:59:53,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:59:53,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:59:53,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:59:53,885 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:59:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:59:54,344 WARN L169 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 12:59:55,485 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 274 proven. 96 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-07-24 12:59:55,486 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:59:55,486 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 12:59:55,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:59:55,496 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:59:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:59:55,958 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:59:56,505 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2018-07-24 12:59:56,506 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:59:57,240 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 274 proven. 96 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-07-24 12:59:57,263 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-07-24 12:59:57,263 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 10 [2018-07-24 12:59:57,264 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:59:57,266 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 12:59:57,266 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 12:59:57,266 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-07-24 12:59:57,266 INFO L87 Difference]: Start difference. First operand 16530 states and 22610 transitions. Second operand 5 states. [2018-07-24 13:00:05,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 13:00:05,404 INFO L93 Difference]: Finished difference Result 41599 states and 58671 transitions. [2018-07-24 13:00:05,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 13:00:05,404 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1089 [2018-07-24 13:00:05,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 13:00:05,504 INFO L225 Difference]: With dead ends: 41599 [2018-07-24 13:00:05,504 INFO L226 Difference]: Without dead ends: 25075 [2018-07-24 13:00:05,556 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 2187 GetRequests, 2172 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2018-07-24 13:00:05,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25075 states. [2018-07-24 13:00:06,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25075 to 24929. [2018-07-24 13:00:06,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24929 states. [2018-07-24 13:00:06,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24929 states to 24929 states and 32717 transitions. [2018-07-24 13:00:06,059 INFO L78 Accepts]: Start accepts. Automaton has 24929 states and 32717 transitions. Word has length 1089 [2018-07-24 13:00:06,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 13:00:06,060 INFO L471 AbstractCegarLoop]: Abstraction has 24929 states and 32717 transitions. [2018-07-24 13:00:06,060 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 13:00:06,060 INFO L276 IsEmpty]: Start isEmpty. Operand 24929 states and 32717 transitions. [2018-07-24 13:00:06,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1111 [2018-07-24 13:00:06,137 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 13:00:06,138 INFO L353 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:00:06,138 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output4Err0AssertViolationERROR_FUNCTION]=== [2018-07-24 13:00:06,139 INFO L82 PathProgramCache]: Analyzing trace with hash 179232204, now seen corresponding path program 1 times [2018-07-24 13:00:06,139 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 13:00:06,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:00:06,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:00:06,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:00:06,140 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 13:00:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:00:07,519 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 320 proven. 103 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-07-24 13:00:07,520 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 13:00:07,520 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) [2018-07-24 13:00:07,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:00:07,530 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 13:00:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:00:07,981 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 13:00:08,845 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 301 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-07-24 13:00:08,846 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 13:00:09,759 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 301 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-07-24 13:00:09,782 INFO L309 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-07-24 13:00:09,783 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-07-24 13:00:09,783 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 13:00:09,784 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 13:00:09,784 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 13:00:09,784 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-07-24 13:00:09,785 INFO L87 Difference]: Start difference. First operand 24929 states and 32717 transitions. Second operand 3 states. [2018-07-24 13:00:15,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 13:00:15,338 INFO L93 Difference]: Finished difference Result 72045 states and 95792 transitions. [2018-07-24 13:00:15,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 13:00:15,342 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1110 [2018-07-24 13:00:15,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 13:00:15,471 INFO L225 Difference]: With dead ends: 72045 [2018-07-24 13:00:15,471 INFO L226 Difference]: Without dead ends: 47122 [2018-07-24 13:00:15,517 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 2225 GetRequests, 2215 SyntacticMatches, 5 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-07-24 13:00:15,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47122 states. [2018-07-24 13:00:16,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47122 to 47122. [2018-07-24 13:00:16,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47122 states. [2018-07-24 13:00:16,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47122 states to 47122 states and 59489 transitions. [2018-07-24 13:00:16,267 INFO L78 Accepts]: Start accepts. Automaton has 47122 states and 59489 transitions. Word has length 1110 [2018-07-24 13:00:16,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 13:00:16,268 INFO L471 AbstractCegarLoop]: Abstraction has 47122 states and 59489 transitions. [2018-07-24 13:00:16,268 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 13:00:16,269 INFO L276 IsEmpty]: Start isEmpty. Operand 47122 states and 59489 transitions. [2018-07-24 13:00:16,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1175 [2018-07-24 13:00:16,421 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 13:00:16,422 INFO L353 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:00:16,422 INFO L414 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output4Err0AssertViolationERROR_FUNCTION]=== [2018-07-24 13:00:16,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1224595402, now seen corresponding path program 1 times [2018-07-24 13:00:16,423 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 13:00:16,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:00:16,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:00:16,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:00:16,424 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 13:00:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:00:16,865 WARN L169 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-07-24 13:00:17,198 WARN L169 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-07-24 13:00:17,819 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 367 proven. 187 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-07-24 13:00:17,820 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 13:00:17,820 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 13:00:17,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:00:17,837 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 13:00:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:00:18,341 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 13:00:19,498 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 292 proven. 2 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2018-07-24 13:00:19,499 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 13:00:20,322 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 384 proven. 144 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-07-24 13:00:20,343 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 13:00:20,344 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 7 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 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 13:00:20,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:00:20,359 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 13:00:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:00:21,464 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 13:00:22,219 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 292 proven. 2 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2018-07-24 13:00:22,219 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 13:00:22,967 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 384 proven. 144 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-07-24 13:00:22,969 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 13:00:22,971 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5, 5, 5] total 18 [2018-07-24 13:00:22,971 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 13:00:22,972 INFO L450 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-07-24 13:00:22,973 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-07-24 13:00:22,973 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2018-07-24 13:00:22,973 INFO L87 Difference]: Start difference. First operand 47122 states and 59489 transitions. Second operand 14 states. [2018-07-24 13:01:07,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 13:01:07,760 INFO L93 Difference]: Finished difference Result 278648 states and 404547 transitions. [2018-07-24 13:01:07,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-07-24 13:01:07,761 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 1174 [2018-07-24 13:01:07,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 13:01:08,880 INFO L225 Difference]: With dead ends: 278648 [2018-07-24 13:01:08,881 INFO L226 Difference]: Without dead ends: 231532 [2018-07-24 13:01:09,053 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 4808 GetRequests, 4735 SyntacticMatches, 7 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1540 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=876, Invalid=3680, Unknown=0, NotChecked=0, Total=4556 [2018-07-24 13:01:09,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231532 states. [2018-07-24 13:01:13,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231532 to 228832. [2018-07-24 13:01:13,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228832 states. [2018-07-24 13:01:13,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228832 states to 228832 states and 291745 transitions. [2018-07-24 13:01:13,671 INFO L78 Accepts]: Start accepts. Automaton has 228832 states and 291745 transitions. Word has length 1174 [2018-07-24 13:01:13,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 13:01:13,671 INFO L471 AbstractCegarLoop]: Abstraction has 228832 states and 291745 transitions. [2018-07-24 13:01:13,671 INFO L472 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-07-24 13:01:13,672 INFO L276 IsEmpty]: Start isEmpty. Operand 228832 states and 291745 transitions. [2018-07-24 13:01:14,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2018-07-24 13:01:14,125 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 13:01:14,127 INFO L353 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:01:14,127 INFO L414 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output4Err0AssertViolationERROR_FUNCTION]=== [2018-07-24 13:01:14,128 INFO L82 PathProgramCache]: Analyzing trace with hash 876244618, now seen corresponding path program 1 times [2018-07-24 13:01:14,128 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 13:01:14,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:01:14,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:01:14,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 13:01:14,130 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 13:01:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:01:16,212 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 385 proven. 146 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-07-24 13:01:16,212 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 13:01:16,213 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 13:01:16,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:01:16,220 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 13:01:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:01:16,711 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 13:01:18,357 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 494 proven. 2 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2018-07-24 13:01:18,358 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 13:01:19,004 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 463 proven. 108 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-07-24 13:01:19,025 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 13:01:19,026 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 9 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 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 13:01:19,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 13:01:19,041 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 13:01:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 13:01:20,810 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 13:01:21,304 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 436 proven. 4 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2018-07-24 13:01:21,304 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 13:01:22,592 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 405 proven. 180 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-07-24 13:01:22,594 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 13:01:22,597 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 17 [2018-07-24 13:01:22,597 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 13:01:22,599 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-24 13:01:22,599 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-24 13:01:22,599 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2018-07-24 13:01:22,600 INFO L87 Difference]: Start difference. First operand 228832 states and 291745 transitions. Second operand 9 states. [2018-07-24 13:01:52,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 13:01:52,868 INFO L93 Difference]: Finished difference Result 733804 states and 978090 transitions. [2018-07-24 13:01:52,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-07-24 13:01:52,869 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1175 [2018-07-24 13:01:52,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 13:01:52,869 INFO L225 Difference]: With dead ends: 733804 [2018-07-24 13:01:52,869 INFO L226 Difference]: Without dead ends: 0 [2018-07-24 13:01:53,571 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 4742 GetRequests, 4706 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=257, Invalid=1075, Unknown=0, NotChecked=0, Total=1332 [2018-07-24 13:01:53,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-24 13:01:53,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-24 13:01:53,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-24 13:01:53,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-24 13:01:53,575 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1175 [2018-07-24 13:01:53,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 13:01:53,575 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-24 13:01:53,575 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-24 13:01:53,575 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-24 13:01:53,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-24 13:01:53,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-24 13:01:55,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:55,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:56,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:56,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:56,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:56,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:56,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:56,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:56,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:56,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:56,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:56,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:56,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:56,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:56,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:56,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:56,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:56,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:56,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:56,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:56,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:56,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:56,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:56,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:56,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:56,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:56,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:56,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:57,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:58,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:58,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:58,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:58,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:58,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:58,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:58,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:58,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:58,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:58,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:58,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:58,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:58,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:58,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:58,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:58,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:58,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:58,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:58,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:58,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:58,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:58,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:58,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:58,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:58,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:58,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:59,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:59,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:59,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:59,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:59,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:59,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:59,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:59,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:59,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:59,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:59,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:59,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:59,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:59,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:59,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:59,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:59,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:59,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:59,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:59,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:59,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:59,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:59,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:59,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:59,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:01:59,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:00,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:00,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:00,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:00,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:00,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:00,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:00,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:00,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:00,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:00,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:00,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:00,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:00,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:00,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:00,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:00,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:00,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:01,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:01,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:01,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:01,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:01,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:01,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:01,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:01,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:01,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:01,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:01,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:01,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:01,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:01,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:01,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:01,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:01,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:01,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:01,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:01,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:01,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:02,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:02,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:02,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:02,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:02,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:02,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:02,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:02,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:02,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:02,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:02,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:02,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:02,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:02,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:02,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:02,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:02,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:02,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:02,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:02,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:02,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:02,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:03,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:03,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:03,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:03,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:03,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:03,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:03,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:03,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:03,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:03,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:03,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:03,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:04,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:04,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:04,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:04,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:04,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:04,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:04,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:04,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:04,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:04,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:04,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:05,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:05,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:05,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:05,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:05,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:05,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:05,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:05,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:05,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:05,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:05,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:05,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:05,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:05,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:05,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:05,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:05,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:05,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:05,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:05,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:05,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:05,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:05,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:05,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:06,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:07,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:08,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:08,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:08,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:08,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:08,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:08,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:08,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:08,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:08,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:08,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:08,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:09,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:09,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:09,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:09,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:09,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:09,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:09,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:09,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:09,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:09,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:10,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:10,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:10,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:10,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:10,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:10,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:10,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:10,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:10,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:10,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:10,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:10,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:10,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:11,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:11,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:11,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:11,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:11,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:11,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:11,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:11,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:12,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:12,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:12,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:12,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:12,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:12,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:13,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:13,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:13,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:13,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:13,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:13,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:14,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:15,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:15,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:15,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-24 13:02:15,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. Received shutdown request... [2018-07-24 13:02:15,511 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction. Reason: Timeout or Toolchain cancelled by user [2018-07-24 13:02:15,513 INFO L168 Benchmark]: Toolchain (without parser) took 220864.17 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -951.0 MB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. [2018-07-24 13:02:15,514 INFO L168 Benchmark]: CDTParser took 0.22 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 13:02:15,515 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2408.47 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 224.6 MB). Peak memory consumption was 224.6 MB. Max. memory is 7.1 GB. [2018-07-24 13:02:15,515 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.25 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-24 13:02:15,516 INFO L168 Benchmark]: Boogie Preprocessor took 644.95 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 870.3 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 99.1 MB. Max. memory is 7.1 GB. [2018-07-24 13:02:15,517 INFO L168 Benchmark]: RCFGBuilder took 11492.26 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 148.4 MB). Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: -6.4 MB). Peak memory consumption was 714.5 MB. Max. memory is 7.1 GB. [2018-07-24 13:02:15,518 INFO L168 Benchmark]: TraceAbstraction took 206169.36 ms. Allocated memory was 2.6 GB in the beginning and 3.9 GB in the end (delta: 1.3 GB). Free memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: -49.8 MB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2018-07-24 13:02:15,523 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 2408.47 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 224.6 MB). Peak memory consumption was 224.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 134.25 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 644.95 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 870.3 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 99.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11492.26 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 148.4 MB). Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: -6.4 MB). Peak memory consumption was 714.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 206169.36 ms. Allocated memory was 2.6 GB in the beginning and 3.9 GB in the end (delta: 1.3 GB). Free memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: -49.8 MB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4736]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction) Toolchain cancelled while SimplifyDDAWithTimeout was simplifying term of DAG size 2573. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem04_label20_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_13-02-15-543.csv Completed graceful shutdown