java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label49_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-14 17:35:07,223 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-14 17:35:07,225 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-14 17:35:07,237 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-14 17:35:07,237 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-14 17:35:07,238 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-14 17:35:07,239 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-14 17:35:07,241 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-14 17:35:07,243 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-14 17:35:07,244 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-14 17:35:07,244 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-14 17:35:07,245 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-14 17:35:07,246 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-14 17:35:07,247 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-14 17:35:07,248 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-14 17:35:07,248 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-14 17:35:07,249 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-14 17:35:07,253 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-14 17:35:07,255 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-14 17:35:07,260 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-14 17:35:07,265 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-14 17:35:07,266 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-14 17:35:07,272 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-14 17:35:07,272 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-14 17:35:07,272 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-14 17:35:07,276 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-14 17:35:07,277 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-14 17:35:07,278 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-14 17:35:07,279 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-14 17:35:07,280 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-14 17:35:07,280 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-14 17:35:07,281 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-14 17:35:07,281 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-14 17:35:07,281 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-14 17:35:07,282 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-14 17:35:07,283 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-14 17:35:07,283 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 [2018-09-14 17:35:07,298 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-14 17:35:07,298 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-14 17:35:07,299 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-14 17:35:07,299 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-14 17:35:07,299 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-14 17:35:07,300 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-14 17:35:07,300 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-14 17:35:07,300 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-14 17:35:07,300 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-14 17:35:07,300 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-14 17:35:07,301 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-14 17:35:07,301 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-14 17:35:07,301 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-14 17:35:07,302 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-14 17:35:07,302 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-14 17:35:07,302 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-14 17:35:07,302 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-14 17:35:07,302 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-14 17:35:07,303 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-14 17:35:07,303 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-14 17:35:07,303 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-14 17:35:07,303 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-14 17:35:07,303 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-14 17:35:07,304 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 17:35:07,304 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-14 17:35:07,304 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-14 17:35:07,304 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-14 17:35:07,304 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-14 17:35:07,305 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-14 17:35:07,305 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-14 17:35:07,305 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-14 17:35:07,305 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-14 17:35:07,305 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-14 17:35:07,354 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-14 17:35:07,369 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-14 17:35:07,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-14 17:35:07,377 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-14 17:35:07,378 INFO L276 PluginConnector]: CDTParser initialized [2018-09-14 17:35:07,379 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label49_true-unreach-call.c [2018-09-14 17:35:07,719 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/661263468/17fa1e5b61f6450397a66ced2f56451d/FLAG47e4da52f [2018-09-14 17:35:08,277 INFO L277 CDTParser]: Found 1 translation units. [2018-09-14 17:35:08,278 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label49_true-unreach-call.c [2018-09-14 17:35:08,318 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/661263468/17fa1e5b61f6450397a66ced2f56451d/FLAG47e4da52f [2018-09-14 17:35:08,337 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/661263468/17fa1e5b61f6450397a66ced2f56451d [2018-09-14 17:35:08,349 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-14 17:35:08,352 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-14 17:35:08,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-14 17:35:08,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-14 17:35:08,362 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-14 17:35:08,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 05:35:08" (1/1) ... [2018-09-14 17:35:08,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f5721ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:35:08, skipping insertion in model container [2018-09-14 17:35:08,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 05:35:08" (1/1) ... [2018-09-14 17:35:08,379 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-14 17:35:09,795 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 17:35:09,817 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-14 17:35:10,632 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 17:35:11,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:35:11 WrapperNode [2018-09-14 17:35:11,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-14 17:35:11,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-14 17:35:11,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-14 17:35:11,047 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-14 17:35:11,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:35:11" (1/1) ... [2018-09-14 17:35:11,179 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:35:11" (1/1) ... [2018-09-14 17:35:11,379 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-14 17:35:11,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-14 17:35:11,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-14 17:35:11,380 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-14 17:35:12,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:35:11" (1/1) ... [2018-09-14 17:35:12,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:35:11" (1/1) ... [2018-09-14 17:35:12,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:35:11" (1/1) ... [2018-09-14 17:35:12,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:35:11" (1/1) ... [2018-09-14 17:35:12,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:35:11" (1/1) ... [2018-09-14 17:35:12,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:35:11" (1/1) ... [2018-09-14 17:35:12,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:35:11" (1/1) ... [2018-09-14 17:35:12,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-14 17:35:12,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-14 17:35:12,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-14 17:35:12,626 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-14 17:35:12,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:35:11" (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 [2018-09-14 17:35:12,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-14 17:35:12,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-14 17:35:12,709 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-14 17:35:12,709 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-14 17:35:12,709 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-14 17:35:12,709 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-14 17:35:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-14 17:35:12,710 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-14 17:35:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-14 17:35:12,710 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-14 17:35:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-14 17:35:12,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-14 17:35:12,711 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-14 17:35:12,711 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-14 17:35:23,514 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-14 17:35:23,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 05:35:23 BoogieIcfgContainer [2018-09-14 17:35:23,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-14 17:35:23,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-14 17:35:23,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-14 17:35:23,519 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-14 17:35:23,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 05:35:08" (1/3) ... [2018-09-14 17:35:23,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545f8a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 05:35:23, skipping insertion in model container [2018-09-14 17:35:23,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:35:11" (2/3) ... [2018-09-14 17:35:23,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545f8a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 05:35:23, skipping insertion in model container [2018-09-14 17:35:23,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 05:35:23" (3/3) ... [2018-09-14 17:35:23,523 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label49_true-unreach-call.c [2018-09-14 17:35:23,531 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-14 17:35:23,539 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-14 17:35:23,601 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-14 17:35:23,602 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-14 17:35:23,602 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-14 17:35:23,603 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-14 17:35:23,603 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-14 17:35:23,603 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-14 17:35:23,603 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-14 17:35:23,603 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-14 17:35:23,603 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-14 17:35:23,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-09-14 17:35:23,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-14 17:35:23,661 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:35:23,662 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:35:23,664 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:35:23,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1815238907, now seen corresponding path program 1 times [2018-09-14 17:35:23,672 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:35:23,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:35:23,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:35:23,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:35:23,730 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:35:23,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:35:24,262 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-09-14 17:35:24,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:35:24,304 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:35:24,304 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-14 17:35:24,304 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:35:24,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-14 17:35:24,351 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-14 17:35:24,351 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-14 17:35:24,355 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 4 states. [2018-09-14 17:35:38,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:35:38,027 INFO L93 Difference]: Finished difference Result 4063 states and 7611 transitions. [2018-09-14 17:35:38,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-14 17:35:38,038 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2018-09-14 17:35:38,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:35:38,093 INFO L225 Difference]: With dead ends: 4063 [2018-09-14 17:35:38,093 INFO L226 Difference]: Without dead ends: 2937 [2018-09-14 17:35:38,109 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 [2018-09-14 17:35:38,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2937 states. [2018-09-14 17:35:38,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2937 to 1982. [2018-09-14 17:35:38,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1982 states. [2018-09-14 17:35:38,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1982 states to 1982 states and 3456 transitions. [2018-09-14 17:35:38,318 INFO L78 Accepts]: Start accepts. Automaton has 1982 states and 3456 transitions. Word has length 65 [2018-09-14 17:35:38,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:35:38,319 INFO L480 AbstractCegarLoop]: Abstraction has 1982 states and 3456 transitions. [2018-09-14 17:35:38,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-14 17:35:38,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1982 states and 3456 transitions. [2018-09-14 17:35:38,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-09-14 17:35:38,334 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:35:38,335 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-14 17:35:38,335 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:35:38,335 INFO L82 PathProgramCache]: Analyzing trace with hash -617731529, now seen corresponding path program 1 times [2018-09-14 17:35:38,336 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:35:38,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:35:38,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:35:38,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:35:38,338 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:35:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:35:38,789 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:35:38,789 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:35:38,790 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 17:35:38,790 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:35:38,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 17:35:38,792 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 17:35:38,792 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 17:35:38,793 INFO L87 Difference]: Start difference. First operand 1982 states and 3456 transitions. Second operand 6 states. [2018-09-14 17:35:57,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:35:57,807 INFO L93 Difference]: Finished difference Result 7277 states and 13063 transitions. [2018-09-14 17:35:57,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 17:35:57,819 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-09-14 17:35:57,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:35:57,861 INFO L225 Difference]: With dead ends: 7277 [2018-09-14 17:35:57,862 INFO L226 Difference]: Without dead ends: 5301 [2018-09-14 17:35:57,874 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 17:35:57,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5301 states. [2018-09-14 17:35:58,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5301 to 5252. [2018-09-14 17:35:58,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5252 states. [2018-09-14 17:35:58,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5252 states to 5252 states and 8253 transitions. [2018-09-14 17:35:58,023 INFO L78 Accepts]: Start accepts. Automaton has 5252 states and 8253 transitions. Word has length 136 [2018-09-14 17:35:58,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:35:58,024 INFO L480 AbstractCegarLoop]: Abstraction has 5252 states and 8253 transitions. [2018-09-14 17:35:58,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 17:35:58,024 INFO L276 IsEmpty]: Start isEmpty. Operand 5252 states and 8253 transitions. [2018-09-14 17:35:58,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-09-14 17:35:58,029 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:35:58,030 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:35:58,030 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:35:58,030 INFO L82 PathProgramCache]: Analyzing trace with hash -824137274, now seen corresponding path program 1 times [2018-09-14 17:35:58,030 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:35:58,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:35:58,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:35:58,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:35:58,032 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:35:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:35:58,249 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:35:58,249 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:35:58,249 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 17:35:58,249 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:35:58,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 17:35:58,250 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 17:35:58,250 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 17:35:58,251 INFO L87 Difference]: Start difference. First operand 5252 states and 8253 transitions. Second operand 6 states. [2018-09-14 17:36:13,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:36:13,553 INFO L93 Difference]: Finished difference Result 13917 states and 22504 transitions. [2018-09-14 17:36:13,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 17:36:13,553 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-09-14 17:36:13,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:36:13,597 INFO L225 Difference]: With dead ends: 13917 [2018-09-14 17:36:13,597 INFO L226 Difference]: Without dead ends: 8671 [2018-09-14 17:36:13,617 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 17:36:13,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8671 states. [2018-09-14 17:36:13,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8671 to 8605. [2018-09-14 17:36:13,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8605 states. [2018-09-14 17:36:13,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8605 states to 8605 states and 12805 transitions. [2018-09-14 17:36:13,810 INFO L78 Accepts]: Start accepts. Automaton has 8605 states and 12805 transitions. Word has length 139 [2018-09-14 17:36:13,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:36:13,811 INFO L480 AbstractCegarLoop]: Abstraction has 8605 states and 12805 transitions. [2018-09-14 17:36:13,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 17:36:13,811 INFO L276 IsEmpty]: Start isEmpty. Operand 8605 states and 12805 transitions. [2018-09-14 17:36:13,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-09-14 17:36:13,816 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:36:13,816 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-14 17:36:13,817 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:36:13,817 INFO L82 PathProgramCache]: Analyzing trace with hash 2024947088, now seen corresponding path program 1 times [2018-09-14 17:36:13,817 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:36:13,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:36:13,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:36:13,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:36:13,819 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:36:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:36:14,101 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:36:14,101 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:36:14,101 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 17:36:14,101 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:36:14,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 17:36:14,102 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 17:36:14,102 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 17:36:14,103 INFO L87 Difference]: Start difference. First operand 8605 states and 12805 transitions. Second operand 6 states. [2018-09-14 17:36:26,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:36:26,877 INFO L93 Difference]: Finished difference Result 27252 states and 42311 transitions. [2018-09-14 17:36:26,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 17:36:26,877 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 170 [2018-09-14 17:36:26,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:36:26,958 INFO L225 Difference]: With dead ends: 27252 [2018-09-14 17:36:26,958 INFO L226 Difference]: Without dead ends: 18653 [2018-09-14 17:36:27,000 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 [2018-09-14 17:36:27,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18653 states. [2018-09-14 17:36:27,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18653 to 18564. [2018-09-14 17:36:27,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18564 states. [2018-09-14 17:36:27,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18564 states to 18564 states and 25947 transitions. [2018-09-14 17:36:27,433 INFO L78 Accepts]: Start accepts. Automaton has 18564 states and 25947 transitions. Word has length 170 [2018-09-14 17:36:27,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:36:27,433 INFO L480 AbstractCegarLoop]: Abstraction has 18564 states and 25947 transitions. [2018-09-14 17:36:27,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 17:36:27,434 INFO L276 IsEmpty]: Start isEmpty. Operand 18564 states and 25947 transitions. [2018-09-14 17:36:27,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-09-14 17:36:27,447 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:36:27,448 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-14 17:36:27,448 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:36:27,448 INFO L82 PathProgramCache]: Analyzing trace with hash -658364123, now seen corresponding path program 1 times [2018-09-14 17:36:27,448 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:36:27,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:36:27,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:36:27,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:36:27,450 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:36:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:36:27,788 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 17:36:28,231 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:36:28,232 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:36:28,232 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 17:36:28,232 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:36:28,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 17:36:28,233 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 17:36:28,233 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 17:36:28,233 INFO L87 Difference]: Start difference. First operand 18564 states and 25947 transitions. Second operand 6 states. [2018-09-14 17:36:39,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:36:39,576 INFO L93 Difference]: Finished difference Result 48015 states and 74445 transitions. [2018-09-14 17:36:39,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 17:36:39,577 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 233 [2018-09-14 17:36:39,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:36:39,710 INFO L225 Difference]: With dead ends: 48015 [2018-09-14 17:36:39,711 INFO L226 Difference]: Without dead ends: 29457 [2018-09-14 17:36:39,759 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 17:36:39,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29457 states. [2018-09-14 17:36:40,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29457 to 29303. [2018-09-14 17:36:40,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29303 states. [2018-09-14 17:36:40,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29303 states to 29303 states and 42010 transitions. [2018-09-14 17:36:40,464 INFO L78 Accepts]: Start accepts. Automaton has 29303 states and 42010 transitions. Word has length 233 [2018-09-14 17:36:40,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:36:40,465 INFO L480 AbstractCegarLoop]: Abstraction has 29303 states and 42010 transitions. [2018-09-14 17:36:40,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 17:36:40,465 INFO L276 IsEmpty]: Start isEmpty. Operand 29303 states and 42010 transitions. [2018-09-14 17:36:40,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-09-14 17:36:40,481 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:36:40,482 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-14 17:36:40,482 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:36:40,482 INFO L82 PathProgramCache]: Analyzing trace with hash -16938847, now seen corresponding path program 1 times [2018-09-14 17:36:40,483 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:36:40,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:36:40,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:36:40,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:36:40,484 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:36:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:36:40,828 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 116 proven. 71 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 17:36:40,829 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:36:40,829 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 [2018-09-14 17:36:40,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:36:40,840 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:36:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:36:40,955 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:36:41,160 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-09-14 17:36:41,160 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:36:41,899 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 116 proven. 71 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 17:36:41,937 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-14 17:36:41,937 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 8 [2018-09-14 17:36:41,937 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:36:41,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 17:36:41,939 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 17:36:41,939 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-09-14 17:36:41,939 INFO L87 Difference]: Start difference. First operand 29303 states and 42010 transitions. Second operand 5 states. [2018-09-14 17:36:54,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:36:54,528 INFO L93 Difference]: Finished difference Result 83961 states and 134023 transitions. [2018-09-14 17:36:54,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 17:36:54,532 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 246 [2018-09-14 17:36:54,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:36:54,840 INFO L225 Difference]: With dead ends: 83961 [2018-09-14 17:36:54,840 INFO L226 Difference]: Without dead ends: 54664 [2018-09-14 17:36:54,977 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 500 GetRequests, 490 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-09-14 17:36:55,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54664 states. [2018-09-14 17:36:56,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54664 to 54421. [2018-09-14 17:36:56,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54421 states. [2018-09-14 17:36:56,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54421 states to 54421 states and 79041 transitions. [2018-09-14 17:36:56,684 INFO L78 Accepts]: Start accepts. Automaton has 54421 states and 79041 transitions. Word has length 246 [2018-09-14 17:36:56,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:36:56,684 INFO L480 AbstractCegarLoop]: Abstraction has 54421 states and 79041 transitions. [2018-09-14 17:36:56,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 17:36:56,684 INFO L276 IsEmpty]: Start isEmpty. Operand 54421 states and 79041 transitions. [2018-09-14 17:36:56,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-09-14 17:36:56,715 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:36:56,716 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-14 17:36:56,716 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:36:56,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1816169817, now seen corresponding path program 1 times [2018-09-14 17:36:56,717 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:36:56,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:36:56,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:36:56,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:36:56,723 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:36:56,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:36:57,064 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 17:36:58,022 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:36:58,022 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:36:58,023 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 17:36:58,023 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:36:58,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 17:36:58,024 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 17:36:58,024 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 17:36:58,024 INFO L87 Difference]: Start difference. First operand 54421 states and 79041 transitions. Second operand 6 states. [2018-09-14 17:37:08,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:37:08,548 INFO L93 Difference]: Finished difference Result 114493 states and 170094 transitions. [2018-09-14 17:37:08,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 17:37:08,554 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 301 [2018-09-14 17:37:08,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:37:08,786 INFO L225 Difference]: With dead ends: 114493 [2018-09-14 17:37:08,786 INFO L226 Difference]: Without dead ends: 60078 [2018-09-14 17:37:08,918 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 17:37:08,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60078 states. [2018-09-14 17:37:10,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60078 to 59958. [2018-09-14 17:37:10,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59958 states. [2018-09-14 17:37:10,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59958 states to 59958 states and 81705 transitions. [2018-09-14 17:37:10,485 INFO L78 Accepts]: Start accepts. Automaton has 59958 states and 81705 transitions. Word has length 301 [2018-09-14 17:37:10,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:37:10,486 INFO L480 AbstractCegarLoop]: Abstraction has 59958 states and 81705 transitions. [2018-09-14 17:37:10,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 17:37:10,486 INFO L276 IsEmpty]: Start isEmpty. Operand 59958 states and 81705 transitions. [2018-09-14 17:37:10,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-09-14 17:37:10,522 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:37:10,523 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:37:10,523 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:37:10,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1861789480, now seen corresponding path program 1 times [2018-09-14 17:37:10,523 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:37:10,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:37:10,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:37:10,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:37:10,525 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:37:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:37:10,843 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 6 [2018-09-14 17:37:10,891 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 116 proven. 2 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-09-14 17:37:10,891 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:37:10,892 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 17:37:10,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:37:10,900 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:37:11,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:37:11,016 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:37:11,152 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-09-14 17:37:11,153 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:37:11,235 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 116 proven. 2 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-09-14 17:37:11,257 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-14 17:37:11,257 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 4 [2018-09-14 17:37:11,258 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:37:11,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 17:37:11,258 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 17:37:11,259 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-14 17:37:11,259 INFO L87 Difference]: Start difference. First operand 59958 states and 81705 transitions. Second operand 3 states. [2018-09-14 17:37:22,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:37:22,605 INFO L93 Difference]: Finished difference Result 153668 states and 215943 transitions. [2018-09-14 17:37:22,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 17:37:22,606 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 354 [2018-09-14 17:37:22,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:37:22,907 INFO L225 Difference]: With dead ends: 153668 [2018-09-14 17:37:22,907 INFO L226 Difference]: Without dead ends: 93716 [2018-09-14 17:37:23,072 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 710 GetRequests, 708 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-14 17:37:23,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93716 states. [2018-09-14 17:37:24,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93716 to 93713. [2018-09-14 17:37:24,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93713 states. [2018-09-14 17:37:24,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93713 states to 93713 states and 121818 transitions. [2018-09-14 17:37:24,662 INFO L78 Accepts]: Start accepts. Automaton has 93713 states and 121818 transitions. Word has length 354 [2018-09-14 17:37:24,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:37:24,663 INFO L480 AbstractCegarLoop]: Abstraction has 93713 states and 121818 transitions. [2018-09-14 17:37:24,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 17:37:24,663 INFO L276 IsEmpty]: Start isEmpty. Operand 93713 states and 121818 transitions. [2018-09-14 17:37:24,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2018-09-14 17:37:24,702 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:37:24,702 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-09-14 17:37:24,702 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:37:24,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1161859698, now seen corresponding path program 1 times [2018-09-14 17:37:24,703 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:37:24,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:37:24,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:37:24,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:37:24,704 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:37:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:37:25,129 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 374 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-09-14 17:37:25,130 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:37:25,130 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 [2018-09-14 17:37:25,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:37:25,139 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:37:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:37:25,252 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:37:25,394 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 374 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-09-14 17:37:25,394 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:37:25,813 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 374 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-09-14 17:37:25,833 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:37:25,833 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 [2018-09-14 17:37:26,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:37:26,529 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:37:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:37:26,779 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:37:27,115 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 374 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-09-14 17:37:27,115 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:37:27,264 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-09-14 17:37:27,952 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 374 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-09-14 17:37:27,954 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 17:37:27,954 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 12 [2018-09-14 17:37:27,954 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 17:37:27,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-14 17:37:27,956 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-14 17:37:27,956 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-09-14 17:37:27,957 INFO L87 Difference]: Start difference. First operand 93713 states and 121818 transitions. Second operand 9 states. [2018-09-14 17:37:44,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:37:44,476 INFO L93 Difference]: Finished difference Result 211927 states and 324961 transitions. [2018-09-14 17:37:44,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-14 17:37:44,477 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 372 [2018-09-14 17:37:44,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:37:45,011 INFO L225 Difference]: With dead ends: 211927 [2018-09-14 17:37:45,011 INFO L226 Difference]: Without dead ends: 118220 [2018-09-14 17:37:45,313 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1504 GetRequests, 1483 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2018-09-14 17:37:45,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118220 states. [2018-09-14 17:37:48,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118220 to 117329. [2018-09-14 17:37:48,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117329 states. [2018-09-14 17:37:48,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117329 states to 117329 states and 162575 transitions. [2018-09-14 17:37:48,552 INFO L78 Accepts]: Start accepts. Automaton has 117329 states and 162575 transitions. Word has length 372 [2018-09-14 17:37:48,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:37:48,552 INFO L480 AbstractCegarLoop]: Abstraction has 117329 states and 162575 transitions. [2018-09-14 17:37:48,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-14 17:37:48,553 INFO L276 IsEmpty]: Start isEmpty. Operand 117329 states and 162575 transitions. [2018-09-14 17:37:48,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-09-14 17:37:48,585 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:37:48,585 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:37:48,586 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:37:48,586 INFO L82 PathProgramCache]: Analyzing trace with hash 852809592, now seen corresponding path program 1 times [2018-09-14 17:37:48,586 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:37:48,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:37:48,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:37:48,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:37:48,587 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:37:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:37:48,964 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 172 proven. 206 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-09-14 17:37:48,964 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:37:48,964 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 [2018-09-14 17:37:48,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:37:48,974 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:37:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:37:49,079 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:37:49,377 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 326 proven. 2 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2018-09-14 17:37:49,377 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:37:50,629 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 184 proven. 292 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 17:37:50,651 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:37:50,651 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 [2018-09-14 17:37:50,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:37:50,676 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:37:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:37:50,916 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:37:51,001 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2018-09-14 17:37:51,002 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:37:52,332 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2018-09-14 17:37:52,334 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 3 imperfect interpolant sequences. [2018-09-14 17:37:52,334 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8, 7, 8] total 18 [2018-09-14 17:37:52,334 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:37:52,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 17:37:52,335 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 17:37:52,336 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2018-09-14 17:37:52,336 INFO L87 Difference]: Start difference. First operand 117329 states and 162575 transitions. Second operand 3 states. [2018-09-14 17:38:00,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:38:00,751 INFO L93 Difference]: Finished difference Result 233041 states and 323575 transitions. [2018-09-14 17:38:00,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 17:38:00,751 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 377 [2018-09-14 17:38:00,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:38:01,112 INFO L225 Difference]: With dead ends: 233041 [2018-09-14 17:38:01,112 INFO L226 Difference]: Without dead ends: 115718 [2018-09-14 17:38:02,792 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1518 GetRequests, 1497 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2018-09-14 17:38:02,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115718 states. [2018-09-14 17:38:04,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115718 to 114082. [2018-09-14 17:38:04,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114082 states. [2018-09-14 17:38:04,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114082 states to 114082 states and 147621 transitions. [2018-09-14 17:38:04,432 INFO L78 Accepts]: Start accepts. Automaton has 114082 states and 147621 transitions. Word has length 377 [2018-09-14 17:38:04,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:38:04,433 INFO L480 AbstractCegarLoop]: Abstraction has 114082 states and 147621 transitions. [2018-09-14 17:38:04,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 17:38:04,433 INFO L276 IsEmpty]: Start isEmpty. Operand 114082 states and 147621 transitions. [2018-09-14 17:38:04,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2018-09-14 17:38:04,487 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:38:04,487 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:38:04,488 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:38:04,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1154661840, now seen corresponding path program 1 times [2018-09-14 17:38:04,488 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:38:04,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:38:04,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:38:04,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:38:04,489 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:38:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:38:06,091 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-09-14 17:38:06,091 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:38:06,091 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 17:38:06,092 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:38:06,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 17:38:06,092 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 17:38:06,093 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 17:38:06,093 INFO L87 Difference]: Start difference. First operand 114082 states and 147621 transitions. Second operand 3 states. [2018-09-14 17:38:18,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:38:18,442 INFO L93 Difference]: Finished difference Result 293752 states and 388046 transitions. [2018-09-14 17:38:18,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 17:38:18,443 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 415 [2018-09-14 17:38:18,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:38:19,025 INFO L225 Difference]: With dead ends: 293752 [2018-09-14 17:38:19,026 INFO L226 Difference]: Without dead ends: 179676 [2018-09-14 17:38:19,335 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 17:38:19,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179676 states. [2018-09-14 17:38:28,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179676 to 179583. [2018-09-14 17:38:28,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179583 states. [2018-09-14 17:38:29,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179583 states to 179583 states and 232295 transitions. [2018-09-14 17:38:29,096 INFO L78 Accepts]: Start accepts. Automaton has 179583 states and 232295 transitions. Word has length 415 [2018-09-14 17:38:29,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:38:29,096 INFO L480 AbstractCegarLoop]: Abstraction has 179583 states and 232295 transitions. [2018-09-14 17:38:29,096 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 17:38:29,096 INFO L276 IsEmpty]: Start isEmpty. Operand 179583 states and 232295 transitions. [2018-09-14 17:38:29,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2018-09-14 17:38:29,183 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:38:29,183 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:38:29,183 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:38:29,184 INFO L82 PathProgramCache]: Analyzing trace with hash -308331875, now seen corresponding path program 1 times [2018-09-14 17:38:29,184 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:38:29,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:38:29,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:38:29,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:38:29,185 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:38:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:38:29,543 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-09-14 17:38:29,544 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:38:29,544 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-14 17:38:29,544 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:38:29,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-14 17:38:29,545 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-14 17:38:29,545 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-14 17:38:29,545 INFO L87 Difference]: Start difference. First operand 179583 states and 232295 transitions. Second operand 4 states. [2018-09-14 17:38:38,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:38:38,158 INFO L93 Difference]: Finished difference Result 358258 states and 462014 transitions. [2018-09-14 17:38:38,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 17:38:38,158 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 469 [2018-09-14 17:38:38,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:38:38,784 INFO L225 Difference]: With dead ends: 358258 [2018-09-14 17:38:38,784 INFO L226 Difference]: Without dead ends: 178681 [2018-09-14 17:38:39,118 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-14 17:38:39,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178681 states. [2018-09-14 17:38:42,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178681 to 178675. [2018-09-14 17:38:42,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178675 states. [2018-09-14 17:38:43,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178675 states to 178675 states and 229248 transitions. [2018-09-14 17:38:43,417 INFO L78 Accepts]: Start accepts. Automaton has 178675 states and 229248 transitions. Word has length 469 [2018-09-14 17:38:43,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:38:43,418 INFO L480 AbstractCegarLoop]: Abstraction has 178675 states and 229248 transitions. [2018-09-14 17:38:43,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-14 17:38:43,418 INFO L276 IsEmpty]: Start isEmpty. Operand 178675 states and 229248 transitions. [2018-09-14 17:38:43,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2018-09-14 17:38:43,514 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:38:43,515 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:38:43,515 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:38:43,515 INFO L82 PathProgramCache]: Analyzing trace with hash -512938812, now seen corresponding path program 1 times [2018-09-14 17:38:43,515 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:38:43,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:38:43,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:38:43,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:38:43,517 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:38:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:38:43,926 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-09-14 17:38:43,926 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:38:43,927 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-14 17:38:43,927 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:38:43,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-14 17:38:43,927 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-14 17:38:43,928 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-14 17:38:43,928 INFO L87 Difference]: Start difference. First operand 178675 states and 229248 transitions. Second operand 4 states. Received shutdown request... [2018-09-14 17:38:49,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-14 17:38:49,943 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-14 17:38:49,949 WARN L206 ceAbstractionStarter]: Timeout [2018-09-14 17:38:49,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.09 05:38:49 BoogieIcfgContainer [2018-09-14 17:38:49,949 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-14 17:38:49,950 INFO L168 Benchmark]: Toolchain (without parser) took 221600.30 ms. Allocated memory was 1.5 GB in the beginning and 4.8 GB in the end (delta: 3.3 GB). Free memory was 1.4 GB in the beginning and 2.9 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-09-14 17:38:49,951 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-14 17:38:49,952 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2692.09 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 339.3 MB). Peak memory consumption was 339.3 MB. Max. memory is 7.1 GB. [2018-09-14 17:38:49,953 INFO L168 Benchmark]: Boogie Procedure Inliner took 332.13 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-09-14 17:38:49,953 INFO L168 Benchmark]: Boogie Preprocessor took 1245.80 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 1.0 GB). Free memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. [2018-09-14 17:38:49,955 INFO L168 Benchmark]: RCFGBuilder took 10889.84 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 163.1 MB). Free memory was 2.4 GB in the beginning and 2.4 GB in the end (delta: -5.0 MB). Peak memory consumption was 754.8 MB. Max. memory is 7.1 GB. [2018-09-14 17:38:49,956 INFO L168 Benchmark]: TraceAbstraction took 206433.13 ms. Allocated memory was 2.7 GB in the beginning and 4.8 GB in the end (delta: 2.1 GB). Free memory was 2.4 GB in the beginning and 2.9 GB in the end (delta: -535.3 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-09-14 17:38:49,961 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2692.09 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 339.3 MB). Peak memory consumption was 339.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 332.13 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1245.80 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 1.0 GB). Free memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10889.84 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 163.1 MB). Free memory was 2.4 GB in the beginning and 2.4 GB in the end (delta: -5.0 MB). Peak memory consumption was 754.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 206433.13 ms. Allocated memory was 2.7 GB in the beginning and 4.8 GB in the end (delta: 2.1 GB). Free memory was 2.4 GB in the beginning and 2.9 GB in the end (delta: -535.3 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 186]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 186). Cancelled while BasicCegarLoop was constructing difference of abstraction (178675states) and FLOYD_HOARE automaton (currently 4 states, 4 states before enhancement), while ReachableStatesComputation was computing reachable states (95332 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 206.3s OverallTime, 13 OverallIterations, 4 TraceHistogramMax, 165.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8932 SDtfs, 41411 SDslu, 5376 SDs, 0 SdLazy, 62737 SolverSat, 17245 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 126.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4300 GetRequests, 4199 SyntacticMatches, 16 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=179583occurred in iteration=11, 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: 25.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 4305 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 11.3s InterpolantComputationTime, 5858 NumberOfCodeBlocks, 5858 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 7931 ConstructedInterpolants, 111 QuantifiedInterpolants, 6464973 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3615 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 25 InterpolantComputations, 13 PerfectInterpolantSequences, 6320/6976 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label49_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-14_17-38-49-979.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label49_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-14_17-38-49-979.csv Completed graceful shutdown