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 --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label32_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 11:56:52,592 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 11:56:52,595 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 11:56:52,612 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 11:56:52,612 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 11:56:52,613 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 11:56:52,615 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 11:56:52,617 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 11:56:52,618 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 11:56:52,619 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 11:56:52,620 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 11:56:52,620 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 11:56:52,621 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 11:56:52,622 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 11:56:52,623 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 11:56:52,624 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 11:56:52,625 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 11:56:52,627 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 11:56:52,629 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 11:56:52,631 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 11:56:52,632 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 11:56:52,635 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 11:56:52,637 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-18 11:56:52,637 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-18 11:56:52,638 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-18 11:56:52,639 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-18 11:56:52,640 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-18 11:56:52,641 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-18 11:56:52,641 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-18 11:56:52,642 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-18 11:56:52,643 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-18 11:56:52,643 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-18 11:56:52,644 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 11:56:52,644 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 11:56:52,645 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 11:56:52,645 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 11:56:52,646 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-18 11:56:52,661 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 11:56:52,662 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 11:56:52,663 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 11:56:52,663 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 11:56:52,663 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 11:56:52,663 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 11:56:52,667 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 11:56:52,667 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 11:56:52,667 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 11:56:52,667 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 11:56:52,667 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 11:56:52,667 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 11:56:52,669 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 11:56:52,669 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 11:56:52,669 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 11:56:52,669 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 11:56:52,670 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 11:56:52,670 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 11:56:52,670 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 11:56:52,670 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 11:56:52,670 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 11:56:52,671 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 11:56:52,671 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 11:56:52,671 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 11:56:52,671 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 11:56:52,673 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 11:56:52,673 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 11:56:52,673 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 11:56:52,674 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 11:56:52,674 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 11:56:52,674 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 11:56:52,674 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 11:56:52,674 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 11:56:52,675 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 11:56:52,735 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 11:56:52,748 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 11:56:52,754 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 11:56:52,756 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 11:56:52,756 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 11:56:52,757 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label32_true-unreach-call.c [2018-09-18 11:56:53,034 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d453dd550/8376b6771742403ba8d25214ca042b6f/FLAGa971857c8 [2018-09-18 11:56:53,519 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 11:56:53,520 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label32_true-unreach-call.c [2018-09-18 11:56:53,547 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d453dd550/8376b6771742403ba8d25214ca042b6f/FLAGa971857c8 [2018-09-18 11:56:53,572 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d453dd550/8376b6771742403ba8d25214ca042b6f [2018-09-18 11:56:53,585 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 11:56:53,591 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 11:56:53,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 11:56:53,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 11:56:53,603 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 11:56:53,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:56:53" (1/1) ... [2018-09-18 11:56:53,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@576dc86b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:53, skipping insertion in model container [2018-09-18 11:56:53,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:56:53" (1/1) ... [2018-09-18 11:56:53,622 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 11:56:54,530 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 11:56:54,548 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 11:56:54,801 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 11:56:54,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:54 WrapperNode [2018-09-18 11:56:54,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 11:56:54,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 11:56:54,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 11:56:54,951 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 11:56:54,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:54" (1/1) ... [2018-09-18 11:56:55,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:54" (1/1) ... [2018-09-18 11:56:55,186 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 11:56:55,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 11:56:55,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 11:56:55,187 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 11:56:55,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:54" (1/1) ... [2018-09-18 11:56:55,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:54" (1/1) ... [2018-09-18 11:56:55,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:54" (1/1) ... [2018-09-18 11:56:55,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:54" (1/1) ... [2018-09-18 11:56:55,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:54" (1/1) ... [2018-09-18 11:56:55,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:54" (1/1) ... [2018-09-18 11:56:55,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:54" (1/1) ... [2018-09-18 11:56:55,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 11:56:55,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 11:56:55,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 11:56:55,823 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 11:56:55,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:54" (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 [2018-09-18 11:56:55,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 11:56:55,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 11:56:55,896 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-18 11:56:55,896 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-18 11:56:55,896 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-18 11:56:55,896 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-18 11:56:55,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 11:56:55,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 11:56:55,897 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 11:56:55,897 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 11:57:03,511 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 11:57:03,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:57:03 BoogieIcfgContainer [2018-09-18 11:57:03,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 11:57:03,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 11:57:03,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 11:57:03,516 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 11:57:03,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 11:56:53" (1/3) ... [2018-09-18 11:57:03,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2b4302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 11:57:03, skipping insertion in model container [2018-09-18 11:57:03,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:56:54" (2/3) ... [2018-09-18 11:57:03,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2b4302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 11:57:03, skipping insertion in model container [2018-09-18 11:57:03,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:57:03" (3/3) ... [2018-09-18 11:57:03,520 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label32_true-unreach-call.c [2018-09-18 11:57:03,530 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 11:57:03,539 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 11:57:03,598 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 11:57:03,599 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 11:57:03,599 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 11:57:03,599 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 11:57:03,599 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 11:57:03,599 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 11:57:03,599 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 11:57:03,600 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 11:57:03,600 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 11:57:03,632 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-09-18 11:57:03,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-18 11:57:03,642 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:57:03,643 INFO L376 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] [2018-09-18 11:57:03,644 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:57:03,650 INFO L82 PathProgramCache]: Analyzing trace with hash -317902452, now seen corresponding path program 1 times [2018-09-18 11:57:03,653 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:57:03,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:57:03,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:57:03,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:57:03,705 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:57:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:57:04,084 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 11:57:04,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:57:04,133 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:57:04,133 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 11:57:04,134 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:57:04,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 11:57:04,157 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 11:57:04,158 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 11:57:04,161 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 3 states. [2018-09-18 11:57:10,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:57:10,266 INFO L93 Difference]: Finished difference Result 1192 states and 2147 transitions. [2018-09-18 11:57:10,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 11:57:10,268 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2018-09-18 11:57:10,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:57:10,293 INFO L225 Difference]: With dead ends: 1192 [2018-09-18 11:57:10,294 INFO L226 Difference]: Without dead ends: 752 [2018-09-18 11:57:10,303 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 [2018-09-18 11:57:10,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2018-09-18 11:57:10,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 752. [2018-09-18 11:57:10,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 752 states. [2018-09-18 11:57:10,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1322 transitions. [2018-09-18 11:57:10,438 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1322 transitions. Word has length 56 [2018-09-18 11:57:10,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:57:10,439 INFO L480 AbstractCegarLoop]: Abstraction has 752 states and 1322 transitions. [2018-09-18 11:57:10,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 11:57:10,440 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1322 transitions. [2018-09-18 11:57:10,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-09-18 11:57:10,448 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:57:10,448 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:57:10,449 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:57:10,449 INFO L82 PathProgramCache]: Analyzing trace with hash -372180046, now seen corresponding path program 1 times [2018-09-18 11:57:10,450 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:57:10,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:57:10,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:57:10,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:57:10,452 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:57:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:57:11,039 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:57:11,039 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:57:11,039 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:57:11,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:57:11,151 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:57:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:57:11,253 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:57:11,907 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 15 [2018-09-18 11:57:11,960 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:57:11,960 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:57:12,285 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2018-09-18 11:57:12,641 WARN L178 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2018-09-18 11:57:12,991 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:57:13,013 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-18 11:57:13,013 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [7] total 12 [2018-09-18 11:57:13,013 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:57:13,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 11:57:13,015 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 11:57:13,015 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-09-18 11:57:13,015 INFO L87 Difference]: Start difference. First operand 752 states and 1322 transitions. Second operand 5 states. [2018-09-18 11:57:33,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:57:33,631 INFO L93 Difference]: Finished difference Result 2474 states and 4412 transitions. [2018-09-18 11:57:33,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 11:57:33,632 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2018-09-18 11:57:33,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:57:33,644 INFO L225 Difference]: With dead ends: 2474 [2018-09-18 11:57:33,644 INFO L226 Difference]: Without dead ends: 1728 [2018-09-18 11:57:33,650 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 270 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2018-09-18 11:57:33,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1728 states. [2018-09-18 11:57:33,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1728 to 1713. [2018-09-18 11:57:33,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1713 states. [2018-09-18 11:57:33,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 2784 transitions. [2018-09-18 11:57:33,720 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 2784 transitions. Word has length 137 [2018-09-18 11:57:33,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:57:33,721 INFO L480 AbstractCegarLoop]: Abstraction has 1713 states and 2784 transitions. [2018-09-18 11:57:33,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 11:57:33,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2784 transitions. [2018-09-18 11:57:33,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-09-18 11:57:33,727 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:57:33,727 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:57:33,727 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:57:33,728 INFO L82 PathProgramCache]: Analyzing trace with hash -996971197, now seen corresponding path program 1 times [2018-09-18 11:57:33,728 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:57:33,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:57:33,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:57:33,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:57:33,730 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:57:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:57:33,978 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:57:33,979 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:57:33,979 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 11:57:33,979 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:57:33,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 11:57:33,981 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 11:57:33,981 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 11:57:33,981 INFO L87 Difference]: Start difference. First operand 1713 states and 2784 transitions. Second operand 5 states. [2018-09-18 11:57:42,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:57:42,898 INFO L93 Difference]: Finished difference Result 4450 states and 7643 transitions. [2018-09-18 11:57:42,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 11:57:42,901 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 173 [2018-09-18 11:57:42,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:57:42,922 INFO L225 Difference]: With dead ends: 4450 [2018-09-18 11:57:42,922 INFO L226 Difference]: Without dead ends: 3054 [2018-09-18 11:57:42,929 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 [2018-09-18 11:57:42,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3054 states. [2018-09-18 11:57:43,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3054 to 2938. [2018-09-18 11:57:43,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2938 states. [2018-09-18 11:57:43,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2938 states to 2938 states and 4358 transitions. [2018-09-18 11:57:43,031 INFO L78 Accepts]: Start accepts. Automaton has 2938 states and 4358 transitions. Word has length 173 [2018-09-18 11:57:43,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:57:43,032 INFO L480 AbstractCegarLoop]: Abstraction has 2938 states and 4358 transitions. [2018-09-18 11:57:43,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 11:57:43,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2938 states and 4358 transitions. [2018-09-18 11:57:43,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-09-18 11:57:43,039 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:57:43,040 INFO L376 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:57:43,041 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:57:43,041 INFO L82 PathProgramCache]: Analyzing trace with hash 2126769513, now seen corresponding path program 1 times [2018-09-18 11:57:43,041 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:57:43,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:57:43,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:57:43,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:57:43,043 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:57:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:57:43,551 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 11:57:44,497 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 48 proven. 124 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-09-18 11:57:44,497 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:57:44,497 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:57:44,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:57:44,506 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:57:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:57:44,583 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:57:45,363 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 153 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:57:45,363 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:57:45,949 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 103 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:57:45,970 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:57:45,970 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 11:57:45,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:57:45,987 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:57:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:57:46,153 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:57:46,417 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 103 proven. 26 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-09-18 11:57:46,417 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:57:46,923 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 103 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:57:46,925 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 11:57:46,926 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9, 8, 9] total 30 [2018-09-18 11:57:46,926 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 11:57:46,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-09-18 11:57:46,928 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-09-18 11:57:46,929 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=707, Unknown=0, NotChecked=0, Total=870 [2018-09-18 11:57:46,929 INFO L87 Difference]: Start difference. First operand 2938 states and 4358 transitions. Second operand 20 states. [2018-09-18 11:57:55,758 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2018-09-18 11:58:00,296 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2018-09-18 11:58:00,572 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 41 [2018-09-18 11:58:03,605 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2018-09-18 11:58:15,865 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2018-09-18 11:58:19,827 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 23 [2018-09-18 11:58:34,199 WARN L178 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2018-09-18 11:58:37,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:58:37,540 INFO L93 Difference]: Finished difference Result 23330 states and 40116 transitions. [2018-09-18 11:58:37,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2018-09-18 11:58:37,540 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 233 [2018-09-18 11:58:37,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:58:37,738 INFO L225 Difference]: With dead ends: 23330 [2018-09-18 11:58:37,738 INFO L226 Difference]: Without dead ends: 19742 [2018-09-18 11:58:37,863 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1062 GetRequests, 915 SyntacticMatches, 6 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8144 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=3521, Invalid=16785, Unknown=0, NotChecked=0, Total=20306 [2018-09-18 11:58:37,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19742 states. [2018-09-18 11:58:38,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19742 to 18335. [2018-09-18 11:58:38,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18335 states. [2018-09-18 11:58:38,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18335 states to 18335 states and 26503 transitions. [2018-09-18 11:58:38,954 INFO L78 Accepts]: Start accepts. Automaton has 18335 states and 26503 transitions. Word has length 233 [2018-09-18 11:58:38,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:58:38,955 INFO L480 AbstractCegarLoop]: Abstraction has 18335 states and 26503 transitions. [2018-09-18 11:58:38,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-09-18 11:58:38,955 INFO L276 IsEmpty]: Start isEmpty. Operand 18335 states and 26503 transitions. [2018-09-18 11:58:39,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2018-09-18 11:58:39,010 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:58:39,011 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:58:39,011 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:58:39,013 INFO L82 PathProgramCache]: Analyzing trace with hash 297679294, now seen corresponding path program 1 times [2018-09-18 11:58:39,013 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:58:39,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:58:39,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:58:39,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:58:39,016 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:58:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:58:39,727 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 352 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-09-18 11:58:39,727 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:58:39,728 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:58:39,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:58:39,736 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:58:39,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:58:39,888 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:58:40,212 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 352 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-09-18 11:58:40,213 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:58:40,980 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 352 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-09-18 11:58:41,014 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:58:41,014 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 11:58:41,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:58:41,047 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:58:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:58:41,507 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:58:41,685 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 352 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-09-18 11:58:41,685 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:58:42,002 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 352 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-09-18 11:58:42,004 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 11:58:42,005 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 12 [2018-09-18 11:58:42,006 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 11:58:42,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-18 11:58:42,008 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-18 11:58:42,008 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-09-18 11:58:42,008 INFO L87 Difference]: Start difference. First operand 18335 states and 26503 transitions. Second operand 9 states. [2018-09-18 11:58:54,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:58:54,213 INFO L93 Difference]: Finished difference Result 42184 states and 73475 transitions. [2018-09-18 11:58:54,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-09-18 11:58:54,215 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 549 [2018-09-18 11:58:54,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:58:54,548 INFO L225 Difference]: With dead ends: 42184 [2018-09-18 11:58:54,548 INFO L226 Difference]: Without dead ends: 23106 [2018-09-18 11:58:54,874 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2230 GetRequests, 2200 SyntacticMatches, 5 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=218, Invalid=484, Unknown=0, NotChecked=0, Total=702 [2018-09-18 11:58:54,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23106 states. [2018-09-18 11:58:55,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23106 to 21797. [2018-09-18 11:58:55,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21797 states. [2018-09-18 11:58:56,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21797 states to 21797 states and 32521 transitions. [2018-09-18 11:58:56,279 INFO L78 Accepts]: Start accepts. Automaton has 21797 states and 32521 transitions. Word has length 549 [2018-09-18 11:58:56,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:58:56,280 INFO L480 AbstractCegarLoop]: Abstraction has 21797 states and 32521 transitions. [2018-09-18 11:58:56,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-18 11:58:56,281 INFO L276 IsEmpty]: Start isEmpty. Operand 21797 states and 32521 transitions. [2018-09-18 11:58:56,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 569 [2018-09-18 11:58:56,351 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:58:56,352 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:58:56,352 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:58:56,353 INFO L82 PathProgramCache]: Analyzing trace with hash -892795266, now seen corresponding path program 1 times [2018-09-18 11:58:56,353 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:58:56,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:58:56,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:58:56,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:58:56,354 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:58:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:58:57,644 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 383 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-09-18 11:58:57,645 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:58:57,645 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:58:57,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:58:57,657 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:58:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:58:57,829 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:58:58,401 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 383 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-09-18 11:58:58,402 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:58:58,687 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 383 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-09-18 11:58:58,708 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:58:58,708 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 11:58:58,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:58:58,725 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:58:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:58:59,073 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:58:59,630 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 383 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-09-18 11:58:59,631 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:59:00,343 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 383 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-09-18 11:59:00,345 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 11:59:00,346 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 11 [2018-09-18 11:59:00,346 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 11:59:00,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-18 11:59:00,348 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-18 11:59:00,348 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-09-18 11:59:00,348 INFO L87 Difference]: Start difference. First operand 21797 states and 32521 transitions. Second operand 9 states. [2018-09-18 11:59:11,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:59:11,234 INFO L93 Difference]: Finished difference Result 43234 states and 65922 transitions. [2018-09-18 11:59:11,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-18 11:59:11,235 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 568 [2018-09-18 11:59:11,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:59:11,388 INFO L225 Difference]: With dead ends: 43234 [2018-09-18 11:59:11,388 INFO L226 Difference]: Without dead ends: 21815 [2018-09-18 11:59:11,915 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2300 GetRequests, 2273 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=158, Invalid=348, Unknown=0, NotChecked=0, Total=506 [2018-09-18 11:59:11,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21815 states. [2018-09-18 11:59:12,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21815 to 20418. [2018-09-18 11:59:12,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20418 states. [2018-09-18 11:59:12,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20418 states to 20418 states and 25541 transitions. [2018-09-18 11:59:12,551 INFO L78 Accepts]: Start accepts. Automaton has 20418 states and 25541 transitions. Word has length 568 [2018-09-18 11:59:12,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:59:12,552 INFO L480 AbstractCegarLoop]: Abstraction has 20418 states and 25541 transitions. [2018-09-18 11:59:12,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-18 11:59:12,552 INFO L276 IsEmpty]: Start isEmpty. Operand 20418 states and 25541 transitions. [2018-09-18 11:59:12,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2018-09-18 11:59:12,620 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:59:12,620 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:59:12,620 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:59:12,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1014330653, now seen corresponding path program 1 times [2018-09-18 11:59:12,621 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:59:12,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:59:12,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:59:12,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:59:12,622 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:59:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:59:13,577 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 415 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-09-18 11:59:13,577 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:59:13,577 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:59:13,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:59:13,592 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:59:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:59:13,746 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:59:30,109 WARN L178 SmtUtils]: Spent 15.91 s on a formula simplification. DAG size of input: 116 DAG size of output: 50 [2018-09-18 11:59:30,688 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 410 proven. 116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:59:30,688 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:59:31,340 WARN L178 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-09-18 11:59:31,559 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2018-09-18 11:59:32,227 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 410 proven. 116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:59:32,248 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:59:32,248 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 11:59:32,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:59:32,264 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:59:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:59:32,655 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:59:57,192 WARN L178 SmtUtils]: Spent 24.12 s on a formula simplification that was a NOOP. DAG size: 59 [2018-09-18 12:00:05,404 WARN L178 SmtUtils]: Spent 8.11 s on a formula simplification. DAG size of input: 60 DAG size of output: 31 [2018-09-18 12:00:06,008 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 365 proven. 111 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-09-18 12:00:06,009 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:00:12,496 WARN L178 SmtUtils]: Spent 6.07 s on a formula simplification. DAG size of input: 61 DAG size of output: 30 [2018-09-18 12:00:14,812 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:16,891 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 18 [2018-09-18 12:00:29,817 WARN L178 SmtUtils]: Spent 8.84 s on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2018-09-18 12:00:29,821 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,827 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,834 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,841 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,847 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,854 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,860 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,866 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,873 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,879 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,885 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,891 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,897 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,903 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,908 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,914 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,919 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,925 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,931 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,937 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,942 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,947 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,953 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,958 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,964 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,970 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,975 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,981 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,986 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,992 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:29,997 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,003 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,009 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,015 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,020 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,026 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,032 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,037 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,042 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,048 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,053 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,059 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,064 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,070 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,075 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,081 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,086 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,092 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,097 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,103 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,109 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,114 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,120 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,125 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,131 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,136 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,141 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,146 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,151 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,156 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,162 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,167 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,172 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,177 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,182 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,187 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,192 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,197 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,202 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,207 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,212 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,218 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,223 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,228 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,233 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,238 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,243 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,248 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,253 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,258 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,264 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,269 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,274 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,279 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,284 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,289 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,297 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,302 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,307 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,312 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,317 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,322 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,331 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,338 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,343 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,348 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,353 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,358 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,363 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,368 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,373 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,379 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,385 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,390 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,395 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,400 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,405 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,412 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,417 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,421 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,426 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,432 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,437 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,442 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,447 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,452 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,457 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,464 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,473 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,478 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,484 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,493 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,500 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,505 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,511 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,516 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,521 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,527 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,532 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,538 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,542 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,548 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,553 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,559 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,564 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,570 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,575 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,580 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,586 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,592 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,597 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,602 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,608 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,614 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,619 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,625 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,630 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,636 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,642 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,647 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,653 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,658 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,664 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,671 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,676 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,682 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,690 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,697 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,703 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,709 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,714 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,722 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,728 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,733 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,740 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,746 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,752 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,757 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,762 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,767 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,772 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,778 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,783 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,788 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,793 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,798 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,803 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,808 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,814 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,819 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,824 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,830 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,835 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,841 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,846 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,851 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,857 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,862 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,868 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,873 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,878 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,883 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,888 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,893 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,898 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,904 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,909 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,914 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,922 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,927 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,932 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,937 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,942 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,947 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,953 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,958 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,964 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,968 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,974 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,978 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,983 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,988 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,993 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:30,998 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,004 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,011 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,017 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,022 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,026 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,031 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,036 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,041 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,046 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,051 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,056 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,061 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,065 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,070 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,075 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,080 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,085 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,090 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,094 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,099 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,104 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,109 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,114 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,119 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,124 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,128 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,133 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,138 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,143 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,147 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,152 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,157 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,161 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,166 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,171 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,176 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,181 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,185 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,190 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,194 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,201 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,205 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,210 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,215 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,220 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,224 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,229 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,233 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,238 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,243 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,248 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,253 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:31,258 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 12:00:37,759 WARN L178 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 72 [2018-09-18 12:00:44,769 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 153 proven. 368 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 12:00:44,772 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 12:00:44,773 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8, 9, 10] total 29 [2018-09-18 12:00:44,773 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 12:00:44,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-18 12:00:44,775 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-18 12:00:44,775 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=706, Unknown=6, NotChecked=0, Total=812 [2018-09-18 12:00:44,776 INFO L87 Difference]: Start difference. First operand 20418 states and 25541 transitions. Second operand 12 states. Received shutdown request... [2018-09-18 12:01:00,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-18 12:01:00,884 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-18 12:01:00,888 WARN L206 ceAbstractionStarter]: Timeout [2018-09-18 12:01:00,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 12:01:00 BoogieIcfgContainer [2018-09-18 12:01:00,888 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 12:01:00,889 INFO L168 Benchmark]: Toolchain (without parser) took 247303.69 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 1.6 GB in the end (delta: -172.3 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-09-18 12:01:00,890 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 12:01:00,891 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1357.35 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: 127.0 MB). Peak memory consumption was 127.0 MB. Max. memory is 7.1 GB. [2018-09-18 12:01:00,892 INFO L168 Benchmark]: Boogie Procedure Inliner took 236.25 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-18 12:01:00,892 INFO L168 Benchmark]: Boogie Preprocessor took 635.21 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 879.2 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. [2018-09-18 12:01:00,893 INFO L168 Benchmark]: RCFGBuilder took 7689.47 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 300.1 MB). Peak memory consumption was 300.1 MB. Max. memory is 7.1 GB. [2018-09-18 12:01:00,894 INFO L168 Benchmark]: TraceAbstraction took 237375.72 ms. Allocated memory was 2.4 GB in the beginning and 3.9 GB in the end (delta: 1.5 GB). Free memory was 2.0 GB in the beginning and 1.6 GB in the end (delta: 383.8 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-09-18 12:01:00,899 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1357.35 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: 127.0 MB). Peak memory consumption was 127.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 236.25 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 635.21 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 879.2 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7689.47 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 300.1 MB). Peak memory consumption was 300.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 237375.72 ms. Allocated memory was 2.4 GB in the beginning and 3.9 GB in the end (delta: 1.5 GB). Free memory was 2.0 GB in the beginning and 1.6 GB in the end (delta: 383.8 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: 154]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 154). Cancelled while BasicCegarLoop was constructing difference of abstraction (20418states) and FLOYD_HOARE automaton (currently 10 states, 12 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 37 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 237.3s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 127.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1227 SDtfs, 31451 SDslu, 2807 SDs, 0 SdLazy, 38291 SolverSat, 15800 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 90.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8300 GetRequests, 8033 SyntacticMatches, 25 SemanticMatches, 241 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8645 ImplicationChecksByTransitivity, 106.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21797occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 4244 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 102.0s InterpolantComputationTime, 6347 NumberOfCodeBlocks, 6347 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 10355 ConstructedInterpolants, 292 QuantifiedInterpolants, 45061514 SizeOfPredicates, 23 NumberOfNonLiveVariables, 5877 ConjunctsInSsa, 113 ConjunctsInUnsatCore, 25 InterpolantComputations, 4 PerfectInterpolantSequences, 7241/8351 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem15_label32_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_12-01-00-913.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem15_label32_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-18_12-01-00-913.csv Completed graceful shutdown