java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label02_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-25 00:09:15,769 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-25 00:09:15,773 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-25 00:09:15,789 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-25 00:09:15,789 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-25 00:09:15,791 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-25 00:09:15,792 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-25 00:09:15,796 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-25 00:09:15,798 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-25 00:09:15,800 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-25 00:09:15,801 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-25 00:09:15,801 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-25 00:09:15,802 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-25 00:09:15,804 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-25 00:09:15,808 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-25 00:09:15,809 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-25 00:09:15,813 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-25 00:09:15,817 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-25 00:09:15,821 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-25 00:09:15,823 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-25 00:09:15,827 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-25 00:09:15,828 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-25 00:09:15,833 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-25 00:09:15,833 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-25 00:09:15,833 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-25 00:09:15,835 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-25 00:09:15,836 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-25 00:09:15,838 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-25 00:09:15,840 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-25 00:09:15,841 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-25 00:09:15,841 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-25 00:09:15,841 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-25 00:09:15,842 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-25 00:09:15,844 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-25 00:09:15,845 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-25 00:09:15,846 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-25 00:09:15,846 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-25 00:09:15,871 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-25 00:09:15,871 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-25 00:09:15,872 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-25 00:09:15,872 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-25 00:09:15,872 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-25 00:09:15,873 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-25 00:09:15,873 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-25 00:09:15,873 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-25 00:09:15,873 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-25 00:09:15,874 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-25 00:09:15,874 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-25 00:09:15,874 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-25 00:09:15,874 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-25 00:09:15,874 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-25 00:09:15,875 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-25 00:09:15,875 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-25 00:09:15,876 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-25 00:09:15,876 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-25 00:09:15,876 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-25 00:09:15,876 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-25 00:09:15,876 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-25 00:09:15,877 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-25 00:09:15,877 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-25 00:09:15,877 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-25 00:09:15,877 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-25 00:09:15,877 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-25 00:09:15,878 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 00:09:15,878 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-25 00:09:15,878 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-25 00:09:15,878 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-25 00:09:15,879 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-25 00:09:15,879 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-25 00:09:15,879 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-25 00:09:15,879 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-25 00:09:15,879 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-25 00:09:15,879 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-25 00:09:15,934 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-25 00:09:15,948 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-25 00:09:15,952 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-25 00:09:15,954 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-25 00:09:15,954 INFO L276 PluginConnector]: CDTParser initialized [2018-10-25 00:09:15,955 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label02_true-unreach-call.c [2018-10-25 00:09:16,023 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/52cfa47df/69dfaa87e4c64bbaab49ea14e1e9d6d8/FLAGdf27e0494 [2018-10-25 00:09:16,637 INFO L298 CDTParser]: Found 1 translation units. [2018-10-25 00:09:16,638 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label02_true-unreach-call.c [2018-10-25 00:09:16,660 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/52cfa47df/69dfaa87e4c64bbaab49ea14e1e9d6d8/FLAGdf27e0494 [2018-10-25 00:09:16,679 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/52cfa47df/69dfaa87e4c64bbaab49ea14e1e9d6d8 [2018-10-25 00:09:16,692 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-25 00:09:16,694 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-25 00:09:16,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-25 00:09:16,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-25 00:09:16,699 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-25 00:09:16,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:09:16" (1/1) ... [2018-10-25 00:09:16,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d8d5e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:09:16, skipping insertion in model container [2018-10-25 00:09:16,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:09:16" (1/1) ... [2018-10-25 00:09:16,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-25 00:09:16,802 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-25 00:09:17,588 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:09:17,594 INFO L189 MainTranslator]: Completed pre-run [2018-10-25 00:09:17,862 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:09:17,886 INFO