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/Problem15_label28_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 03:35:58,970 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 03:35:58,972 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 03:35:58,985 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 03:35:58,985 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 03:35:58,986 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 03:35:58,987 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 03:35:58,989 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 03:35:58,991 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 03:35:58,991 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 03:35:58,992 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 03:35:58,993 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 03:35:58,994 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 03:35:58,995 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 03:35:58,996 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 03:35:58,996 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 03:35:58,997 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 03:35:58,999 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 03:35:59,001 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 03:35:59,003 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 03:35:59,004 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 03:35:59,005 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 03:35:59,008 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 03:35:59,008 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 03:35:59,009 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 03:35:59,010 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 03:35:59,011 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 03:35:59,012 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 03:35:59,013 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 03:35:59,014 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 03:35:59,014 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 03:35:59,015 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 03:35:59,015 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 03:35:59,015 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 03:35:59,016 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 03:35:59,017 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 03:35:59,017 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 03:35:59,033 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 03:35:59,033 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 03:35:59,034 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 03:35:59,034 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 03:35:59,035 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 03:35:59,035 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 03:35:59,035 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 03:35:59,035 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 03:35:59,035 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 03:35:59,036 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 03:35:59,036 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 03:35:59,036 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 03:35:59,037 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 03:35:59,037 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 03:35:59,037 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 03:35:59,037 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 03:35:59,037 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 03:35:59,038 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 03:35:59,038 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 03:35:59,038 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 03:35:59,038 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 03:35:59,038 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 03:35:59,039 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 03:35:59,039 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 03:35:59,039 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 03:35:59,039 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 03:35:59,040 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 03:35:59,040 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 03:35:59,040 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 03:35:59,040 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 03:35:59,040 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 03:35:59,040 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 03:35:59,041 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 03:35:59,041 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 03:35:59,090 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 03:35:59,111 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 03:35:59,115 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 03:35:59,117 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 03:35:59,118 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 03:35:59,118 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label28_true-unreach-call.c [2018-11-07 03:35:59,183 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/695c8cc32/d617ad0114d343d9a415a29bf5eda717/FLAGd0fb14cb2 [2018-11-07 03:35:59,897 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 03:35:59,899 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label28_true-unreach-call.c [2018-11-07 03:35:59,922 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/695c8cc32/d617ad0114d343d9a415a29bf5eda717/FLAGd0fb14cb2 [2018-11-07 03:35:59,936 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/695c8cc32/d617ad0114d343d9a415a29bf5eda717 [2018-11-07 03:35:59,947 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 03:35:59,949 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 03:35:59,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 03:35:59,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 03:35:59,954 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 03:35:59,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:35:59" (1/1) ... [2018-11-07 03:35:59,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e3b70b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:59, skipping insertion in model container [2018-11-07 03:35:59,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:35:59" (1/1) ... [2018-11-07 03:35:59,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 03:36:00,072 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 03:36:01,017 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 03:36:01,024 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 03:36:01,323 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 03:36:01,344 INFO L193 MainTranslator]: Completed translation [2018-11-07 03:36:01,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:36:01 WrapperNode [2018-11-07 03:36:01,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 03:36:01,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 03:36:01,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 03:36:01,346 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 03:36:01,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:36:01" (1/1) ... [2018-11-07 03:36:01,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:36:01" (1/1) ... [2018-11-07 03:36:01,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 03:36:01,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 03:36:01,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 03:36:01,570 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 03:36:01,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:36:01" (1/1) ... [2018-11-07 03:36:01,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:36:01" (1/1) ... [2018-11-07 03:36:01,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:36:01" (1/1) ... [2018-11-07 03:36:01,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:36:01" (1/1) ... [2018-11-07 03:36:01,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:36:01" (1/1) ... [2018-11-07 03:36:01,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:36:01" (1/1) ... [2018-11-07 03:36:01,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:36:01" (1/1) ... [2018-11-07 03:36:01,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 03:36:01,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 03:36:01,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 03:36:01,731 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 03:36:01,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:36:01" (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 03:36:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 03:36:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 03:36:01,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 03:36:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 03:36:01,801 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 03:36:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 03:36:01,801 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 03:36:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 03:36:01,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 03:36:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 03:36:01,802 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 03:36:07,524 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 03:36:07,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:36:07 BoogieIcfgContainer [2018-11-07 03:36:07,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 03:36:07,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 03:36:07,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 03:36:07,530 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 03:36:07,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:35:59" (1/3) ... [2018-11-07 03:36:07,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2696852e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:36:07, skipping insertion in model container [2018-11-07 03:36:07,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:36:01" (2/3) ... [2018-11-07 03:36:07,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2696852e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:36:07, skipping insertion in model container [2018-11-07 03:36:07,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:36:07" (3/3) ... [2018-11-07 03:36:07,534 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label28_true-unreach-call.c [2018-11-07 03:36:07,544 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 03:36:07,555 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 03:36:07,573 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 03:36:07,615 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 03:36:07,615 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 03:36:07,615 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 03:36:07,615 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 03:36:07,615 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 03:36:07,616 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 03:36:07,616 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 03:36:07,616 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 03:36:07,649 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-11-07 03:36:07,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-07 03:36:07,658 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:36:07,659 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:36:07,661 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:36:07,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:36:07,668 INFO L82 PathProgramCache]: Analyzing trace with hash 339561401, now seen corresponding path program 1 times [2018-11-07 03:36:07,671 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:36:07,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:36:07,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:36:07,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:36:07,720 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:36:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:36:08,086 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 03:36:08,128 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 03:36:08,130 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:36:08,131 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 03:36:08,131 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:36:08,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 03:36:08,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 03:36:08,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 03:36:08,156 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 3 states. [2018-11-07 03:36:11,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:36:11,543 INFO L93 Difference]: Finished difference Result 1194 states and 2152 transitions. [2018-11-07 03:36:11,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 03:36:11,545 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-11-07 03:36:11,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:36:11,569 INFO L225 Difference]: With dead ends: 1194 [2018-11-07 03:36:11,570 INFO L226 Difference]: Without dead ends: 754 [2018-11-07 03:36:11,578 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 03:36:11,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2018-11-07 03:36:11,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 752. [2018-11-07 03:36:11,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 752 states. [2018-11-07 03:36:11,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1325 transitions. [2018-11-07 03:36:11,703 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1325 transitions. Word has length 39 [2018-11-07 03:36:11,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:36:11,704 INFO L480 AbstractCegarLoop]: Abstraction has 752 states and 1325 transitions. [2018-11-07 03:36:11,704 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 03:36:11,704 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1325 transitions. [2018-11-07 03:36:11,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-07 03:36:11,713 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:36:11,716 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:36:11,716 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:36:11,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:36:11,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1690148053, now seen corresponding path program 1 times [2018-11-07 03:36:11,717 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:36:11,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:36:11,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:36:11,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:36:11,719 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:36:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:36:12,164 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:36:12,164 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:36:12,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 03:36:12,165 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:36:12,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 03:36:12,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 03:36:12,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-07 03:36:12,169 INFO L87 Difference]: Start difference. First operand 752 states and 1325 transitions. Second operand 6 states. [2018-11-07 03:36:21,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:36:21,426 INFO L93 Difference]: Finished difference Result 2839 states and 5159 transitions. [2018-11-07 03:36:21,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 03:36:21,427 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-11-07 03:36:21,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:36:21,444 INFO L225 Difference]: With dead ends: 2839 [2018-11-07 03:36:21,444 INFO L226 Difference]: Without dead ends: 2093 [2018-11-07 03:36:21,452 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 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 03:36:21,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2093 states. [2018-11-07 03:36:21,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2093 to 2052. [2018-11-07 03:36:21,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2052 states. [2018-11-07 03:36:21,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2052 states to 2052 states and 3398 transitions. [2018-11-07 03:36:21,533 INFO L78 Accepts]: Start accepts. Automaton has 2052 states and 3398 transitions. Word has length 113 [2018-11-07 03:36:21,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:36:21,533 INFO L480 AbstractCegarLoop]: Abstraction has 2052 states and 3398 transitions. [2018-11-07 03:36:21,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 03:36:21,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2052 states and 3398 transitions. [2018-11-07 03:36:21,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-07 03:36:21,543 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:36:21,543 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:36:21,543 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:36:21,544 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:36:21,544 INFO L82 PathProgramCache]: Analyzing trace with hash 55667084, now seen corresponding path program 1 times [2018-11-07 03:36:21,544 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:36:21,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:36:21,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:36:21,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:36:21,546 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:36:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:36:21,765 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:36:21,765 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:36:21,765 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 03:36:21,765 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:36:21,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 03:36:21,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 03:36:21,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 03:36:21,767 INFO L87 Difference]: Start difference. First operand 2052 states and 3398 transitions. Second operand 5 states. [2018-11-07 03:36:26,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:36:26,285 INFO L93 Difference]: Finished difference Result 6119 states and 10292 transitions. [2018-11-07 03:36:26,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 03:36:26,295 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116 [2018-11-07 03:36:26,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:36:26,319 INFO L225 Difference]: With dead ends: 6119 [2018-11-07 03:36:26,320 INFO L226 Difference]: Without dead ends: 4073 [2018-11-07 03:36:26,330 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 03:36:26,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4073 states. [2018-11-07 03:36:26,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4073 to 3992. [2018-11-07 03:36:26,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3992 states. [2018-11-07 03:36:26,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3992 states to 3992 states and 5866 transitions. [2018-11-07 03:36:26,451 INFO L78 Accepts]: Start accepts. Automaton has 3992 states and 5866 transitions. Word has length 116 [2018-11-07 03:36:26,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:36:26,451 INFO L480 AbstractCegarLoop]: Abstraction has 3992 states and 5866 transitions. [2018-11-07 03:36:26,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 03:36:26,452 INFO L276 IsEmpty]: Start isEmpty. Operand 3992 states and 5866 transitions. [2018-11-07 03:36:26,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-07 03:36:26,456 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:36:26,456 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:36:26,456 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:36:26,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:36:26,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1327529950, now seen corresponding path program 1 times [2018-11-07 03:36:26,457 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:36:26,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:36:26,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:36:26,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:36:26,458 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:36:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:36:26,651 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:36:26,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:36:26,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 03:36:26,651 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:36:26,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 03:36:26,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 03:36:26,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 03:36:26,653 INFO L87 Difference]: Start difference. First operand 3992 states and 5866 transitions. Second operand 6 states. [2018-11-07 03:36:31,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:36:31,196 INFO L93 Difference]: Finished difference Result 11063 states and 16902 transitions. [2018-11-07 03:36:31,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 03:36:31,199 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 126 [2018-11-07 03:36:31,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:36:31,242 INFO L225 Difference]: With dead ends: 11063 [2018-11-07 03:36:31,243 INFO L226 Difference]: Without dead ends: 7077 [2018-11-07 03:36:31,280 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 03:36:31,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7077 states. [2018-11-07 03:36:31,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7077 to 6975. [2018-11-07 03:36:31,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6975 states. [2018-11-07 03:36:31,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6975 states to 6975 states and 9521 transitions. [2018-11-07 03:36:31,493 INFO L78 Accepts]: Start accepts. Automaton has 6975 states and 9521 transitions. Word has length 126 [2018-11-07 03:36:31,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:36:31,494 INFO L480 AbstractCegarLoop]: Abstraction has 6975 states and 9521 transitions. [2018-11-07 03:36:31,494 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 03:36:31,494 INFO L276 IsEmpty]: Start isEmpty. Operand 6975 states and 9521 transitions. [2018-11-07 03:36:31,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-07 03:36:31,497 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:36:31,498 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:36:31,498 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:36:31,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:36:31,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1824244347, now seen corresponding path program 1 times [2018-11-07 03:36:31,499 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:36:31,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:36:31,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:36:31,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:36:31,500 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:36:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:36:31,808 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:36:31,808 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:36:31,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 03:36:31,809 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:36:31,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 03:36:31,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 03:36:31,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 03:36:31,810 INFO L87 Difference]: Start difference. First operand 6975 states and 9521 transitions. Second operand 5 states. [2018-11-07 03:36:39,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:36:39,081 INFO L93 Difference]: Finished difference Result 18643 states and 26318 transitions. [2018-11-07 03:36:39,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 03:36:39,082 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2018-11-07 03:36:39,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:36:39,128 INFO L225 Difference]: With dead ends: 18643 [2018-11-07 03:36:39,128 INFO L226 Difference]: Without dead ends: 11674 [2018-11-07 03:36:39,169 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 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 03:36:39,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11674 states. [2018-11-07 03:36:39,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11674 to 11528. [2018-11-07 03:36:39,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11528 states. [2018-11-07 03:36:39,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11528 states to 11528 states and 15522 transitions. [2018-11-07 03:36:39,433 INFO L78 Accepts]: Start accepts. Automaton has 11528 states and 15522 transitions. Word has length 136 [2018-11-07 03:36:39,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:36:39,434 INFO L480 AbstractCegarLoop]: Abstraction has 11528 states and 15522 transitions. [2018-11-07 03:36:39,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 03:36:39,434 INFO L276 IsEmpty]: Start isEmpty. Operand 11528 states and 15522 transitions. [2018-11-07 03:36:39,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-07 03:36:39,438 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:36:39,438 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:36:39,438 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:36:39,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:36:39,439 INFO L82 PathProgramCache]: Analyzing trace with hash 298084566, now seen corresponding path program 1 times [2018-11-07 03:36:39,439 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:36:39,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:36:39,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:36:39,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:36:39,440 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:36:39,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:36:39,999 WARN L179 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 15 [2018-11-07 03:36:40,061 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:36:40,061 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 03:36:40,061 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 03:36:40,062 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-11-07 03:36:40,065 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [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], [285], [287], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-11-07 03:36:40,148 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 03:36:40,149 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 03:36:42,761 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 03:36:42,766 INFO L272 AbstractInterpreter]: Visited 116 different actions 116 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-11-07 03:36:42,787 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:36:42,787 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 03:36:44,130 INFO L227 lantSequenceWeakener]: Weakened 146 states. On average, predicates are now at 78.02% of their original sizes. [2018-11-07 03:36:44,130 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 03:36:44,691 INFO L415 sIntCurrentIteration]: We unified 150 AI predicates to 150 [2018-11-07 03:36:44,691 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 03:36:44,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 03:36:44,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2018-11-07 03:36:44,692 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:36:44,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-07 03:36:44,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-07 03:36:44,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-07 03:36:44,694 INFO L87 Difference]: Start difference. First operand 11528 states and 15522 transitions. Second operand 8 states. [2018-11-07 03:36:47,865 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 03:37:51,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:37:51,978 INFO L93 Difference]: Finished difference Result 23043 states and 31034 transitions. [2018-11-07 03:37:51,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 03:37:51,978 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 151 [2018-11-07 03:37:51,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:37:52,026 INFO L225 Difference]: With dead ends: 23043 [2018-11-07 03:37:52,027 INFO L226 Difference]: Without dead ends: 11521 [2018-11-07 03:37:52,065 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 152 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-07 03:37:52,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11521 states. [2018-11-07 03:37:52,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11521 to 11519. [2018-11-07 03:37:52,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11519 states. [2018-11-07 03:37:52,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11519 states to 11519 states and 15480 transitions. [2018-11-07 03:37:52,331 INFO L78 Accepts]: Start accepts. Automaton has 11519 states and 15480 transitions. Word has length 151 [2018-11-07 03:37:52,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:37:52,331 INFO L480 AbstractCegarLoop]: Abstraction has 11519 states and 15480 transitions. [2018-11-07 03:37:52,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-07 03:37:52,334 INFO L276 IsEmpty]: Start isEmpty. Operand 11519 states and 15480 transitions. [2018-11-07 03:37:52,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-11-07 03:37:52,340 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:37:52,340 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 03:37:52,341 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:37:52,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:37:52,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1643772052, now seen corresponding path program 1 times [2018-11-07 03:37:52,341 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:37:52,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:37:52,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:37:52,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:37:52,343 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:37:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:37:53,381 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 158 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:37:53,382 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 03:37:53,382 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 03:37:53,382 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 248 with the following transitions: [2018-11-07 03:37:53,383 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [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], [285], [287], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-11-07 03:37:53,389 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 03:37:53,390 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 03:37:54,616 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 03:38:01,570 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 03:38:01,570 INFO L272 AbstractInterpreter]: Visited 120 different actions 347 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 03:38:01,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:38:01,581 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 03:38:04,280 INFO L227 lantSequenceWeakener]: Weakened 24 states. On average, predicates are now at 79.55% of their original sizes. [2018-11-07 03:38:04,280 INFO L413 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-11-07 03:39:55,737 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 03:39:55,743 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 03:39:55,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:39:55 BoogieIcfgContainer [2018-11-07 03:39:55,744 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 03:39:55,744 INFO L168 Benchmark]: Toolchain (without parser) took 235796.41 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 2.8 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-11-07 03:39:55,747 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 03:39:55,747 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1395.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 108.3 MB). Peak memory consumption was 108.3 MB. Max. memory is 7.1 GB. [2018-11-07 03:39:55,749 INFO L168 Benchmark]: Boogie Procedure Inliner took 223.51 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.7 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -895.9 MB). Peak memory consumption was 31.3 MB. Max. memory is 7.1 GB. [2018-11-07 03:39:55,751 INFO L168 Benchmark]: Boogie Preprocessor took 160.91 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2018-11-07 03:39:55,753 INFO L168 Benchmark]: RCFGBuilder took 5794.48 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 296.3 MB). Peak memory consumption was 296.3 MB. Max. memory is 7.1 GB. [2018-11-07 03:39:55,753 INFO L168 Benchmark]: TraceAbstraction took 228217.19 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.7 GB). Free memory was 1.9 GB in the beginning and 2.8 GB in the end (delta: -914.1 MB). Peak memory consumption was 761.0 MB. Max. memory is 7.1 GB. [2018-11-07 03:39:55,759 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 1395.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 108.3 MB). Peak memory consumption was 108.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 223.51 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.7 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -895.9 MB). Peak memory consumption was 31.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 160.91 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5794.48 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 296.3 MB). Peak memory consumption was 296.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 228217.19 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.7 GB). Free memory was 1.9 GB in the beginning and 2.8 GB in the end (delta: -914.1 MB). Peak memory consumption was 761.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 103]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 103). Cancelled while BasicCegarLoop was analyzing trace of length 248 with TraceHistMax 3,while AbsIntCurrentIteration was generating AI predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 16 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 228.1s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 96.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1339 SDtfs, 7105 SDslu, 1487 SDs, 0 SdLazy, 13657 SolverSat, 2629 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 68.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 195 GetRequests, 158 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11528occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 10.9s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9949037476211389 AbsIntWeakeningRatio, 0.11616161616161616 AbsIntAvgWeakeningVarsNumRemoved, 412.1363636363636 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 374 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 681 NumberOfCodeBlocks, 681 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 675 ConstructedInterpolants, 0 QuantifiedInterpolants, 290836 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 128/160 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown