java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label35_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 02:59:16,668 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 02:59:16,671 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 02:59:16,683 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 02:59:16,683 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 02:59:16,684 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 02:59:16,686 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 02:59:16,688 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 02:59:16,689 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 02:59:16,690 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 02:59:16,691 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 02:59:16,692 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 02:59:16,693 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 02:59:16,694 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 02:59:16,695 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 02:59:16,695 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 02:59:16,696 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 02:59:16,698 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 02:59:16,700 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 02:59:16,702 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 02:59:16,703 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 02:59:16,704 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 02:59:16,707 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 02:59:16,707 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 02:59:16,707 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 02:59:16,708 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 02:59:16,709 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 02:59:16,710 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 02:59:16,710 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 02:59:16,711 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 02:59:16,712 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 02:59:16,712 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-11-07 02:59:16,715 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-07 02:59:16,731 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 02:59:16,732 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 02:59:16,733 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 02:59:16,733 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 02:59:16,733 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 02:59:16,733 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 02:59:16,733 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 02:59:16,734 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 02:59:16,734 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 02:59:16,734 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 02:59:16,734 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 02:59:16,734 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 02:59:16,735 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 02:59:16,735 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 02:59:16,735 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 02:59:16,736 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 02:59:16,736 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 02:59:16,736 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 02:59:16,736 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 02:59:16,736 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 02:59:16,737 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 02:59:16,737 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 02:59:16,737 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 02:59:16,737 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 02:59:16,738 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 02:59:16,738 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 02:59:16,738 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 02:59:16,738 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 02:59:16,738 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 02:59:16,739 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 02:59:16,739 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 02:59:16,739 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 02:59:16,739 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 02:59:16,739 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 02:59:16,810 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 02:59:16,824 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 02:59:16,830 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 02:59:16,832 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 02:59:16,832 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 02:59:16,833 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label35_true-unreach-call.c [2018-11-07 02:59:16,902 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a99d3b56c/79496e840de44aa8a689f7a7d219e709/FLAGcf29faeec [2018-11-07 02:59:17,601 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 02:59:17,603 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label35_true-unreach-call.c [2018-11-07 02:59:17,627 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a99d3b56c/79496e840de44aa8a689f7a7d219e709/FLAGcf29faeec [2018-11-07 02:59:17,647 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a99d3b56c/79496e840de44aa8a689f7a7d219e709 [2018-11-07 02:59:17,660 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 02:59:17,663 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 02:59:17,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 02:59:17,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 02:59:17,669 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 02:59:17,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:59:17" (1/1) ... [2018-11-07 02:59:17,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aafa7b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:59:17, skipping insertion in model container [2018-11-07 02:59:17,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:59:17" (1/1) ... [2018-11-07 02:59:17,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 02:59:17,774 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 02:59:18,486 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 02:59:18,493 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 02:59:18,732 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 02:59:18,753 INFO L193 MainTranslator]: Completed translation [2018-11-07 02:59:18,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:59:18 WrapperNode [2018-11-07 02:59:18,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 02:59:18,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 02:59:18,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 02:59:18,755 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 02:59:18,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:59:18" (1/1) ... [2018-11-07 02:59:18,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:59:18" (1/1) ... [2018-11-07 02:59:18,933 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 02:59:18,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 02:59:18,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 02:59:18,934 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 02:59:18,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:59:18" (1/1) ... [2018-11-07 02:59:18,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:59:18" (1/1) ... [2018-11-07 02:59:18,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:59:18" (1/1) ... [2018-11-07 02:59:18,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:59:18" (1/1) ... [2018-11-07 02:59:19,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:59:18" (1/1) ... [2018-11-07 02:59:19,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:59:18" (1/1) ... [2018-11-07 02:59:19,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:59:18" (1/1) ... [2018-11-07 02:59:19,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 02:59:19,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 02:59:19,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 02:59:19,092 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 02:59:19,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:59:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 02:59:19,188 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 02:59:19,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 02:59:19,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 02:59:19,189 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 02:59:19,189 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 02:59:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 02:59:19,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 02:59:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 02:59:19,190 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 02:59:24,334 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 02:59:24,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:59:24 BoogieIcfgContainer [2018-11-07 02:59:24,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 02:59:24,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 02:59:24,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 02:59:24,340 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 02:59:24,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:59:17" (1/3) ... [2018-11-07 02:59:24,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362e852b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:59:24, skipping insertion in model container [2018-11-07 02:59:24,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:59:18" (2/3) ... [2018-11-07 02:59:24,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362e852b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:59:24, skipping insertion in model container [2018-11-07 02:59:24,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:59:24" (3/3) ... [2018-11-07 02:59:24,345 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label35_true-unreach-call.c [2018-11-07 02:59:24,356 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 02:59:24,365 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 02:59:24,384 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 02:59:24,423 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 02:59:24,423 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 02:59:24,424 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 02:59:24,424 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 02:59:24,424 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 02:59:24,424 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 02:59:24,424 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 02:59:24,424 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 02:59:24,456 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-11-07 02:59:24,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-07 02:59:24,466 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 02:59:24,468 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 02:59:24,471 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 02:59:24,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 02:59:24,478 INFO L82 PathProgramCache]: Analyzing trace with hash 460642553, now seen corresponding path program 1 times [2018-11-07 02:59:24,480 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 02:59:24,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:59:24,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 02:59:24,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:59:24,535 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 02:59:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 02:59:25,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 02:59:25,058 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 02:59:25,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 02:59:25,059 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 02:59:25,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 02:59:25,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 02:59:25,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 02:59:25,093 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 4 states. [2018-11-07 02:59:28,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 02:59:28,929 INFO L93 Difference]: Finished difference Result 998 states and 1780 transitions. [2018-11-07 02:59:28,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 02:59:28,932 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2018-11-07 02:59:28,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 02:59:28,955 INFO L225 Difference]: With dead ends: 998 [2018-11-07 02:59:28,956 INFO L226 Difference]: Without dead ends: 699 [2018-11-07 02:59:28,967 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 02:59:28,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2018-11-07 02:59:29,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 693. [2018-11-07 02:59:29,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 693 states. [2018-11-07 02:59:29,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 1109 transitions. [2018-11-07 02:59:29,085 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 1109 transitions. Word has length 65 [2018-11-07 02:59:29,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 02:59:29,086 INFO L480 AbstractCegarLoop]: Abstraction has 693 states and 1109 transitions. [2018-11-07 02:59:29,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 02:59:29,086 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 1109 transitions. [2018-11-07 02:59:29,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-07 02:59:29,097 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 02:59:29,098 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, 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] [2018-11-07 02:59:29,098 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 02:59:29,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 02:59:29,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1344478420, now seen corresponding path program 1 times [2018-11-07 02:59:29,099 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 02:59:29,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:59:29,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 02:59:29,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:59:29,103 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 02:59:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 02:59:29,400 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 02:59:29,400 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 02:59:29,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 02:59:29,400 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 02:59:29,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 02:59:29,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 02:59:29,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 02:59:29,408 INFO L87 Difference]: Start difference. First operand 693 states and 1109 transitions. Second operand 4 states. [2018-11-07 02:59:33,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 02:59:33,506 INFO L93 Difference]: Finished difference Result 2539 states and 4264 transitions. [2018-11-07 02:59:33,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 02:59:33,508 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2018-11-07 02:59:33,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 02:59:33,525 INFO L225 Difference]: With dead ends: 2539 [2018-11-07 02:59:33,526 INFO L226 Difference]: Without dead ends: 1852 [2018-11-07 02:59:33,534 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 02:59:33,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1852 states. [2018-11-07 02:59:33,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1852 to 1835. [2018-11-07 02:59:33,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1835 states. [2018-11-07 02:59:33,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1835 states and 2830 transitions. [2018-11-07 02:59:33,644 INFO L78 Accepts]: Start accepts. Automaton has 1835 states and 2830 transitions. Word has length 139 [2018-11-07 02:59:33,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 02:59:33,649 INFO L480 AbstractCegarLoop]: Abstraction has 1835 states and 2830 transitions. [2018-11-07 02:59:33,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 02:59:33,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2830 transitions. [2018-11-07 02:59:33,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-07 02:59:33,663 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 02:59:33,663 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, 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] [2018-11-07 02:59:33,664 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 02:59:33,664 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 02:59:33,664 INFO L82 PathProgramCache]: Analyzing trace with hash -2061838657, now seen corresponding path program 1 times [2018-11-07 02:59:33,664 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 02:59:33,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:59:33,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 02:59:33,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:59:33,667 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 02:59:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 02:59:33,945 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 02:59:33,945 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 02:59:33,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 02:59:33,946 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 02:59:33,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 02:59:33,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 02:59:33,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-07 02:59:33,948 INFO L87 Difference]: Start difference. First operand 1835 states and 2830 transitions. Second operand 6 states. [2018-11-07 02:59:38,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 02:59:38,351 INFO L93 Difference]: Finished difference Result 7366 states and 13552 transitions. [2018-11-07 02:59:38,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-07 02:59:38,352 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-11-07 02:59:38,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 02:59:38,422 INFO L225 Difference]: With dead ends: 7366 [2018-11-07 02:59:38,422 INFO L226 Difference]: Without dead ends: 5537 [2018-11-07 02:59:38,484 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-07 02:59:38,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5537 states. [2018-11-07 02:59:38,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5537 to 4800. [2018-11-07 02:59:38,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4800 states. [2018-11-07 02:59:38,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4800 states to 4800 states and 7128 transitions. [2018-11-07 02:59:38,729 INFO L78 Accepts]: Start accepts. Automaton has 4800 states and 7128 transitions. Word has length 164 [2018-11-07 02:59:38,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 02:59:38,730 INFO L480 AbstractCegarLoop]: Abstraction has 4800 states and 7128 transitions. [2018-11-07 02:59:38,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 02:59:38,730 INFO L276 IsEmpty]: Start isEmpty. Operand 4800 states and 7128 transitions. [2018-11-07 02:59:38,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-07 02:59:38,752 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 02:59:38,752 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, 3, 3, 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] [2018-11-07 02:59:38,753 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 02:59:38,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 02:59:38,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1896930166, now seen corresponding path program 1 times [2018-11-07 02:59:38,753 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 02:59:38,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:59:38,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 02:59:38,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:59:38,755 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 02:59:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 02:59:39,144 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-07 02:59:39,145 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 02:59:39,145 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 02:59:39,145 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 02:59:39,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 02:59:39,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 02:59:39,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 02:59:39,147 INFO L87 Difference]: Start difference. First operand 4800 states and 7128 transitions. Second operand 4 states. [2018-11-07 02:59:41,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 02:59:41,600 INFO L93 Difference]: Finished difference Result 12919 states and 22071 transitions. [2018-11-07 02:59:41,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 02:59:41,601 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 230 [2018-11-07 02:59:41,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 02:59:41,671 INFO L225 Difference]: With dead ends: 12919 [2018-11-07 02:59:41,672 INFO L226 Difference]: Without dead ends: 8125 [2018-11-07 02:59:41,734 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 02:59:41,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8125 states. [2018-11-07 02:59:41,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8125 to 7737. [2018-11-07 02:59:41,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7737 states. [2018-11-07 02:59:42,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7737 states to 7737 states and 11307 transitions. [2018-11-07 02:59:42,043 INFO L78 Accepts]: Start accepts. Automaton has 7737 states and 11307 transitions. Word has length 230 [2018-11-07 02:59:42,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 02:59:42,044 INFO L480 AbstractCegarLoop]: Abstraction has 7737 states and 11307 transitions. [2018-11-07 02:59:42,044 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 02:59:42,044 INFO L276 IsEmpty]: Start isEmpty. Operand 7737 states and 11307 transitions. [2018-11-07 02:59:42,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-07 02:59:42,070 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 02:59:42,071 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, 3, 3, 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] [2018-11-07 02:59:42,071 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 02:59:42,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 02:59:42,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1960371396, now seen corresponding path program 1 times [2018-11-07 02:59:42,072 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 02:59:42,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:59:42,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 02:59:42,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:59:42,073 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 02:59:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 02:59:42,803 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2018-11-07 02:59:42,901 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 116 proven. 69 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 02:59:42,902 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 02:59:42,902 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 02:59:42,903 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 235 with the following transitions: [2018-11-07 02:59:42,906 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-07 02:59:43,001 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 02:59:43,001 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 02:59:45,284 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 02:59:47,503 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 02:59:47,506 INFO L272 AbstractInterpreter]: Visited 100 different actions 100 times. Never merged. Never widened. Never found a fixpoint. Largest state had 28 variables. [2018-11-07 02:59:47,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 02:59:47,548 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 02:59:50,734 INFO L227 lantSequenceWeakener]: Weakened 226 states. On average, predicates are now at 73.86% of their original sizes. [2018-11-07 02:59:50,734 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 02:59:51,279 INFO L415 sIntCurrentIteration]: We unified 233 AI predicates to 233 [2018-11-07 02:59:51,279 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 02:59:51,280 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 02:59:51,280 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2018-11-07 02:59:51,281 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 02:59:51,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 02:59:51,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 02:59:51,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-07 02:59:51,283 INFO L87 Difference]: Start difference. First operand 7737 states and 11307 transitions. Second operand 7 states. [2018-11-07 03:00:27,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:00:27,416 INFO L93 Difference]: Finished difference Result 15660 states and 22836 transitions. [2018-11-07 03:00:27,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 03:00:27,416 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 234 [2018-11-07 03:00:27,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:00:27,465 INFO L225 Difference]: With dead ends: 15660 [2018-11-07 03:00:27,465 INFO L226 Difference]: Without dead ends: 7929 [2018-11-07 03:00:27,515 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 234 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-07 03:00:27,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7929 states. [2018-11-07 03:00:27,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7929 to 7927. [2018-11-07 03:00:27,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7927 states. [2018-11-07 03:00:27,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7927 states to 7927 states and 11507 transitions. [2018-11-07 03:00:27,792 INFO L78 Accepts]: Start accepts. Automaton has 7927 states and 11507 transitions. Word has length 234 [2018-11-07 03:00:27,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:00:27,792 INFO L480 AbstractCegarLoop]: Abstraction has 7927 states and 11507 transitions. [2018-11-07 03:00:27,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-07 03:00:27,793 INFO L276 IsEmpty]: Start isEmpty. Operand 7927 states and 11507 transitions. [2018-11-07 03:00:27,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-07 03:00:27,816 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:00:27,817 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:00:27,817 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:00:27,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:00:27,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1348465692, now seen corresponding path program 1 times [2018-11-07 03:00:27,818 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:00:27,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:00:27,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:00:27,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:00:27,819 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:00:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:00:28,114 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-07 03:00:28,114 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:00:28,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 03:00:28,115 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:00:28,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 03:00:28,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 03:00:28,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 03:00:28,116 INFO L87 Difference]: Start difference. First operand 7927 states and 11507 transitions. Second operand 3 states. [2018-11-07 03:00:30,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:00:30,964 INFO L93 Difference]: Finished difference Result 17367 states and 26251 transitions. [2018-11-07 03:00:30,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 03:00:30,965 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 289 [2018-11-07 03:00:30,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:00:31,016 INFO L225 Difference]: With dead ends: 17367 [2018-11-07 03:00:31,017 INFO L226 Difference]: Without dead ends: 9636 [2018-11-07 03:00:31,057 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 03:00:31,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9636 states. [2018-11-07 03:00:31,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9636 to 9636. [2018-11-07 03:00:31,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9636 states. [2018-11-07 03:00:31,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9636 states to 9636 states and 13950 transitions. [2018-11-07 03:00:31,362 INFO L78 Accepts]: Start accepts. Automaton has 9636 states and 13950 transitions. Word has length 289 [2018-11-07 03:00:31,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:00:31,363 INFO L480 AbstractCegarLoop]: Abstraction has 9636 states and 13950 transitions. [2018-11-07 03:00:31,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 03:00:31,371 INFO L276 IsEmpty]: Start isEmpty. Operand 9636 states and 13950 transitions. [2018-11-07 03:00:31,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-11-07 03:00:31,401 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:00:31,402 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:00:31,402 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:00:31,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:00:31,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1783736515, now seen corresponding path program 1 times [2018-11-07 03:00:31,403 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:00:31,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:00:31,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:00:31,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:00:31,404 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:00:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:00:32,056 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 215 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:00:32,057 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 03:00:32,057 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 03:00:32,057 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 301 with the following transitions: [2018-11-07 03:00:32,058 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [618], [621], [625], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-07 03:00:32,070 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 03:00:32,072 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 03:00:35,779 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 03:00:53,495 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 03:00:53,495 INFO L272 AbstractInterpreter]: Visited 140 different actions 407 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-07 03:00:53,504 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:00:53,504 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 03:00:57,357 INFO L227 lantSequenceWeakener]: Weakened 9 states. On average, predicates are now at 77.78% of their original sizes. [2018-11-07 03:00:57,358 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 03:02:36,719 INFO L415 sIntCurrentIteration]: We unified 299 AI predicates to 299 [2018-11-07 03:02:36,720 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 03:02:36,720 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 03:02:36,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [6] total 22 [2018-11-07 03:02:36,722 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:02:36,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-07 03:02:36,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-07 03:02:36,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2018-11-07 03:02:36,723 INFO L87 Difference]: Start difference. First operand 9636 states and 13950 transitions. Second operand 18 states. Received shutdown request... [2018-11-07 03:03:10,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-07 03:03:10,302 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 03:03:10,307 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 03:03:10,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:03:10 BoogieIcfgContainer [2018-11-07 03:03:10,307 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 03:03:10,308 INFO L168 Benchmark]: Toolchain (without parser) took 232646.38 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -218.5 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-11-07 03:03:10,309 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 03:03:10,310 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1089.92 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-11-07 03:03:10,311 INFO L168 Benchmark]: Boogie Procedure Inliner took 178.98 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -828.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2018-11-07 03:03:10,312 INFO L168 Benchmark]: Boogie Preprocessor took 157.48 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 03:03:10,313 INFO L168 Benchmark]: RCFGBuilder took 5244.05 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 174.4 MB). Peak memory consumption was 174.4 MB. Max. memory is 7.1 GB. [2018-11-07 03:03:10,313 INFO L168 Benchmark]: TraceAbstraction took 225970.67 ms. Allocated memory was 2.3 GB in the beginning and 3.5 GB in the end (delta: 1.3 GB). Free memory was 2.0 GB in the beginning and 1.6 GB in the end (delta: 382.8 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-11-07 03:03:10,320 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1089.92 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 178.98 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -828.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 157.48 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 5244.05 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 174.4 MB). Peak memory consumption was 174.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 225970.67 ms. Allocated memory was 2.3 GB in the beginning and 3.5 GB in the end (delta: 1.3 GB). Free memory was 2.0 GB in the beginning and 1.6 GB in the end (delta: 382.8 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 180]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 180). Cancelled while BasicCegarLoop was constructing difference of abstraction (9636states) and FLOYD_HOARE automaton (currently 9 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (53 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 225.8s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 87.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1777 SDtfs, 3324 SDslu, 856 SDs, 0 SdLazy, 6319 SolverSat, 1646 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 39.9s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 570 GetRequests, 450 SyntacticMatches, 78 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 469 ImplicationChecksByTransitivity, 101.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9636occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 26.0s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9962107650077577 AbsIntWeakeningRatio, 0.11090225563909774 AbsIntAvgWeakeningVarsNumRemoved, 1035.107142857143 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 1150 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1421 NumberOfCodeBlocks, 1421 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1414 ConstructedInterpolants, 0 QuantifiedInterpolants, 1083568 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 851/922 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown