java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label16_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-07 13:21:36,819 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-07 13:21:36,821 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-07 13:21:36,835 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-07 13:21:36,835 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-07 13:21:36,836 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-07 13:21:36,838 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-07 13:21:36,839 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-07 13:21:36,841 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-07 13:21:36,842 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-07 13:21:36,843 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-07 13:21:36,843 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-07 13:21:36,844 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-07 13:21:36,845 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-07 13:21:36,846 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-07 13:21:36,847 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-07 13:21:36,848 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-07 13:21:36,850 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-07 13:21:36,852 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-07 13:21:36,853 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-07 13:21:36,854 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-07 13:21:36,855 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-07 13:21:36,858 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-08-07 13:21:36,858 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-08-07 13:21:36,859 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-08-07 13:21:36,859 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-08-07 13:21:36,864 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-08-07 13:21:36,865 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-08-07 13:21:36,866 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-08-07 13:21:36,867 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-08-07 13:21:36,867 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-08-07 13:21:36,868 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-08-07 13:21:36,868 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-08-07 13:21:36,868 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-08-07 13:21:36,874 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-08-07 13:21:36,875 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-08-07 13:21:36,876 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 [2018-08-07 13:21:36,895 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-07 13:21:36,895 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-07 13:21:36,896 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-07 13:21:36,896 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-07 13:21:36,896 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-07 13:21:36,897 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-07 13:21:36,897 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-07 13:21:36,897 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-08-07 13:21:36,897 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-07 13:21:36,897 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-07 13:21:36,898 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-07 13:21:36,898 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-07 13:21:36,898 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-07 13:21:36,899 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-07 13:21:36,899 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-07 13:21:36,899 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-07 13:21:36,899 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-07 13:21:36,899 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-07 13:21:36,900 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-07 13:21:36,900 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-07 13:21:36,900 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-07 13:21:36,900 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-07 13:21:36,900 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-07 13:21:36,901 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-07 13:21:36,901 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-07 13:21:36,901 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-07 13:21:36,901 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-07 13:21:36,901 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-08-07 13:21:36,902 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-07 13:21:36,902 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-07 13:21:36,902 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-07 13:21:36,902 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-07 13:21:36,902 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-07 13:21:36,946 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-07 13:21:36,959 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-07 13:21:36,962 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-07 13:21:36,964 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-07 13:21:36,964 INFO L276 PluginConnector]: CDTParser initialized [2018-08-07 13:21:36,965 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label16_true-unreach-call.c [2018-08-07 13:21:37,320 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ef3a7048/d23db2056bf64793b2dd7bf763811a43/FLAG68c47039f [2018-08-07 13:21:37,894 INFO L276 CDTParser]: Found 1 translation units. [2018-08-07 13:21:37,896 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label16_true-unreach-call.c [2018-08-07 13:21:37,947 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ef3a7048/d23db2056bf64793b2dd7bf763811a43/FLAG68c47039f [2018-08-07 13:21:37,970 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ef3a7048/d23db2056bf64793b2dd7bf763811a43 [2018-08-07 13:21:37,984 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-07 13:21:37,988 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-07 13:21:37,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-07 13:21:37,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-07 13:21:38,001 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-07 13:21:38,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 01:21:37" (1/1) ... [2018-08-07 13:21:38,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@84d7437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:21:38, skipping insertion in model container [2018-08-07 13:21:38,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 01:21:37" (1/1) ... [2018-08-07 13:21:38,434 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-07 13:21:40,017 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-07 13:21:40,041 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-07 13:21:41,331 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-07 13:21:42,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:21:42 WrapperNode [2018-08-07 13:21:42,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-07 13:21:42,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-07 13:21:42,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-07 13:21:42,184 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-07 13:21:42,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:21:42" (1/1) ... [2018-08-07 13:21:42,378 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:21:42" (1/1) ... [2018-08-07 13:21:42,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-07 13:21:42,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-07 13:21:42,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-07 13:21:42,538 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-07 13:21:43,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:21:42" (1/1) ... [2018-08-07 13:21:43,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:21:42" (1/1) ... [2018-08-07 13:21:43,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:21:42" (1/1) ... [2018-08-07 13:21:43,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:21:42" (1/1) ... [2018-08-07 13:21:44,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:21:42" (1/1) ... [2018-08-07 13:21:44,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:21:42" (1/1) ... [2018-08-07 13:21:44,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:21:42" (1/1) ... [2018-08-07 13:21:44,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-07 13:21:44,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-07 13:21:44,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-07 13:21:44,431 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-07 13:21:44,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:21:42" (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 [2018-08-07 13:21:44,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-07 13:21:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-07 13:21:44,511 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5 [2018-08-07 13:21:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5 [2018-08-07 13:21:44,511 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-08-07 13:21:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-08-07 13:21:44,512 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output6 [2018-08-07 13:21:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output6 [2018-08-07 13:21:44,512 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output3 [2018-08-07 13:21:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output3 [2018-08-07 13:21:44,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-07 13:21:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-07 13:21:44,513 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4 [2018-08-07 13:21:44,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4 [2018-08-07 13:21:44,515 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-07 13:21:44,515 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-07 13:21:44,515 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-08-07 13:21:44,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-08-07 13:22:05,958 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-07 13:22:05,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 01:22:05 BoogieIcfgContainer [2018-08-07 13:22:05,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-07 13:22:05,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-07 13:22:05,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-07 13:22:05,963 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-07 13:22:05,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 01:21:37" (1/3) ... [2018-08-07 13:22:05,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@635df8a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 01:22:05, skipping insertion in model container [2018-08-07 13:22:05,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:21:42" (2/3) ... [2018-08-07 13:22:05,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@635df8a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 01:22:05, skipping insertion in model container [2018-08-07 13:22:05,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 01:22:05" (3/3) ... [2018-08-07 13:22:05,967 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label16_true-unreach-call.c [2018-08-07 13:22:05,977 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-07 13:22:05,986 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-07 13:22:06,063 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-07 13:22:06,064 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-07 13:22:06,064 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-07 13:22:06,064 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-07 13:22:06,064 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-07 13:22:06,064 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-07 13:22:06,064 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-07 13:22:06,064 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-07 13:22:06,065 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-07 13:22:06,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-08-07 13:22:06,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-08-07 13:22:06,147 INFO L368 BasicCegarLoop]: Found error trace [2018-08-07 13:22:06,148 INFO L376 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] [2018-08-07 13:22:06,150 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-07 13:22:06,155 INFO L82 PathProgramCache]: Analyzing trace with hash -162601090, now seen corresponding path program 1 times [2018-08-07 13:22:06,157 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-08-07 13:22:06,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:22:06,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 13:22:06,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:22:06,210 INFO L292 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-08-07 13:22:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 13:22:06,706 WARN L170 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-08-07 13:22:06,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-08-07 13:22:06,782 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-07 13:22:06,783 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-08-07 13:22:06,783 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-07 13:22:06,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-08-07 13:22:06,806 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-08-07 13:22:06,806 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-08-07 13:22:06,809 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-08-07 13:22:24,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-07 13:22:24,112 INFO L93 Difference]: Finished difference Result 4995 states and 9413 transitions. [2018-08-07 13:22:24,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-08-07 13:22:24,114 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-08-07 13:22:24,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-07 13:22:24,163 INFO L225 Difference]: With dead ends: 4995 [2018-08-07 13:22:24,163 INFO L226 Difference]: Without dead ends: 3215 [2018-08-07 13:22:24,180 INFO L603 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-08-07 13:22:24,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3215 states. [2018-08-07 13:22:24,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3215 to 3213. [2018-08-07 13:22:24,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3213 states. [2018-08-07 13:22:24,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 3213 states and 5833 transitions. [2018-08-07 13:22:24,401 INFO L78 Accepts]: Start accepts. Automaton has 3213 states and 5833 transitions. Word has length 60 [2018-08-07 13:22:24,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-07 13:22:24,402 INFO L480 AbstractCegarLoop]: Abstraction has 3213 states and 5833 transitions. [2018-08-07 13:22:24,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-08-07 13:22:24,403 INFO L276 IsEmpty]: Start isEmpty. Operand 3213 states and 5833 transitions. [2018-08-07 13:22:24,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-08-07 13:22:24,411 INFO L368 BasicCegarLoop]: Found error trace [2018-08-07 13:22:24,412 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-07 13:22:24,412 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-07 13:22:24,413 INFO L82 PathProgramCache]: Analyzing trace with hash -34322975, now seen corresponding path program 1 times [2018-08-07 13:22:24,413 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-08-07 13:22:24,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:22:24,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 13:22:24,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:22:24,416 INFO L292 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-08-07 13:22:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 13:22:24,984 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-08-07 13:22:24,984 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-07 13:22:24,984 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-08-07 13:22:24,985 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-07 13:22:24,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-08-07 13:22:24,988 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-08-07 13:22:24,988 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-08-07 13:22:24,988 INFO L87 Difference]: Start difference. First operand 3213 states and 5833 transitions. Second operand 6 states. [2018-08-07 13:23:08,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-07 13:23:08,450 INFO L93 Difference]: Finished difference Result 9717 states and 17679 transitions. [2018-08-07 13:23:08,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-08-07 13:23:08,452 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-08-07 13:23:08,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-07 13:23:08,490 INFO L225 Difference]: With dead ends: 9717 [2018-08-07 13:23:08,491 INFO L226 Difference]: Without dead ends: 6510 [2018-08-07 13:23:08,502 INFO L603 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-08-07 13:23:08,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6510 states. [2018-08-07 13:23:08,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6510 to 6349. [2018-08-07 13:23:08,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6349 states. [2018-08-07 13:23:08,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6349 states to 6349 states and 9904 transitions. [2018-08-07 13:23:08,690 INFO L78 Accepts]: Start accepts. Automaton has 6349 states and 9904 transitions. Word has length 134 [2018-08-07 13:23:08,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-07 13:23:08,690 INFO L480 AbstractCegarLoop]: Abstraction has 6349 states and 9904 transitions. [2018-08-07 13:23:08,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-08-07 13:23:08,691 INFO L276 IsEmpty]: Start isEmpty. Operand 6349 states and 9904 transitions. [2018-08-07 13:23:08,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-08-07 13:23:08,703 INFO L368 BasicCegarLoop]: Found error trace [2018-08-07 13:23:08,704 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-07 13:23:08,704 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-07 13:23:08,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1199285861, now seen corresponding path program 1 times [2018-08-07 13:23:08,707 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-08-07 13:23:08,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:23:08,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 13:23:08,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:23:08,708 INFO L292 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-08-07 13:23:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 13:23:09,043 WARN L170 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-08-07 13:23:09,173 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-08-07 13:23:09,174 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-07 13:23:09,174 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-08-07 13:23:09,174 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-07 13:23:09,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-08-07 13:23:09,175 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-08-07 13:23:09,175 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-08-07 13:23:09,176 INFO L87 Difference]: Start difference. First operand 6349 states and 9904 transitions. Second operand 6 states. [2018-08-07 13:23:27,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-07 13:23:27,773 INFO L93 Difference]: Finished difference Result 15878 states and 24898 transitions. [2018-08-07 13:23:27,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-08-07 13:23:27,777 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-08-07 13:23:27,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-07 13:23:27,833 INFO L225 Difference]: With dead ends: 15878 [2018-08-07 13:23:27,833 INFO L226 Difference]: Without dead ends: 9535 [2018-08-07 13:23:27,855 INFO L603 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-08-07 13:23:27,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9535 states. [2018-08-07 13:23:28,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9535 to 9405. [2018-08-07 13:23:28,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9405 states. [2018-08-07 13:23:28,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9405 states to 9405 states and 13925 transitions. [2018-08-07 13:23:28,098 INFO L78 Accepts]: Start accepts. Automaton has 9405 states and 13925 transitions. Word has length 139 [2018-08-07 13:23:28,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-07 13:23:28,099 INFO L480 AbstractCegarLoop]: Abstraction has 9405 states and 13925 transitions. [2018-08-07 13:23:28,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-08-07 13:23:28,099 INFO L276 IsEmpty]: Start isEmpty. Operand 9405 states and 13925 transitions. [2018-08-07 13:23:28,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-08-07 13:23:28,104 INFO L368 BasicCegarLoop]: Found error trace [2018-08-07 13:23:28,104 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-07 13:23:28,105 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-07 13:23:28,105 INFO L82 PathProgramCache]: Analyzing trace with hash -182904623, now seen corresponding path program 1 times [2018-08-07 13:23:28,105 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-08-07 13:23:28,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:23:28,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 13:23:28,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:23:28,107 INFO L292 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-08-07 13:23:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 13:23:28,303 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-08-07 13:23:28,303 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-07 13:23:28,304 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-08-07 13:23:28,304 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-07 13:23:28,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-08-07 13:23:28,304 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-08-07 13:23:28,305 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-08-07 13:23:28,305 INFO L87 Difference]: Start difference. First operand 9405 states and 13925 transitions. Second operand 5 states. [2018-08-07 13:23:52,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-07 13:23:52,403 INFO L93 Difference]: Finished difference Result 28381 states and 42638 transitions. [2018-08-07 13:23:52,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-08-07 13:23:52,404 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2018-08-07 13:23:52,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-07 13:23:52,486 INFO L225 Difference]: With dead ends: 28381 [2018-08-07 13:23:52,486 INFO L226 Difference]: Without dead ends: 18982 [2018-08-07 13:23:52,518 INFO L603 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-08-07 13:23:52,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18982 states. [2018-08-07 13:23:52,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18982 to 18652. [2018-08-07 13:23:52,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18652 states. [2018-08-07 13:23:52,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18652 states to 18652 states and 26515 transitions. [2018-08-07 13:23:52,944 INFO L78 Accepts]: Start accepts. Automaton has 18652 states and 26515 transitions. Word has length 142 [2018-08-07 13:23:52,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-07 13:23:52,944 INFO L480 AbstractCegarLoop]: Abstraction has 18652 states and 26515 transitions. [2018-08-07 13:23:52,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-08-07 13:23:52,945 INFO L276 IsEmpty]: Start isEmpty. Operand 18652 states and 26515 transitions. [2018-08-07 13:23:52,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-08-07 13:23:52,946 INFO L368 BasicCegarLoop]: Found error trace [2018-08-07 13:23:52,947 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-07 13:23:52,947 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-07 13:23:52,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1082405199, now seen corresponding path program 1 times [2018-08-07 13:23:52,947 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-08-07 13:23:52,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:23:52,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 13:23:52,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:23:52,949 INFO L292 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-08-07 13:23:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 13:23:53,434 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-08-07 13:23:53,435 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-07 13:23:53,435 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-08-07 13:23:53,435 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-07 13:23:53,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-08-07 13:23:53,436 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-08-07 13:23:53,436 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-08-07 13:23:53,436 INFO L87 Difference]: Start difference. First operand 18652 states and 26515 transitions. Second operand 6 states. [2018-08-07 13:24:47,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-07 13:24:47,410 INFO L93 Difference]: Finished difference Result 72563 states and 113005 transitions. [2018-08-07 13:24:47,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-08-07 13:24:47,411 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 169 [2018-08-07 13:24:47,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-07 13:24:47,923 INFO L225 Difference]: With dead ends: 72563 [2018-08-07 13:24:47,923 INFO L226 Difference]: Without dead ends: 53917 [2018-08-07 13:24:47,997 INFO L603 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-08-07 13:24:48,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53917 states. [2018-08-07 13:24:48,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53917 to 53591. [2018-08-07 13:24:48,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53591 states. [2018-08-07 13:24:49,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53591 states to 53591 states and 73604 transitions. [2018-08-07 13:24:49,146 INFO L78 Accepts]: Start accepts. Automaton has 53591 states and 73604 transitions. Word has length 169 [2018-08-07 13:24:49,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-07 13:24:49,146 INFO L480 AbstractCegarLoop]: Abstraction has 53591 states and 73604 transitions. [2018-08-07 13:24:49,147 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-08-07 13:24:49,147 INFO L276 IsEmpty]: Start isEmpty. Operand 53591 states and 73604 transitions. [2018-08-07 13:24:49,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 947 [2018-08-07 13:24:49,183 INFO L368 BasicCegarLoop]: Found error trace [2018-08-07 13:24:49,184 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-08-07 13:24:49,185 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-07 13:24:49,185 INFO L82 PathProgramCache]: Analyzing trace with hash -314449235, now seen corresponding path program 1 times [2018-08-07 13:24:49,185 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-08-07 13:24:49,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:24:49,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 13:24:49,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:24:49,187 INFO L292 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-08-07 13:24:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 13:24:50,475 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 374 proven. 78 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-08-07 13:24:50,475 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-08-07 13:24:50,476 INFO L194 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 [2018-08-07 13:24:50,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 13:24:50,493 INFO L292 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-08-07 13:24:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 13:24:50,919 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-08-07 13:24:52,418 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 473 proven. 2 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-08-07 13:24:52,419 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-08-07 13:24:53,542 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 374 proven. 78 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-08-07 13:24:53,564 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-08-07 13:24:53,564 INFO L194 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 [2018-08-07 13:24:53,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 13:24:53,580 INFO L292 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-08-07 13:24:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 13:24:54,288 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-08-07 13:24:55,158 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 473 proven. 2 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-08-07 13:24:55,159 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-08-07 13:24:55,702 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 374 proven. 78 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-08-07 13:24:55,704 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-08-07 13:24:55,705 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 16 [2018-08-07 13:24:55,706 INFO L255 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-08-07 13:24:55,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-08-07 13:24:55,709 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-08-07 13:24:55,709 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2018-08-07 13:24:55,709 INFO L87 Difference]: Start difference. First operand 53591 states and 73604 transitions. Second operand 9 states. [2018-08-07 13:25:35,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-07 13:25:35,267 INFO L93 Difference]: Finished difference Result 144280 states and 220546 transitions. [2018-08-07 13:25:35,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-08-07 13:25:35,268 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 946 [2018-08-07 13:25:35,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-07 13:25:35,823 INFO L225 Difference]: With dead ends: 144280 [2018-08-07 13:25:35,824 INFO L226 Difference]: Without dead ends: 90664 [2018-08-07 13:25:36,165 INFO L603 BasicCegarLoop]: 0 DeclaredPredicates, 3802 GetRequests, 3780 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2018-08-07 13:25:36,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90664 states. Received shutdown request... [2018-08-07 13:25:37,221 WARN L549 AbstractCegarLoop]: Verification canceled [2018-08-07 13:25:37,225 WARN L202 ceAbstractionStarter]: Timeout [2018-08-07 13:25:37,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 01:25:37 BoogieIcfgContainer [2018-08-07 13:25:37,226 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-07 13:25:37,227 INFO L168 Benchmark]: Toolchain (without parser) took 239242.00 ms. Allocated memory was 1.6 GB in the beginning and 4.0 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -512.1 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-08-07 13:25:37,229 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-08-07 13:25:37,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4193.17 ms. Allocated memory was 1.6 GB in the beginning and 1.8 GB in the end (delta: 223.3 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -147.7 MB). Peak memory consumption was 484.0 MB. Max. memory is 7.1 GB. [2018-08-07 13:25:37,232 INFO L168 Benchmark]: Boogie Procedure Inliner took 354.49 ms. Allocated memory is still 1.8 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 63.9 MB). Peak memory consumption was 63.9 MB. Max. memory is 7.1 GB. [2018-08-07 13:25:37,233 INFO L168 Benchmark]: Boogie Preprocessor took 1892.78 ms. Allocated memory was 1.8 GB in the beginning and 2.6 GB in the end (delta: 866.6 MB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -873.3 MB). Peak memory consumption was 127.1 MB. Max. memory is 7.1 GB. [2018-08-07 13:25:37,234 INFO L168 Benchmark]: RCFGBuilder took 21528.00 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 287.8 MB). Free memory was 2.4 GB in the beginning and 2.2 GB in the end (delta: 219.7 MB). Peak memory consumption was 999.3 MB. Max. memory is 7.1 GB. [2018-08-07 13:25:37,235 INFO L168 Benchmark]: TraceAbstraction took 211266.21 ms. Allocated memory was 2.9 GB in the beginning and 4.0 GB in the end (delta: 1.0 GB). Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 225.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-08-07 13:25:37,243 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 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4193.17 ms. Allocated memory was 1.6 GB in the beginning and 1.8 GB in the end (delta: 223.3 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -147.7 MB). Peak memory consumption was 484.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 354.49 ms. Allocated memory is still 1.8 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 63.9 MB). Peak memory consumption was 63.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1892.78 ms. Allocated memory was 1.8 GB in the beginning and 2.6 GB in the end (delta: 866.6 MB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -873.3 MB). Peak memory consumption was 127.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 21528.00 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 287.8 MB). Free memory was 2.4 GB in the beginning and 2.2 GB in the end (delta: 219.7 MB). Peak memory consumption was 999.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 211266.21 ms. Allocated memory was 2.9 GB in the beginning and 4.0 GB in the end (delta: 1.0 GB). Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 225.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 175]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 175). Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 211.1s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 198.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3388 SDtfs, 43657 SDslu, 4866 SDs, 0 SdLazy, 65080 SolverSat, 16767 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 175.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3848 GetRequests, 3793 SyntacticMatches, 4 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53591occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 949 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 3482 NumberOfCodeBlocks, 3482 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 5364 ConstructedInterpolants, 0 QuantifiedInterpolants, 7697420 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2496 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 2619/2857 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label16_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-07_13-25-37-271.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label16_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-07_13-25-37-271.csv Completed graceful shutdown