L193 MainTranslator]: Completed translation [2018-10-25 00:09:17,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:09:17 WrapperNode [2018-10-25 00:09:17,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-25 00:09:17,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-25 00:09:17,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-25 00:09:17,888 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-25 00:09:17,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:09:17" (1/1) ... [2018-10-25 00:09:17,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:09:17" (1/1) ... [2018-10-25 00:09:18,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-25 00:09:18,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-25 00:09:18,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-25 00:09:18,197 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-25 00:09:18,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:09:17" (1/1) ... [2018-10-25 00:09:18,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:09:17" (1/1) ... [2018-10-25 00:09:18,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:09:17" (1/1) ... [2018-10-25 00:09:18,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:09:17" (1/1) ... [2018-10-25 00:09:18,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:09:17" (1/1) ... [2018-10-25 00:09:18,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:09:17" (1/1) ... [2018-10-25 00:09:18,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:09:17" (1/1) ... [2018-10-25 00:09:18,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-25 00:09:18,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-25 00:09:18,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-25 00:09:18,325 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-25 00:09:18,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:09:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 00:09:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-25 00:09:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-25 00:09:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-25 00:09:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-25 00:09:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-25 00:09:18,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-25 00:09:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-25 00:09:18,401 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-25 00:09:23,699 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-25 00:09:23,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:09:23 BoogieIcfgContainer [2018-10-25 00:09:23,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-25 00:09:23,701 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-25 00:09:23,701 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-25 00:09:23,704 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-25 00:09:23,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 12:09:16" (1/3) ... [2018-10-25 00:09:23,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d05e0f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:09:23, skipping insertion in model container [2018-10-25 00:09:23,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:09:17" (2/3) ... [2018-10-25 00:09:23,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d05e0f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:09:23, skipping insertion in model container [2018-10-25 00:09:23,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:09:23" (3/3) ... [2018-10-25 00:09:23,709 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label02_true-unreach-call.c [2018-10-25 00:09:23,719 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-25 00:09:23,729 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-25 00:09:23,749 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-25 00:09:23,801 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-25 00:09:23,801 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-25 00:09:23,801 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-25 00:09:23,801 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-25 00:09:23,802 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-25 00:09:23,802 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-25 00:09:23,802 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-25 00:09:23,802 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-25 00:09:23,831 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2018-10-25 00:09:23,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-10-25 00:09:23,851 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:09:23,852 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:09:23,854 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:09:23,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:09:23,861 INFO L82 PathProgramCache]: Analyzing trace with hash -598377940, now seen corresponding path program 1 times [2018-10-25 00:09:23,863 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:09:23,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:09:23,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:09:23,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:09:23,913 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:09:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:09:24,834 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 00:09:25,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:09:25,076 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:09:25,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-25 00:09:25,077 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:09:25,083 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:09:25,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:09:25,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:09:25,102 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 3 states. [2018-10-25 00:09:27,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:09:27,021 INFO L93 Difference]: Finished difference Result 838 states and 1479 transitions. [2018-10-25 00:09:27,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:09:27,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2018-10-25 00:09:27,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:09:27,046 INFO L225 Difference]: With dead ends: 838 [2018-10-25 00:09:27,046 INFO L226 Difference]: Without dead ends: 524 [2018-10-25 00:09:27,054 INFO L605 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 [2018-10-25 00:09:27,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2018-10-25 00:09:27,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 522. [2018-10-25 00:09:27,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 522 states. [2018-10-25 00:09:27,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 890 transitions. [2018-10-25 00:09:27,155 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 890 transitions. Word has length 211 [2018-10-25 00:09:27,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:09:27,156 INFO L481 AbstractCegarLoop]: Abstraction has 522 states and 890 transitions. [2018-10-25 00:09:27,157 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:09:27,157 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 890 transitions. [2018-10-25 00:09:27,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-25 00:09:27,167 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:09:27,167 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:09:27,168 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:09:27,168 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:09:27,168 INFO L82 PathProgramCache]: Analyzing trace with hash 500762469, now seen corresponding path program 1 times [2018-10-25 00:09:27,168 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:09:27,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:09:27,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:09:27,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:09:27,171 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:09:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:09:27,800 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:09:27,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:09:27,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 00:09:27,801 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:09:27,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:09:27,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:09:27,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 00:09:27,804 INFO L87 Difference]: Start difference. First operand 522 states and 890 transitions. Second operand 6 states. [2018-10-25 00:09:29,199 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-10-25 00:09:32,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:09:32,558 INFO L93 Difference]: Finished difference Result 1581 states and 2759 transitions. [2018-10-25 00:09:32,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-25 00:09:32,560 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 221 [2018-10-25 00:09:32,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:09:32,577 INFO L225 Difference]: With dead ends: 1581 [2018-10-25 00:09:32,577 INFO L226 Difference]: Without dead ends: 1065 [2018-10-25 00:09:32,587 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-25 00:09:32,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2018-10-25 00:09:32,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1023. [2018-10-25 00:09:32,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1023 states. [2018-10-25 00:09:32,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1733 transitions. [2018-10-25 00:09:32,670 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1733 transitions. Word has length 221 [2018-10-25 00:09:32,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:09:32,670 INFO L481 AbstractCegarLoop]: Abstraction has 1023 states and 1733 transitions. [2018-10-25 00:09:32,670 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:09:32,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1733 transitions. [2018-10-25 00:09:32,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-25 00:09:32,677 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:09:32,679 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-25 00:09:32,679 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:09:32,680 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:09:32,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1880963624, now seen corresponding path program 1 times [2018-10-25 00:09:32,681 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:09:32,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:09:32,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:09:32,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:09:32,682 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:09:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:09:33,063 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:09:33,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:09:33,064 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-25 00:09:33,064 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:09:33,065 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:09:33,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:09:33,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:09:33,065 INFO L87 Difference]: Start difference. First operand 1023 states and 1733 transitions. Second operand 3 states. [2018-10-25 00:09:35,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:09:35,768 INFO L93 Difference]: Finished difference Result 2901 states and 5098 transitions. [2018-10-25 00:09:35,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:09:35,770 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2018-10-25 00:09:35,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:09:35,788 INFO L225 Difference]: With dead ends: 2901 [2018-10-25 00:09:35,788 INFO L226 Difference]: Without dead ends: 1884 [2018-10-25 00:09:35,794 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:09:35,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1884 states. [2018-10-25 00:09:35,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1884 to 1864. [2018-10-25 00:09:35,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1864 states. [2018-10-25 00:09:35,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 1864 states and 3159 transitions. [2018-10-25 00:09:35,861 INFO L78 Accepts]: Start accepts. Automaton has 1864 states and 3159 transitions. Word has length 224 [2018-10-25 00:09:35,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:09:35,862 INFO L481 AbstractCegarLoop]: Abstraction has 1864 states and 3159 transitions. [2018-10-25 00:09:35,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:09:35,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1864 states and 3159 transitions. [2018-10-25 00:09:35,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-10-25 00:09:35,871 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:09:35,872 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2018-10-25 00:09:35,872 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:09:35,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:09:35,873 INFO L82 PathProgramCache]: Analyzing trace with hash 651322454, now seen corresponding path program 1 times [2018-10-25 00:09:35,873 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:09:35,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:09:35,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:09:35,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:09:35,874 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:09:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:09:36,134 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-25 00:09:36,134 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:09:36,134 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:09:36,135 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 233 with the following transitions: [2018-10-25 00:09:36,139 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [8], [12], [13], [16], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1049], [1057], [1065], [1073], [1081], [1089], [1097], [1105], [1113], [1121], [1129], [1137], [1145], [1149], [1151], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-10-25 00:09:36,199 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:09:36,200 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:09:37,505 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:09:37,507 INFO L272 AbstractInterpreter]: Visited 212 different actions 212 times. Never merged. Never widened. Never found a fixpoint. Largest state had 88 variables. [2018-10-25 00:09:37,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:09:37,552 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:09:38,637 INFO L232 lantSequenceWeakener]: Weakened 221 states. On average, predicates are now at 75.48% of their original sizes. [2018-10-25 00:09:38,638 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:09:39,321 INFO L413 sIntCurrentIteration]: We have 231 unified AI predicates [2018-10-25 00:09:39,321 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:09:39,322 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:09:39,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [5] total 23 [2018-10-25 00:09:39,323 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:09:39,323 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-10-25 00:09:39,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-10-25 00:09:39,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2018-10-25 00:09:39,324 INFO L87 Difference]: Start difference. First operand 1864 states and 3159 transitions. Second operand 20 states. [2018-10-25 00:11:04,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:11:04,217 INFO L93 Difference]: Finished difference Result 3932 states and 6645 transitions. [2018-10-25 00:11:04,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-25 00:11:04,217 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 232 [2018-10-25 00:11:04,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:11:04,229 INFO L225 Difference]: With dead ends: 3932 [2018-10-25 00:11:04,229 INFO L226 Difference]: Without dead ends: 2074 [2018-10-25 00:11:04,235 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 232 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=117, Invalid=303, Unknown=0, NotChecked=0, Total=420 [2018-10-25 00:11:04,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2074 states. [2018-10-25 00:11:04,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2074 to 2072. [2018-10-25 00:11:04,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2072 states. [2018-10-25 00:11:04,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 2072 states and 3376 transitions. [2018-10-25 00:11:04,292 INFO L78 Accepts]: Start accepts. Automaton has 2072 states and 3376 transitions. Word has length 232 [2018-10-25 00:11:04,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:11:04,293 INFO L481 AbstractCegarLoop]: Abstraction has 2072 states and 3376 transitions. [2018-10-25 00:11:04,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-10-25 00:11:04,293 INFO L276 IsEmpty]: Start isEmpty. Operand 2072 states and 3376 transitions. [2018-10-25 00:11:04,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-10-25 00:11:04,303 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:11:04,303 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:11:04,303 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:11:04,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:11:04,304 INFO L82 PathProgramCache]: Analyzing trace with hash 460537689, now seen corresponding path program 1 times [2018-10-25 00:11:04,304 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:11:04,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:11:04,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:11:04,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:11:04,306 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:11:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:11:04,649 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 34 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-25 00:11:04,650 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:11:04,650 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:11:04,650 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 245 with the following transitions: [2018-10-25 00:11:04,651 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [8], [12], [13], [16], [17], [21], [24], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1049], [1057], [1065], [1073], [1081], [1089], [1097], [1105], [1113], [1121], [1129], [1137], [1145], [1149], [1151], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-10-25 00:11:04,663 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:11:04,663 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:11:06,253 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:11:06,253 INFO L272 AbstractInterpreter]: Visited 216 different actions 426 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-10-25 00:11:06,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:11:06,284 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:11:07,709 INFO L232 lantSequenceWeakener]: Weakened 239 states. On average, predicates are now at 75.16% of their original sizes. [2018-10-25 00:11:07,709 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:11:08,424 INFO L413 sIntCurrentIteration]: We have 243 unified AI predicates [2018-10-25 00:11:08,424 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:11:08,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:11:08,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [27] imperfect sequences [5] total 30 [2018-10-25 00:11:08,425 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:11:08,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-10-25 00:11:08,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-10-25 00:11:08,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=580, Unknown=0, NotChecked=0, Total=702 [2018-10-25 00:11:08,427 INFO L87 Difference]: Start difference. First operand 2072 states and 3376 transitions. Second operand 27 states. [2018-10-25 00:12:21,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:12:21,431 INFO L93 Difference]: Finished difference Result 4144 states and 6896 transitions. [2018-10-25 00:12:21,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-25 00:12:21,431 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 244 [2018-10-25 00:12:21,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:12:21,443 INFO L225 Difference]: With dead ends: 4144 [2018-10-25 00:12:21,444 INFO L226 Difference]: Without dead ends: 2286 [2018-10-25 00:12:21,450 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 252 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=246, Invalid=1014, Unknown=0, NotChecked=0, Total=1260 [2018-10-25 00:12:21,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2286 states. [2018-10-25 00:12:21,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2286 to 2283. [2018-10-25 00:12:21,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2283 states. [2018-10-25 00:12:21,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2283 states to 2283 states and 3604 transitions. [2018-10-25 00:12:21,511 INFO L78 Accepts]: Start accepts. Automaton has 2283 states and 3604 transitions. Word has length 244 [2018-10-25 00:12:21,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:12:21,512 INFO L481 AbstractCegarLoop]: Abstraction has 2283 states and 3604 transitions. [2018-10-25 00:12:21,512 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-10-25 00:12:21,512 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 3604 transitions. [2018-10-25 00:12:21,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-10-25 00:12:21,521 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:12:21,522 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2018-10-25 00:12:21,522 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:12:21,522 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:12:21,523 INFO L82 PathProgramCache]: Analyzing trace with hash -1307188554, now seen corresponding path program 1 times [2018-10-25 00:12:21,523 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:12:21,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:12:21,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:12:21,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:12:21,524 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:12:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:12:22,015 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:12:22,016 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:12:22,016 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:12:22,016 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 244 with the following transitions: [2018-10-25 00:12:22,017 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [16], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1049], [1057], [1065], [1073], [1081], [1089], [1097], [1105], [1113], [1121], [1129], [1137], [1145], [1149], [1151], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-10-25 00:12:22,032 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:12:22,033 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:12:24,560 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:12:24,560 INFO L272 AbstractInterpreter]: Visited 215 different actions 423 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-10-25 00:12:24,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:12:24,602 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:12:27,565 INFO L232 lantSequenceWeakener]: Weakened 2 states. On average, predicates are now at 81.4% of their original sizes. [2018-10-25 00:12:27,565 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:12:35,566 INFO L413 sIntCurrentIteration]: We have 242 unified AI predicates [2018-10-25 00:12:35,566 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:12:35,567 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:12:35,567 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2018-10-25 00:12:35,567 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:12:35,567 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-25 00:12:35,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-25 00:12:35,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-10-25 00:12:35,568 INFO L87 Difference]: Start difference. First operand 2283 states and 3604 transitions. Second operand 13 states. [2018-10-25 00:13:13,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:13:13,155 INFO L93 Difference]: Finished difference Result 5531 states and 8985 transitions. [2018-10-25 00:13:13,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-25 00:13:13,155 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 243 [2018-10-25 00:13:13,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:13:13,174 INFO L225 Difference]: With dead ends: 5531 [2018-10-25 00:13:13,174 INFO L226 Difference]: Without dead ends: 3673 [2018-10-25 00:13:13,181 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 247 GetRequests, 98 SyntacticMatches, 133 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 677 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2018-10-25 00:13:13,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3673 states. [2018-10-25 00:13:13,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3673 to 3662. [2018-10-25 00:13:13,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3662 states. [2018-10-25 00:13:13,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3662 states to 3662 states and 5678 transitions. [2018-10-25 00:13:13,279 INFO L78 Accepts]: Start accepts. Automaton has 3662 states and 5678 transitions. Word has length 243 [2018-10-25 00:13:13,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:13:13,279 INFO L481 AbstractCegarLoop]: Abstraction has 3662 states and 5678 transitions. [2018-10-25 00:13:13,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-25 00:13:13,280 INFO L276 IsEmpty]: Start isEmpty. Operand 3662 states and 5678 transitions. [2018-10-25 00:13:13,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-10-25 00:13:13,295 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:13:13,296 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:13:13,296 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:13:13,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:13:13,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1731469988, now seen corresponding path program 1 times [2018-10-25 00:13:13,297 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:13:13,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:13:13,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:13:13,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:13:13,298 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:13:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:13:13,787 WARN L179 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 00:13:13,841 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-25 00:13:13,842 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:13:13,842 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:13:13,842 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 247 with the following transitions: [2018-10-25 00:13:13,842 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [16], [17], [21], [24], [25], [28], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1049], [1057], [1065], [1073], [1081], [1089], [1097], [1105], [1113], [1121], [1129], [1137], [1145], [1149], [1151], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-10-25 00:13:13,850 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:13:13,850 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:13:19,242 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:13:19,242 INFO L272 AbstractInterpreter]: Visited 217 different actions 646 times. Merged at 7 different actions 19 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 88 variables. [2018-10-25 00:13:19,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:13:19,251 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:13:19,251 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:13:19,252 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:13:19,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:13:19,261 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:13:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:13:19,502 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:13:19,907 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-25 00:13:19,907 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:13:20,622 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-25 00:13:20,644 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-10-25 00:13:20,644 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 10 [2018-10-25 00:13:20,645 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:13:20,645 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-25 00:13:20,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-25 00:13:20,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-10-25 00:13:20,646 INFO L87 Difference]: Start difference. First operand 3662 states and 5678 transitions. Second operand 5 states. [2018-10-25 00:13:22,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:13:22,281 INFO L93 Difference]: Finished difference Result 9080 states and 14958 transitions. [2018-10-25 00:13:22,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-25 00:13:22,286 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 246 [2018-10-25 00:13:22,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:13:22,320 INFO L225 Difference]: With dead ends: 9080 [2018-10-25 00:13:22,321 INFO L226 Difference]: Without dead ends: 6375 [2018-10-25 00:13:22,331 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 482 SyntacticMatches, 7 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-10-25 00:13:22,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6375 states. [2018-10-25 00:13:22,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6375 to 6366. [2018-10-25 00:13:22,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6366 states. [2018-10-25 00:13:22,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6366 states to 6366 states and 10316 transitions. [2018-10-25 00:13:22,528 INFO L78 Accepts]: Start accepts. Automaton has 6366 states and 10316 transitions. Word has length 246 [2018-10-25 00:13:22,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:13:22,528 INFO L481 AbstractCegarLoop]: Abstraction has 6366 states and 10316 transitions. [2018-10-25 00:13:22,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-25 00:13:22,529 INFO L276 IsEmpty]: Start isEmpty. Operand 6366 states and 10316 transitions. [2018-10-25 00:13:22,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-10-25 00:13:22,552 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:13:22,552 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:13:22,552 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:13:22,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:13:22,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1956908726, now seen corresponding path program 1 times [2018-10-25 00:13:22,553 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:13:22,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:13:22,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:13:22,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:13:22,555 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:13:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:13:23,207 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-25 00:13:23,207 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:13:23,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 00:13:23,208 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:13:23,208 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:13:23,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:13:23,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-10-25 00:13:23,209 INFO L87 Difference]: Start difference. First operand 6366 states and 10316 transitions. Second operand 6 states. Received shutdown request... [2018-10-25 00:13:24,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-25 00:13:24,303 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-25 00:13:24,311 WARN L205 ceAbstractionStarter]: Timeout [2018-10-25 00:13:24,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 12:13:24 BoogieIcfgContainer [2018-10-25 00:13:24,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-25 00:13:24,312 INFO L168 Benchmark]: Toolchain (without parser) took 247619.40 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 126.4 MB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2018-10-25 00:13:24,313 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-25 00:13:24,317 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1192.58 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-10-25 00:13:24,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 307.74 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 757.6 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -883.7 MB). Peak memory consumption was 40.3 MB. Max. memory is 7.1 GB. [2018-10-25 00:13:24,319 INFO L168 Benchmark]: Boogie Preprocessor took 128.53 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2018-10-25 00:13:24,320 INFO L168 Benchmark]: RCFGBuilder took 5374.95 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 256.0 MB). Peak memory consumption was 256.0 MB. Max. memory is 7.1 GB. [2018-10-25 00:13:24,328 INFO L168 Benchmark]: TraceAbstraction took 240610.44 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 1.3 GB in the end (delta: 655.9 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-10-25 00:13:24,334 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1192.58 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 307.74 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 757.6 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -883.7 MB). Peak memory consumption was 40.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.53 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5374.95 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 256.0 MB). Peak memory consumption was 256.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 240610.44 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 1.3 GB in the end (delta: 655.9 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1647]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1647). Cancelled while BasicCegarLoop was constructing difference of abstraction (6366states) and FLOYD_HOARE automaton (currently 4 states, 6 states before enhancement),while ReachableStatesComputation was computing reachable states (1502 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 312 locations, 1 error locations. TIMEOUT Result, 240.5s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 207.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1827 SDtfs, 8799 SDslu, 3224 SDs, 0 SdLazy, 15773 SolverSat, 1067 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 155.9s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1256 GetRequests, 1020 SyntacticMatches, 146 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1082 ImplicationChecksByTransitivity, 11.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6366occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 11.0s AbstIntTime, 4 AbstIntIterations, 3 AbstIntStrong, 0.9990850059888939 AbsIntWeakeningRatio, 0.28212290502793297 AbsIntAvgWeakeningVarsNumRemoved, 20.578212290502794 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 7 MinimizatonAttempts, 89 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 2126 NumberOfCodeBlocks, 2126 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2362 ConstructedInterpolants, 0 QuantifiedInterpolants, 1924055 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1230 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 333/353 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown