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/Problem13_label10_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 11:38:34,645 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 11:38:34,647 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 11:38:34,663 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 11:38:34,663 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 11:38:34,664 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 11:38:34,665 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 11:38:34,667 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 11:38:34,669 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 11:38:34,669 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 11:38:34,670 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 11:38:34,670 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 11:38:34,671 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 11:38:34,672 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 11:38:34,673 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 11:38:34,677 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 11:38:34,679 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 11:38:34,680 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 11:38:34,685 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 11:38:34,689 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 11:38:34,690 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 11:38:34,691 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 11:38:34,699 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-18 11:38:34,708 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 11:38:34,708 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 11:38:34,709 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 11:38:34,709 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 11:38:34,710 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 11:38:34,725 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 11:38:34,725 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 11:38:34,726 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 11:38:34,726 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 11:38:34,726 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 11:38:34,727 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 11:38:34,727 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 11:38:34,727 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 11:38:34,727 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 11:38:34,727 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 11:38:34,727 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 11:38:34,728 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 11:38:34,728 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 11:38:34,728 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 11:38:34,729 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 11:38:34,729 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 11:38:34,729 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 11:38:34,729 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 11:38:34,729 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 11:38:34,730 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 11:38:34,730 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 11:38:34,730 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 11:38:34,730 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 11:38:34,730 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 11:38:34,731 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 11:38:34,732 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 11:38:34,733 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 11:38:34,733 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 11:38:34,733 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 11:38:34,733 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 11:38:34,733 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 11:38:34,734 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 11:38:34,734 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 11:38:34,734 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 11:38:34,793 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 11:38:34,805 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 11:38:34,810 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 11:38:34,812 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 11:38:34,812 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 11:38:34,813 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label10_true-unreach-call.c [2018-09-18 11:38:35,152 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/316654552/0a89a1c904014418938cb5cdc4d90aa8/FLAGccad5f69a [2018-09-18 11:38:35,628 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 11:38:35,629 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label10_true-unreach-call.c [2018-09-18 11:38:35,666 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/316654552/0a89a1c904014418938cb5cdc4d90aa8/FLAGccad5f69a [2018-09-18 11:38:35,686 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/316654552/0a89a1c904014418938cb5cdc4d90aa8 [2018-09-18 11:38:35,698 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 11:38:35,702 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 11:38:35,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 11:38:35,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 11:38:35,710 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 11:38:35,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:38:35" (1/1) ... [2018-09-18 11:38:35,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e2a0e6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:38:35, skipping insertion in model container [2018-09-18 11:38:35,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:38:35" (1/1) ... [2018-09-18 11:38:35,728 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 11:38:37,415 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 11:38:37,436 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 11:38:38,200 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 11:38:38,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:38:38 WrapperNode [2018-09-18 11:38:38,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 11:38:38,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 11:38:38,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 11:38:38,573 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 11:38:38,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:38:38" (1/1) ... [2018-09-18 11:38:38,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:38:38" (1/1) ... [2018-09-18 11:38:38,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 11:38:38,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 11:38:38,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 11:38:38,869 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 11:38:39,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:38:38" (1/1) ... [2018-09-18 11:38:39,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:38:38" (1/1) ... [2018-09-18 11:38:39,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:38:38" (1/1) ... [2018-09-18 11:38:39,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:38:38" (1/1) ... [2018-09-18 11:38:39,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:38:38" (1/1) ... [2018-09-18 11:38:39,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:38:38" (1/1) ... [2018-09-18 11:38:40,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:38:38" (1/1) ... [2018-09-18 11:38:40,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 11:38:40,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 11:38:40,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 11:38:40,127 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 11:38:40,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:38:38" (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 11:38:40,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 11:38:40,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 11:38:40,198 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-18 11:38:40,198 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-18 11:38:40,198 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-18 11:38:40,198 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-18 11:38:40,198 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-18 11:38:40,199 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-18 11:38:40,199 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-18 11:38:40,199 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-18 11:38:40,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 11:38:40,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 11:38:40,199 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 11:38:40,200 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 11:38:50,597 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 11:38:50,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:38:50 BoogieIcfgContainer [2018-09-18 11:38:50,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 11:38:50,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 11:38:50,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 11:38:50,602 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 11:38:50,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 11:38:35" (1/3) ... [2018-09-18 11:38:50,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e106890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 11:38:50, skipping insertion in model container [2018-09-18 11:38:50,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:38:38" (2/3) ... [2018-09-18 11:38:50,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e106890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 11:38:50, skipping insertion in model container [2018-09-18 11:38:50,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:38:50" (3/3) ... [2018-09-18 11:38:50,606 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label10_true-unreach-call.c [2018-09-18 11:38:50,614 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 11:38:50,624 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 11:38:50,687 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 11:38:50,688 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 11:38:50,688 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 11:38:50,688 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 11:38:50,689 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 11:38:50,689 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 11:38:50,689 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 11:38:50,689 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 11:38:50,689 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 11:38:50,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-09-18 11:38:50,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-18 11:38:50,747 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:38:50,750 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] [2018-09-18 11:38:50,751 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:38:50,756 INFO L82 PathProgramCache]: Analyzing trace with hash -2099536220, now seen corresponding path program 1 times [2018-09-18 11:38:50,759 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:38:50,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:38:50,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:38:50,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:38:50,809 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:38:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:38:51,270 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 11:38:51,273 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:38:51,273 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-18 11:38:51,273 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:38:51,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-18 11:38:51,313 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-18 11:38:51,314 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-18 11:38:51,320 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 4 states. [2018-09-18 11:39:09,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:39:09,613 INFO L93 Difference]: Finished difference Result 4105 states and 7669 transitions. [2018-09-18 11:39:09,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-18 11:39:09,615 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2018-09-18 11:39:09,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:39:09,658 INFO L225 Difference]: With dead ends: 4105 [2018-09-18 11:39:09,658 INFO L226 Difference]: Without dead ends: 2979 [2018-09-18 11:39:09,670 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-18 11:39:09,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2979 states. [2018-09-18 11:39:09,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2979 to 2849. [2018-09-18 11:39:09,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2849 states. [2018-09-18 11:39:09,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2849 states to 2849 states and 5075 transitions. [2018-09-18 11:39:09,876 INFO L78 Accepts]: Start accepts. Automaton has 2849 states and 5075 transitions. Word has length 54 [2018-09-18 11:39:09,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:39:09,879 INFO L480 AbstractCegarLoop]: Abstraction has 2849 states and 5075 transitions. [2018-09-18 11:39:09,879 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-18 11:39:09,879 INFO L276 IsEmpty]: Start isEmpty. Operand 2849 states and 5075 transitions. [2018-09-18 11:39:09,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-09-18 11:39:09,890 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:39:09,891 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:39:09,891 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:39:09,891 INFO L82 PathProgramCache]: Analyzing trace with hash 5864073, now seen corresponding path program 1 times [2018-09-18 11:39:09,891 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:39:09,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:39:09,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:39:09,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:39:09,893 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:39:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:39:10,303 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:39:10,303 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:39:10,303 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 11:39:10,303 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:39:10,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 11:39:10,306 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 11:39:10,306 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 11:39:10,306 INFO L87 Difference]: Start difference. First operand 2849 states and 5075 transitions. Second operand 6 states. [2018-09-18 11:39:29,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:39:29,854 INFO L93 Difference]: Finished difference Result 10635 states and 19580 transitions. [2018-09-18 11:39:29,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 11:39:29,854 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-09-18 11:39:29,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:39:29,904 INFO L225 Difference]: With dead ends: 10635 [2018-09-18 11:39:29,905 INFO L226 Difference]: Without dead ends: 7792 [2018-09-18 11:39:29,925 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 11:39:29,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7792 states. [2018-09-18 11:39:30,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7792 to 7729. [2018-09-18 11:39:30,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7729 states. [2018-09-18 11:39:30,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7729 states to 7729 states and 12373 transitions. [2018-09-18 11:39:30,168 INFO L78 Accepts]: Start accepts. Automaton has 7729 states and 12373 transitions. Word has length 125 [2018-09-18 11:39:30,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:39:30,169 INFO L480 AbstractCegarLoop]: Abstraction has 7729 states and 12373 transitions. [2018-09-18 11:39:30,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 11:39:30,169 INFO L276 IsEmpty]: Start isEmpty. Operand 7729 states and 12373 transitions. [2018-09-18 11:39:30,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-09-18 11:39:30,178 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:39:30,178 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:39:30,181 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:39:30,182 INFO L82 PathProgramCache]: Analyzing trace with hash 652308344, now seen corresponding path program 1 times [2018-09-18 11:39:30,182 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:39:30,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:39:30,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:39:30,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:39:30,184 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:39:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:39:30,521 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 11:39:30,745 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:39:30,745 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:39:30,746 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 11:39:30,746 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:39:30,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 11:39:30,747 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 11:39:30,747 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 11:39:30,747 INFO L87 Difference]: Start difference. First operand 7729 states and 12373 transitions. Second operand 6 states. [2018-09-18 11:39:44,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:39:44,377 INFO L93 Difference]: Finished difference Result 20526 states and 33998 transitions. [2018-09-18 11:39:44,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 11:39:44,378 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2018-09-18 11:39:44,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:39:44,431 INFO L225 Difference]: With dead ends: 20526 [2018-09-18 11:39:44,431 INFO L226 Difference]: Without dead ends: 12803 [2018-09-18 11:39:44,466 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 11:39:44,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12803 states. [2018-09-18 11:39:44,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12803 to 12725. [2018-09-18 11:39:44,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12725 states. [2018-09-18 11:39:44,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12725 states to 12725 states and 19312 transitions. [2018-09-18 11:39:44,751 INFO L78 Accepts]: Start accepts. Automaton has 12725 states and 19312 transitions. Word has length 128 [2018-09-18 11:39:44,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:39:44,751 INFO L480 AbstractCegarLoop]: Abstraction has 12725 states and 19312 transitions. [2018-09-18 11:39:44,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 11:39:44,752 INFO L276 IsEmpty]: Start isEmpty. Operand 12725 states and 19312 transitions. [2018-09-18 11:39:44,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-09-18 11:39:44,761 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:39:44,765 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:39:44,766 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:39:44,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1098248393, now seen corresponding path program 1 times [2018-09-18 11:39:44,766 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:39:44,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:39:44,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:39:44,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:39:44,768 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:39:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:39:45,225 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:39:45,226 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:39:45,226 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 11:39:45,226 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:39:45,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 11:39:45,227 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 11:39:45,227 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 11:39:45,228 INFO L87 Difference]: Start difference. First operand 12725 states and 19312 transitions. Second operand 5 states. [2018-09-18 11:40:01,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:40:01,710 INFO L93 Difference]: Finished difference Result 38442 states and 61981 transitions. [2018-09-18 11:40:01,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 11:40:01,713 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 214 [2018-09-18 11:40:01,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:40:01,830 INFO L225 Difference]: With dead ends: 38442 [2018-09-18 11:40:01,830 INFO L226 Difference]: Without dead ends: 25723 [2018-09-18 11:40:01,870 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-18 11:40:01,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25723 states. [2018-09-18 11:40:02,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25723 to 25421. [2018-09-18 11:40:02,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25421 states. [2018-09-18 11:40:02,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25421 states to 25421 states and 37358 transitions. [2018-09-18 11:40:02,467 INFO L78 Accepts]: Start accepts. Automaton has 25421 states and 37358 transitions. Word has length 214 [2018-09-18 11:40:02,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:40:02,468 INFO L480 AbstractCegarLoop]: Abstraction has 25421 states and 37358 transitions. [2018-09-18 11:40:02,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 11:40:02,468 INFO L276 IsEmpty]: Start isEmpty. Operand 25421 states and 37358 transitions. [2018-09-18 11:40:02,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-09-18 11:40:02,503 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:40:02,503 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, 2, 2, 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] [2018-09-18 11:40:02,504 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:40:02,504 INFO L82 PathProgramCache]: Analyzing trace with hash -426955638, now seen corresponding path program 1 times [2018-09-18 11:40:02,504 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:40:02,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:40:02,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:40:02,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:40:02,507 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:40:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:40:02,852 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 11:40:03,310 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 94 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:40:03,310 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:40:03,310 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 11:40:03,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:40:03,331 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:40:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:40:03,474 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:40:04,002 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-09-18 11:40:04,003 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:40:04,678 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 94 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:40:04,700 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-18 11:40:04,701 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 11 [2018-09-18 11:40:04,701 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:40:04,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 11:40:04,702 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 11:40:04,702 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-09-18 11:40:04,702 INFO L87 Difference]: Start difference. First operand 25421 states and 37358 transitions. Second operand 5 states. [2018-09-18 11:40:20,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:40:20,216 INFO L93 Difference]: Finished difference Result 76579 states and 118634 transitions. [2018-09-18 11:40:20,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 11:40:20,219 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 287 [2018-09-18 11:40:20,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:40:20,505 INFO L225 Difference]: With dead ends: 76579 [2018-09-18 11:40:20,505 INFO L226 Difference]: Without dead ends: 51164 [2018-09-18 11:40:20,662 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 569 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-18 11:40:20,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51164 states. [2018-09-18 11:40:21,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51164 to 50921. [2018-09-18 11:40:21,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50921 states. [2018-09-18 11:40:21,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50921 states to 50921 states and 74458 transitions. [2018-09-18 11:40:21,930 INFO L78 Accepts]: Start accepts. Automaton has 50921 states and 74458 transitions. Word has length 287 [2018-09-18 11:40:21,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:40:21,930 INFO L480 AbstractCegarLoop]: Abstraction has 50921 states and 74458 transitions. [2018-09-18 11:40:21,930 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 11:40:21,931 INFO L276 IsEmpty]: Start isEmpty. Operand 50921 states and 74458 transitions. [2018-09-18 11:40:21,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-09-18 11:40:21,973 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:40:21,973 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, 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] [2018-09-18 11:40:21,973 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:40:21,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1293694990, now seen corresponding path program 1 times [2018-09-18 11:40:21,974 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:40:21,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:40:21,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:40:21,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:40:21,976 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:40:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:40:22,352 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 11:40:23,127 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 163 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:40:23,127 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:40:23,127 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 11:40:23,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:40:23,142 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:40:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:40:23,243 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:40:23,698 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 163 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:40:23,698 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:40:23,963 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 163 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:40:23,984 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:40:23,985 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 11:40:24,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:40:24,002 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:40:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:40:24,209 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:40:24,562 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 163 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:40:24,563 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:40:24,724 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-09-18 11:40:25,146 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 163 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:40:25,148 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 11:40:25,148 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 15 [2018-09-18 11:40:25,148 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 11:40:25,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-18 11:40:25,149 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-18 11:40:25,149 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2018-09-18 11:40:25,150 INFO L87 Difference]: Start difference. First operand 50921 states and 74458 transitions. Second operand 9 states. [2018-09-18 11:40:48,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:40:48,417 INFO L93 Difference]: Finished difference Result 190814 states and 352794 transitions. [2018-09-18 11:40:48,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-09-18 11:40:48,418 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 296 [2018-09-18 11:40:48,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:40:49,223 INFO L225 Difference]: With dead ends: 190814 [2018-09-18 11:40:49,223 INFO L226 Difference]: Without dead ends: 139899 [2018-09-18 11:40:49,542 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1222 GetRequests, 1183 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=311, Invalid=1171, Unknown=0, NotChecked=0, Total=1482 [2018-09-18 11:40:49,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139899 states. [2018-09-18 11:40:53,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139899 to 139226. [2018-09-18 11:40:53,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139226 states. [2018-09-18 11:40:53,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139226 states to 139226 states and 203426 transitions. [2018-09-18 11:40:53,348 INFO L78 Accepts]: Start accepts. Automaton has 139226 states and 203426 transitions. Word has length 296 [2018-09-18 11:40:53,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:40:53,349 INFO L480 AbstractCegarLoop]: Abstraction has 139226 states and 203426 transitions. [2018-09-18 11:40:53,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-18 11:40:53,349 INFO L276 IsEmpty]: Start isEmpty. Operand 139226 states and 203426 transitions. [2018-09-18 11:40:53,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-09-18 11:40:53,397 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:40:53,397 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-18 11:40:53,397 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:40:53,398 INFO L82 PathProgramCache]: Analyzing trace with hash 825449335, now seen corresponding path program 1 times [2018-09-18 11:40:53,398 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:40:53,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:40:53,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:40:53,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:40:53,399 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:40:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:40:53,764 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 6 [2018-09-18 11:40:53,813 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 94 proven. 2 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-09-18 11:40:53,814 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:40:53,814 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 11:40:53,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:40:53,821 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:40:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:40:53,928 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:40:54,071 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-09-18 11:40:54,072 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:40:54,206 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 94 proven. 2 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-09-18 11:40:54,226 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-18 11:40:54,227 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 4 [2018-09-18 11:40:54,227 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:40:54,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 11:40:54,228 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 11:40:54,228 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-18 11:40:54,228 INFO L87 Difference]: Start difference. First operand 139226 states and 203426 transitions. Second operand 3 states. [2018-09-18 11:41:06,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:41:06,164 INFO L93 Difference]: Finished difference Result 299437 states and 448956 transitions. [2018-09-18 11:41:06,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 11:41:06,164 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 343 [2018-09-18 11:41:06,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:41:06,891 INFO L225 Difference]: With dead ends: 299437 [2018-09-18 11:41:06,891 INFO L226 Difference]: Without dead ends: 181122 [2018-09-18 11:41:07,168 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 688 GetRequests, 686 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-18 11:41:07,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181122 states. [2018-09-18 11:41:11,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181122 to 176273. [2018-09-18 11:41:11,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176273 states. [2018-09-18 11:41:11,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176273 states to 176273 states and 243572 transitions. [2018-09-18 11:41:11,782 INFO L78 Accepts]: Start accepts. Automaton has 176273 states and 243572 transitions. Word has length 343 [2018-09-18 11:41:11,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:41:11,782 INFO L480 AbstractCegarLoop]: Abstraction has 176273 states and 243572 transitions. [2018-09-18 11:41:11,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 11:41:11,782 INFO L276 IsEmpty]: Start isEmpty. Operand 176273 states and 243572 transitions. [2018-09-18 11:41:11,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2018-09-18 11:41:11,886 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:41:11,887 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:41:11,887 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:41:11,887 INFO L82 PathProgramCache]: Analyzing trace with hash -529324942, now seen corresponding path program 1 times [2018-09-18 11:41:11,888 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:41:11,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:41:11,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:41:11,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:41:11,889 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:41:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:41:12,331 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 219 proven. 74 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-09-18 11:41:12,332 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:41:12,332 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:41:12,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:41:12,343 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:41:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:41:12,471 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:41:14,260 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 360 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-09-18 11:41:14,260 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:41:14,567 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 219 proven. 74 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-09-18 11:41:14,589 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:41:14,589 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 7 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 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 11:41:14,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:41:14,605 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:41:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:41:14,894 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:41:15,200 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 235 proven. 90 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-09-18 11:41:15,200 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:41:15,471 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 321 proven. 4 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-09-18 11:41:15,473 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 11:41:15,473 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6, 4, 4] total 19 [2018-09-18 11:41:15,474 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 11:41:15,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-18 11:41:15,475 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-18 11:41:15,475 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2018-09-18 11:41:15,476 INFO L87 Difference]: Start difference. First operand 176273 states and 243572 transitions. Second operand 12 states. [2018-09-18 11:42:07,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:42:07,352 INFO L93 Difference]: Finished difference Result 579553 states and 837174 transitions. [2018-09-18 11:42:07,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-09-18 11:42:07,352 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 420 [2018-09-18 11:42:07,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:42:09,157 INFO L225 Difference]: With dead ends: 579553 [2018-09-18 11:42:09,157 INFO L226 Difference]: Without dead ends: 383737 [2018-09-18 11:42:09,563 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1764 GetRequests, 1707 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 834 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=719, Invalid=2587, Unknown=0, NotChecked=0, Total=3306 [2018-09-18 11:42:09,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383737 states. [2018-09-18 11:42:15,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383737 to 368938. [2018-09-18 11:42:15,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368938 states. [2018-09-18 11:42:17,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368938 states to 368938 states and 504841 transitions. [2018-09-18 11:42:17,443 INFO L78 Accepts]: Start accepts. Automaton has 368938 states and 504841 transitions. Word has length 420 [2018-09-18 11:42:17,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:42:17,443 INFO L480 AbstractCegarLoop]: Abstraction has 368938 states and 504841 transitions. [2018-09-18 11:42:17,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-18 11:42:17,444 INFO L276 IsEmpty]: Start isEmpty. Operand 368938 states and 504841 transitions. [2018-09-18 11:42:17,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2018-09-18 11:42:17,502 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:42:17,502 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:42:17,502 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:42:17,503 INFO L82 PathProgramCache]: Analyzing trace with hash 771887641, now seen corresponding path program 1 times [2018-09-18 11:42:17,503 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:42:17,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:42:17,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:42:17,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:42:17,504 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:42:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:42:17,980 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 370 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-09-18 11:42:17,980 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:42:17,980 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:42:17,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:42:17,987 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:42:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:42:18,121 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:42:18,249 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 370 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-09-18 11:42:18,250 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:42:19,505 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 370 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-09-18 11:42:19,528 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:42:19,528 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 9 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 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 11:42:19,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:42:19,543 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:42:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:42:19,848 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:42:20,176 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 15 [2018-09-18 11:42:20,408 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 370 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-09-18 11:42:20,408 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:42:20,711 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 370 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-09-18 11:42:20,713 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 11:42:20,714 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 6, 5] total 13 [2018-09-18 11:42:20,714 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 11:42:20,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 11:42:20,716 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 11:42:20,716 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2018-09-18 11:42:20,717 INFO L87 Difference]: Start difference. First operand 368938 states and 504841 transitions. Second operand 6 states. Received shutdown request... [2018-09-18 11:42:20,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 11:42:20,828 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-18 11:42:20,833 WARN L206 ceAbstractionStarter]: Timeout [2018-09-18 11:42:20,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 11:42:20 BoogieIcfgContainer [2018-09-18 11:42:20,833 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 11:42:20,834 INFO L168 Benchmark]: Toolchain (without parser) took 225134.88 ms. Allocated memory was 1.5 GB in the beginning and 4.8 GB in the end (delta: 3.3 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -641.4 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-09-18 11:42:20,835 INFO L168 Benchmark]: CDTParser took 0.19 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 11:42:20,836 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2869.57 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 348.8 MB). Peak memory consumption was 348.8 MB. Max. memory is 7.1 GB. [2018-09-18 11:42:20,838 INFO L168 Benchmark]: Boogie Procedure Inliner took 295.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 7.1 GB. [2018-09-18 11:42:20,839 INFO L168 Benchmark]: Boogie Preprocessor took 1258.34 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.0 GB). Free memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. [2018-09-18 11:42:20,840 INFO L168 Benchmark]: RCFGBuilder took 10470.90 ms. Allocated memory was 2.6 GB in the beginning and 2.7 GB in the end (delta: 151.5 MB). Free memory was 2.4 GB in the beginning and 2.3 GB in the end (delta: 21.5 MB). Peak memory consumption was 736.2 MB. Max. memory is 7.1 GB. [2018-09-18 11:42:20,841 INFO L168 Benchmark]: TraceAbstraction took 210234.72 ms. Allocated memory was 2.7 GB in the beginning and 4.8 GB in the end (delta: 2.1 GB). Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 278.6 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-09-18 11:42:20,847 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 2869.57 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 348.8 MB). Peak memory consumption was 348.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 295.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1258.34 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.0 GB). Free memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10470.90 ms. Allocated memory was 2.6 GB in the beginning and 2.7 GB in the end (delta: 151.5 MB). Free memory was 2.4 GB in the beginning and 2.3 GB in the end (delta: 21.5 MB). Peak memory consumption was 736.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 210234.72 ms. Allocated memory was 2.7 GB in the beginning and 4.8 GB in the end (delta: 2.1 GB). Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 278.6 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 153]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 153). Cancelled while BasicCegarLoop was constructing difference of abstraction (368938states) and FLOYD_HOARE automaton (currently 3 states, 6 states before enhancement), while ReachableStatesComputation was computing reachable states (39 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 210.1s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 175.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4732 SDtfs, 49912 SDslu, 5484 SDs, 0 SdLazy, 67332 SolverSat, 20097 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 141.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6152 GetRequests, 6001 SyntacticMatches, 11 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1192 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=368938occurred in iteration=8, 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: 18.8s AutomataMinimizationTime, 8 MinimizatonAttempts, 21137 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 11.7s InterpolantComputationTime, 5321 NumberOfCodeBlocks, 5321 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 8286 ConstructedInterpolants, 8 QuantifiedInterpolants, 7567778 SizeOfPredicates, 14 NumberOfNonLiveVariables, 4912 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 25 InterpolantComputations, 6 PerfectInterpolantSequences, 6067/6471 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/Problem13_label10_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_11-42-20-862.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label10_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-18_11-42-20-862.csv Completed graceful shutdown