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/Problem17_label56_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 12:18:07,221 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 12:18:07,223 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 12:18:07,239 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 12:18:07,240 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 12:18:07,241 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 12:18:07,245 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 12:18:07,248 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 12:18:07,250 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 12:18:07,252 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 12:18:07,253 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 12:18:07,254 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 12:18:07,256 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 12:18:07,259 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 12:18:07,260 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 12:18:07,261 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 12:18:07,261 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 12:18:07,263 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 12:18:07,265 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 12:18:07,267 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 12:18:07,268 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 12:18:07,269 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 12:18:07,271 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-18 12:18:07,271 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-18 12:18:07,272 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-18 12:18:07,273 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-18 12:18:07,274 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-18 12:18:07,275 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-18 12:18:07,276 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-18 12:18:07,277 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-18 12:18:07,277 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-18 12:18:07,278 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-18 12:18:07,278 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 12:18:07,278 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 12:18:07,281 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 12:18:07,283 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 12:18:07,283 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 [2018-09-18 12:18:07,311 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 12:18:07,313 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 12:18:07,314 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 12:18:07,314 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 12:18:07,314 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 12:18:07,314 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 12:18:07,314 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 12:18:07,315 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 12:18:07,315 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 12:18:07,315 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 12:18:07,315 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 12:18:07,315 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 12:18:07,316 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 12:18:07,316 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 12:18:07,317 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 12:18:07,317 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 12:18:07,317 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 12:18:07,317 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 12:18:07,317 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 12:18:07,317 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 12:18:07,318 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 12:18:07,318 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 12:18:07,318 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 12:18:07,318 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 12:18:07,318 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 12:18:07,319 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 12:18:07,319 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 12:18:07,319 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 12:18:07,319 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 12:18:07,319 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 12:18:07,320 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 12:18:07,320 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 12:18:07,320 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 12:18:07,320 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 12:18:07,364 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 12:18:07,377 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 12:18:07,381 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 12:18:07,383 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 12:18:07,383 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 12:18:07,384 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label56_true-unreach-call.c [2018-09-18 12:18:07,737 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c61565e8c/00f3794816ef4d619ee0ca80824cda04/FLAG8711c745c [2018-09-18 12:18:08,184 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 12:18:08,185 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label56_true-unreach-call.c [2018-09-18 12:18:08,213 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c61565e8c/00f3794816ef4d619ee0ca80824cda04/FLAG8711c745c [2018-09-18 12:18:08,230 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c61565e8c/00f3794816ef4d619ee0ca80824cda04 [2018-09-18 12:18:08,242 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 12:18:08,246 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 12:18:08,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 12:18:08,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 12:18:08,255 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 12:18:08,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:18:08" (1/1) ... [2018-09-18 12:18:08,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201dfe03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:18:08, skipping insertion in model container [2018-09-18 12:18:08,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:18:08" (1/1) ... [2018-09-18 12:18:08,276 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 12:18:09,515 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 12:18:09,538 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 12:18:09,868 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 12:18:10,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:18:10 WrapperNode [2018-09-18 12:18:10,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 12:18:10,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 12:18:10,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 12:18:10,103 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 12:18:10,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:18:10" (1/1) ... [2018-09-18 12:18:10,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:18:10" (1/1) ... [2018-09-18 12:18:10,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 12:18:10,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 12:18:10,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 12:18:10,408 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 12:18:11,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:18:10" (1/1) ... [2018-09-18 12:18:11,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:18:10" (1/1) ... [2018-09-18 12:18:11,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:18:10" (1/1) ... [2018-09-18 12:18:11,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:18:10" (1/1) ... [2018-09-18 12:18:11,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:18:10" (1/1) ... [2018-09-18 12:18:11,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:18:10" (1/1) ... [2018-09-18 12:18:11,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:18:10" (1/1) ... [2018-09-18 12:18:11,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 12:18:11,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 12:18:11,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 12:18:11,288 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 12:18:11,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:18:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 12:18:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 12:18:11,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 12:18:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-18 12:18:11,366 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-18 12:18:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-18 12:18:11,367 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-18 12:18:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 12:18:11,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 12:18:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 12:18:11,367 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 12:18:23,127 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 12:18:23,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:18:23 BoogieIcfgContainer [2018-09-18 12:18:23,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 12:18:23,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 12:18:23,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 12:18:23,132 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 12:18:23,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 12:18:08" (1/3) ... [2018-09-18 12:18:23,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b62873c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 12:18:23, skipping insertion in model container [2018-09-18 12:18:23,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:18:10" (2/3) ... [2018-09-18 12:18:23,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b62873c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 12:18:23, skipping insertion in model container [2018-09-18 12:18:23,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:18:23" (3/3) ... [2018-09-18 12:18:23,136 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label56_true-unreach-call.c [2018-09-18 12:18:23,147 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 12:18:23,156 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 12:18:23,219 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 12:18:23,220 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 12:18:23,220 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 12:18:23,220 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 12:18:23,221 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 12:18:23,221 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 12:18:23,221 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 12:18:23,221 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 12:18:23,221 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 12:18:23,257 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-09-18 12:18:23,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-18 12:18:23,269 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:18:23,270 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:18:23,272 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:18:23,277 INFO L82 PathProgramCache]: Analyzing trace with hash -813169730, now seen corresponding path program 1 times [2018-09-18 12:18:23,279 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:18:23,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:18:23,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:18:23,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:18:23,333 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:18:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:18:23,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:18:23,891 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:18:23,891 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-18 12:18:23,891 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:18:23,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-18 12:18:23,915 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-18 12:18:23,916 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-18 12:18:23,919 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-09-18 12:18:35,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:18:35,108 INFO L93 Difference]: Finished difference Result 2125 states and 3954 transitions. [2018-09-18 12:18:35,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-18 12:18:35,111 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 73 [2018-09-18 12:18:35,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:18:35,140 INFO L225 Difference]: With dead ends: 2125 [2018-09-18 12:18:35,140 INFO L226 Difference]: Without dead ends: 1515 [2018-09-18 12:18:35,152 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-18 12:18:35,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2018-09-18 12:18:35,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1043. [2018-09-18 12:18:35,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1043 states. [2018-09-18 12:18:35,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1647 transitions. [2018-09-18 12:18:35,301 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1647 transitions. Word has length 73 [2018-09-18 12:18:35,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:18:35,302 INFO L480 AbstractCegarLoop]: Abstraction has 1043 states and 1647 transitions. [2018-09-18 12:18:35,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-18 12:18:35,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1647 transitions. [2018-09-18 12:18:35,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-09-18 12:18:35,311 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:18:35,311 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:18:35,312 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:18:35,312 INFO L82 PathProgramCache]: Analyzing trace with hash -840736881, now seen corresponding path program 1 times [2018-09-18 12:18:35,312 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:18:35,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:18:35,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:18:35,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:18:35,314 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:18:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:18:35,574 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:18:35,575 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:18:35,575 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 12:18:35,575 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:18:35,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 12:18:35,577 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 12:18:35,577 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 12:18:35,578 INFO L87 Difference]: Start difference. First operand 1043 states and 1647 transitions. Second operand 5 states. [2018-09-18 12:18:47,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:18:47,371 INFO L93 Difference]: Finished difference Result 3017 states and 4847 transitions. [2018-09-18 12:18:47,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 12:18:47,372 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2018-09-18 12:18:47,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:18:47,387 INFO L225 Difference]: With dead ends: 3017 [2018-09-18 12:18:47,388 INFO L226 Difference]: Without dead ends: 1980 [2018-09-18 12:18:47,392 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-18 12:18:47,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2018-09-18 12:18:47,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1954. [2018-09-18 12:18:47,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1954 states. [2018-09-18 12:18:47,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 2892 transitions. [2018-09-18 12:18:47,488 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 2892 transitions. Word has length 145 [2018-09-18 12:18:47,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:18:47,489 INFO L480 AbstractCegarLoop]: Abstraction has 1954 states and 2892 transitions. [2018-09-18 12:18:47,489 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 12:18:47,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2892 transitions. [2018-09-18 12:18:47,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-09-18 12:18:47,503 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:18:47,503 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:18:47,503 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:18:47,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1157485801, now seen corresponding path program 1 times [2018-09-18 12:18:47,504 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:18:47,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:18:47,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:18:47,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:18:47,505 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:18:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:18:47,910 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:18:47,911 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:18:47,911 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 12:18:47,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:18:47,928 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:18:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:18:48,015 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:19:13,782 WARN L178 SmtUtils]: Spent 24.20 s on a formula simplification. DAG size of input: 135 DAG size of output: 98 [2018-09-18 12:19:34,176 WARN L178 SmtUtils]: Spent 16.16 s on a formula simplification. DAG size of input: 98 DAG size of output: 73 [2018-09-18 12:19:34,846 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 4 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:19:34,847 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:19:39,211 WARN L178 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 133 DAG size of output: 16 [2018-09-18 12:19:39,363 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 28 [2018-09-18 12:19:41,833 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 26 [2018-09-18 12:19:42,086 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:19:42,119 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-18 12:19:42,119 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 15 [2018-09-18 12:19:42,120 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:19:42,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 12:19:42,125 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 12:19:42,125 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=162, Unknown=3, NotChecked=0, Total=210 [2018-09-18 12:19:42,125 INFO L87 Difference]: Start difference. First operand 1954 states and 2892 transitions. Second operand 6 states. [2018-09-18 12:20:49,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:20:49,187 INFO L93 Difference]: Finished difference Result 7546 states and 11552 transitions. [2018-09-18 12:20:49,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 12:20:49,189 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 148 [2018-09-18 12:20:49,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:20:49,224 INFO L225 Difference]: With dead ends: 7546 [2018-09-18 12:20:49,224 INFO L226 Difference]: Without dead ends: 5598 [2018-09-18 12:20:49,240 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 290 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 53.1s TimeCoverageRelationStatistics Valid=52, Invalid=185, Unknown=3, NotChecked=0, Total=240 [2018-09-18 12:20:49,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5598 states. [2018-09-18 12:20:49,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5598 to 5556. [2018-09-18 12:20:49,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5556 states. [2018-09-18 12:20:49,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5556 states to 5556 states and 8049 transitions. [2018-09-18 12:20:49,395 INFO L78 Accepts]: Start accepts. Automaton has 5556 states and 8049 transitions. Word has length 148 [2018-09-18 12:20:49,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:20:49,395 INFO L480 AbstractCegarLoop]: Abstraction has 5556 states and 8049 transitions. [2018-09-18 12:20:49,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 12:20:49,396 INFO L276 IsEmpty]: Start isEmpty. Operand 5556 states and 8049 transitions. [2018-09-18 12:20:49,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-09-18 12:20:49,400 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:20:49,400 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, 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] [2018-09-18 12:20:49,400 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:20:49,401 INFO L82 PathProgramCache]: Analyzing trace with hash -792846689, now seen corresponding path program 1 times [2018-09-18 12:20:49,401 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:20:49,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:20:49,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:20:49,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:20:49,402 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:20:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:20:49,657 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 12:20:50,032 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:20:50,033 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:20:50,033 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 12:20:50,033 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:20:50,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 12:20:50,034 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 12:20:50,034 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 12:20:50,034 INFO L87 Difference]: Start difference. First operand 5556 states and 8049 transitions. Second operand 6 states. [2018-09-18 12:20:55,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:20:55,207 INFO L93 Difference]: Finished difference Result 13867 states and 20452 transitions. [2018-09-18 12:20:55,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 12:20:55,209 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2018-09-18 12:20:55,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:20:55,257 INFO L225 Difference]: With dead ends: 13867 [2018-09-18 12:20:55,257 INFO L226 Difference]: Without dead ends: 8317 [2018-09-18 12:20:55,288 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 12:20:55,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8317 states. [2018-09-18 12:20:55,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8317 to 8251. [2018-09-18 12:20:55,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8251 states. [2018-09-18 12:20:55,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8251 states to 8251 states and 10597 transitions. [2018-09-18 12:20:55,509 INFO L78 Accepts]: Start accepts. Automaton has 8251 states and 10597 transitions. Word has length 153 [2018-09-18 12:20:55,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:20:55,510 INFO L480 AbstractCegarLoop]: Abstraction has 8251 states and 10597 transitions. [2018-09-18 12:20:55,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 12:20:55,510 INFO L276 IsEmpty]: Start isEmpty. Operand 8251 states and 10597 transitions. [2018-09-18 12:20:55,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-09-18 12:20:55,517 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:20:55,517 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:20:55,517 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:20:55,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1851802376, now seen corresponding path program 1 times [2018-09-18 12:20:55,518 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:20:55,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:20:55,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:20:55,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:20:55,519 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:20:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:20:55,822 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 137 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-09-18 12:20:55,823 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:20:55,823 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 12:20:55,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:20:55,831 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:20:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:20:55,917 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:20:56,122 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 137 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-09-18 12:20:56,122 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:20:56,841 WARN L178 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 15 [2018-09-18 12:20:57,302 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 137 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:20:57,324 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:20:57,324 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 12:20:57,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:20:57,342 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:20:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:20:57,525 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:20:57,654 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 137 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-09-18 12:20:57,655 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:20:58,526 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 137 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:20:58,530 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 12:20:58,531 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8, 7, 8] total 16 [2018-09-18 12:20:58,531 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 12:20:58,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-18 12:20:58,532 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-18 12:20:58,533 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2018-09-18 12:20:58,533 INFO L87 Difference]: Start difference. First operand 8251 states and 10597 transitions. Second operand 10 states. [2018-09-18 12:21:35,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:21:35,248 INFO L93 Difference]: Finished difference Result 36424 states and 50854 transitions. [2018-09-18 12:21:35,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-18 12:21:35,249 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 237 [2018-09-18 12:21:35,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:21:35,427 INFO L225 Difference]: With dead ends: 36424 [2018-09-18 12:21:35,427 INFO L226 Difference]: Without dead ends: 28179 [2018-09-18 12:21:35,541 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 962 GetRequests, 936 SyntacticMatches, 5 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=150, Invalid=356, Unknown=0, NotChecked=0, Total=506 [2018-09-18 12:21:35,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28179 states. [2018-09-18 12:21:36,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28179 to 27984. [2018-09-18 12:21:36,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27984 states. [2018-09-18 12:21:36,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27984 states to 27984 states and 35687 transitions. [2018-09-18 12:21:36,499 INFO L78 Accepts]: Start accepts. Automaton has 27984 states and 35687 transitions. Word has length 237 [2018-09-18 12:21:36,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:21:36,500 INFO L480 AbstractCegarLoop]: Abstraction has 27984 states and 35687 transitions. [2018-09-18 12:21:36,500 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-18 12:21:36,500 INFO L276 IsEmpty]: Start isEmpty. Operand 27984 states and 35687 transitions. [2018-09-18 12:21:36,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-09-18 12:21:36,515 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:21:36,515 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, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-18 12:21:36,516 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:21:36,516 INFO L82 PathProgramCache]: Analyzing trace with hash -831861875, now seen corresponding path program 1 times [2018-09-18 12:21:36,516 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:21:36,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:21:36,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:21:36,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:21:36,518 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:21:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:21:36,868 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 12:21:37,240 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 127 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:21:37,241 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:21:37,241 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 12:21:37,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:21:37,250 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:21:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:21:37,341 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:21:37,398 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-09-18 12:21:37,398 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:21:37,531 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-09-18 12:21:37,552 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-18 12:21:37,553 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-09-18 12:21:37,553 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:21:37,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 12:21:37,554 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 12:21:37,554 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-09-18 12:21:37,554 INFO L87 Difference]: Start difference. First operand 27984 states and 35687 transitions. Second operand 3 states. [2018-09-18 12:21:43,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:21:43,749 INFO L93 Difference]: Finished difference Result 55962 states and 71544 transitions. [2018-09-18 12:21:43,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 12:21:43,750 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 258 [2018-09-18 12:21:43,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:21:43,848 INFO L225 Difference]: With dead ends: 55962 [2018-09-18 12:21:43,848 INFO L226 Difference]: Without dead ends: 27984 [2018-09-18 12:21:43,993 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 527 GetRequests, 516 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-09-18 12:21:44,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27984 states. [2018-09-18 12:21:44,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27984 to 26675. [2018-09-18 12:21:44,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26675 states. [2018-09-18 12:21:44,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26675 states to 26675 states and 32719 transitions. [2018-09-18 12:21:44,574 INFO L78 Accepts]: Start accepts. Automaton has 26675 states and 32719 transitions. Word has length 258 [2018-09-18 12:21:44,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:21:44,575 INFO L480 AbstractCegarLoop]: Abstraction has 26675 states and 32719 transitions. [2018-09-18 12:21:44,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 12:21:44,575 INFO L276 IsEmpty]: Start isEmpty. Operand 26675 states and 32719 transitions. [2018-09-18 12:21:44,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-09-18 12:21:44,590 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:21:44,591 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, 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] [2018-09-18 12:21:44,591 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:21:44,591 INFO L82 PathProgramCache]: Analyzing trace with hash 2023532329, now seen corresponding path program 1 times [2018-09-18 12:21:44,591 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:21:44,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:21:44,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:21:44,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:21:44,592 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:21:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:21:45,509 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:21:45,510 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:21:45,510 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 12:21:45,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:21:45,526 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:21:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:21:45,614 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:21:46,048 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 [2018-09-18 12:21:46,219 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:21:46,219 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:21:46,512 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2018-09-18 12:21:47,425 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:21:47,445 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-18 12:21:47,446 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [7] total 12 [2018-09-18 12:21:47,446 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:21:47,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 12:21:47,447 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 12:21:47,447 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2018-09-18 12:21:47,447 INFO L87 Difference]: Start difference. First operand 26675 states and 32719 transitions. Second operand 5 states. [2018-09-18 12:21:59,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:21:59,584 INFO L93 Difference]: Finished difference Result 63485 states and 77662 transitions. [2018-09-18 12:21:59,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 12:21:59,584 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 299 [2018-09-18 12:21:59,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:21:59,682 INFO L225 Difference]: With dead ends: 63485 [2018-09-18 12:21:59,682 INFO L226 Difference]: Without dead ends: 34684 [2018-09-18 12:21:59,737 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 595 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2018-09-18 12:21:59,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34684 states. [2018-09-18 12:22:00,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34684 to 32945. [2018-09-18 12:22:00,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32945 states. [2018-09-18 12:22:00,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32945 states to 32945 states and 40083 transitions. [2018-09-18 12:22:00,346 INFO L78 Accepts]: Start accepts. Automaton has 32945 states and 40083 transitions. Word has length 299 [2018-09-18 12:22:00,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:22:00,347 INFO L480 AbstractCegarLoop]: Abstraction has 32945 states and 40083 transitions. [2018-09-18 12:22:00,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 12:22:00,347 INFO L276 IsEmpty]: Start isEmpty. Operand 32945 states and 40083 transitions. [2018-09-18 12:22:00,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-09-18 12:22:00,365 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:22:00,366 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, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-18 12:22:00,366 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:22:00,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1663266714, now seen corresponding path program 1 times [2018-09-18 12:22:00,366 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:22:00,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:22:00,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:22:00,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:22:00,368 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:22:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:22:01,065 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-09-18 12:22:01,065 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:22:01,065 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 12:22:01,065 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:22:01,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 12:22:01,066 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 12:22:01,066 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 12:22:01,067 INFO L87 Difference]: Start difference. First operand 32945 states and 40083 transitions. Second operand 3 states. [2018-09-18 12:22:07,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:22:07,480 INFO L93 Difference]: Finished difference Result 80304 states and 101035 transitions. [2018-09-18 12:22:07,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 12:22:07,481 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 334 [2018-09-18 12:22:07,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:22:07,624 INFO L225 Difference]: With dead ends: 80304 [2018-09-18 12:22:07,625 INFO L226 Difference]: Without dead ends: 47361 [2018-09-18 12:22:07,736 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 12:22:07,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47361 states. [2018-09-18 12:22:08,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47361 to 46618. [2018-09-18 12:22:08,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46618 states. [2018-09-18 12:22:08,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46618 states to 46618 states and 56912 transitions. [2018-09-18 12:22:08,579 INFO L78 Accepts]: Start accepts. Automaton has 46618 states and 56912 transitions. Word has length 334 [2018-09-18 12:22:08,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:22:08,580 INFO L480 AbstractCegarLoop]: Abstraction has 46618 states and 56912 transitions. [2018-09-18 12:22:08,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 12:22:08,580 INFO L276 IsEmpty]: Start isEmpty. Operand 46618 states and 56912 transitions. [2018-09-18 12:22:08,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-09-18 12:22:08,599 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:22:08,599 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, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:22:08,600 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:22:08,600 INFO L82 PathProgramCache]: Analyzing trace with hash -2093350243, now seen corresponding path program 1 times [2018-09-18 12:22:08,600 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:22:08,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:22:08,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:22:08,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:22:08,601 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:22:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:22:09,137 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2018-09-18 12:22:09,137 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:22:09,137 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 12:22:09,138 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:22:09,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 12:22:09,138 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 12:22:09,138 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 12:22:09,139 INFO L87 Difference]: Start difference. First operand 46618 states and 56912 transitions. Second operand 3 states. [2018-09-18 12:22:14,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:22:14,472 INFO L93 Difference]: Finished difference Result 96478 states and 118557 transitions. [2018-09-18 12:22:14,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 12:22:14,472 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 347 [2018-09-18 12:22:14,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:22:14,622 INFO L225 Difference]: With dead ends: 96478 [2018-09-18 12:22:14,622 INFO L226 Difference]: Without dead ends: 50300 [2018-09-18 12:22:14,736 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 12:22:14,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50300 states. [2018-09-18 12:22:15,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50300 to 47344. [2018-09-18 12:22:15,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47344 states. [2018-09-18 12:22:15,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47344 states to 47344 states and 56227 transitions. [2018-09-18 12:22:15,480 INFO L78 Accepts]: Start accepts. Automaton has 47344 states and 56227 transitions. Word has length 347 [2018-09-18 12:22:15,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:22:15,480 INFO L480 AbstractCegarLoop]: Abstraction has 47344 states and 56227 transitions. [2018-09-18 12:22:15,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 12:22:15,480 INFO L276 IsEmpty]: Start isEmpty. Operand 47344 states and 56227 transitions. [2018-09-18 12:22:15,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2018-09-18 12:22:15,510 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:22:15,510 INFO L376 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:22:15,510 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:22:15,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1380073982, now seen corresponding path program 1 times [2018-09-18 12:22:15,511 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:22:15,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:22:15,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:22:15,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:22:15,512 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:22:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:22:15,920 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 503 proven. 2 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2018-09-18 12:22:15,920 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:22:15,921 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 12:22:15,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:22:15,933 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:22:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:22:16,081 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:22:16,763 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 503 proven. 2 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2018-09-18 12:22:16,764 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:22:17,040 WARN L178 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 25 Received shutdown request... [2018-09-18 12:22:17,143 WARN L186 SmtUtils]: Removed 5 from assertion stack [2018-09-18 12:22:17,143 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-09-18 12:22:17,344 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 12:22:17,344 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-18 12:22:17,350 WARN L206 ceAbstractionStarter]: Timeout [2018-09-18 12:22:17,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 12:22:17 BoogieIcfgContainer [2018-09-18 12:22:17,350 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 12:22:17,351 INFO L168 Benchmark]: Toolchain (without parser) took 249108.22 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 553.4 MB. Max. memory is 7.1 GB. [2018-09-18 12:22:17,352 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 12:22:17,353 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1854.22 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. [2018-09-18 12:22:17,354 INFO L168 Benchmark]: Boogie Procedure Inliner took 305.23 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-09-18 12:22:17,354 INFO L168 Benchmark]: Boogie Preprocessor took 878.93 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 904.9 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 123.5 MB. Max. memory is 7.1 GB. [2018-09-18 12:22:17,355 INFO L168 Benchmark]: RCFGBuilder took 11840.75 ms. Allocated memory is still 2.5 GB. Free memory was 2.3 GB in the beginning and 1.9 GB in the end (delta: 460.7 MB). Peak memory consumption was 460.7 MB. Max. memory is 7.1 GB. [2018-09-18 12:22:17,356 INFO L168 Benchmark]: TraceAbstraction took 234221.73 ms. Allocated memory was 2.5 GB in the beginning and 3.3 GB in the end (delta: 846.2 MB). Free memory was 1.9 GB in the beginning and 2.6 GB in the end (delta: -751.3 MB). Peak memory consumption was 94.9 MB. Max. memory is 7.1 GB. [2018-09-18 12:22:17,365 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 1854.22 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 305.23 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 878.93 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 904.9 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 123.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11840.75 ms. Allocated memory is still 2.5 GB. Free memory was 2.3 GB in the beginning and 1.9 GB in the end (delta: 460.7 MB). Peak memory consumption was 460.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 234221.73 ms. Allocated memory was 2.5 GB in the beginning and 3.3 GB in the end (delta: 846.2 MB). Free memory was 1.9 GB in the beginning and 2.6 GB in the end (delta: -751.3 MB). Peak memory consumption was 94.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 206]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 206). Cancelled while BasicCegarLoop was analyzing trace of length 489 with TraceHistMax 5, while TraceCheckSpWp was constructing backward predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 25. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 234.1s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 163.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3808 SDtfs, 14536 SDslu, 2366 SDs, 0 SdLazy, 28389 SolverSat, 7550 SolverUnsat, 28 SolverUnknown, 0 SolverNotchecked, 149.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2438 GetRequests, 2352 SyntacticMatches, 14 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 57.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47344occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 4.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 7548 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 62.3s InterpolantComputationTime, 3173 NumberOfCodeBlocks, 3173 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 4333 ConstructedInterpolants, 333 QuantifiedInterpolants, 7809846 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2057 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 19 InterpolantComputations, 10 PerfectInterpolantSequences, 2628/3050 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/Problem17_label56_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_12-22-17-388.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem17_label56_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-18_12-22-17-388.csv Completed graceful shutdown