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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label43_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 17:03:27,363 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 17:03:27,366 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 17:03:27,383 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 17:03:27,383 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 17:03:27,385 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 17:03:27,389 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 17:03:27,392 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 17:03:27,395 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 17:03:27,396 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 17:03:27,399 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 17:03:27,399 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 17:03:27,401 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 17:03:27,407 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 17:03:27,408 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 17:03:27,412 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 17:03:27,413 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 17:03:27,417 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 17:03:27,421 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 17:03:27,423 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 17:03:27,424 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 17:03:27,425 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 17:03:27,427 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 17:03:27,427 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 17:03:27,427 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 17:03:27,428 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 17:03:27,429 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 17:03:27,430 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 17:03:27,431 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 17:03:27,432 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 17:03:27,432 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 17:03:27,432 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-12 17:03:27,433 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-12 17:03:27,433 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-12 17:03:27,434 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-12 17:03:27,434 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-12 17:03:27,435 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-12 17:03:27,461 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 17:03:27,461 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 17:03:27,462 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 17:03:27,462 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 17:03:27,462 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 17:03:27,462 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 17:03:27,462 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 17:03:27,466 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 17:03:27,466 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 17:03:27,466 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 17:03:27,466 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 17:03:27,466 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 17:03:27,467 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 17:03:27,467 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 17:03:27,468 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 17:03:27,468 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 17:03:27,468 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 17:03:27,468 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 17:03:27,468 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 17:03:27,470 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 17:03:27,470 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 17:03:27,471 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 17:03:27,471 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 17:03:27,471 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 17:03:27,471 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 17:03:27,472 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 17:03:27,472 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 17:03:27,472 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 17:03:27,472 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 17:03:27,472 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 17:03:27,473 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 17:03:27,473 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 17:03:27,473 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 17:03:27,473 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 17:03:27,473 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 17:03:27,539 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 17:03:27,554 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 17:03:27,558 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 17:03:27,560 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 17:03:27,560 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 17:03:27,561 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label43_false-unreach-call.c [2018-11-12 17:03:27,638 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db27f7314/edec3c9046494deeb23ee5a6cdaf86f4/FLAGe823317d0 [2018-11-12 17:03:28,592 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 17:03:28,592 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label43_false-unreach-call.c [2018-11-12 17:03:28,644 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db27f7314/edec3c9046494deeb23ee5a6cdaf86f4/FLAGe823317d0 [2018-11-12 17:03:28,659 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db27f7314/edec3c9046494deeb23ee5a6cdaf86f4 [2018-11-12 17:03:28,670 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 17:03:28,672 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 17:03:28,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 17:03:28,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 17:03:28,678 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 17:03:28,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:03:28" (1/1) ... [2018-11-12 17:03:28,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@425d5bf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:03:28, skipping insertion in model container [2018-11-12 17:03:28,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:03:28" (1/1) ... [2018-11-12 17:03:28,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 17:03:28,949 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 17:03:31,039 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 17:03:31,045 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 17:03:32,237 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 17:03:32,304 INFO L193 MainTranslator]: Completed translation [2018-11-12 17:03:32,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:03:32 WrapperNode [2018-11-12 17:03:32,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 17:03:32,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 17:03:32,306 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 17:03:32,306 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 17:03:32,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:03:32" (1/1) ... [2018-11-12 17:03:32,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:03:32" (1/1) ... [2018-11-12 17:03:32,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 17:03:32,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 17:03:32,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 17:03:32,812 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 17:03:32,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:03:32" (1/1) ... [2018-11-12 17:03:32,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:03:32" (1/1) ... [2018-11-12 17:03:32,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:03:32" (1/1) ... [2018-11-12 17:03:32,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:03:32" (1/1) ... [2018-11-12 17:03:33,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:03:32" (1/1) ... [2018-11-12 17:03:33,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:03:32" (1/1) ... [2018-11-12 17:03:33,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:03:32" (1/1) ... [2018-11-12 17:03:33,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 17:03:33,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 17:03:33,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 17:03:33,190 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 17:03:33,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:03:32" (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 [2018-11-12 17:03:33,263 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-12 17:03:33,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 17:03:33,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 17:03:33,263 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-11-12 17:03:33,264 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-11-12 17:03:33,264 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-11-12 17:03:33,264 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-11-12 17:03:33,264 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-12 17:03:33,264 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-12 17:03:33,265 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-12 17:03:33,265 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-12 17:03:33,265 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-12 17:03:33,265 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-12 17:03:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-12 17:03:33,266 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-12 17:03:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 17:03:33,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 17:03:33,267 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 17:03:33,267 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 17:03:49,135 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 17:03:49,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:03:49 BoogieIcfgContainer [2018-11-12 17:03:49,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 17:03:49,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 17:03:49,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 17:03:49,140 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 17:03:49,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:03:28" (1/3) ... [2018-11-12 17:03:49,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec04a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:03:49, skipping insertion in model container [2018-11-12 17:03:49,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:03:32" (2/3) ... [2018-11-12 17:03:49,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec04a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:03:49, skipping insertion in model container [2018-11-12 17:03:49,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:03:49" (3/3) ... [2018-11-12 17:03:49,144 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label43_false-unreach-call.c [2018-11-12 17:03:49,154 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 17:03:49,165 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 17:03:49,183 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 17:03:49,238 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 17:03:49,239 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 17:03:49,239 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 17:03:49,239 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 17:03:49,239 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 17:03:49,239 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 17:03:49,239 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 17:03:49,240 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 17:03:49,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-11-12 17:03:49,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-12 17:03:49,318 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:03:49,319 INFO L375 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] [2018-11-12 17:03:49,322 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:03:49,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:03:49,329 INFO L82 PathProgramCache]: Analyzing trace with hash 522574706, now seen corresponding path program 1 times [2018-11-12 17:03:49,332 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:03:49,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:03:49,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:03:49,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:03:49,377 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:03:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:03:49,773 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 17:03:49,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:03:49,897 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 17:03:49,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-12 17:03:49,897 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:03:49,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 17:03:49,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 17:03:49,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 17:03:49,929 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-11-12 17:04:02,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:04:02,788 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-11-12 17:04:02,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 17:04:02,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2018-11-12 17:04:02,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:04:02,852 INFO L225 Difference]: With dead ends: 4998 [2018-11-12 17:04:02,852 INFO L226 Difference]: Without dead ends: 3218 [2018-11-12 17:04:02,870 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 17:04:02,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-11-12 17:04:03,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-11-12 17:04:03,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-11-12 17:04:03,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-11-12 17:04:03,089 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 29 [2018-11-12 17:04:03,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:04:03,090 INFO L480 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-11-12 17:04:03,090 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-12 17:04:03,090 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-11-12 17:04:03,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-12 17:04:03,096 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:04:03,096 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:04:03,097 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:04:03,097 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:04:03,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1863173052, now seen corresponding path program 1 times [2018-11-12 17:04:03,098 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:04:03,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:04:03,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:04:03,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:04:03,099 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:04:03,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:04:03,513 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 17:04:03,920 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:04:03,920 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 17:04:03,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 17:04:03,921 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:04:03,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 17:04:03,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 17:04:03,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 17:04:03,924 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-11-12 17:04:25,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:04:25,537 INFO L93 Difference]: Finished difference Result 9340 states and 16946 transitions. [2018-11-12 17:04:25,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 17:04:25,538 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 101 [2018-11-12 17:04:25,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:04:25,570 INFO L225 Difference]: With dead ends: 9340 [2018-11-12 17:04:25,570 INFO L226 Difference]: Without dead ends: 6131 [2018-11-12 17:04:25,582 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-12 17:04:25,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6131 states. [2018-11-12 17:04:25,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6131 to 6091. [2018-11-12 17:04:25,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6091 states. [2018-11-12 17:04:25,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6091 states to 6091 states and 9637 transitions. [2018-11-12 17:04:25,753 INFO L78 Accepts]: Start accepts. Automaton has 6091 states and 9637 transitions. Word has length 101 [2018-11-12 17:04:25,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:04:25,754 INFO L480 AbstractCegarLoop]: Abstraction has 6091 states and 9637 transitions. [2018-11-12 17:04:25,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 17:04:25,754 INFO L276 IsEmpty]: Start isEmpty. Operand 6091 states and 9637 transitions. [2018-11-12 17:04:25,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-12 17:04:25,759 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:04:25,760 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-12 17:04:25,760 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:04:25,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:04:25,761 INFO L82 PathProgramCache]: Analyzing trace with hash -678238073, now seen corresponding path program 1 times [2018-11-12 17:04:25,763 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:04:25,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:04:25,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:04:25,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:04:25,764 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:04:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:04:26,111 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:04:26,112 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 17:04:26,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 17:04:26,112 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:04:26,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 17:04:26,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 17:04:26,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 17:04:26,116 INFO L87 Difference]: Start difference. First operand 6091 states and 9637 transitions. Second operand 6 states. [2018-11-12 17:04:46,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:04:46,376 INFO L93 Difference]: Finished difference Result 21091 states and 34228 transitions. [2018-11-12 17:04:46,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 17:04:46,377 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-11-12 17:04:46,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:04:46,462 INFO L225 Difference]: With dead ends: 21091 [2018-11-12 17:04:46,462 INFO L226 Difference]: Without dead ends: 15006 [2018-11-12 17:04:46,487 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 [2018-11-12 17:04:46,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15006 states. [2018-11-12 17:04:46,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15006 to 14817. [2018-11-12 17:04:46,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14817 states. [2018-11-12 17:04:46,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14817 states to 14817 states and 22424 transitions. [2018-11-12 17:04:46,878 INFO L78 Accepts]: Start accepts. Automaton has 14817 states and 22424 transitions. Word has length 103 [2018-11-12 17:04:46,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:04:46,879 INFO L480 AbstractCegarLoop]: Abstraction has 14817 states and 22424 transitions. [2018-11-12 17:04:46,879 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 17:04:46,879 INFO L276 IsEmpty]: Start isEmpty. Operand 14817 states and 22424 transitions. [2018-11-12 17:04:46,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-12 17:04:46,892 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:04:46,892 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-12 17:04:46,892 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:04:46,893 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:04:46,893 INFO L82 PathProgramCache]: Analyzing trace with hash -89352888, now seen corresponding path program 1 times [2018-11-12 17:04:46,893 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:04:46,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:04:46,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:04:46,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:04:46,894 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:04:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:04:47,454 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:04:47,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 17:04:47,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 17:04:47,455 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:04:47,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 17:04:47,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 17:04:47,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-12 17:04:47,456 INFO L87 Difference]: Start difference. First operand 14817 states and 22424 transitions. Second operand 6 states. [2018-11-12 17:05:14,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:05:14,530 INFO L93 Difference]: Finished difference Result 58666 states and 93382 transitions. [2018-11-12 17:05:14,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 17:05:14,531 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-11-12 17:05:14,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:05:14,723 INFO L225 Difference]: With dead ends: 58666 [2018-11-12 17:05:14,723 INFO L226 Difference]: Without dead ends: 43855 [2018-11-12 17:05:14,788 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-12 17:05:14,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43855 states. [2018-11-12 17:05:15,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43855 to 43759. [2018-11-12 17:05:15,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43759 states. [2018-11-12 17:05:15,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43759 states to 43759 states and 63261 transitions. [2018-11-12 17:05:15,673 INFO L78 Accepts]: Start accepts. Automaton has 43759 states and 63261 transitions. Word has length 125 [2018-11-12 17:05:15,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:05:15,674 INFO L480 AbstractCegarLoop]: Abstraction has 43759 states and 63261 transitions. [2018-11-12 17:05:15,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 17:05:15,675 INFO L276 IsEmpty]: Start isEmpty. Operand 43759 states and 63261 transitions. [2018-11-12 17:05:15,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-12 17:05:15,677 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:05:15,678 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-12 17:05:15,678 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:05:15,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:05:15,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1894066628, now seen corresponding path program 1 times [2018-11-12 17:05:15,679 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:05:15,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:05:15,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:05:15,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:05:15,681 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:05:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:05:16,029 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:05:16,030 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 17:05:16,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-12 17:05:16,030 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:05:16,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-12 17:05:16,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-12 17:05:16,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-12 17:05:16,032 INFO L87 Difference]: Start difference. First operand 43759 states and 63261 transitions. Second operand 5 states. [2018-11-12 17:05:34,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:05:34,886 INFO L93 Difference]: Finished difference Result 132503 states and 204801 transitions. [2018-11-12 17:05:34,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 17:05:34,887 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2018-11-12 17:05:34,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:05:35,242 INFO L225 Difference]: With dead ends: 132503 [2018-11-12 17:05:35,243 INFO L226 Difference]: Without dead ends: 88750 [2018-11-12 17:05:35,344 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-12 17:05:35,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88750 states. [2018-11-12 17:05:36,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88750 to 87971. [2018-11-12 17:05:36,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87971 states. [2018-11-12 17:05:37,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87971 states to 87971 states and 121114 transitions. [2018-11-12 17:05:37,211 INFO L78 Accepts]: Start accepts. Automaton has 87971 states and 121114 transitions. Word has length 134 [2018-11-12 17:05:37,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:05:37,212 INFO L480 AbstractCegarLoop]: Abstraction has 87971 states and 121114 transitions. [2018-11-12 17:05:37,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-12 17:05:37,212 INFO L276 IsEmpty]: Start isEmpty. Operand 87971 states and 121114 transitions. [2018-11-12 17:05:37,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-12 17:05:37,217 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:05:37,220 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-12 17:05:37,221 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:05:37,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:05:37,221 INFO L82 PathProgramCache]: Analyzing trace with hash -711587973, now seen corresponding path program 1 times [2018-11-12 17:05:37,221 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:05:37,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:05:37,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:05:37,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:05:37,223 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:05:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:05:37,506 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 17:05:37,741 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:05:37,742 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 17:05:37,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 17:05:37,742 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:05:37,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 17:05:37,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 17:05:37,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 17:05:37,743 INFO L87 Difference]: Start difference. First operand 87971 states and 121114 transitions. Second operand 6 states. [2018-11-12 17:05:57,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:05:57,217 INFO L93 Difference]: Finished difference Result 207661 states and 304071 transitions. [2018-11-12 17:05:57,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 17:05:57,219 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2018-11-12 17:05:57,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:05:57,563 INFO L225 Difference]: With dead ends: 207661 [2018-11-12 17:05:57,563 INFO L226 Difference]: Without dead ends: 119696 [2018-11-12 17:05:57,767 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-12 17:05:57,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119696 states. [2018-11-12 17:05:59,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119696 to 119292. [2018-11-12 17:05:59,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119292 states. [2018-11-12 17:06:00,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119292 states to 119292 states and 160358 transitions. [2018-11-12 17:06:00,036 INFO L78 Accepts]: Start accepts. Automaton has 119292 states and 160358 transitions. Word has length 162 [2018-11-12 17:06:00,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:06:00,045 INFO L480 AbstractCegarLoop]: Abstraction has 119292 states and 160358 transitions. [2018-11-12 17:06:00,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 17:06:00,045 INFO L276 IsEmpty]: Start isEmpty. Operand 119292 states and 160358 transitions. [2018-11-12 17:06:00,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-12 17:06:00,054 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:06:00,055 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:06:00,055 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:06:00,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:06:00,055 INFO L82 PathProgramCache]: Analyzing trace with hash -1973286022, now seen corresponding path program 1 times [2018-11-12 17:06:00,055 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:06:00,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:06:00,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:06:00,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:06:00,058 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:06:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:06:00,323 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 17:06:00,684 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 44 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-12 17:06:00,685 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:06:00,685 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:06:00,686 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 201 with the following transitions: [2018-11-12 17:06:00,688 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5358], [5360], [5363], [5371], [5379], [5387], [5395], [5403], [5411], [5419], [5427], [5435], [5443], [5451], [5459], [5467], [5475], [5483], [5491], [5499], [5507], [5515], [5523], [5531], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5719], [5722], [5726], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5877], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-11-12 17:06:00,753 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:06:00,754 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:06:01,369 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 17:06:01,373 INFO L272 AbstractInterpreter]: Visited 104 different actions 104 times. Never merged. Never widened. Performed 1014 root evaluator evaluations with a maximum evaluation depth of 4. Performed 1014 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Never found a fixpoint. Largest state had 26 variables. [2018-11-12 17:06:01,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:06:01,426 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 17:06:03,027 INFO L227 lantSequenceWeakener]: Weakened 189 states. On average, predicates are now at 75.15% of their original sizes. [2018-11-12 17:06:03,028 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 17:06:03,395 INFO L415 sIntCurrentIteration]: We unified 199 AI predicates to 199 [2018-11-12 17:06:03,396 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 17:06:03,396 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 17:06:03,397 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-11-12 17:06:03,397 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:06:03,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-12 17:06:03,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-12 17:06:03,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-12 17:06:03,401 INFO L87 Difference]: Start difference. First operand 119292 states and 160358 transitions. Second operand 7 states. [2018-11-12 17:06:12,083 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-11-12 17:06:55,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 17:06:55,899 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-12 17:06:55,906 WARN L205 ceAbstractionStarter]: Timeout [2018-11-12 17:06:55,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 05:06:55 BoogieIcfgContainer [2018-11-12 17:06:55,906 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 17:06:55,907 INFO L168 Benchmark]: Toolchain (without parser) took 207235.78 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -395.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-11-12 17:06:55,908 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-12 17:06:55,909 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3631.96 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 392.7 MB). Peak memory consumption was 392.7 MB. Max. memory is 7.1 GB. [2018-11-12 17:06:55,910 INFO L168 Benchmark]: Boogie Procedure Inliner took 505.73 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 865.1 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 98.8 MB. Max. memory is 7.1 GB. [2018-11-12 17:06:55,911 INFO L168 Benchmark]: Boogie Preprocessor took 377.68 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 7.1 GB. [2018-11-12 17:06:55,912 INFO L168 Benchmark]: RCFGBuilder took 15946.39 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 137.9 MB). Free memory was 2.3 GB in the beginning and 1.7 GB in the end (delta: 543.8 MB). Peak memory consumption was 681.7 MB. Max. memory is 7.1 GB. [2018-11-12 17:06:55,913 INFO L168 Benchmark]: TraceAbstraction took 186769.21 ms. Allocated memory was 2.5 GB in the beginning and 3.5 GB in the end (delta: 904.4 MB). Free memory was 1.7 GB in the beginning and 1.8 GB in the end (delta: -82.4 MB). Peak memory consumption was 822.0 MB. Max. memory is 7.1 GB. [2018-11-12 17:06:55,919 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3631.96 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 392.7 MB). Peak memory consumption was 392.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 505.73 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 865.1 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 98.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 377.68 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 15946.39 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 137.9 MB). Free memory was 2.3 GB in the beginning and 1.7 GB in the end (delta: 543.8 MB). Peak memory consumption was 681.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 186769.21 ms. Allocated memory was 2.5 GB in the beginning and 3.5 GB in the end (delta: 904.4 MB). Free memory was 1.7 GB in the beginning and 1.8 GB in the end (delta: -82.4 MB). Peak memory consumption was 822.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 82). Cancelled while BasicCegarLoop was constructing difference of abstraction (119292states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (77781 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 186.6s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 174.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4398 SDtfs, 39191 SDslu, 4701 SDs, 0 SdLazy, 68725 SolverSat, 14995 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 113.4s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 251 GetRequests, 208 SyntacticMatches, 5 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119292occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.7s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9976231619229218 AbsIntWeakeningRatio, 0.1407035175879397 AbsIntAvgWeakeningVarsNumRemoved, 18.85929648241206 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 5.7s AutomataMinimizationTime, 6 MinimizatonAttempts, 1511 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 854 NumberOfCodeBlocks, 854 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 847 ConstructedInterpolants, 0 QuantifiedInterpolants, 538694 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 159/224 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown