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/Problem18_label30_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 12:22:22,695 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 12:22:22,697 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 12:22:22,715 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 12:22:22,715 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 12:22:22,716 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 12:22:22,718 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 12:22:22,720 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 12:22:22,722 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 12:22:22,723 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 12:22:22,724 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 12:22:22,724 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 12:22:22,725 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 12:22:22,726 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 12:22:22,727 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 12:22:22,728 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 12:22:22,729 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 12:22:22,733 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 12:22:22,735 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 12:22:22,740 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 12:22:22,745 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 12:22:22,746 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 12:22:22,751 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-18 12:22:22,767 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 12:22:22,799 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 12:22:22,799 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 12:22:22,803 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 12:22:22,803 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 12:22:22,803 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 12:22:22,804 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 12:22:22,804 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 12:22:22,804 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 12:22:22,804 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 12:22:22,805 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 12:22:22,805 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 12:22:22,805 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 12:22:22,806 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 12:22:22,807 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 12:22:22,807 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 12:22:22,807 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 12:22:22,809 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 12:22:22,809 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 12:22:22,810 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 12:22:22,810 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 12:22:22,810 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 12:22:22,810 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 12:22:22,811 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 12:22:22,811 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 12:22:22,811 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 12:22:22,812 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 12:22:22,812 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 12:22:22,812 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 12:22:22,812 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 12:22:22,812 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 12:22:22,813 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 12:22:22,813 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 12:22:22,813 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 12:22:22,813 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 12:22:22,884 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 12:22:22,900 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 12:22:22,905 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 12:22:22,907 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 12:22:22,908 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 12:22:22,909 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label30_true-unreach-call.c [2018-09-18 12:22:23,264 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3c433679/ae91b07fc81d4595bb476e38770821da/FLAGd65f93140 [2018-09-18 12:22:23,688 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 12:22:23,689 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label30_true-unreach-call.c [2018-09-18 12:22:23,713 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3c433679/ae91b07fc81d4595bb476e38770821da/FLAGd65f93140 [2018-09-18 12:22:23,729 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3c433679/ae91b07fc81d4595bb476e38770821da [2018-09-18 12:22:23,741 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 12:22:23,745 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 12:22:23,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 12:22:23,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 12:22:23,753 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 12:22:23,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:22:23" (1/1) ... [2018-09-18 12:22:23,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc6b832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:22:23, skipping insertion in model container [2018-09-18 12:22:23,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:22:23" (1/1) ... [2018-09-18 12:22:23,771 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 12:22:24,868 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 12:22:24,890 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 12:22:25,329 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 12:22:25,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:22:25 WrapperNode [2018-09-18 12:22:25,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 12:22:25,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 12:22:25,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 12:22:25,470 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 12:22:25,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:22:25" (1/1) ... [2018-09-18 12:22:25,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:22:25" (1/1) ... [2018-09-18 12:22:25,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 12:22:25,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 12:22:25,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 12:22:25,634 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 12:22:26,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:22:25" (1/1) ... [2018-09-18 12:22:26,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:22:25" (1/1) ... [2018-09-18 12:22:26,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:22:25" (1/1) ... [2018-09-18 12:22:26,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:22:25" (1/1) ... [2018-09-18 12:22:26,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:22:25" (1/1) ... [2018-09-18 12:22:26,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:22:25" (1/1) ... [2018-09-18 12:22:26,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:22:25" (1/1) ... [2018-09-18 12:22:26,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 12:22:26,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 12:22:26,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 12:22:26,280 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 12:22:26,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:22:25" (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 12:22:26,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 12:22:26,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 12:22:26,359 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-18 12:22:26,360 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-18 12:22:26,360 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-18 12:22:26,360 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-18 12:22:26,360 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-18 12:22:26,360 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-18 12:22:26,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 12:22:26,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 12:22:26,361 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 12:22:26,361 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 12:22:34,377 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 12:22:34,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:22:34 BoogieIcfgContainer [2018-09-18 12:22:34,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 12:22:34,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 12:22:34,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 12:22:34,384 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 12:22:34,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 12:22:23" (1/3) ... [2018-09-18 12:22:34,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a8b1377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 12:22:34, skipping insertion in model container [2018-09-18 12:22:34,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:22:25" (2/3) ... [2018-09-18 12:22:34,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a8b1377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 12:22:34, skipping insertion in model container [2018-09-18 12:22:34,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:22:34" (3/3) ... [2018-09-18 12:22:34,388 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem18_label30_true-unreach-call.c [2018-09-18 12:22:34,398 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 12:22:34,409 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 12:22:34,469 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 12:22:34,470 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 12:22:34,471 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 12:22:34,471 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 12:22:34,471 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 12:22:34,471 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 12:22:34,471 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 12:22:34,471 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 12:22:34,471 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 12:22:34,517 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states. [2018-09-18 12:22:34,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-18 12:22:34,526 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:22:34,527 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] [2018-09-18 12:22:34,529 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:22:34,533 INFO L82 PathProgramCache]: Analyzing trace with hash 2116267860, now seen corresponding path program 1 times [2018-09-18 12:22:34,536 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:22:34,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:22:34,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:22:34,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:22:34,585 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:22:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:22:35,077 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 12:22:35,080 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:22:35,081 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-18 12:22:35,081 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:22:35,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-18 12:22:35,104 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-18 12:22:35,105 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-18 12:22:35,108 INFO L87 Difference]: Start difference. First operand 775 states. Second operand 4 states. [2018-09-18 12:22:46,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:22:46,023 INFO L93 Difference]: Finished difference Result 2974 states and 5747 transitions. [2018-09-18 12:22:46,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-18 12:22:46,026 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2018-09-18 12:22:46,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:22:46,066 INFO L225 Difference]: With dead ends: 2974 [2018-09-18 12:22:46,066 INFO L226 Difference]: Without dead ends: 2193 [2018-09-18 12:22:46,083 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 12:22:46,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2193 states. [2018-09-18 12:22:46,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2193 to 2193. [2018-09-18 12:22:46,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2193 states. [2018-09-18 12:22:46,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 2193 states and 3506 transitions. [2018-09-18 12:22:46,304 INFO L78 Accepts]: Start accepts. Automaton has 2193 states and 3506 transitions. Word has length 50 [2018-09-18 12:22:46,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:22:46,305 INFO L480 AbstractCegarLoop]: Abstraction has 2193 states and 3506 transitions. [2018-09-18 12:22:46,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-18 12:22:46,305 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 3506 transitions. [2018-09-18 12:22:46,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-09-18 12:22:46,314 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:22:46,315 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:22:46,315 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:22:46,315 INFO L82 PathProgramCache]: Analyzing trace with hash -940653118, now seen corresponding path program 1 times [2018-09-18 12:22:46,315 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:22:46,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:22:46,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:22:46,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:22:46,317 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:22:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:22:46,564 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:22:46,564 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:22:46,564 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 12:22:46,565 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:22:46,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 12:22:46,567 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 12:22:46,567 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 12:22:46,567 INFO L87 Difference]: Start difference. First operand 2193 states and 3506 transitions. Second operand 5 states. [2018-09-18 12:22:56,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:22:56,073 INFO L93 Difference]: Finished difference Result 6600 states and 10738 transitions. [2018-09-18 12:22:56,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 12:22:56,077 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2018-09-18 12:22:56,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:22:56,110 INFO L225 Difference]: With dead ends: 6600 [2018-09-18 12:22:56,111 INFO L226 Difference]: Without dead ends: 4413 [2018-09-18 12:22:56,118 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 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 12:22:56,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4413 states. [2018-09-18 12:22:56,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4413 to 4378. [2018-09-18 12:22:56,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4378 states. [2018-09-18 12:22:56,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4378 states to 4378 states and 6712 transitions. [2018-09-18 12:22:56,248 INFO L78 Accepts]: Start accepts. Automaton has 4378 states and 6712 transitions. Word has length 120 [2018-09-18 12:22:56,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:22:56,249 INFO L480 AbstractCegarLoop]: Abstraction has 4378 states and 6712 transitions. [2018-09-18 12:22:56,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 12:22:56,249 INFO L276 IsEmpty]: Start isEmpty. Operand 4378 states and 6712 transitions. [2018-09-18 12:22:56,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-09-18 12:22:56,258 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:22:56,258 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:22:56,258 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:22:56,259 INFO L82 PathProgramCache]: Analyzing trace with hash 599162315, now seen corresponding path program 1 times [2018-09-18 12:22:56,259 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:22:56,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:22:56,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:22:56,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:22:56,260 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:22:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:22:56,513 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:22:56,514 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:22:56,514 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 12:22:56,514 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:22:56,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 12:22:56,515 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 12:22:56,515 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 12:22:56,516 INFO L87 Difference]: Start difference. First operand 4378 states and 6712 transitions. Second operand 6 states. [2018-09-18 12:23:02,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:23:02,052 INFO L93 Difference]: Finished difference Result 11002 states and 16943 transitions. [2018-09-18 12:23:02,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 12:23:02,052 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-09-18 12:23:02,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:23:02,089 INFO L225 Difference]: With dead ends: 11002 [2018-09-18 12:23:02,089 INFO L226 Difference]: Without dead ends: 6630 [2018-09-18 12:23:02,104 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 12:23:02,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6630 states. [2018-09-18 12:23:02,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6630 to 6590. [2018-09-18 12:23:02,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6590 states. [2018-09-18 12:23:02,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6590 states to 6590 states and 8773 transitions. [2018-09-18 12:23:02,274 INFO L78 Accepts]: Start accepts. Automaton has 6590 states and 8773 transitions. Word has length 147 [2018-09-18 12:23:02,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:23:02,275 INFO L480 AbstractCegarLoop]: Abstraction has 6590 states and 8773 transitions. [2018-09-18 12:23:02,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 12:23:02,275 INFO L276 IsEmpty]: Start isEmpty. Operand 6590 states and 8773 transitions. [2018-09-18 12:23:02,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-09-18 12:23:02,278 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:23:02,278 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:23:02,279 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:23:02,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1887894889, now seen corresponding path program 1 times [2018-09-18 12:23:02,279 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:23:02,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:23:02,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:23:02,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:23:02,283 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:23:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:23:02,445 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:23:02,446 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:23:02,446 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-18 12:23:02,446 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:23:02,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-18 12:23:02,447 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-18 12:23:02,447 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-18 12:23:02,447 INFO L87 Difference]: Start difference. First operand 6590 states and 8773 transitions. Second operand 4 states. [2018-09-18 12:23:08,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:23:08,431 INFO L93 Difference]: Finished difference Result 13174 states and 17554 transitions. [2018-09-18 12:23:08,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-18 12:23:08,432 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 157 [2018-09-18 12:23:08,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:23:08,457 INFO L225 Difference]: With dead ends: 13174 [2018-09-18 12:23:08,457 INFO L226 Difference]: Without dead ends: 6590 [2018-09-18 12:23:08,478 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-18 12:23:08,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6590 states. [2018-09-18 12:23:08,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6590 to 6590. [2018-09-18 12:23:08,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6590 states. [2018-09-18 12:23:08,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6590 states to 6590 states and 8069 transitions. [2018-09-18 12:23:08,605 INFO L78 Accepts]: Start accepts. Automaton has 6590 states and 8069 transitions. Word has length 157 [2018-09-18 12:23:08,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:23:08,605 INFO L480 AbstractCegarLoop]: Abstraction has 6590 states and 8069 transitions. [2018-09-18 12:23:08,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-18 12:23:08,606 INFO L276 IsEmpty]: Start isEmpty. Operand 6590 states and 8069 transitions. [2018-09-18 12:23:08,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-09-18 12:23:08,608 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:23:08,609 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, 2, 2, 2, 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] [2018-09-18 12:23:08,609 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:23:08,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1024574149, now seen corresponding path program 1 times [2018-09-18 12:23:08,609 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:23:08,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:23:08,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:23:08,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:23:08,611 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:23:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:23:08,795 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-09-18 12:23:08,795 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:23:08,795 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-18 12:23:08,795 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:23:08,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-18 12:23:08,796 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-18 12:23:08,796 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-18 12:23:08,797 INFO L87 Difference]: Start difference. First operand 6590 states and 8069 transitions. Second operand 4 states. [2018-09-18 12:23:15,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:23:15,641 INFO L93 Difference]: Finished difference Result 26016 states and 32711 transitions. [2018-09-18 12:23:15,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-18 12:23:15,641 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 227 [2018-09-18 12:23:15,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:23:15,705 INFO L225 Difference]: With dead ends: 26016 [2018-09-18 12:23:15,705 INFO L226 Difference]: Without dead ends: 19432 [2018-09-18 12:23:15,726 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-18 12:23:15,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19432 states. [2018-09-18 12:23:16,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19432 to 19432. [2018-09-18 12:23:16,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19432 states. [2018-09-18 12:23:16,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19432 states to 19432 states and 23497 transitions. [2018-09-18 12:23:16,091 INFO L78 Accepts]: Start accepts. Automaton has 19432 states and 23497 transitions. Word has length 227 [2018-09-18 12:23:16,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:23:16,092 INFO L480 AbstractCegarLoop]: Abstraction has 19432 states and 23497 transitions. [2018-09-18 12:23:16,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-18 12:23:16,092 INFO L276 IsEmpty]: Start isEmpty. Operand 19432 states and 23497 transitions. [2018-09-18 12:23:16,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 579 [2018-09-18 12:23:16,134 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:23:16,135 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:23:16,135 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:23:16,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1794025893, now seen corresponding path program 1 times [2018-09-18 12:23:16,136 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:23:16,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:23:16,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:23:16,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:23:16,137 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:23:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:23:16,669 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 12:23:17,835 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 87 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:23:17,835 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:23:17,835 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 12:23:17,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:23:17,844 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:23:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:23:18,033 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:23:18,738 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 207 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:23:18,739 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:23:19,757 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 207 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:23:19,779 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:23:19,779 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 3 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 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 12:23:19,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:23:19,797 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:23:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:23:20,133 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:23:20,733 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 207 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:23:20,733 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:23:21,518 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 207 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:23:21,521 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 12:23:21,522 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5, 5, 5] total 16 [2018-09-18 12:23:21,522 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 12:23:21,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-18 12:23:21,524 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-18 12:23:21,524 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2018-09-18 12:23:21,525 INFO L87 Difference]: Start difference. First operand 19432 states and 23497 transitions. Second operand 13 states. [2018-09-18 12:23:22,026 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2018-09-18 12:23:37,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:23:37,439 INFO L93 Difference]: Finished difference Result 70167 states and 89257 transitions. [2018-09-18 12:23:37,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-09-18 12:23:37,439 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 578 [2018-09-18 12:23:37,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:23:37,717 INFO L225 Difference]: With dead ends: 70167 [2018-09-18 12:23:37,717 INFO L226 Difference]: Without dead ends: 50472 [2018-09-18 12:23:37,926 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2376 GetRequests, 2321 SyntacticMatches, 5 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 721 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=680, Invalid=1972, Unknown=0, NotChecked=0, Total=2652 [2018-09-18 12:23:37,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50472 states. [2018-09-18 12:23:39,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50472 to 49459. [2018-09-18 12:23:39,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49459 states. [2018-09-18 12:23:39,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49459 states to 49459 states and 57001 transitions. [2018-09-18 12:23:39,452 INFO L78 Accepts]: Start accepts. Automaton has 49459 states and 57001 transitions. Word has length 578 [2018-09-18 12:23:39,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:23:39,460 INFO L480 AbstractCegarLoop]: Abstraction has 49459 states and 57001 transitions. [2018-09-18 12:23:39,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-18 12:23:39,460 INFO L276 IsEmpty]: Start isEmpty. Operand 49459 states and 57001 transitions. [2018-09-18 12:23:39,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2018-09-18 12:23:39,568 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:23:39,569 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:23:39,569 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:23:39,570 INFO L82 PathProgramCache]: Analyzing trace with hash -698490839, now seen corresponding path program 1 times [2018-09-18 12:23:39,570 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:23:39,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:23:39,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:23:39,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:23:39,571 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:23:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:23:40,496 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 326 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-09-18 12:23:40,496 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:23:40,496 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 12:23:40,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:23:40,505 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:23:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:23:40,659 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:23:40,956 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 326 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-09-18 12:23:40,956 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:23:41,620 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 326 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-09-18 12:23:41,642 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:23:41,642 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 5 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 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 12:23:41,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:23:41,660 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:23:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:23:42,002 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:23:42,917 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 326 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-09-18 12:23:42,918 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:23:43,238 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 326 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-09-18 12:23:43,240 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 12:23:43,241 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5, 5, 5] total 17 [2018-09-18 12:23:43,241 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 12:23:43,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-18 12:23:43,243 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-18 12:23:43,244 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2018-09-18 12:23:43,244 INFO L87 Difference]: Start difference. First operand 49459 states and 57001 transitions. Second operand 10 states. [2018-09-18 12:24:17,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:24:17,272 INFO L93 Difference]: Finished difference Result 158665 states and 218028 transitions. [2018-09-18 12:24:17,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-09-18 12:24:17,273 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 608 [2018-09-18 12:24:17,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:24:17,939 INFO L225 Difference]: With dead ends: 158665 [2018-09-18 12:24:17,940 INFO L226 Difference]: Without dead ends: 98238 [2018-09-18 12:24:18,419 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2514 GetRequests, 2455 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1010 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=665, Invalid=2875, Unknown=0, NotChecked=0, Total=3540 [2018-09-18 12:24:18,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98238 states. [2018-09-18 12:24:20,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98238 to 96036. [2018-09-18 12:24:20,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96036 states. [2018-09-18 12:24:21,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96036 states to 96036 states and 114171 transitions. [2018-09-18 12:24:21,053 INFO L78 Accepts]: Start accepts. Automaton has 96036 states and 114171 transitions. Word has length 608 [2018-09-18 12:24:21,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:24:21,053 INFO L480 AbstractCegarLoop]: Abstraction has 96036 states and 114171 transitions. [2018-09-18 12:24:21,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-18 12:24:21,054 INFO L276 IsEmpty]: Start isEmpty. Operand 96036 states and 114171 transitions. [2018-09-18 12:24:21,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2018-09-18 12:24:21,261 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:24:21,261 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, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:21,262 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:24:21,262 INFO L82 PathProgramCache]: Analyzing trace with hash 640437877, now seen corresponding path program 1 times [2018-09-18 12:24:21,262 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:24:21,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:24:21,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:24:21,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:24:21,263 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:24:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:24:21,791 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2018-09-18 12:24:21,791 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:24:21,791 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-18 12:24:21,791 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:24:21,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-18 12:24:21,793 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-18 12:24:21,793 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-18 12:24:21,793 INFO L87 Difference]: Start difference. First operand 96036 states and 114171 transitions. Second operand 4 states. [2018-09-18 12:24:31,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:24:31,313 INFO L93 Difference]: Finished difference Result 209716 states and 251077 transitions. [2018-09-18 12:24:31,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-18 12:24:31,313 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 588 [2018-09-18 12:24:31,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:24:31,772 INFO L225 Difference]: With dead ends: 209716 [2018-09-18 12:24:31,772 INFO L226 Difference]: Without dead ends: 113696 [2018-09-18 12:24:32,048 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-18 12:24:32,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113696 states. [2018-09-18 12:24:33,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113696 to 112973. [2018-09-18 12:24:33,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112973 states. [2018-09-18 12:24:33,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112973 states to 112973 states and 131639 transitions. [2018-09-18 12:24:33,658 INFO L78 Accepts]: Start accepts. Automaton has 112973 states and 131639 transitions. Word has length 588 [2018-09-18 12:24:33,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:24:33,659 INFO L480 AbstractCegarLoop]: Abstraction has 112973 states and 131639 transitions. [2018-09-18 12:24:33,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-18 12:24:33,659 INFO L276 IsEmpty]: Start isEmpty. Operand 112973 states and 131639 transitions. [2018-09-18 12:24:33,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 819 [2018-09-18 12:24:33,836 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:24:33,837 INFO L376 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:33,837 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:24:33,837 INFO L82 PathProgramCache]: Analyzing trace with hash -297775719, now seen corresponding path program 1 times [2018-09-18 12:24:33,838 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:24:33,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:24:33,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:24:33,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:24:33,839 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:24:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:24:35,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 315 proven. 239 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2018-09-18 12:24:35,559 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:24:35,559 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 12:24:35,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:24:35,567 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:24:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:24:35,802 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:24:36,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 690 proven. 2 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2018-09-18 12:24:36,140 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:24:36,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 315 proven. 239 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2018-09-18 12:24:36,624 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:24:36,624 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 12:24:36,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:24:36,640 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:24:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:24:37,073 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:24:37,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 690 proven. 2 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2018-09-18 12:24:37,967 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:24:38,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 315 proven. 239 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2018-09-18 12:24:38,464 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 12:24:38,465 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 12 [2018-09-18 12:24:38,465 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 12:24:38,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-18 12:24:38,467 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-18 12:24:38,467 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-09-18 12:24:38,467 INFO L87 Difference]: Start difference. First operand 112973 states and 131639 transitions. Second operand 9 states. [2018-09-18 12:24:52,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:24:52,579 INFO L93 Difference]: Finished difference Result 229361 states and 270674 transitions. [2018-09-18 12:24:52,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-18 12:24:52,579 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 818 [2018-09-18 12:24:52,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:24:52,914 INFO L225 Difference]: With dead ends: 229361 [2018-09-18 12:24:52,914 INFO L226 Difference]: Without dead ends: 117232 [2018-09-18 12:24:53,134 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3294 GetRequests, 3269 SyntacticMatches, 6 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=140, Invalid=280, Unknown=0, NotChecked=0, Total=420 [2018-09-18 12:24:53,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117232 states. [2018-09-18 12:24:55,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117232 to 115691. [2018-09-18 12:24:55,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115691 states. [2018-09-18 12:24:55,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115691 states to 115691 states and 131033 transitions. [2018-09-18 12:24:55,565 INFO L78 Accepts]: Start accepts. Automaton has 115691 states and 131033 transitions. Word has length 818 [2018-09-18 12:24:55,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:24:55,566 INFO L480 AbstractCegarLoop]: Abstraction has 115691 states and 131033 transitions. [2018-09-18 12:24:55,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-18 12:24:55,566 INFO L276 IsEmpty]: Start isEmpty. Operand 115691 states and 131033 transitions. [2018-09-18 12:24:55,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1016 [2018-09-18 12:24:55,692 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:24:55,693 INFO L376 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:55,693 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:24:55,694 INFO L82 PathProgramCache]: Analyzing trace with hash -9784890, now seen corresponding path program 1 times [2018-09-18 12:24:55,694 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:24:55,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:24:55,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:24:55,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:24:55,695 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:24:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:24:56,448 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-18 12:24:56,772 WARN L178 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-18 12:24:59,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2073 backedges. 720 proven. 816 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2018-09-18 12:24:59,034 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:24:59,034 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 12:24:59,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:24:59,043 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:24:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:24:59,344 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:25:00,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2073 backedges. 1254 proven. 2 refuted. 0 times theorem prover too weak. 817 trivial. 0 not checked. [2018-09-18 12:25:00,250 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:25:01,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2073 backedges. 763 proven. 96 refuted. 0 times theorem prover too weak. 1214 trivial. 0 not checked. [2018-09-18 12:25:01,054 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:25:01,055 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 12:25:01,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:25:01,074 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:25:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:25:01,628 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:25:02,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2073 backedges. 1254 proven. 2 refuted. 0 times theorem prover too weak. 817 trivial. 0 not checked. [2018-09-18 12:25:02,503 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:25:03,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2073 backedges. 763 proven. 96 refuted. 0 times theorem prover too weak. 1214 trivial. 0 not checked. [2018-09-18 12:25:03,407 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 12:25:03,409 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 5, 5, 5, 5] total 27 [2018-09-18 12:25:03,409 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 12:25:03,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-09-18 12:25:03,411 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-09-18 12:25:03,411 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=593, Unknown=0, NotChecked=0, Total=702 [2018-09-18 12:25:03,411 INFO L87 Difference]: Start difference. First operand 115691 states and 131033 transitions. Second operand 21 states. [2018-09-18 12:25:14,051 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2018-09-18 12:25:21,914 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2018-09-18 12:25:23,369 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 20 [2018-09-18 12:25:26,567 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2018-09-18 12:25:31,112 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 36 [2018-09-18 12:25:32,515 WARN L178 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2018-09-18 12:25:34,809 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2018-09-18 12:25:39,372 WARN L178 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 20 [2018-09-18 12:25:40,195 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-09-18 12:25:48,240 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2018-09-18 12:25:49,761 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2018-09-18 12:25:56,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:25:56,186 INFO L93 Difference]: Finished difference Result 243600 states and 285079 transitions. [2018-09-18 12:25:56,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2018-09-18 12:25:56,187 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 1015 [2018-09-18 12:25:56,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:25:56,491 INFO L225 Difference]: With dead ends: 243600 [2018-09-18 12:25:56,492 INFO L226 Difference]: Without dead ends: 95783 [2018-09-18 12:25:56,795 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4340 GetRequests, 4169 SyntacticMatches, 2 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11132 ImplicationChecksByTransitivity, 12.7s TimeCoverageRelationStatistics Valid=3837, Invalid=25233, Unknown=0, NotChecked=0, Total=29070 [2018-09-18 12:25:56,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95783 states. [2018-09-18 12:25:58,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95783 to 92344. [2018-09-18 12:25:58,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92344 states. [2018-09-18 12:25:58,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92344 states to 92344 states and 100801 transitions. [2018-09-18 12:25:58,807 INFO L78 Accepts]: Start accepts. Automaton has 92344 states and 100801 transitions. Word has length 1015 [2018-09-18 12:25:58,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:25:58,808 INFO L480 AbstractCegarLoop]: Abstraction has 92344 states and 100801 transitions. [2018-09-18 12:25:58,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-09-18 12:25:58,808 INFO L276 IsEmpty]: Start isEmpty. Operand 92344 states and 100801 transitions. [2018-09-18 12:25:58,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1230 [2018-09-18 12:25:58,887 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:25:58,888 INFO L376 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:58,888 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:25:58,889 INFO L82 PathProgramCache]: Analyzing trace with hash -284751048, now seen corresponding path program 1 times [2018-09-18 12:25:58,890 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:25:58,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:25:58,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:25:58,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:25:58,891 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:25:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:25:59,925 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 13 [2018-09-18 12:26:03,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 502 proven. 159 refuted. 0 times theorem prover too weak. 1061 trivial. 0 not checked. [2018-09-18 12:26:03,935 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:26:03,935 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 12:26:03,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:26:03,945 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:26:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:26:04,274 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:26:05,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 1492 proven. 6 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2018-09-18 12:26:05,450 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:26:06,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 777 proven. 493 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2018-09-18 12:26:06,798 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:26:06,798 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 11 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 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 12:26:06,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:26:06,815 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) Received shutdown request... [2018-09-18 12:26:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:26:07,457 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:26:07,465 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-09-18 12:26:07,666 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 12:26:07,667 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-18 12:26:07,672 WARN L206 ceAbstractionStarter]: Timeout [2018-09-18 12:26:07,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 12:26:07 BoogieIcfgContainer [2018-09-18 12:26:07,672 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 12:26:07,673 INFO L168 Benchmark]: Toolchain (without parser) took 223931.45 ms. Allocated memory was 1.5 GB in the beginning and 4.7 GB in the end (delta: 3.2 GB). Free memory was 1.4 GB in the beginning and 3.1 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-09-18 12:26:07,674 INFO L168 Benchmark]: CDTParser took 0.25 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 12:26:07,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1722.97 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. [2018-09-18 12:26:07,675 INFO L168 Benchmark]: Boogie Procedure Inliner took 163.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-18 12:26:07,676 INFO L168 Benchmark]: Boogie Preprocessor took 646.38 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 864.0 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. [2018-09-18 12:26:07,677 INFO L168 Benchmark]: RCFGBuilder took 8099.82 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 1.8 GB in the end (delta: 491.2 MB). Peak memory consumption was 491.2 MB. Max. memory is 7.1 GB. [2018-09-18 12:26:07,677 INFO L168 Benchmark]: TraceAbstraction took 213291.46 ms. Allocated memory was 2.4 GB in the beginning and 4.7 GB in the end (delta: 2.3 GB). Free memory was 1.8 GB in the beginning and 3.1 GB in the end (delta: -1.3 GB). Peak memory consumption was 968.1 MB. Max. memory is 7.1 GB. [2018-09-18 12:26:07,684 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 1722.97 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 163.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 646.38 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 864.0 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8099.82 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 1.8 GB in the end (delta: 491.2 MB). Peak memory consumption was 491.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 213291.46 ms. Allocated memory was 2.4 GB in the beginning and 4.7 GB in the end (delta: 2.3 GB). Free memory was 1.8 GB in the beginning and 3.1 GB in the end (delta: -1.3 GB). Peak memory consumption was 968.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 138]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 138). Cancelled while BasicCegarLoop was analyzing trace of length 1230 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 1 quantified variables from 2 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 775 locations, 1 error locations. TIMEOUT Result, 213.2s OverallTime, 11 OverallIterations, 8 TraceHistogramMax, 168.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4018 SDtfs, 68374 SDslu, 4970 SDs, 0 SdLazy, 111204 SolverSat, 20873 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 118.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12564 GetRequests, 12231 SyntacticMatches, 16 SemanticMatches, 317 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12964 ImplicationChecksByTransitivity, 18.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115691occurred in iteration=9, 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: 11.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 8993 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 16.2s InterpolantComputationTime, 10346 NumberOfCodeBlocks, 10346 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 16358 ConstructedInterpolants, 0 QuantifiedInterpolants, 26862528 SizeOfPredicates, 2 NumberOfNonLiveVariables, 8456 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 26 InterpolantComputations, 6 PerfectInterpolantSequences, 17593/19466 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/Problem18_label30_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_12-26-07-703.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem18_label30_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-18_12-26-07-703.csv Completed graceful shutdown