java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label37_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-24 00:56:43,062 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 00:56:43,066 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 00:56:43,085 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 00:56:43,086 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 00:56:43,087 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 00:56:43,088 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 00:56:43,090 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 00:56:43,093 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 00:56:43,094 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 00:56:43,095 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 00:56:43,096 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 00:56:43,097 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 00:56:43,099 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 00:56:43,100 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 00:56:43,109 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 00:56:43,110 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 00:56:43,114 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 00:56:43,117 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 00:56:43,121 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 00:56:43,122 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 00:56:43,124 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 00:56:43,127 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 00:56:43,127 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 00:56:43,127 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 00:56:43,131 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 00:56:43,132 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 00:56:43,133 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 00:56:43,136 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 00:56:43,137 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 00:56:43,138 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 00:56:43,139 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-24 00:56:43,144 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 00:56:43,173 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 00:56:43,174 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 00:56:43,175 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 00:56:43,175 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 00:56:43,175 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 00:56:43,176 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 00:56:43,176 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 00:56:43,176 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 00:56:43,176 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 00:56:43,176 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 00:56:43,177 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 00:56:43,177 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 00:56:43,178 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 00:56:43,179 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 00:56:43,179 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 00:56:43,179 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 00:56:43,179 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 00:56:43,179 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 00:56:43,179 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 00:56:43,181 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 00:56:43,181 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 00:56:43,182 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 00:56:43,182 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 00:56:43,182 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 00:56:43,182 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 00:56:43,182 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 00:56:43,183 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 00:56:43,183 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 00:56:43,183 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 00:56:43,183 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 00:56:43,183 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 00:56:43,183 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 00:56:43,184 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 00:56:43,184 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 00:56:43,239 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 00:56:43,252 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 00:56:43,256 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 00:56:43,258 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 00:56:43,259 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 00:56:43,261 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label37_true-unreach-call.c [2018-10-24 00:56:43,346 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2e7803fd8/86256bb15ab145ce87e69de7c37f07d6/FLAG5eb87ba22 [2018-10-24 00:56:43,968 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 00:56:43,969 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label37_true-unreach-call.c [2018-10-24 00:56:43,992 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2e7803fd8/86256bb15ab145ce87e69de7c37f07d6/FLAG5eb87ba22 [2018-10-24 00:56:44,011 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2e7803fd8/86256bb15ab145ce87e69de7c37f07d6 [2018-10-24 00:56:44,023 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 00:56:44,025 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 00:56:44,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 00:56:44,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 00:56:44,031 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 00:56:44,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:56:44" (1/1) ... [2018-10-24 00:56:44,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@387416d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:56:44, skipping insertion in model container [2018-10-24 00:56:44,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:56:44" (1/1) ... [2018-10-24 00:56:44,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 00:56:44,131 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 00:56:44,668 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 00:56:44,672 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 00:56:44,776 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 00:56:44,799 INFO L193 MainTranslator]: Completed translation [2018-10-24 00:56:44,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:56:44 WrapperNode [2018-10-24 00:56:44,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 00:56:44,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 00:56:44,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 00:56:44,802 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 00:56:44,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:56:44" (1/1) ... [2018-10-24 00:56:44,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:56:44" (1/1) ... [2018-10-24 00:56:45,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 00:56:45,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 00:56:45,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 00:56:45,038 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 00:56:45,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:56:44" (1/1) ... [2018-10-24 00:56:45,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:56:44" (1/1) ... [2018-10-24 00:56:45,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:56:44" (1/1) ... [2018-10-24 00:56:45,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:56:44" (1/1) ... [2018-10-24 00:56:45,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:56:44" (1/1) ... [2018-10-24 00:56:45,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:56:44" (1/1) ... [2018-10-24 00:56:45,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:56:44" (1/1) ... [2018-10-24 00:56:45,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 00:56:45,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 00:56:45,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 00:56:45,132 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 00:56:45,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:56:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 00:56:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 00:56:45,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 00:56:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 00:56:45,221 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 00:56:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 00:56:45,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 00:56:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 00:56:45,223 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 00:56:48,303 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 00:56:48,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:56:48 BoogieIcfgContainer [2018-10-24 00:56:48,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 00:56:48,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 00:56:48,306 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 00:56:48,309 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 00:56:48,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:56:44" (1/3) ... [2018-10-24 00:56:48,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42707868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:56:48, skipping insertion in model container [2018-10-24 00:56:48,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:56:44" (2/3) ... [2018-10-24 00:56:48,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42707868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:56:48, skipping insertion in model container [2018-10-24 00:56:48,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:56:48" (3/3) ... [2018-10-24 00:56:48,313 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label37_true-unreach-call.c [2018-10-24 00:56:48,323 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 00:56:48,331 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 00:56:48,351 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 00:56:48,391 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 00:56:48,391 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 00:56:48,391 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 00:56:48,392 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 00:56:48,392 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 00:56:48,392 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 00:56:48,392 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 00:56:48,392 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 00:56:48,420 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-10-24 00:56:48,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-24 00:56:48,431 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 00:56:48,432 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 00:56:48,435 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 00:56:48,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 00:56:48,442 INFO L82 PathProgramCache]: Analyzing trace with hash -890432215, now seen corresponding path program 1 times [2018-10-24 00:56:48,445 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 00:56:48,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 00:56:48,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 00:56:48,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 00:56:48,496 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 00:56:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 00:56:49,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 00:56:49,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 00:56:49,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 00:56:49,012 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 00:56:49,024 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 00:56:49,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 00:56:49,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 00:56:49,045 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 4 states. [2018-10-24 00:56:52,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 00:56:52,155 INFO L93 Difference]: Finished difference Result 737 states and 1298 transitions. [2018-10-24 00:56:52,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 00:56:52,157 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-10-24 00:56:52,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 00:56:52,180 INFO L225 Difference]: With dead ends: 737 [2018-10-24 00:56:52,180 INFO L226 Difference]: Without dead ends: 515 [2018-10-24 00:56:52,190 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 00:56:52,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2018-10-24 00:56:52,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 356. [2018-10-24 00:56:52,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-10-24 00:56:52,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 579 transitions. [2018-10-24 00:56:52,292 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 579 transitions. Word has length 61 [2018-10-24 00:56:52,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 00:56:52,293 INFO L481 AbstractCegarLoop]: Abstraction has 356 states and 579 transitions. [2018-10-24 00:56:52,294 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 00:56:52,296 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 579 transitions. [2018-10-24 00:56:52,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-24 00:56:52,308 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 00:56:52,309 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 00:56:52,309 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 00:56:52,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 00:56:52,311 INFO L82 PathProgramCache]: Analyzing trace with hash 833383459, now seen corresponding path program 1 times [2018-10-24 00:56:52,311 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 00:56:52,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 00:56:52,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 00:56:52,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 00:56:52,314 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 00:56:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 00:56:52,730 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 00:56:52,823 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 00:56:52,823 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 00:56:52,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 00:56:52,824 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 00:56:52,826 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 00:56:52,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 00:56:52,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 00:56:52,827 INFO L87 Difference]: Start difference. First operand 356 states and 579 transitions. Second operand 6 states. [2018-10-24 00:56:55,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 00:56:55,521 INFO L93 Difference]: Finished difference Result 1259 states and 2162 transitions. [2018-10-24 00:56:55,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 00:56:55,523 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-10-24 00:56:55,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 00:56:55,539 INFO L225 Difference]: With dead ends: 1259 [2018-10-24 00:56:55,540 INFO L226 Difference]: Without dead ends: 909 [2018-10-24 00:56:55,545 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 00:56:55,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2018-10-24 00:56:55,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 895. [2018-10-24 00:56:55,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2018-10-24 00:56:55,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1370 transitions. [2018-10-24 00:56:55,630 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1370 transitions. Word has length 136 [2018-10-24 00:56:55,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 00:56:55,631 INFO L481 AbstractCegarLoop]: Abstraction has 895 states and 1370 transitions. [2018-10-24 00:56:55,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 00:56:55,631 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1370 transitions. [2018-10-24 00:56:55,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-24 00:56:55,637 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 00:56:55,638 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 00:56:55,638 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 00:56:55,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 00:56:55,639 INFO L82 PathProgramCache]: Analyzing trace with hash 487326791, now seen corresponding path program 1 times [2018-10-24 00:56:55,639 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 00:56:55,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 00:56:55,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 00:56:55,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 00:56:55,641 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 00:56:55,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 00:56:55,919 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 00:56:55,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 00:56:55,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 00:56:55,919 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 00:56:55,921 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 00:56:55,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 00:56:55,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 00:56:55,922 INFO L87 Difference]: Start difference. First operand 895 states and 1370 transitions. Second operand 6 states. [2018-10-24 00:56:59,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 00:56:59,157 INFO L93 Difference]: Finished difference Result 2358 states and 3764 transitions. [2018-10-24 00:56:59,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 00:56:59,158 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2018-10-24 00:56:59,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 00:56:59,175 INFO L225 Difference]: With dead ends: 2358 [2018-10-24 00:56:59,176 INFO L226 Difference]: Without dead ends: 1469 [2018-10-24 00:56:59,184 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 00:56:59,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2018-10-24 00:56:59,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 1450. [2018-10-24 00:56:59,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1450 states. [2018-10-24 00:56:59,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1450 states and 2107 transitions. [2018-10-24 00:56:59,236 INFO L78 Accepts]: Start accepts. Automaton has 1450 states and 2107 transitions. Word has length 138 [2018-10-24 00:56:59,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 00:56:59,237 INFO L481 AbstractCegarLoop]: Abstraction has 1450 states and 2107 transitions. [2018-10-24 00:56:59,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 00:56:59,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 2107 transitions. [2018-10-24 00:56:59,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-24 00:56:59,241 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 00:56:59,241 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 00:56:59,241 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 00:56:59,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 00:56:59,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1877603308, now seen corresponding path program 1 times [2018-10-24 00:56:59,242 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 00:56:59,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 00:56:59,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 00:56:59,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 00:56:59,243 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 00:56:59,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 00:56:59,448 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 00:56:59,449 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 00:56:59,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 00:56:59,449 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 00:56:59,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 00:56:59,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 00:56:59,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 00:56:59,451 INFO L87 Difference]: Start difference. First operand 1450 states and 2107 transitions. Second operand 4 states. [2018-10-24 00:57:00,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 00:57:00,750 INFO L93 Difference]: Finished difference Result 3188 states and 4711 transitions. [2018-10-24 00:57:00,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 00:57:00,750 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 141 [2018-10-24 00:57:00,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 00:57:00,761 INFO L225 Difference]: With dead ends: 3188 [2018-10-24 00:57:00,761 INFO L226 Difference]: Without dead ends: 1744 [2018-10-24 00:57:00,769 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 00:57:00,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1744 states. [2018-10-24 00:57:00,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1744 to 1742. [2018-10-24 00:57:00,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1742 states. [2018-10-24 00:57:00,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2373 transitions. [2018-10-24 00:57:00,817 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2373 transitions. Word has length 141 [2018-10-24 00:57:00,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 00:57:00,818 INFO L481 AbstractCegarLoop]: Abstraction has 1742 states and 2373 transitions. [2018-10-24 00:57:00,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 00:57:00,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2373 transitions. [2018-10-24 00:57:00,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-10-24 00:57:00,823 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 00:57:00,823 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 00:57:00,823 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 00:57:00,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 00:57:00,824 INFO L82 PathProgramCache]: Analyzing trace with hash -497008844, now seen corresponding path program 1 times [2018-10-24 00:57:00,824 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 00:57:00,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 00:57:00,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 00:57:00,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 00:57:00,825 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 00:57:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 00:57:01,020 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 00:57:01,021 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 00:57:01,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 00:57:01,021 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 00:57:01,022 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 00:57:01,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 00:57:01,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 00:57:01,023 INFO L87 Difference]: Start difference. First operand 1742 states and 2373 transitions. Second operand 6 states. [2018-10-24 00:57:02,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 00:57:02,798 INFO L93 Difference]: Finished difference Result 3994 states and 5608 transitions. [2018-10-24 00:57:02,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 00:57:02,799 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2018-10-24 00:57:02,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 00:57:02,814 INFO L225 Difference]: With dead ends: 3994 [2018-10-24 00:57:02,814 INFO L226 Difference]: Without dead ends: 2258 [2018-10-24 00:57:02,821 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 00:57:02,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2258 states. [2018-10-24 00:57:02,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2258 to 2208. [2018-10-24 00:57:02,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2208 states. [2018-10-24 00:57:02,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2208 states to 2208 states and 2886 transitions. [2018-10-24 00:57:02,890 INFO L78 Accepts]: Start accepts. Automaton has 2208 states and 2886 transitions. Word has length 157 [2018-10-24 00:57:02,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 00:57:02,890 INFO L481 AbstractCegarLoop]: Abstraction has 2208 states and 2886 transitions. [2018-10-24 00:57:02,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 00:57:02,891 INFO L276 IsEmpty]: Start isEmpty. Operand 2208 states and 2886 transitions. [2018-10-24 00:57:02,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-10-24 00:57:02,901 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 00:57:02,901 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2018-10-24 00:57:02,901 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 00:57:02,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 00:57:02,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1003336825, now seen corresponding path program 1 times [2018-10-24 00:57:02,902 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 00:57:02,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 00:57:02,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 00:57:02,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 00:57:02,904 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 00:57:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 00:57:03,273 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 00:57:03,479 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-10-24 00:57:03,479 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 00:57:03,479 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 00:57:03,480 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 232 with the following transitions: [2018-10-24 00:57:03,482 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [538], [539], [543], [547], [551], [555], [559], [563], [567], [570], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-10-24 00:57:03,552 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 00:57:03,552 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 00:57:06,200 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 00:57:06,804 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 00:57:06,806 INFO L272 AbstractInterpreter]: Visited 94 different actions 94 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-24 00:57:06,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 00:57:06,843 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 00:57:11,330 INFO L232 lantSequenceWeakener]: Weakened 210 states. On average, predicates are now at 73.9% of their original sizes. [2018-10-24 00:57:11,331 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 00:57:15,921 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 00:57:15,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 00:57:15,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 12 [2018-10-24 00:57:15,923 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 00:57:15,923 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-24 00:57:15,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-24 00:57:15,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-10-24 00:57:15,924 INFO L87 Difference]: Start difference. First operand 2208 states and 2886 transitions. Second operand 10 states. [2018-10-24 00:58:09,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 00:58:09,727 INFO L93 Difference]: Finished difference Result 4559 states and 5978 transitions. [2018-10-24 00:58:09,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-24 00:58:09,727 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 231 [2018-10-24 00:58:09,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 00:58:09,740 INFO L225 Difference]: With dead ends: 4559 [2018-10-24 00:58:09,740 INFO L226 Difference]: Without dead ends: 2357 [2018-10-24 00:58:09,751 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 234 GetRequests, 194 SyntacticMatches, 28 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2018-10-24 00:58:09,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2357 states. [2018-10-24 00:58:09,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2357 to 2352. [2018-10-24 00:58:09,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2352 states. [2018-10-24 00:58:09,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2352 states to 2352 states and 3038 transitions. [2018-10-24 00:58:09,845 INFO L78 Accepts]: Start accepts. Automaton has 2352 states and 3038 transitions. Word has length 231 [2018-10-24 00:58:09,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 00:58:09,846 INFO L481 AbstractCegarLoop]: Abstraction has 2352 states and 3038 transitions. [2018-10-24 00:58:09,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-24 00:58:09,846 INFO L276 IsEmpty]: Start isEmpty. Operand 2352 states and 3038 transitions. [2018-10-24 00:58:09,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-10-24 00:58:09,856 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 00:58:09,856 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2018-10-24 00:58:09,856 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 00:58:09,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 00:58:09,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1827733875, now seen corresponding path program 1 times [2018-10-24 00:58:09,857 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 00:58:09,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 00:58:09,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 00:58:09,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 00:58:09,858 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 00:58:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 00:58:10,164 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 00:58:10,756 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 109 proven. 6 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-10-24 00:58:10,756 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 00:58:10,756 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 00:58:10,756 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 264 with the following transitions: [2018-10-24 00:58:10,757 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [702], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-10-24 00:58:10,763 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 00:58:10,764 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 00:58:12,677 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 00:58:35,172 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 00:58:35,172 INFO L272 AbstractInterpreter]: Visited 130 different actions 750 times. Merged at 5 different actions 25 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-24 00:58:35,181 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 00:58:35,181 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 00:58:38,598 INFO L232 lantSequenceWeakener]: Weakened 76 states. On average, predicates are now at 75.06% of their original sizes. [2018-10-24 00:58:38,598 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 00:59:09,310 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 00:59:09,311 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 00:59:09,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [8] total 28 [2018-10-24 00:59:09,311 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 00:59:09,312 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-10-24 00:59:09,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-10-24 00:59:09,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2018-10-24 00:59:09,313 INFO L87 Difference]: Start difference. First operand 2352 states and 3038 transitions. Second operand 22 states. Received shutdown request... [2018-10-24 01:00:47,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-24 01:00:47,123 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 01:00:47,127 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 01:00:47,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 01:00:47 BoogieIcfgContainer [2018-10-24 01:00:47,127 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 01:00:47,128 INFO L168 Benchmark]: Toolchain (without parser) took 243104.36 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -657.9 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-10-24 01:00:47,130 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 01:00:47,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 774.45 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-24 01:00:47,131 INFO L168 Benchmark]: Boogie Procedure Inliner took 236.13 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 705.7 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -777.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. [2018-10-24 01:00:47,132 INFO L168 Benchmark]: Boogie Preprocessor took 93.14 ms. Allocated memory is still 2.2 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 01:00:47,132 INFO L168 Benchmark]: RCFGBuilder took 3173.37 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 120.7 MB). Peak memory consumption was 120.7 MB. Max. memory is 7.1 GB. [2018-10-24 01:00:47,133 INFO L168 Benchmark]: TraceAbstraction took 238822.07 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 2.1 GB in the end (delta: -32.5 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-10-24 01:00:47,138 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 774.45 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 236.13 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 705.7 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -777.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.14 ms. Allocated memory is still 2.2 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3173.37 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 120.7 MB). Peak memory consumption was 120.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 238822.07 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 2.1 GB in the end (delta: -32.5 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 166]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 166). Cancelled while BasicCegarLoop was constructing difference of abstraction (2352states) and FLOYD_HOARE automaton (currently 21 states, 22 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 28 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. TIMEOUT Result, 238.7s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 163.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 789 SDtfs, 5760 SDslu, 652 SDs, 0 SdLazy, 5837 SolverSat, 1206 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 85.4s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 544 GetRequests, 416 SyntacticMatches, 64 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 559 ImplicationChecksByTransitivity, 36.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2352occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 27.7s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9955520207375986 AbsIntWeakeningRatio, 0.10569105691056911 AbsIntAvgWeakeningVarsNumRemoved, 108.88821138211382 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 249 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1127 NumberOfCodeBlocks, 1127 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1120 ConstructedInterpolants, 0 QuantifiedInterpolants, 733228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 487/593 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown