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.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label46_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-24 02:27:28,692 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 02:27:28,694 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 02:27:28,706 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 02:27:28,707 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 02:27:28,708 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 02:27:28,709 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 02:27:28,710 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 02:27:28,712 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 02:27:28,713 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 02:27:28,714 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 02:27:28,714 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 02:27:28,715 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 02:27:28,716 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 02:27:28,717 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 02:27:28,718 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 02:27:28,719 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 02:27:28,721 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 02:27:28,726 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 02:27:28,727 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 02:27:28,729 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 02:27:28,733 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 02:27:28,739 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 02:27:28,739 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 02:27:28,739 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 02:27:28,740 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 02:27:28,744 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 02:27:28,745 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 02:27:28,746 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 02:27:28,749 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 02:27:28,750 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 02:27:28,750 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 02:27:28,750 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 02:27:28,751 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 02:27:28,752 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 02:27:28,755 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 02:27:28,755 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 02:27:28,782 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 02:27:28,782 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 02:27:28,783 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 02:27:28,783 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 02:27:28,783 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 02:27:28,783 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 02:27:28,784 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 02:27:28,785 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 02:27:28,785 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 02:27:28,785 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 02:27:28,785 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 02:27:28,785 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 02:27:28,786 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 02:27:28,786 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 02:27:28,787 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 02:27:28,787 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 02:27:28,787 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 02:27:28,787 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 02:27:28,787 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 02:27:28,787 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 02:27:28,788 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 02:27:28,788 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 02:27:28,788 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 02:27:28,788 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 02:27:28,788 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 02:27:28,789 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 02:27:28,791 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 02:27:28,791 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 02:27:28,791 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 02:27:28,791 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 02:27:28,791 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 02:27:28,792 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 02:27:28,792 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 02:27:28,792 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 02:27:28,858 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 02:27:28,873 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 02:27:28,877 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 02:27:28,878 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 02:27:28,879 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 02:27:28,879 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label46_true-unreach-call.c [2018-10-24 02:27:28,944 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ea50ca90c/0a4fccc51662461cb53cbb14752353f4/FLAG06ea34125 [2018-10-24 02:27:29,784 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 02:27:29,784 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label46_true-unreach-call.c [2018-10-24 02:27:29,829 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ea50ca90c/0a4fccc51662461cb53cbb14752353f4/FLAG06ea34125 [2018-10-24 02:27:29,848 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ea50ca90c/0a4fccc51662461cb53cbb14752353f4 [2018-10-24 02:27:29,861 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 02:27:29,863 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 02:27:29,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 02:27:29,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 02:27:29,873 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 02:27:29,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:27:29" (1/1) ... [2018-10-24 02:27:29,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3461d56f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:27:29, skipping insertion in model container [2018-10-24 02:27:29,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:27:29" (1/1) ... [2018-10-24 02:27:29,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 02:27:30,158 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 02:27:31,988 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 02:27:31,996 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 02:27:33,130 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 02:27:33,185 INFO L193 MainTranslator]: Completed translation [2018-10-24 02:27:33,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:27:33 WrapperNode [2018-10-24 02:27:33,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 02:27:33,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 02:27:33,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 02:27:33,187 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 02:27:33,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:27:33" (1/1) ... [2018-10-24 02:27:33,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:27:33" (1/1) ... [2018-10-24 02:27:33,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 02:27:33,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 02:27:33,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 02:27:33,906 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 02:27:33,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:27:33" (1/1) ... [2018-10-24 02:27:33,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:27:33" (1/1) ... [2018-10-24 02:27:33,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:27:33" (1/1) ... [2018-10-24 02:27:33,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:27:33" (1/1) ... [2018-10-24 02:27:34,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:27:33" (1/1) ... [2018-10-24 02:27:34,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:27:33" (1/1) ... [2018-10-24 02:27:34,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:27:33" (1/1) ... [2018-10-24 02:27:34,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 02:27:34,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 02:27:34,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 02:27:34,358 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 02:27:34,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:27:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 02:27:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 02:27:34,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 02:27:34,432 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-10-24 02:27:34,432 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-10-24 02:27:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-10-24 02:27:34,433 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-10-24 02:27:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 02:27:34,433 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 02:27:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 02:27:34,433 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 02:27:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 02:27:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 02:27:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 02:27:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 02:27:34,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 02:27:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 02:27:34,435 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 02:27:34,436 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 02:27:51,706 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 02:27:51,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:27:51 BoogieIcfgContainer [2018-10-24 02:27:51,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 02:27:51,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 02:27:51,708 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 02:27:51,712 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 02:27:51,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:27:29" (1/3) ... [2018-10-24 02:27:51,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71191ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:27:51, skipping insertion in model container [2018-10-24 02:27:51,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:27:33" (2/3) ... [2018-10-24 02:27:51,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71191ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:27:51, skipping insertion in model container [2018-10-24 02:27:51,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:27:51" (3/3) ... [2018-10-24 02:27:51,716 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label46_true-unreach-call.c [2018-10-24 02:27:51,727 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 02:27:51,738 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 02:27:51,757 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 02:27:51,810 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 02:27:51,810 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 02:27:51,810 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 02:27:51,811 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 02:27:51,811 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 02:27:51,811 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 02:27:51,811 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 02:27:51,811 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 02:27:51,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-10-24 02:27:51,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-24 02:27:51,885 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:27:51,886 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] [2018-10-24 02:27:51,890 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:27:51,897 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:27:51,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1162017062, now seen corresponding path program 1 times [2018-10-24 02:27:51,901 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:27:51,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:27:51,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:27:51,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:27:51,962 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:27:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:27:52,424 WARN L179 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 02:27:52,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:27:52,545 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 02:27:52,546 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 02:27:52,546 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:27:52,552 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 02:27:52,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 02:27:52,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 02:27:52,592 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-10-24 02:28:10,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 02:28:10,366 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-10-24 02:28:10,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 02:28:10,374 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-10-24 02:28:10,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 02:28:10,431 INFO L225 Difference]: With dead ends: 4998 [2018-10-24 02:28:10,432 INFO L226 Difference]: Without dead ends: 3218 [2018-10-24 02:28:10,448 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 [2018-10-24 02:28:10,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-10-24 02:28:10,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-10-24 02:28:10,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-10-24 02:28:10,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-10-24 02:28:10,672 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 39 [2018-10-24 02:28:10,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 02:28:10,673 INFO L481 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-10-24 02:28:10,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 02:28:10,674 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-10-24 02:28:10,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-24 02:28:10,685 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:28:10,689 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 02:28:10,689 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:28:10,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:28:10,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1856451076, now seen corresponding path program 1 times [2018-10-24 02:28:10,690 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:28:10,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:28:10,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:28:10,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:28:10,693 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:28:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:28:11,080 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 02:28:11,467 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:28:11,468 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 02:28:11,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 02:28:11,468 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:28:11,470 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 02:28:11,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 02:28:11,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 02:28:11,471 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-10-24 02:28:38,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 02:28:38,491 INFO L93 Difference]: Finished difference Result 9340 states and 16946 transitions. [2018-10-24 02:28:38,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 02:28:38,501 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 111 [2018-10-24 02:28:38,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 02:28:38,539 INFO L225 Difference]: With dead ends: 9340 [2018-10-24 02:28:38,539 INFO L226 Difference]: Without dead ends: 6131 [2018-10-24 02:28:38,550 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 02:28:38,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6131 states. [2018-10-24 02:28:38,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6131 to 6091. [2018-10-24 02:28:38,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6091 states. [2018-10-24 02:28:38,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6091 states to 6091 states and 9637 transitions. [2018-10-24 02:28:38,739 INFO L78 Accepts]: Start accepts. Automaton has 6091 states and 9637 transitions. Word has length 111 [2018-10-24 02:28:38,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 02:28:38,740 INFO L481 AbstractCegarLoop]: Abstraction has 6091 states and 9637 transitions. [2018-10-24 02:28:38,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 02:28:38,740 INFO L276 IsEmpty]: Start isEmpty. Operand 6091 states and 9637 transitions. [2018-10-24 02:28:38,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-24 02:28:38,748 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:28:38,748 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 02:28:38,748 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:28:38,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:28:38,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1738587407, now seen corresponding path program 1 times [2018-10-24 02:28:38,749 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:28:38,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:28:38,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:28:38,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:28:38,751 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:28:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:28:39,139 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:28:39,139 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 02:28:39,139 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 02:28:39,140 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:28:39,140 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 02:28:39,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 02:28:39,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 02:28:39,141 INFO L87 Difference]: Start difference. First operand 6091 states and 9637 transitions. Second operand 6 states. [2018-10-24 02:29:04,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 02:29:04,429 INFO L93 Difference]: Finished difference Result 21103 states and 34241 transitions. [2018-10-24 02:29:04,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 02:29:04,432 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-10-24 02:29:04,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 02:29:04,496 INFO L225 Difference]: With dead ends: 21103 [2018-10-24 02:29:04,497 INFO L226 Difference]: Without dead ends: 15018 [2018-10-24 02:29:04,521 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 02:29:04,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15018 states. [2018-10-24 02:29:04,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15018 to 14826. [2018-10-24 02:29:04,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14826 states. [2018-10-24 02:29:04,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14826 states to 14826 states and 22435 transitions. [2018-10-24 02:29:04,896 INFO L78 Accepts]: Start accepts. Automaton has 14826 states and 22435 transitions. Word has length 113 [2018-10-24 02:29:04,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 02:29:04,896 INFO L481 AbstractCegarLoop]: Abstraction has 14826 states and 22435 transitions. [2018-10-24 02:29:04,896 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 02:29:04,897 INFO L276 IsEmpty]: Start isEmpty. Operand 14826 states and 22435 transitions. [2018-10-24 02:29:04,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-24 02:29:04,906 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:29:04,907 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 02:29:04,907 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:29:04,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:29:04,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1196319888, now seen corresponding path program 1 times [2018-10-24 02:29:04,908 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:29:04,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:29:04,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:29:04,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:29:04,909 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:29:04,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:29:05,287 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:29:05,287 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 02:29:05,288 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 02:29:05,288 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:29:05,288 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 02:29:05,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 02:29:05,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-24 02:29:05,289 INFO L87 Difference]: Start difference. First operand 14826 states and 22435 transitions. Second operand 6 states. [2018-10-24 02:29:51,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 02:29:51,506 INFO L93 Difference]: Finished difference Result 58701 states and 93402 transitions. [2018-10-24 02:29:51,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 02:29:51,510 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2018-10-24 02:29:51,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 02:29:51,681 INFO L225 Difference]: With dead ends: 58701 [2018-10-24 02:29:51,682 INFO L226 Difference]: Without dead ends: 43881 [2018-10-24 02:29:51,748 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-24 02:29:51,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43881 states. [2018-10-24 02:29:52,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43881 to 43780. [2018-10-24 02:29:52,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43780 states. [2018-10-24 02:29:52,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43780 states to 43780 states and 63271 transitions. [2018-10-24 02:29:52,740 INFO L78 Accepts]: Start accepts. Automaton has 43780 states and 63271 transitions. Word has length 135 [2018-10-24 02:29:52,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 02:29:52,741 INFO L481 AbstractCegarLoop]: Abstraction has 43780 states and 63271 transitions. [2018-10-24 02:29:52,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 02:29:52,741 INFO L276 IsEmpty]: Start isEmpty. Operand 43780 states and 63271 transitions. [2018-10-24 02:29:52,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-24 02:29:52,744 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:29:52,744 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 02:29:52,745 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:29:52,745 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:29:52,745 INFO L82 PathProgramCache]: Analyzing trace with hash -307863100, now seen corresponding path program 1 times [2018-10-24 02:29:52,745 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:29:52,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:29:52,746 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:29:52,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:29:52,746 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:29:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:29:53,047 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:29:53,047 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 02:29:53,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 02:29:53,048 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:29:53,048 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 02:29:53,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 02:29:53,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 02:29:53,049 INFO L87 Difference]: Start difference. First operand 43780 states and 63271 transitions. Second operand 5 states. [2018-10-24 02:30:20,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 02:30:20,850 INFO L93 Difference]: Finished difference Result 132707 states and 204466 transitions. [2018-10-24 02:30:20,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 02:30:20,850 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2018-10-24 02:30:20,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 02:30:21,176 INFO L225 Difference]: With dead ends: 132707 [2018-10-24 02:30:21,176 INFO L226 Difference]: Without dead ends: 88933 [2018-10-24 02:30:21,287 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 02:30:21,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88933 states. [2018-10-24 02:30:22,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88933 to 88196. [2018-10-24 02:30:22,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88196 states. [2018-10-24 02:30:24,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88196 states to 88196 states and 122036 transitions. [2018-10-24 02:30:24,056 INFO L78 Accepts]: Start accepts. Automaton has 88196 states and 122036 transitions. Word has length 144 [2018-10-24 02:30:24,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 02:30:24,057 INFO L481 AbstractCegarLoop]: Abstraction has 88196 states and 122036 transitions. [2018-10-24 02:30:24,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 02:30:24,057 INFO L276 IsEmpty]: Start isEmpty. Operand 88196 states and 122036 transitions. [2018-10-24 02:30:24,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-24 02:30:24,064 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:30:24,064 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 02:30:24,064 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:30:24,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:30:24,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1334386755, now seen corresponding path program 1 times [2018-10-24 02:30:24,066 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:30:24,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:30:24,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:30:24,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:30:24,067 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:30:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:30:24,370 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 02:30:24,756 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:30:24,756 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 02:30:24,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 02:30:24,757 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:30:24,757 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 02:30:24,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 02:30:24,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 02:30:24,758 INFO L87 Difference]: Start difference. First operand 88196 states and 122036 transitions. Second operand 6 states. [2018-10-24 02:30:52,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 02:30:52,494 INFO L93 Difference]: Finished difference Result 208064 states and 304358 transitions. [2018-10-24 02:30:52,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 02:30:52,495 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 172 [2018-10-24 02:30:52,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 02:30:52,807 INFO L225 Difference]: With dead ends: 208064 [2018-10-24 02:30:52,807 INFO L226 Difference]: Without dead ends: 119874 [2018-10-24 02:30:52,929 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 [2018-10-24 02:30:53,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119874 states. [2018-10-24 02:30:55,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119874 to 119527. [2018-10-24 02:30:55,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119527 states. [2018-10-24 02:30:55,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119527 states to 119527 states and 161673 transitions. [2018-10-24 02:30:55,500 INFO L78 Accepts]: Start accepts. Automaton has 119527 states and 161673 transitions. Word has length 172 [2018-10-24 02:30:55,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 02:30:55,501 INFO L481 AbstractCegarLoop]: Abstraction has 119527 states and 161673 transitions. [2018-10-24 02:30:55,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 02:30:55,501 INFO L276 IsEmpty]: Start isEmpty. Operand 119527 states and 161673 transitions. [2018-10-24 02:30:55,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-10-24 02:30:55,508 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:30:55,508 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 02:30:55,508 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:30:55,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:30:55,509 INFO L82 PathProgramCache]: Analyzing trace with hash -857501470, now seen corresponding path program 1 times [2018-10-24 02:30:55,509 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:30:55,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:30:55,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:30:55,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:30:55,510 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:30:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:30:55,762 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 02:30:55,817 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 64 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 02:30:55,817 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 02:30:55,817 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 02:30:55,818 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 211 with the following transitions: [2018-10-24 02:30:55,820 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5438], [5440], [5443], [5451], [5459], [5467], [5475], [5483], [5491], [5499], [5507], [5515], [5523], [5531], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5719], [5722], [5726], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5877], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-10-24 02:30:55,893 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 02:30:55,893 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 02:30:59,802 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 02:30:59,841 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 02:30:59,842 INFO L272 AbstractInterpreter]: Visited 104 different actions 104 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-24 02:30:59,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:30:59,854 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 02:31:01,883 INFO L232 lantSequenceWeakener]: Weakened 200 states. On average, predicates are now at 75.47% of their original sizes. [2018-10-24 02:31:01,883 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 02:31:02,238 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 02:31:02,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 02:31:02,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-10-24 02:31:02,240 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:31:02,240 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 02:31:02,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 02:31:02,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-24 02:31:02,241 INFO L87 Difference]: Start difference. First operand 119527 states and 161673 transitions. Second operand 7 states. Received shutdown request... [2018-10-24 02:31:17,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 02:31:17,902 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 02:31:17,908 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 02:31:17,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 02:31:17 BoogieIcfgContainer [2018-10-24 02:31:17,909 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 02:31:17,910 INFO L168 Benchmark]: Toolchain (without parser) took 228048.42 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 27.2 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-10-24 02:31:17,911 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 02:31:17,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3321.88 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 393.7 MB). Peak memory consumption was 393.7 MB. Max. memory is 7.1 GB. [2018-10-24 02:31:17,912 INFO L168 Benchmark]: Boogie Procedure Inliner took 718.71 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 882.9 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. [2018-10-24 02:31:17,915 INFO L168 Benchmark]: Boogie Preprocessor took 451.37 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 58.9 MB). Peak memory consumption was 58.9 MB. Max. memory is 7.1 GB. [2018-10-24 02:31:17,915 INFO L168 Benchmark]: RCFGBuilder took 17349.75 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 153.6 MB). Free memory was 2.3 GB in the beginning and 1.7 GB in the end (delta: 521.4 MB). Peak memory consumption was 675.0 MB. Max. memory is 7.1 GB. [2018-10-24 02:31:17,918 INFO L168 Benchmark]: TraceAbstraction took 206200.80 ms. Allocated memory was 2.6 GB in the beginning and 3.8 GB in the end (delta: 1.2 GB). Free memory was 1.7 GB in the beginning and 1.4 GB in the end (delta: 339.3 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-10-24 02:31:17,926 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 3321.88 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 393.7 MB). Peak memory consumption was 393.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 718.71 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 882.9 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 451.37 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 58.9 MB). Peak memory consumption was 58.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 17349.75 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 153.6 MB). Free memory was 2.3 GB in the beginning and 1.7 GB in the end (delta: 521.4 MB). Peak memory consumption was 675.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 206200.80 ms. Allocated memory was 2.6 GB in the beginning and 3.8 GB in the end (delta: 1.2 GB). Free memory was 1.7 GB in the beginning and 1.4 GB in the end (delta: 339.3 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 112]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 112). Cancelled while BasicCegarLoop was constructing difference of abstraction (119527states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (4384 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 206.1s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 188.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3668 SDtfs, 35427 SDslu, 4428 SDs, 0 SdLazy, 66336 SolverSat, 14253 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 153.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 262 GetRequests, 218 SyntacticMatches, 5 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119527occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.0s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.995553919764446 AbsIntWeakeningRatio, 0.1339712918660287 AbsIntAvgWeakeningVarsNumRemoved, 1031.4066985645934 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 7.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 1420 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 924 NumberOfCodeBlocks, 924 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 917 ConstructedInterpolants, 0 QuantifiedInterpolants, 588874 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 229/294 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown