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_label57_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 03:57:32,726 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 03:57:32,728 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 03:57:32,741 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 03:57:32,742 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 03:57:32,743 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 03:57:32,744 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 03:57:32,746 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 03:57:32,751 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 03:57:32,755 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 03:57:32,756 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 03:57:32,756 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 03:57:32,757 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 03:57:32,758 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 03:57:32,759 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 03:57:32,760 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 03:57:32,761 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 03:57:32,763 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 03:57:32,765 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 03:57:32,767 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 03:57:32,768 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 03:57:32,769 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 03:57:32,776 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 03:57:32,776 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 03:57:32,777 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 03:57:32,780 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 03:57:32,781 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 03:57:32,784 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 03:57:32,785 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 03:57:32,786 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 03:57:32,786 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 03:57:32,791 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 03:57:32,792 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 03:57:32,792 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 03:57:32,793 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 03:57:32,794 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 03:57:32,794 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 [2018-10-27 03:57:32,817 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 03:57:32,817 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 03:57:32,818 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 03:57:32,818 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 03:57:32,818 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 03:57:32,818 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 03:57:32,819 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 03:57:32,819 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 03:57:32,819 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 03:57:32,819 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 03:57:32,819 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 03:57:32,820 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 03:57:32,820 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 03:57:32,820 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 03:57:32,821 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 03:57:32,821 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 03:57:32,821 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 03:57:32,821 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 03:57:32,822 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 03:57:32,822 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 03:57:32,822 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 03:57:32,822 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 03:57:32,822 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 03:57:32,823 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 03:57:32,823 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 03:57:32,823 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 03:57:32,823 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 03:57:32,824 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 03:57:32,824 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 03:57:32,824 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 03:57:32,824 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 03:57:32,824 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 03:57:32,825 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 03:57:32,825 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 03:57:32,874 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 03:57:32,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 03:57:32,891 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 03:57:32,893 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 03:57:32,893 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 03:57:32,894 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label57_true-unreach-call.c [2018-10-27 03:57:32,956 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/708ac02bb/20fbda1c12264452b4c014db641f5699/FLAGf1ea0ab3d [2018-10-27 03:57:33,858 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 03:57:33,861 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label57_true-unreach-call.c [2018-10-27 03:57:33,906 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/708ac02bb/20fbda1c12264452b4c014db641f5699/FLAGf1ea0ab3d [2018-10-27 03:57:33,925 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/708ac02bb/20fbda1c12264452b4c014db641f5699 [2018-10-27 03:57:33,939 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 03:57:33,941 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 03:57:33,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 03:57:33,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 03:57:33,951 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 03:57:33,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:57:33" (1/1) ... [2018-10-27 03:57:33,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b1086b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:57:33, skipping insertion in model container [2018-10-27 03:57:33,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:57:33" (1/1) ... [2018-10-27 03:57:33,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 03:57:34,224 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 03:57:36,245 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 03:57:36,249 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 03:57:37,546 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 03:57:37,608 INFO L193 MainTranslator]: Completed translation [2018-10-27 03:57:37,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:57:37 WrapperNode [2018-10-27 03:57:37,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 03:57:37,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 03:57:37,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 03:57:37,610 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 03:57:37,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:57:37" (1/1) ... [2018-10-27 03:57:37,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:57:37" (1/1) ... [2018-10-27 03:57:38,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 03:57:38,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 03:57:38,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 03:57:38,346 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 03:57:38,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:57:37" (1/1) ... [2018-10-27 03:57:38,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:57:37" (1/1) ... [2018-10-27 03:57:38,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:57:37" (1/1) ... [2018-10-27 03:57:38,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:57:37" (1/1) ... [2018-10-27 03:57:38,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:57:37" (1/1) ... [2018-10-27 03:57:38,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:57:37" (1/1) ... [2018-10-27 03:57:38,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:57:37" (1/1) ... [2018-10-27 03:57:38,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 03:57:38,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 03:57:38,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 03:57:38,828 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 03:57:38,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:57:37" (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 [2018-10-27 03:57:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 03:57:38,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 03:57:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-10-27 03:57:38,902 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-10-27 03:57:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-10-27 03:57:38,903 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-10-27 03:57:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-27 03:57:38,903 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-27 03:57:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-27 03:57:38,904 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-27 03:57:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-27 03:57:38,904 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-27 03:57:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 03:57:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 03:57:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 03:57:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 03:57:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 03:57:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 03:57:57,802 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 03:57:57,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:57:57 BoogieIcfgContainer [2018-10-27 03:57:57,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 03:57:57,804 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 03:57:57,804 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 03:57:57,807 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 03:57:57,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:57:33" (1/3) ... [2018-10-27 03:57:57,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@742f3d26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:57:57, skipping insertion in model container [2018-10-27 03:57:57,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:57:37" (2/3) ... [2018-10-27 03:57:57,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@742f3d26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:57:57, skipping insertion in model container [2018-10-27 03:57:57,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:57:57" (3/3) ... [2018-10-27 03:57:57,811 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label57_true-unreach-call.c [2018-10-27 03:57:57,822 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 03:57:57,833 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 03:57:57,852 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 03:57:57,923 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 03:57:57,923 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 03:57:57,923 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 03:57:57,923 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 03:57:57,924 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 03:57:57,924 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 03:57:57,924 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 03:57:57,924 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 03:57:57,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-10-27 03:57:57,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-27 03:57:57,993 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 03:57:57,994 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] [2018-10-27 03:57:57,996 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 03:57:58,002 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:57:58,003 INFO L82 PathProgramCache]: Analyzing trace with hash 281412154, now seen corresponding path program 1 times [2018-10-27 03:57:58,006 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 03:57:58,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:57:58,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:57:58,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:57:58,061 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 03:57:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:57:58,542 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 03:57:58,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 03:57:58,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 03:57:58,675 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 03:57:58,675 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 03:57:58,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 03:57:58,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 03:57:58,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 03:57:58,702 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-10-27 03:58:17,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 03:58:17,218 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-10-27 03:58:17,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 03:58:17,220 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2018-10-27 03:58:17,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 03:58:17,265 INFO L225 Difference]: With dead ends: 4998 [2018-10-27 03:58:17,265 INFO L226 Difference]: Without dead ends: 3218 [2018-10-27 03:58:17,279 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 [2018-10-27 03:58:17,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-10-27 03:58:17,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-10-27 03:58:17,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-10-27 03:58:17,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-10-27 03:58:17,501 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 63 [2018-10-27 03:58:17,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 03:58:17,502 INFO L481 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-10-27 03:58:17,502 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 03:58:17,502 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-10-27 03:58:17,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-27 03:58:17,517 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 03:58:17,518 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, 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] [2018-10-27 03:58:17,518 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 03:58:17,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:58:17,519 INFO L82 PathProgramCache]: Analyzing trace with hash 375438820, now seen corresponding path program 1 times [2018-10-27 03:58:17,519 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 03:58:17,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:58:17,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:58:17,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:58:17,521 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 03:58:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:58:17,894 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 03:58:18,288 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 03:58:18,288 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 03:58:18,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 03:58:18,289 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 03:58:18,292 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 03:58:18,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 03:58:18,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 03:58:18,293 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-10-27 03:58:49,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 03:58:49,140 INFO L93 Difference]: Finished difference Result 9340 states and 16946 transitions. [2018-10-27 03:58:49,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 03:58:49,143 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2018-10-27 03:58:49,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 03:58:49,177 INFO L225 Difference]: With dead ends: 9340 [2018-10-27 03:58:49,177 INFO L226 Difference]: Without dead ends: 6131 [2018-10-27 03:58:49,188 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 [2018-10-27 03:58:49,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6131 states. [2018-10-27 03:58:49,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6131 to 6091. [2018-10-27 03:58:49,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6091 states. [2018-10-27 03:58:49,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6091 states to 6091 states and 9637 transitions. [2018-10-27 03:58:49,364 INFO L78 Accepts]: Start accepts. Automaton has 6091 states and 9637 transitions. Word has length 135 [2018-10-27 03:58:49,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 03:58:49,365 INFO L481 AbstractCegarLoop]: Abstraction has 6091 states and 9637 transitions. [2018-10-27 03:58:49,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 03:58:49,365 INFO L276 IsEmpty]: Start isEmpty. Operand 6091 states and 9637 transitions. [2018-10-27 03:58:49,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-27 03:58:49,374 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 03:58:49,374 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, 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] [2018-10-27 03:58:49,374 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 03:58:49,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:58:49,375 INFO L82 PathProgramCache]: Analyzing trace with hash 2059073519, now seen corresponding path program 1 times [2018-10-27 03:58:49,375 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 03:58:49,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:58:49,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:58:49,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:58:49,383 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 03:58:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:58:49,650 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 03:58:49,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 03:58:49,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 03:58:49,650 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 03:58:49,651 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 03:58:49,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 03:58:49,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 03:58:49,652 INFO L87 Difference]: Start difference. First operand 6091 states and 9637 transitions. Second operand 6 states. [2018-10-27 03:59:20,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 03:59:20,269 INFO L93 Difference]: Finished difference Result 21109 states and 34252 transitions. [2018-10-27 03:59:20,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 03:59:20,269 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2018-10-27 03:59:20,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 03:59:20,344 INFO L225 Difference]: With dead ends: 21109 [2018-10-27 03:59:20,344 INFO L226 Difference]: Without dead ends: 15024 [2018-10-27 03:59:20,371 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 03:59:20,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15024 states. [2018-10-27 03:59:20,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15024 to 14829. [2018-10-27 03:59:20,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14829 states. [2018-10-27 03:59:20,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14829 states to 14829 states and 22441 transitions. [2018-10-27 03:59:20,722 INFO L78 Accepts]: Start accepts. Automaton has 14829 states and 22441 transitions. Word has length 137 [2018-10-27 03:59:20,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 03:59:20,723 INFO L481 AbstractCegarLoop]: Abstraction has 14829 states and 22441 transitions. [2018-10-27 03:59:20,723 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 03:59:20,724 INFO L276 IsEmpty]: Start isEmpty. Operand 14829 states and 22441 transitions. [2018-10-27 03:59:20,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-27 03:59:20,728 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 03:59:20,728 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, 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] [2018-10-27 03:59:20,732 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 03:59:20,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:59:20,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1489466256, now seen corresponding path program 1 times [2018-10-27 03:59:20,733 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 03:59:20,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:59:20,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:59:20,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:59:20,734 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 03:59:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:59:21,284 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 03:59:21,285 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 03:59:21,285 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 03:59:21,285 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 03:59:21,286 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 03:59:21,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 03:59:21,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-27 03:59:21,287 INFO L87 Difference]: Start difference. First operand 14829 states and 22441 transitions. Second operand 6 states. [2018-10-27 04:00:10,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:00:10,736 INFO L93 Difference]: Finished difference Result 58707 states and 93422 transitions. [2018-10-27 04:00:10,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 04:00:10,737 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2018-10-27 04:00:10,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:00:10,895 INFO L225 Difference]: With dead ends: 58707 [2018-10-27 04:00:10,895 INFO L226 Difference]: Without dead ends: 43884 [2018-10-27 04:00:10,961 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-27 04:00:11,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43884 states. [2018-10-27 04:00:11,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43884 to 43783. [2018-10-27 04:00:11,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43783 states. [2018-10-27 04:00:12,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43783 states to 43783 states and 63281 transitions. [2018-10-27 04:00:12,027 INFO L78 Accepts]: Start accepts. Automaton has 43783 states and 63281 transitions. Word has length 159 [2018-10-27 04:00:12,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:00:12,029 INFO L481 AbstractCegarLoop]: Abstraction has 43783 states and 63281 transitions. [2018-10-27 04:00:12,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 04:00:12,029 INFO L276 IsEmpty]: Start isEmpty. Operand 43783 states and 63281 transitions. [2018-10-27 04:00:12,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-27 04:00:12,035 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:00:12,035 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, 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] [2018-10-27 04:00:12,035 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 04:00:12,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:00:12,036 INFO L82 PathProgramCache]: Analyzing trace with hash -943021916, now seen corresponding path program 1 times [2018-10-27 04:00:12,036 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:00:12,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:00:12,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:00:12,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:00:12,037 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:00:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:00:12,375 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:00:12,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:00:12,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 04:00:12,376 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:00:12,376 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:00:12,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:00:12,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:00:12,377 INFO L87 Difference]: Start difference. First operand 43783 states and 63281 transitions. Second operand 5 states. [2018-10-27 04:00:41,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:00:41,397 INFO L93 Difference]: Finished difference Result 132713 states and 204477 transitions. [2018-10-27 04:00:41,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 04:00:41,401 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168 [2018-10-27 04:00:41,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:00:41,759 INFO L225 Difference]: With dead ends: 132713 [2018-10-27 04:00:41,759 INFO L226 Difference]: Without dead ends: 88936 [2018-10-27 04:00:41,864 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 [2018-10-27 04:00:41,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88936 states. [2018-10-27 04:00:44,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88936 to 88222. [2018-10-27 04:00:44,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88222 states. [2018-10-27 04:00:44,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88222 states to 88222 states and 122170 transitions. [2018-10-27 04:00:44,303 INFO L78 Accepts]: Start accepts. Automaton has 88222 states and 122170 transitions. Word has length 168 [2018-10-27 04:00:44,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:00:44,306 INFO L481 AbstractCegarLoop]: Abstraction has 88222 states and 122170 transitions. [2018-10-27 04:00:44,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:00:44,306 INFO L276 IsEmpty]: Start isEmpty. Operand 88222 states and 122170 transitions. [2018-10-27 04:00:44,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-10-27 04:00:44,315 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:00:44,316 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:00:44,316 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 04:00:44,316 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:00:44,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1450159581, now seen corresponding path program 1 times [2018-10-27 04:00:44,317 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:00:44,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:00:44,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:00:44,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:00:44,318 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:00:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:00:44,622 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 04:00:44,922 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:00:44,923 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:00:44,923 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 04:00:44,923 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:00:44,924 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 04:00:44,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 04:00:44,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:00:44,924 INFO L87 Difference]: Start difference. First operand 88222 states and 122170 transitions. Second operand 6 states. [2018-10-27 04:01:13,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:01:13,549 INFO L93 Difference]: Finished difference Result 210948 states and 310915 transitions. [2018-10-27 04:01:13,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 04:01:13,556 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 196 [2018-10-27 04:01:13,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:01:13,999 INFO L225 Difference]: With dead ends: 210948 [2018-10-27 04:01:13,999 INFO L226 Difference]: Without dead ends: 122732 [2018-10-27 04:01:14,202 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 04:01:14,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122732 states. [2018-10-27 04:01:16,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122732 to 122374. [2018-10-27 04:01:16,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122374 states. [2018-10-27 04:01:16,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122374 states to 122374 states and 167625 transitions. [2018-10-27 04:01:16,915 INFO L78 Accepts]: Start accepts. Automaton has 122374 states and 167625 transitions. Word has length 196 [2018-10-27 04:01:16,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:01:16,915 INFO L481 AbstractCegarLoop]: Abstraction has 122374 states and 167625 transitions. [2018-10-27 04:01:16,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 04:01:16,916 INFO L276 IsEmpty]: Start isEmpty. Operand 122374 states and 167625 transitions. [2018-10-27 04:01:16,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-10-27 04:01:16,926 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:01:16,926 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:01:16,926 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 04:01:16,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:01:16,927 INFO L82 PathProgramCache]: Analyzing trace with hash -324377534, now seen corresponding path program 1 times [2018-10-27 04:01:16,927 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:01:16,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:01:16,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:01:16,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:01:16,928 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:01:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:01:17,195 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 04:01:17,338 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 112 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 04:01:17,338 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:01:17,339 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 04:01:17,339 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 235 with the following transitions: [2018-10-27 04:01:17,341 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], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5538], [5546], [5554], [5562], [5570], [5578], [5586], [5594], [5602], [5610], [5618], [5626], [5630], [5632], [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] [2018-10-27 04:01:17,427 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 04:01:17,427 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 04:01:21,377 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-27 04:01:21,461 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 04:01:21,463 INFO L272 AbstractInterpreter]: Visited 104 different actions 104 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-27 04:01:21,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:01:21,475 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 04:01:24,331 INFO L227 lantSequenceWeakener]: Weakened 224 states. On average, predicates are now at 75.87% of their original sizes. [2018-10-27 04:01:24,332 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 04:01:24,810 INFO L415 sIntCurrentIteration]: We unified 233 AI predicates to 233 [2018-10-27 04:01:24,811 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 04:01:24,812 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 04:01:24,812 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-10-27 04:01:24,812 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:01:24,813 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 04:01:24,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 04:01:24,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-27 04:01:24,813 INFO L87 Difference]: Start difference. First operand 122374 states and 167625 transitions. Second operand 7 states. Received shutdown request... [2018-10-27 04:01:28,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 04:01:28,298 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 04:01:28,304 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 04:01:28,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 04:01:28 BoogieIcfgContainer [2018-10-27 04:01:28,304 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 04:01:28,305 INFO L168 Benchmark]: Toolchain (without parser) took 234365.33 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -582.2 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-10-27 04:01:28,306 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-10-27 04:01:28,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3663.07 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: 406.0 MB). Peak memory consumption was 406.0 MB. Max. memory is 7.1 GB. [2018-10-27 04:01:28,308 INFO L168 Benchmark]: Boogie Procedure Inliner took 735.57 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 879.2 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. [2018-10-27 04:01:28,309 INFO L168 Benchmark]: Boogie Preprocessor took 481.65 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 59.7 MB). Peak memory consumption was 59.7 MB. Max. memory is 7.1 GB. [2018-10-27 04:01:28,310 INFO L168 Benchmark]: RCFGBuilder took 18974.87 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 146.8 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 542.8 MB). Peak memory consumption was 689.6 MB. Max. memory is 7.1 GB. [2018-10-27 04:01:28,311 INFO L168 Benchmark]: TraceAbstraction took 210500.67 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 2.0 GB in the end (delta: -295.2 MB). Peak memory consumption was 906.5 MB. Max. memory is 7.1 GB. [2018-10-27 04:01:28,317 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 3663.07 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: 406.0 MB). Peak memory consumption was 406.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 735.57 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 879.2 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 481.65 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 59.7 MB). Peak memory consumption was 59.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18974.87 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 146.8 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 542.8 MB). Peak memory consumption was 689.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 210500.67 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 2.0 GB in the end (delta: -295.2 MB). Peak memory consumption was 906.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 184]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 184). Cancelled while BasicCegarLoop was constructing difference of abstraction (122374states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (287 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 210.3s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 192.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3665 SDtfs, 35245 SDslu, 4405 SDs, 0 SdLazy, 66330 SolverSat, 14535 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 166.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 286 GetRequests, 242 SyntacticMatches, 5 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122374occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9960118851105975 AbsIntWeakeningRatio, 0.12017167381974249 AbsIntAvgWeakeningVarsNumRemoved, 1040.6351931330473 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 6.9s AutomataMinimizationTime, 6 MinimizatonAttempts, 1411 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1092 NumberOfCodeBlocks, 1092 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1085 ConstructedInterpolants, 0 QuantifiedInterpolants, 717466 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 397/462 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown