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-INT.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem12_label54_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 14:45:22,635 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 14:45:22,637 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 14:45:22,651 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 14:45:22,651 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 14:45:22,653 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 14:45:22,654 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 14:45:22,657 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 14:45:22,661 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 14:45:22,662 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 14:45:22,668 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 14:45:22,668 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 14:45:22,669 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 14:45:22,670 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 14:45:22,676 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 14:45:22,677 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 14:45:22,678 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 14:45:22,681 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 14:45:22,686 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 14:45:22,690 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 14:45:22,691 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 14:45:22,692 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 14:45:22,694 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 14:45:22,694 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 14:45:22,694 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 14:45:22,695 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 14:45:22,696 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 14:45:22,697 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 14:45:22,698 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 14:45:22,699 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 14:45:22,699 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 14:45:22,700 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 14:45:22,700 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 14:45:22,700 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 14:45:22,701 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 14:45:22,702 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 14:45:22,702 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf [2018-11-07 14:45:22,727 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 14:45:22,728 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 14:45:22,729 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 14:45:22,729 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 14:45:22,729 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 14:45:22,729 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 14:45:22,729 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 14:45:22,730 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 14:45:22,730 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 14:45:22,730 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 14:45:22,730 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 14:45:22,730 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 14:45:22,731 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 14:45:22,732 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 14:45:22,732 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 14:45:22,732 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 14:45:22,732 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 14:45:22,732 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 14:45:22,733 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 14:45:22,733 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 14:45:22,733 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 14:45:22,733 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 14:45:22,733 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 14:45:22,733 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 14:45:22,735 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 14:45:22,736 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 14:45:22,736 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 14:45:22,736 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 14:45:22,736 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 14:45:22,736 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 14:45:22,737 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 14:45:22,737 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 14:45:22,737 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 14:45:22,737 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 14:45:22,803 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 14:45:22,822 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 14:45:22,828 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 14:45:22,830 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 14:45:22,830 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 14:45:22,831 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label54_true-unreach-call.c [2018-11-07 14:45:22,901 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/298c1536d/1da06f71e87b4de8bf0036ee68d44f7d/FLAGfde49b2c1 [2018-11-07 14:45:23,705 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 14:45:23,706 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label54_true-unreach-call.c [2018-11-07 14:45:23,738 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/298c1536d/1da06f71e87b4de8bf0036ee68d44f7d/FLAGfde49b2c1 [2018-11-07 14:45:23,758 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/298c1536d/1da06f71e87b4de8bf0036ee68d44f7d [2018-11-07 14:45:23,772 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 14:45:23,774 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 14:45:23,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 14:45:23,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 14:45:23,781 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 14:45:23,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:45:23" (1/1) ... [2018-11-07 14:45:23,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24e22a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:45:23, skipping insertion in model container [2018-11-07 14:45:23,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:45:23" (1/1) ... [2018-11-07 14:45:23,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 14:45:23,963 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 14:45:25,445 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 14:45:25,450 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 14:45:26,042 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 14:45:26,078 INFO L193 MainTranslator]: Completed translation [2018-11-07 14:45:26,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:45:26 WrapperNode [2018-11-07 14:45:26,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 14:45:26,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 14:45:26,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 14:45:26,080 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 14:45:26,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:45:26" (1/1) ... [2018-11-07 14:45:26,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:45:26" (1/1) ... [2018-11-07 14:45:26,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 14:45:26,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 14:45:26,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 14:45:26,432 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 14:45:26,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:45:26" (1/1) ... [2018-11-07 14:45:26,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:45:26" (1/1) ... [2018-11-07 14:45:26,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:45:26" (1/1) ... [2018-11-07 14:45:26,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:45:26" (1/1) ... [2018-11-07 14:45:26,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:45:26" (1/1) ... [2018-11-07 14:45:26,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:45:26" (1/1) ... [2018-11-07 14:45:26,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:45:26" (1/1) ... [2018-11-07 14:45:26,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 14:45:26,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 14:45:26,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 14:45:26,737 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 14:45:26,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:45:26" (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 14:45:26,810 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 14:45:26,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 14:45:26,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 14:45:26,810 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-07 14:45:26,811 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-07 14:45:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-07 14:45:26,811 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-07 14:45:26,811 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 14:45:26,811 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 14:45:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 14:45:26,812 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 14:45:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 14:45:26,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 14:45:26,813 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 14:45:26,813 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 14:45:35,871 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 14:45:35,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:45:35 BoogieIcfgContainer [2018-11-07 14:45:35,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 14:45:35,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 14:45:35,873 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 14:45:35,876 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 14:45:35,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:45:23" (1/3) ... [2018-11-07 14:45:35,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d919e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:45:35, skipping insertion in model container [2018-11-07 14:45:35,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:45:26" (2/3) ... [2018-11-07 14:45:35,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d919e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:45:35, skipping insertion in model container [2018-11-07 14:45:35,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:45:35" (3/3) ... [2018-11-07 14:45:35,880 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem12_label54_true-unreach-call.c [2018-11-07 14:45:35,891 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 14:45:35,902 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 14:45:35,921 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 14:45:35,968 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 14:45:35,969 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 14:45:35,969 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 14:45:35,969 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 14:45:35,969 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 14:45:35,969 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 14:45:35,970 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 14:45:35,970 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 14:45:36,009 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states. [2018-11-07 14:45:36,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-07 14:45:36,019 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 14:45:36,020 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] [2018-11-07 14:45:36,022 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 14:45:36,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 14:45:36,030 INFO L82 PathProgramCache]: Analyzing trace with hash 2139876300, now seen corresponding path program 1 times [2018-11-07 14:45:36,032 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 14:45:36,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:45:36,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 14:45:36,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:45:36,088 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 14:45:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 14:45:36,511 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 14:45:36,642 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 14:45:36,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 14:45:36,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 14:45:36,649 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 14:45:36,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 14:45:36,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 14:45:36,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 14:45:36,681 INFO L87 Difference]: Start difference. First operand 840 states. Second operand 3 states. [2018-11-07 14:45:43,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 14:45:43,732 INFO L93 Difference]: Finished difference Result 2446 states and 4700 transitions. [2018-11-07 14:45:43,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 14:45:43,736 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-11-07 14:45:43,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 14:45:43,775 INFO L225 Difference]: With dead ends: 2446 [2018-11-07 14:45:43,775 INFO L226 Difference]: Without dead ends: 1604 [2018-11-07 14:45:43,793 INFO L604 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 [2018-11-07 14:45:43,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2018-11-07 14:45:43,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1604. [2018-11-07 14:45:43,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1604 states. [2018-11-07 14:45:43,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2909 transitions. [2018-11-07 14:45:43,988 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2909 transitions. Word has length 40 [2018-11-07 14:45:43,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 14:45:43,989 INFO L480 AbstractCegarLoop]: Abstraction has 1604 states and 2909 transitions. [2018-11-07 14:45:43,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 14:45:43,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2909 transitions. [2018-11-07 14:45:44,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-07 14:45:44,000 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 14:45:44,001 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:45:44,001 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 14:45:44,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 14:45:44,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1482898002, now seen corresponding path program 1 times [2018-11-07 14:45:44,002 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 14:45:44,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:45:44,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 14:45:44,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:45:44,005 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 14:45:44,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 14:45:44,388 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 14:45:44,446 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 14:45:44,447 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 14:45:44,447 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 14:45:44,447 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 14:45:44,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 14:45:44,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 14:45:44,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 14:45:44,453 INFO L87 Difference]: Start difference. First operand 1604 states and 2909 transitions. Second operand 5 states. [2018-11-07 14:45:53,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 14:45:53,705 INFO L93 Difference]: Finished difference Result 4818 states and 8826 transitions. [2018-11-07 14:45:53,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 14:45:53,706 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 114 [2018-11-07 14:45:53,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 14:45:53,733 INFO L225 Difference]: With dead ends: 4818 [2018-11-07 14:45:53,733 INFO L226 Difference]: Without dead ends: 3220 [2018-11-07 14:45:53,740 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 14:45:53,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3220 states. [2018-11-07 14:45:53,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3220 to 3186. [2018-11-07 14:45:53,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3186 states. [2018-11-07 14:45:53,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3186 states to 3186 states and 5594 transitions. [2018-11-07 14:45:53,850 INFO L78 Accepts]: Start accepts. Automaton has 3186 states and 5594 transitions. Word has length 114 [2018-11-07 14:45:53,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 14:45:53,850 INFO L480 AbstractCegarLoop]: Abstraction has 3186 states and 5594 transitions. [2018-11-07 14:45:53,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 14:45:53,851 INFO L276 IsEmpty]: Start isEmpty. Operand 3186 states and 5594 transitions. [2018-11-07 14:45:53,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-07 14:45:53,854 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 14:45:53,855 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:45:53,856 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 14:45:53,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 14:45:53,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1633492773, now seen corresponding path program 1 times [2018-11-07 14:45:53,856 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 14:45:53,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:45:53,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 14:45:53,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:45:53,862 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 14:45:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 14:45:54,122 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 14:45:54,122 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 14:45:54,123 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 14:45:54,123 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 14:45:54,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 14:45:54,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 14:45:54,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 14:45:54,124 INFO L87 Difference]: Start difference. First operand 3186 states and 5594 transitions. Second operand 6 states. [2018-11-07 14:46:05,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 14:46:05,026 INFO L93 Difference]: Finished difference Result 11148 states and 19850 transitions. [2018-11-07 14:46:05,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 14:46:05,027 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 119 [2018-11-07 14:46:05,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 14:46:05,072 INFO L225 Difference]: With dead ends: 11148 [2018-11-07 14:46:05,072 INFO L226 Difference]: Without dead ends: 7968 [2018-11-07 14:46:05,089 INFO L604 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 [2018-11-07 14:46:05,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7968 states. [2018-11-07 14:46:05,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7968 to 7924. [2018-11-07 14:46:05,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7924 states. [2018-11-07 14:46:05,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7924 states to 7924 states and 13424 transitions. [2018-11-07 14:46:05,334 INFO L78 Accepts]: Start accepts. Automaton has 7924 states and 13424 transitions. Word has length 119 [2018-11-07 14:46:05,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 14:46:05,335 INFO L480 AbstractCegarLoop]: Abstraction has 7924 states and 13424 transitions. [2018-11-07 14:46:05,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 14:46:05,338 INFO L276 IsEmpty]: Start isEmpty. Operand 7924 states and 13424 transitions. [2018-11-07 14:46:05,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-07 14:46:05,346 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 14:46:05,349 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:46:05,349 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 14:46:05,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 14:46:05,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1525604427, now seen corresponding path program 1 times [2018-11-07 14:46:05,350 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 14:46:05,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:46:05,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 14:46:05,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:46:05,353 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 14:46:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 14:46:05,591 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 14:46:05,592 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 14:46:05,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 14:46:05,592 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 14:46:05,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 14:46:05,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 14:46:05,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 14:46:05,597 INFO L87 Difference]: Start difference. First operand 7924 states and 13424 transitions. Second operand 6 states. [2018-11-07 14:46:14,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 14:46:14,337 INFO L93 Difference]: Finished difference Result 22224 states and 38004 transitions. [2018-11-07 14:46:14,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 14:46:14,338 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2018-11-07 14:46:14,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 14:46:14,418 INFO L225 Difference]: With dead ends: 22224 [2018-11-07 14:46:14,419 INFO L226 Difference]: Without dead ends: 14306 [2018-11-07 14:46:14,466 INFO L604 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 [2018-11-07 14:46:14,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14306 states. [2018-11-07 14:46:14,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14306 to 14219. [2018-11-07 14:46:14,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14219 states. [2018-11-07 14:46:14,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14219 states to 14219 states and 21550 transitions. [2018-11-07 14:46:14,840 INFO L78 Accepts]: Start accepts. Automaton has 14219 states and 21550 transitions. Word has length 127 [2018-11-07 14:46:14,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 14:46:14,840 INFO L480 AbstractCegarLoop]: Abstraction has 14219 states and 21550 transitions. [2018-11-07 14:46:14,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 14:46:14,841 INFO L276 IsEmpty]: Start isEmpty. Operand 14219 states and 21550 transitions. [2018-11-07 14:46:14,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-07 14:46:14,845 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 14:46:14,846 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:46:14,846 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 14:46:14,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 14:46:14,846 INFO L82 PathProgramCache]: Analyzing trace with hash -654123146, now seen corresponding path program 1 times [2018-11-07 14:46:14,850 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 14:46:14,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:46:14,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 14:46:14,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:46:14,851 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 14:46:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 14:46:15,337 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 14:46:15,337 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 14:46:15,337 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 14:46:15,337 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 14:46:15,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 14:46:15,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 14:46:15,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-07 14:46:15,340 INFO L87 Difference]: Start difference. First operand 14219 states and 21550 transitions. Second operand 6 states. [2018-11-07 14:46:29,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 14:46:29,449 INFO L93 Difference]: Finished difference Result 55650 states and 94221 transitions. [2018-11-07 14:46:29,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-07 14:46:29,452 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 144 [2018-11-07 14:46:29,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 14:46:29,689 INFO L225 Difference]: With dead ends: 55650 [2018-11-07 14:46:29,689 INFO L226 Difference]: Without dead ends: 41437 [2018-11-07 14:46:29,795 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-07 14:46:29,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41437 states. [2018-11-07 14:46:30,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41437 to 41216. [2018-11-07 14:46:30,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41216 states. [2018-11-07 14:46:31,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41216 states to 41216 states and 61812 transitions. [2018-11-07 14:46:31,021 INFO L78 Accepts]: Start accepts. Automaton has 41216 states and 61812 transitions. Word has length 144 [2018-11-07 14:46:31,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 14:46:31,022 INFO L480 AbstractCegarLoop]: Abstraction has 41216 states and 61812 transitions. [2018-11-07 14:46:31,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 14:46:31,022 INFO L276 IsEmpty]: Start isEmpty. Operand 41216 states and 61812 transitions. [2018-11-07 14:46:31,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-07 14:46:31,029 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 14:46:31,029 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:46:31,030 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 14:46:31,030 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 14:46:31,030 INFO L82 PathProgramCache]: Analyzing trace with hash -271525473, now seen corresponding path program 1 times [2018-11-07 14:46:31,030 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 14:46:31,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:46:31,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 14:46:31,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:46:31,032 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 14:46:31,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 14:46:31,341 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 14:46:32,033 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 14:46:32,033 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 14:46:32,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 14:46:32,033 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 14:46:32,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 14:46:32,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 14:46:32,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 14:46:32,035 INFO L87 Difference]: Start difference. First operand 41216 states and 61812 transitions. Second operand 6 states. [2018-11-07 14:46:42,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 14:46:42,471 INFO L93 Difference]: Finished difference Result 101445 states and 161800 transitions. [2018-11-07 14:46:42,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 14:46:42,474 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 165 [2018-11-07 14:46:42,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 14:46:42,706 INFO L225 Difference]: With dead ends: 101445 [2018-11-07 14:46:42,706 INFO L226 Difference]: Without dead ends: 60235 [2018-11-07 14:46:42,946 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 14:46:42,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60235 states. [2018-11-07 14:46:44,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60235 to 59929. [2018-11-07 14:46:44,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59929 states. [2018-11-07 14:46:44,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59929 states to 59929 states and 84374 transitions. [2018-11-07 14:46:44,229 INFO L78 Accepts]: Start accepts. Automaton has 59929 states and 84374 transitions. Word has length 165 [2018-11-07 14:46:44,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 14:46:44,231 INFO L480 AbstractCegarLoop]: Abstraction has 59929 states and 84374 transitions. [2018-11-07 14:46:44,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 14:46:44,232 INFO L276 IsEmpty]: Start isEmpty. Operand 59929 states and 84374 transitions. [2018-11-07 14:46:44,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-07 14:46:44,245 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 14:46:44,246 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 14:46:44,246 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 14:46:44,246 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 14:46:44,246 INFO L82 PathProgramCache]: Analyzing trace with hash 708461889, now seen corresponding path program 1 times [2018-11-07 14:46:44,247 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 14:46:44,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:46:44,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 14:46:44,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:46:44,248 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 14:46:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 14:46:44,625 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 66 proven. 74 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 14:46:44,625 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 14:46:44,625 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 14:46:44,627 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 200 with the following transitions: [2018-11-07 14:46:44,637 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2087], [2089], [2092], [2100], [2108], [2116], [2124], [2132], [2140], [2148], [2156], [2164], [2172], [2180], [2188], [2196], [2204], [2212], [2220], [2228], [2236], [2244], [2252], [2260], [2268], [2276], [2284], [2292], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2396], [2397], [2400], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-11-07 14:46:44,714 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 14:46:44,715 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 14:46:45,218 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 14:46:45,222 INFO L272 AbstractInterpreter]: Visited 85 different actions 85 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-11-07 14:46:45,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 14:46:45,273 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 14:46:45,869 INFO L227 lantSequenceWeakener]: Weakened 190 states. On average, predicates are now at 75.39% of their original sizes. [2018-11-07 14:46:45,869 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 14:46:46,177 INFO L415 sIntCurrentIteration]: We unified 198 AI predicates to 198 [2018-11-07 14:46:46,178 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 14:46:46,179 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 14:46:46,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2018-11-07 14:46:46,179 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 14:46:46,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-07 14:46:46,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-07 14:46:46,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-07 14:46:46,180 INFO L87 Difference]: Start difference. First operand 59929 states and 84374 transitions. Second operand 8 states. [2018-11-07 14:46:52,334 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-11-07 14:49:19,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 14:49:19,516 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 14:49:19,522 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 14:49:19,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:49:19 BoogieIcfgContainer [2018-11-07 14:49:19,522 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 14:49:19,523 INFO L168 Benchmark]: Toolchain (without parser) took 235750.04 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 3.2 GB in the end (delta: -1.8 GB). Peak memory consumption was 905.4 MB. Max. memory is 7.1 GB. [2018-11-07 14:49:19,524 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 14:49:19,525 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2303.83 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Peak memory consumption was 200.8 MB. Max. memory is 7.1 GB. [2018-11-07 14:49:19,526 INFO L168 Benchmark]: Boogie Procedure Inliner took 351.34 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 769.7 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 54.5 MB. Max. memory is 7.1 GB. [2018-11-07 14:49:19,527 INFO L168 Benchmark]: Boogie Preprocessor took 304.69 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2018-11-07 14:49:19,527 INFO L168 Benchmark]: RCFGBuilder took 9135.64 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 169.9 MB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -176.4 MB). Peak memory consumption was 671.0 MB. Max. memory is 7.1 GB. [2018-11-07 14:49:19,528 INFO L168 Benchmark]: TraceAbstraction took 223649.37 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.7 GB). Free memory was 2.4 GB in the beginning and 3.2 GB in the end (delta: -790.2 MB). Peak memory consumption was 940.4 MB. Max. memory is 7.1 GB. [2018-11-07 14:49:19,534 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2303.83 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Peak memory consumption was 200.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 351.34 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 769.7 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 54.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 304.69 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 9135.64 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 169.9 MB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -176.4 MB). Peak memory consumption was 671.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 223649.37 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.7 GB). Free memory was 2.4 GB in the beginning and 3.2 GB in the end (delta: -790.2 MB). Peak memory consumption was 940.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 111]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 111). Cancelled while BasicCegarLoop was constructing difference of abstraction (59929states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (12104 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 840 locations, 1 error locations. TIMEOUT Result, 223.5s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 214.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1110 SDtfs, 19556 SDslu, 1162 SDs, 0 SdLazy, 36329 SolverSat, 8094 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 190.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 255 GetRequests, 205 SyntacticMatches, 6 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59929occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.6s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9974007199797714 AbsIntWeakeningRatio, 0.13636363636363635 AbsIntAvgWeakeningVarsNumRemoved, 19.22222222222222 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 692 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 908 NumberOfCodeBlocks, 908 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 901 ConstructedInterpolants, 0 QuantifiedInterpolants, 574680 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 236/310 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown