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-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label17_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 07:07:47,597 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 07:07:47,599 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 07:07:47,611 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 07:07:47,612 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 07:07:47,613 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 07:07:47,614 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 07:07:47,616 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 07:07:47,618 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 07:07:47,619 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 07:07:47,620 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 07:07:47,622 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 07:07:47,629 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 07:07:47,630 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 07:07:47,631 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 07:07:47,632 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 07:07:47,633 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 07:07:47,635 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 07:07:47,636 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 07:07:47,638 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 07:07:47,639 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 07:07:47,640 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 07:07:47,642 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 07:07:47,643 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 07:07:47,643 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 07:07:47,644 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 07:07:47,645 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 07:07:47,646 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 07:07:47,646 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 07:07:47,647 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 07:07:47,648 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 07:07:47,648 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 07:07:47,649 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 07:07:47,649 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 07:07:47,650 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 07:07:47,651 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 07:07:47,651 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-11-07 07:07:47,680 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 07:07:47,681 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 07:07:47,681 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 07:07:47,683 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 07:07:47,683 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 07:07:47,683 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 07:07:47,684 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 07:07:47,684 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 07:07:47,684 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 07:07:47,684 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 07:07:47,684 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 07:07:47,684 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 07:07:47,685 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 07:07:47,685 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 07:07:47,686 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 07:07:47,686 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 07:07:47,686 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 07:07:47,686 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 07:07:47,688 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 07:07:47,688 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 07:07:47,689 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 07:07:47,689 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 07:07:47,689 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 07:07:47,689 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 07:07:47,689 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 07:07:47,690 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 07:07:47,690 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 07:07:47,690 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 07:07:47,691 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 07:07:47,691 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 07:07:47,691 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 07:07:47,691 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 07:07:47,691 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 07:07:47,692 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 07:07:47,692 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 07:07:47,692 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 07:07:47,750 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 07:07:47,768 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 07:07:47,772 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 07:07:47,774 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 07:07:47,774 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 07:07:47,775 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label17_true-unreach-call_false-termination.c [2018-11-07 07:07:47,843 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2155d324d/0fc13e11ace44050af244cba8b877435/FLAG6081c8f87 [2018-11-07 07:07:48,462 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 07:07:48,463 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label17_true-unreach-call_false-termination.c [2018-11-07 07:07:48,477 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2155d324d/0fc13e11ace44050af244cba8b877435/FLAG6081c8f87 [2018-11-07 07:07:48,498 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2155d324d/0fc13e11ace44050af244cba8b877435 [2018-11-07 07:07:48,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 07:07:48,511 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 07:07:48,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 07:07:48,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 07:07:48,516 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 07:07:48,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:07:48" (1/1) ... [2018-11-07 07:07:48,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@509b3506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:48, skipping insertion in model container [2018-11-07 07:07:48,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:07:48" (1/1) ... [2018-11-07 07:07:48,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 07:07:48,597 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 07:07:49,062 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:07:49,067 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 07:07:49,197 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:07:49,216 INFO L193 MainTranslator]: Completed translation [2018-11-07 07:07:49,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:49 WrapperNode [2018-11-07 07:07:49,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 07:07:49,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 07:07:49,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 07:07:49,218 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 07:07:49,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:49" (1/1) ... [2018-11-07 07:07:49,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:49" (1/1) ... [2018-11-07 07:07:49,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 07:07:49,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 07:07:49,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 07:07:49,352 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 07:07:49,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:49" (1/1) ... [2018-11-07 07:07:49,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:49" (1/1) ... [2018-11-07 07:07:49,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:49" (1/1) ... [2018-11-07 07:07:49,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:49" (1/1) ... [2018-11-07 07:07:49,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:49" (1/1) ... [2018-11-07 07:07:49,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:49" (1/1) ... [2018-11-07 07:07:49,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:49" (1/1) ... [2018-11-07 07:07:49,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 07:07:49,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 07:07:49,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 07:07:49,474 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 07:07:49,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:49" (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 [2018-11-07 07:07:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 07:07:49,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 07:07:49,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 07:07:49,552 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 07:07:49,553 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 07:07:49,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 07:07:49,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 07:07:49,553 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 07:07:49,554 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 07:07:52,778 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 07:07:52,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:07:52 BoogieIcfgContainer [2018-11-07 07:07:52,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 07:07:52,780 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 07:07:52,780 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 07:07:52,784 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 07:07:52,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:07:48" (1/3) ... [2018-11-07 07:07:52,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@399f151c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:07:52, skipping insertion in model container [2018-11-07 07:07:52,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:49" (2/3) ... [2018-11-07 07:07:52,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@399f151c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:07:52, skipping insertion in model container [2018-11-07 07:07:52,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:07:52" (3/3) ... [2018-11-07 07:07:52,791 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label17_true-unreach-call_false-termination.c [2018-11-07 07:07:52,802 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 07:07:52,812 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 07:07:52,830 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 07:07:52,870 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 07:07:52,870 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 07:07:52,871 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 07:07:52,871 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 07:07:52,871 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 07:07:52,871 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 07:07:52,871 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 07:07:52,872 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 07:07:52,901 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-07 07:07:52,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-07 07:07:52,916 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:52,918 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:07:52,920 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:52,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:52,927 INFO L82 PathProgramCache]: Analyzing trace with hash -346865840, now seen corresponding path program 1 times [2018-11-07 07:07:52,930 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:52,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:52,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:52,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:52,982 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:53,592 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 07:07:53,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:07:53,663 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:07:53,663 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 07:07:53,663 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:07:53,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:07:53,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:07:53,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:07:53,689 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-07 07:07:55,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:55,152 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-11-07 07:07:55,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:07:55,154 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2018-11-07 07:07:55,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:55,174 INFO L225 Difference]: With dead ends: 618 [2018-11-07 07:07:55,174 INFO L226 Difference]: Without dead ends: 379 [2018-11-07 07:07:55,186 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:07:55,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-11-07 07:07:55,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-11-07 07:07:55,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-11-07 07:07:55,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 621 transitions. [2018-11-07 07:07:55,274 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 621 transitions. Word has length 126 [2018-11-07 07:07:55,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:55,276 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 621 transitions. [2018-11-07 07:07:55,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:07:55,276 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 621 transitions. [2018-11-07 07:07:55,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-07 07:07:55,286 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:55,287 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-07 07:07:55,287 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:55,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:55,288 INFO L82 PathProgramCache]: Analyzing trace with hash -837125915, now seen corresponding path program 1 times [2018-11-07 07:07:55,288 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:55,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:55,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:55,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:55,290 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:55,556 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:07:55,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:07:55,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 07:07:55,557 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:07:55,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 07:07:55,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 07:07:55,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 07:07:55,560 INFO L87 Difference]: Start difference. First operand 379 states and 621 transitions. Second operand 6 states. [2018-11-07 07:07:57,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:57,721 INFO L93 Difference]: Finished difference Result 1229 states and 2094 transitions. [2018-11-07 07:07:57,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-07 07:07:57,725 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 142 [2018-11-07 07:07:57,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:57,741 INFO L225 Difference]: With dead ends: 1229 [2018-11-07 07:07:57,741 INFO L226 Difference]: Without dead ends: 856 [2018-11-07 07:07:57,746 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 07:07:57,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2018-11-07 07:07:57,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 823. [2018-11-07 07:07:57,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2018-11-07 07:07:57,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1292 transitions. [2018-11-07 07:07:57,812 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1292 transitions. Word has length 142 [2018-11-07 07:07:57,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:57,812 INFO L480 AbstractCegarLoop]: Abstraction has 823 states and 1292 transitions. [2018-11-07 07:07:57,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 07:07:57,813 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1292 transitions. [2018-11-07 07:07:57,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-07 07:07:57,818 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:57,818 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-07 07:07:57,818 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:57,819 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:57,819 INFO L82 PathProgramCache]: Analyzing trace with hash -517700326, now seen corresponding path program 1 times [2018-11-07 07:07:57,819 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:57,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:57,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:57,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:57,821 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:58,105 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 07:07:58,286 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:07:58,286 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:07:58,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 07:07:58,287 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:07:58,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 07:07:58,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 07:07:58,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 07:07:58,288 INFO L87 Difference]: Start difference. First operand 823 states and 1292 transitions. Second operand 6 states. [2018-11-07 07:08:02,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:08:02,228 INFO L93 Difference]: Finished difference Result 2557 states and 4222 transitions. [2018-11-07 07:08:02,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 07:08:02,231 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-11-07 07:08:02,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:08:02,255 INFO L225 Difference]: With dead ends: 2557 [2018-11-07 07:08:02,255 INFO L226 Difference]: Without dead ends: 1740 [2018-11-07 07:08:02,263 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 07:08:02,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2018-11-07 07:08:02,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1682. [2018-11-07 07:08:02,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2018-11-07 07:08:02,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2540 transitions. [2018-11-07 07:08:02,349 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2540 transitions. Word has length 149 [2018-11-07 07:08:02,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:08:02,350 INFO L480 AbstractCegarLoop]: Abstraction has 1682 states and 2540 transitions. [2018-11-07 07:08:02,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 07:08:02,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2540 transitions. [2018-11-07 07:08:02,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-07 07:08:02,357 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:08:02,357 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:08:02,358 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:08:02,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:02,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1972736718, now seen corresponding path program 1 times [2018-11-07 07:08:02,358 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:08:02,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:02,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:08:02,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:02,360 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:08:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:08:02,603 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-07 07:08:02,603 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:08:02,604 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:08:02,605 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-11-07 07:08:02,607 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [679], [681], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:08:02,651 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:08:02,652 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:08:03,230 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:08:03,232 INFO L272 AbstractInterpreter]: Visited 127 different actions 127 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-11-07 07:08:03,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:03,287 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:08:03,767 INFO L227 lantSequenceWeakener]: Weakened 142 states. On average, predicates are now at 81.13% of their original sizes. [2018-11-07 07:08:03,768 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:08:04,038 INFO L415 sIntCurrentIteration]: We unified 150 AI predicates to 150 [2018-11-07 07:08:04,039 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:08:04,040 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:08:04,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-07 07:08:04,040 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:08:04,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 07:08:04,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 07:08:04,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 07:08:04,042 INFO L87 Difference]: Start difference. First operand 1682 states and 2540 transitions. Second operand 6 states. [2018-11-07 07:08:15,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:08:15,325 INFO L93 Difference]: Finished difference Result 3506 states and 5281 transitions. [2018-11-07 07:08:15,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 07:08:15,325 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 151 [2018-11-07 07:08:15,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:08:15,335 INFO L225 Difference]: With dead ends: 3506 [2018-11-07 07:08:15,336 INFO L226 Difference]: Without dead ends: 1830 [2018-11-07 07:08:15,342 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 151 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-07 07:08:15,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1830 states. [2018-11-07 07:08:15,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1830 to 1827. [2018-11-07 07:08:15,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2018-11-07 07:08:15,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2692 transitions. [2018-11-07 07:08:15,392 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2692 transitions. Word has length 151 [2018-11-07 07:08:15,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:08:15,393 INFO L480 AbstractCegarLoop]: Abstraction has 1827 states and 2692 transitions. [2018-11-07 07:08:15,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 07:08:15,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2692 transitions. [2018-11-07 07:08:15,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-07 07:08:15,400 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:08:15,400 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-11-07 07:08:15,401 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:08:15,401 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:15,401 INFO L82 PathProgramCache]: Analyzing trace with hash -336940495, now seen corresponding path program 1 times [2018-11-07 07:08:15,401 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:08:15,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:15,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:08:15,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:15,403 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:08:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:08:15,751 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 07:08:15,752 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:08:15,752 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:08:15,752 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-11-07 07:08:15,753 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [679], [681], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:08:15,759 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:08:15,759 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:08:16,087 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:08:16,087 INFO L272 AbstractInterpreter]: Visited 131 different actions 392 times. Merged at 7 different actions 21 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-07 07:08:16,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:16,126 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:08:16,323 INFO L227 lantSequenceWeakener]: Weakened 158 states. On average, predicates are now at 84.81% of their original sizes. [2018-11-07 07:08:16,323 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:08:16,520 INFO L415 sIntCurrentIteration]: We unified 160 AI predicates to 160 [2018-11-07 07:08:16,520 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:08:16,521 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:08:16,521 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-07 07:08:16,521 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:08:16,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 07:08:16,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 07:08:16,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-07 07:08:16,522 INFO L87 Difference]: Start difference. First operand 1827 states and 2692 transitions. Second operand 9 states. [2018-11-07 07:08:22,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:08:22,238 INFO L93 Difference]: Finished difference Result 4531 states and 6711 transitions. [2018-11-07 07:08:22,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-07 07:08:22,239 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2018-11-07 07:08:22,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:08:22,255 INFO L225 Difference]: With dead ends: 4531 [2018-11-07 07:08:22,255 INFO L226 Difference]: Without dead ends: 2710 [2018-11-07 07:08:22,262 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 168 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-07 07:08:22,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2710 states. [2018-11-07 07:08:22,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2710 to 2633. [2018-11-07 07:08:22,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2633 states. [2018-11-07 07:08:22,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2633 states and 3700 transitions. [2018-11-07 07:08:22,339 INFO L78 Accepts]: Start accepts. Automaton has 2633 states and 3700 transitions. Word has length 161 [2018-11-07 07:08:22,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:08:22,340 INFO L480 AbstractCegarLoop]: Abstraction has 2633 states and 3700 transitions. [2018-11-07 07:08:22,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 07:08:22,340 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 3700 transitions. [2018-11-07 07:08:22,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-07 07:08:22,349 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:08:22,350 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:08:22,350 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:08:22,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:22,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1986244073, now seen corresponding path program 1 times [2018-11-07 07:08:22,351 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:08:22,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:22,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:08:22,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:22,352 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:08:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:08:22,514 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:08:22,514 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:08:22,514 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:08:22,515 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-11-07 07:08:22,515 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [679], [681], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:08:22,520 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:08:22,520 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:08:22,804 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:08:22,805 INFO L272 AbstractInterpreter]: Visited 130 different actions 386 times. Merged at 7 different actions 18 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 07:08:22,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:22,809 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:08:23,022 INFO L227 lantSequenceWeakener]: Weakened 169 states. On average, predicates are now at 84.68% of their original sizes. [2018-11-07 07:08:23,023 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:08:23,122 INFO L415 sIntCurrentIteration]: We unified 171 AI predicates to 171 [2018-11-07 07:08:23,122 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:08:23,122 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:08:23,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-07 07:08:23,122 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:08:23,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 07:08:23,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 07:08:23,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-07 07:08:23,123 INFO L87 Difference]: Start difference. First operand 2633 states and 3700 transitions. Second operand 9 states. [2018-11-07 07:08:29,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:08:29,104 INFO L93 Difference]: Finished difference Result 6431 states and 9252 transitions. [2018-11-07 07:08:29,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-07 07:08:29,104 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 172 [2018-11-07 07:08:29,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:08:29,126 INFO L225 Difference]: With dead ends: 6431 [2018-11-07 07:08:29,126 INFO L226 Difference]: Without dead ends: 3804 [2018-11-07 07:08:29,135 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 179 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-07 07:08:29,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3804 states. [2018-11-07 07:08:29,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3804 to 3740. [2018-11-07 07:08:29,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3740 states. [2018-11-07 07:08:29,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3740 states to 3740 states and 5064 transitions. [2018-11-07 07:08:29,233 INFO L78 Accepts]: Start accepts. Automaton has 3740 states and 5064 transitions. Word has length 172 [2018-11-07 07:08:29,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:08:29,234 INFO L480 AbstractCegarLoop]: Abstraction has 3740 states and 5064 transitions. [2018-11-07 07:08:29,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 07:08:29,234 INFO L276 IsEmpty]: Start isEmpty. Operand 3740 states and 5064 transitions. [2018-11-07 07:08:29,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-07 07:08:29,247 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:08:29,247 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-07 07:08:29,247 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:08:29,248 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:29,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1746497625, now seen corresponding path program 1 times [2018-11-07 07:08:29,248 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:08:29,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:29,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:08:29,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:29,249 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:08:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:08:29,380 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 07:08:29,380 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:08:29,380 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:08:29,380 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 195 with the following transitions: [2018-11-07 07:08:29,381 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [107], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [679], [681], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:08:29,385 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:08:29,385 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:08:29,619 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:08:29,619 INFO L272 AbstractInterpreter]: Visited 132 different actions 392 times. Merged at 8 different actions 20 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 07:08:29,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:29,627 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:08:29,627 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:08:29,627 INFO L194 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 [2018-11-07 07:08:29,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:08:29,637 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:08:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:08:29,734 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:08:30,215 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 07:08:30,215 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:08:30,484 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-07 07:08:30,816 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 07:08:30,836 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:08:30,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-07 07:08:30,837 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:08:30,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 07:08:30,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 07:08:30,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:08:30,838 INFO L87 Difference]: Start difference. First operand 3740 states and 5064 transitions. Second operand 9 states. [2018-11-07 07:08:35,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:08:35,927 INFO L93 Difference]: Finished difference Result 8655 states and 12005 transitions. [2018-11-07 07:08:35,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-07 07:08:35,927 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 194 [2018-11-07 07:08:35,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:08:35,936 INFO L225 Difference]: With dead ends: 8655 [2018-11-07 07:08:35,936 INFO L226 Difference]: Without dead ends: 2376 [2018-11-07 07:08:35,954 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 396 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2018-11-07 07:08:35,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2376 states. [2018-11-07 07:08:36,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2376 to 2322. [2018-11-07 07:08:36,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2322 states. [2018-11-07 07:08:36,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2322 states to 2322 states and 2751 transitions. [2018-11-07 07:08:36,015 INFO L78 Accepts]: Start accepts. Automaton has 2322 states and 2751 transitions. Word has length 194 [2018-11-07 07:08:36,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:08:36,015 INFO L480 AbstractCegarLoop]: Abstraction has 2322 states and 2751 transitions. [2018-11-07 07:08:36,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 07:08:36,016 INFO L276 IsEmpty]: Start isEmpty. Operand 2322 states and 2751 transitions. [2018-11-07 07:08:36,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-07 07:08:36,022 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:08:36,022 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-07 07:08:36,022 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:08:36,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:36,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1370992587, now seen corresponding path program 1 times [2018-11-07 07:08:36,023 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:08:36,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:36,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:08:36,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:36,024 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:08:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:08:36,555 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 79 proven. 48 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 07:08:36,556 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:08:36,556 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:08:36,556 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 209 with the following transitions: [2018-11-07 07:08:36,556 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [107], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [679], [681], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:08:36,562 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:08:36,562 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:08:37,317 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:08:37,317 INFO L272 AbstractInterpreter]: Visited 132 different actions 518 times. Merged at 8 different actions 26 times. Never widened. Found 6 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-07 07:08:37,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:37,358 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:08:37,358 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:08:37,358 INFO L194 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 [2018-11-07 07:08:37,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:08:37,373 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:08:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:08:37,467 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:08:38,097 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-07 07:08:38,098 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:08:38,905 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 90 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-07 07:08:38,926 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:08:38,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2018-11-07 07:08:38,926 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:08:38,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-07 07:08:38,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-07 07:08:38,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-11-07 07:08:38,928 INFO L87 Difference]: Start difference. First operand 2322 states and 2751 transitions. Second operand 13 states. [2018-11-07 07:08:41,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:08:41,565 INFO L93 Difference]: Finished difference Result 4360 states and 5357 transitions. [2018-11-07 07:08:41,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-07 07:08:41,566 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 208 [2018-11-07 07:08:41,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:08:41,574 INFO L225 Difference]: With dead ends: 4360 [2018-11-07 07:08:41,575 INFO L226 Difference]: Without dead ends: 1901 [2018-11-07 07:08:41,580 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 432 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=409, Invalid=1073, Unknown=0, NotChecked=0, Total=1482 [2018-11-07 07:08:41,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1901 states. [2018-11-07 07:08:41,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1901 to 1822. [2018-11-07 07:08:41,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1822 states. [2018-11-07 07:08:41,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1822 states and 2141 transitions. [2018-11-07 07:08:41,628 INFO L78 Accepts]: Start accepts. Automaton has 1822 states and 2141 transitions. Word has length 208 [2018-11-07 07:08:41,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:08:41,629 INFO L480 AbstractCegarLoop]: Abstraction has 1822 states and 2141 transitions. [2018-11-07 07:08:41,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-07 07:08:41,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2141 transitions. [2018-11-07 07:08:41,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-07 07:08:41,635 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:08:41,635 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:08:41,635 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:08:41,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:41,636 INFO L82 PathProgramCache]: Analyzing trace with hash 248413529, now seen corresponding path program 1 times [2018-11-07 07:08:41,636 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:08:41,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:41,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:08:41,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:41,637 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:08:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:08:41,970 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:08:41,970 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:08:41,970 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:08:41,971 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 210 with the following transitions: [2018-11-07 07:08:41,971 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [324], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [679], [681], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:08:41,974 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:08:41,974 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:08:42,272 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:08:42,272 INFO L272 AbstractInterpreter]: Visited 131 different actions 387 times. Merged at 7 different actions 18 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 07:08:42,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:42,314 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:08:42,314 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:08:42,314 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 07:08:42,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:08:42,331 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:08:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:08:42,412 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:08:42,565 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-07 07:08:42,565 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:08:42,742 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-07 07:08:42,764 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:08:42,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [10] total 12 [2018-11-07 07:08:42,764 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:08:42,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:08:42,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:08:42,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2018-11-07 07:08:42,765 INFO L87 Difference]: Start difference. First operand 1822 states and 2141 transitions. Second operand 3 states. [2018-11-07 07:08:43,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:08:43,296 INFO L93 Difference]: Finished difference Result 3935 states and 4726 transitions. [2018-11-07 07:08:43,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:08:43,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 209 [2018-11-07 07:08:43,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:08:43,299 INFO L225 Difference]: With dead ends: 3935 [2018-11-07 07:08:43,299 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 07:08:43,307 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 418 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2018-11-07 07:08:43,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 07:08:43,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 07:08:43,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 07:08:43,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 07:08:43,308 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 209 [2018-11-07 07:08:43,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:08:43,308 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 07:08:43,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:08:43,308 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 07:08:43,308 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 07:08:43,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 07:08:43,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:43,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:43,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:43,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:43,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:43,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:43,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:43,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:43,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:43,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:43,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:43,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:43,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:43,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:43,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:43,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:43,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:43,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:43,572 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 82 [2018-11-07 07:08:43,694 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 17 [2018-11-07 07:08:44,712 WARN L179 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 69 [2018-11-07 07:08:45,059 WARN L179 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 60 [2018-11-07 07:08:45,372 WARN L179 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 55 [2018-11-07 07:08:45,376 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 07:08:45,376 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= |old(~a25~0)| ~a25~0) (= ~a28~0 |old(~a28~0)|)) [2018-11-07 07:08:45,377 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 07:08:45,377 INFO L425 ceAbstractionStarter]: For program point L564(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,377 INFO L425 ceAbstractionStarter]: For program point L531(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,377 INFO L425 ceAbstractionStarter]: For program point L498(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,377 INFO L425 ceAbstractionStarter]: For program point L465(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,377 INFO L425 ceAbstractionStarter]: For program point L432(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,377 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-07 07:08:45,378 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-07 07:08:45,378 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-07 07:08:45,378 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-07 07:08:45,378 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-07 07:08:45,378 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-07 07:08:45,378 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-07 07:08:45,378 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-07 07:08:45,378 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-07 07:08:45,378 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-07 07:08:45,379 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-07 07:08:45,379 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-07 07:08:45,379 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-07 07:08:45,379 INFO L425 ceAbstractionStarter]: For program point L567(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,379 INFO L425 ceAbstractionStarter]: For program point L534(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,379 INFO L425 ceAbstractionStarter]: For program point L501(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,379 INFO L425 ceAbstractionStarter]: For program point L468(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,379 INFO L425 ceAbstractionStarter]: For program point L435(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,379 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-07 07:08:45,379 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-07 07:08:45,380 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-07 07:08:45,380 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-07 07:08:45,380 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-07 07:08:45,380 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-07 07:08:45,380 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-07 07:08:45,380 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-07 07:08:45,381 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-07 07:08:45,381 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-07 07:08:45,381 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-07 07:08:45,381 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-07 07:08:45,381 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-07 07:08:45,381 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-07 07:08:45,381 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-07 07:08:45,382 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-07 07:08:45,382 INFO L425 ceAbstractionStarter]: For program point L570(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,382 INFO L425 ceAbstractionStarter]: For program point L537(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,382 INFO L425 ceAbstractionStarter]: For program point L504(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,382 INFO L425 ceAbstractionStarter]: For program point L471(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,382 INFO L425 ceAbstractionStarter]: For program point L438(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,382 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-07 07:08:45,382 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-07 07:08:45,382 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-07 07:08:45,383 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-07 07:08:45,383 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-07 07:08:45,383 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-07 07:08:45,383 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-07 07:08:45,383 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-07 07:08:45,383 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-07 07:08:45,383 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-07 07:08:45,384 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-07 07:08:45,384 INFO L425 ceAbstractionStarter]: For program point L573(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,384 INFO L425 ceAbstractionStarter]: For program point L540(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,384 INFO L425 ceAbstractionStarter]: For program point L507(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,384 INFO L425 ceAbstractionStarter]: For program point L474(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,384 INFO L425 ceAbstractionStarter]: For program point L441(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,384 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-07 07:08:45,384 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-07 07:08:45,385 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-07 07:08:45,385 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-07 07:08:45,385 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-07 07:08:45,385 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-07 07:08:45,385 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-07 07:08:45,385 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-07 07:08:45,385 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-07 07:08:45,385 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-07 07:08:45,385 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-07 07:08:45,385 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-07 07:08:45,386 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-07 07:08:45,386 INFO L425 ceAbstractionStarter]: For program point L576(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,386 INFO L425 ceAbstractionStarter]: For program point L543(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,386 INFO L425 ceAbstractionStarter]: For program point L510(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,386 INFO L425 ceAbstractionStarter]: For program point L477(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,386 INFO L425 ceAbstractionStarter]: For program point L444(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,386 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-07 07:08:45,386 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-07 07:08:45,387 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-07 07:08:45,387 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-07 07:08:45,387 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-07 07:08:45,387 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-07 07:08:45,387 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-07 07:08:45,387 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-07 07:08:45,387 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-07 07:08:45,387 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 529) no Hoare annotation was computed. [2018-11-07 07:08:45,387 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-07 07:08:45,387 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-07 07:08:45,388 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-07 07:08:45,388 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-07 07:08:45,388 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-07 07:08:45,388 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-07 07:08:45,388 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-07 07:08:45,388 INFO L425 ceAbstractionStarter]: For program point L579(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,388 INFO L425 ceAbstractionStarter]: For program point L546(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,388 INFO L425 ceAbstractionStarter]: For program point L513(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,388 INFO L425 ceAbstractionStarter]: For program point L480(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,389 INFO L425 ceAbstractionStarter]: For program point L447(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,389 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-07 07:08:45,389 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-07 07:08:45,389 INFO L425 ceAbstractionStarter]: For program point L414-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,389 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-07 07:08:45,389 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-07 07:08:45,389 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-07 07:08:45,389 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,390 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,390 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-07 07:08:45,390 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-07 07:08:45,390 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-07 07:08:45,390 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-07 07:08:45,390 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-07 07:08:45,390 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-07 07:08:45,390 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-07 07:08:45,391 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-07 07:08:45,391 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-07 07:08:45,391 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-07 07:08:45,391 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-07 07:08:45,391 INFO L425 ceAbstractionStarter]: For program point L582(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,391 INFO L425 ceAbstractionStarter]: For program point L549(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,391 INFO L425 ceAbstractionStarter]: For program point L516(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,391 INFO L425 ceAbstractionStarter]: For program point L483(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,391 INFO L425 ceAbstractionStarter]: For program point L450(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,392 INFO L425 ceAbstractionStarter]: For program point L417(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,392 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-07 07:08:45,392 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-07 07:08:45,392 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-07 07:08:45,392 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-07 07:08:45,392 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-07 07:08:45,392 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-07 07:08:45,392 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-07 07:08:45,392 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-07 07:08:45,392 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-07 07:08:45,392 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-07 07:08:45,393 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-07 07:08:45,393 INFO L425 ceAbstractionStarter]: For program point L585(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,393 INFO L425 ceAbstractionStarter]: For program point L552(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,393 INFO L425 ceAbstractionStarter]: For program point L519(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,393 INFO L425 ceAbstractionStarter]: For program point L486(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,393 INFO L425 ceAbstractionStarter]: For program point L453(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,393 INFO L425 ceAbstractionStarter]: For program point L420(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,393 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-07 07:08:45,393 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-07 07:08:45,393 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-07 07:08:45,393 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-07 07:08:45,394 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-07 07:08:45,394 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-07 07:08:45,394 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-07 07:08:45,394 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-07 07:08:45,394 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-07 07:08:45,394 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-07 07:08:45,394 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-07 07:08:45,394 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-07 07:08:45,394 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-07 07:08:45,394 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-07 07:08:45,394 INFO L425 ceAbstractionStarter]: For program point L588(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,395 INFO L425 ceAbstractionStarter]: For program point L555(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,395 INFO L425 ceAbstractionStarter]: For program point L522(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,395 INFO L425 ceAbstractionStarter]: For program point L489(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,395 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse16 (= 1 |old(~a11~0)|)) (.cse17 (= |old(~a19~0)| ~a19~0)) (.cse20 (= 1 ~a11~0)) (.cse18 (= |old(~a17~0)| ~a17~0)) (.cse9 (= |old(~a25~0)| ~a25~0)) (.cse19 (= ~a28~0 |old(~a28~0)|))) (let ((.cse4 (and .cse17 .cse20 .cse18 .cse9 .cse19)) (.cse1 (= 8 |old(~a28~0)|)) (.cse2 (< 8 |old(~a17~0)|)) (.cse8 (not (= ~a28~0 0))) (.cse10 (= ~a19~0 1)) (.cse5 (not (= 1 ~a21~0))) (.cse6 (= 0 |old(~a17~0)|)) (.cse11 (not (= 1 |old(~a19~0)|))) (.cse12 (= 0 |old(~a28~0)|)) (.cse13 (= |calculate_output_#in~input| 0)) (.cse21 (<= ~a17~0 |old(~a17~0)|)) (.cse0 (= 7 |old(~a17~0)|)) (.cse15 (= |old(~a11~0)| |old(~a19~0)|)) (.cse3 (not .cse16)) (.cse14 (< 7 |old(~a17~0)|)) (.cse22 (= 1 |old(~a25~0)|)) (.cse7 (= ~a11~0 |old(~a11~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 (and .cse7 .cse8 .cse9 .cse10 (not (= ~a17~0 0))) .cse11 .cse12 .cse13 .cse14) (or (< 9 |old(~a28~0)|) .cse4 .cse1 .cse15 .cse3 .cse14) (or .cse16 .cse0 (and .cse17 .cse7 .cse18 .cse9 .cse19) .cse2) (or .cse5 .cse11 .cse12 (and .cse8 .cse20 (= ~a17~0 8) .cse9 .cse10) (not (= 8 |old(~a17~0)|)) .cse13 .cse3) (or .cse21 .cse14 .cse22) (or .cse5 .cse21 .cse6 .cse11 .cse12 .cse13 .cse14) (or (and .cse21 .cse17 (not (= ~a17~0 7)) .cse20 .cse9) .cse0 .cse15 .cse3) (or .cse14 .cse22 (and .cse17 .cse7 .cse9))))) [2018-11-07 07:08:45,396 INFO L425 ceAbstractionStarter]: For program point L456(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,396 INFO L425 ceAbstractionStarter]: For program point L423(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,396 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-07 07:08:45,396 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-07 07:08:45,396 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-07 07:08:45,396 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-07 07:08:45,396 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-07 07:08:45,396 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-07 07:08:45,397 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-07 07:08:45,397 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-07 07:08:45,397 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-07 07:08:45,397 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-07 07:08:45,397 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-07 07:08:45,397 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-07 07:08:45,397 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-07 07:08:45,397 INFO L425 ceAbstractionStarter]: For program point L591(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,398 INFO L425 ceAbstractionStarter]: For program point L558(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,398 INFO L425 ceAbstractionStarter]: For program point L525(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,398 INFO L425 ceAbstractionStarter]: For program point L492(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,398 INFO L425 ceAbstractionStarter]: For program point L459(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,398 INFO L425 ceAbstractionStarter]: For program point L426(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,398 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-07 07:08:45,398 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-07 07:08:45,398 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-07 07:08:45,399 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-07 07:08:45,399 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-07 07:08:45,399 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-07 07:08:45,399 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-07 07:08:45,399 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-07 07:08:45,399 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-07 07:08:45,399 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-07 07:08:45,400 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-07 07:08:45,400 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-07 07:08:45,400 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-07 07:08:45,400 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-07 07:08:45,400 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-07 07:08:45,400 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 596) no Hoare annotation was computed. [2018-11-07 07:08:45,400 INFO L425 ceAbstractionStarter]: For program point L561(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,401 INFO L425 ceAbstractionStarter]: For program point L495(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,401 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,401 INFO L425 ceAbstractionStarter]: For program point L462(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,401 INFO L425 ceAbstractionStarter]: For program point L429(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:45,401 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-07 07:08:45,401 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-07 07:08:45,401 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-07 07:08:45,402 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-07 07:08:45,402 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-07 07:08:45,402 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-07 07:08:45,402 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-07 07:08:45,402 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-07 07:08:45,402 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-07 07:08:45,402 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-07 07:08:45,403 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-07 07:08:45,403 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-07 07:08:45,403 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-07 07:08:45,403 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-07 07:08:45,403 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-07 07:08:45,403 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-07 07:08:45,403 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-07 07:08:45,403 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-07 07:08:45,404 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-07 07:08:45,404 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 07:08:45,404 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-07 07:08:45,404 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 07:08:45,404 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 07:08:45,404 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-07 07:08:45,405 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-07 07:08:45,405 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse2 (= |old(~a17~0)| ~a17~0)) (.cse1 (= 1 ~a11~0)) (.cse3 (not (= ~a19~0 ~a11~0))) (.cse0 (<= ~a17~0 7))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse0 (not (= ~a28~0 0)) (= ~a19~0 1) (not (= ~a17~0 0))) (and .cse1 .cse2) (and (<= ~a17~0 |old(~a17~0)|) (not (= ~a17~0 7)) .cse1 .cse3) (and (= ~a11~0 |old(~a11~0)|) .cse2) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse1 (not (= ~a28~0 8)) .cse3 (<= ~a17~0 8) (<= ~a28~0 9)) (not (= 0 |old(~a25~0)|)) (and .cse0 (not (= ~a25~0 1))))) [2018-11-07 07:08:45,405 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-07 07:08:45,405 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-07 07:08:45,406 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (= main_~input~0 0))) (.cse3 (= |old(~a17~0)| ~a17~0)) (.cse1 (= 1 ~a11~0)) (.cse4 (not (= ~a28~0 8))) (.cse5 (not (= ~a19~0 ~a11~0))) (.cse2 (<= ~a17~0 7))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1 (= ~a17~0 8)) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse2 (not (= ~a28~0 0)) (= ~a19~0 1) (not (= ~a17~0 0))) (and .cse1 .cse3 .cse4) (and (<= ~a17~0 |old(~a17~0)|) (not (= ~a17~0 7)) .cse1 .cse5) (and (= ~a11~0 |old(~a11~0)|) .cse3) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse1 .cse4 .cse5 (<= ~a17~0 8) (<= ~a28~0 9)) (not (= 0 |old(~a25~0)|)) (and .cse2 (not (= ~a25~0 1))))) [2018-11-07 07:08:45,406 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-07 07:08:45,406 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-07 07:08:45,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:08:45 BoogieIcfgContainer [2018-11-07 07:08:45,420 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 07:08:45,420 INFO L168 Benchmark]: Toolchain (without parser) took 56910.67 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.6 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -144.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-11-07 07:08:45,422 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-11-07 07:08:45,422 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-07 07:08:45,423 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.04 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -832.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. [2018-11-07 07:08:45,424 INFO L168 Benchmark]: Boogie Preprocessor took 122.50 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2018-11-07 07:08:45,425 INFO L168 Benchmark]: RCFGBuilder took 3304.98 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 118.6 MB). Peak memory consumption was 118.6 MB. Max. memory is 7.1 GB. [2018-11-07 07:08:45,426 INFO L168 Benchmark]: TraceAbstraction took 52639.51 ms. Allocated memory was 2.3 GB in the beginning and 3.1 GB in the end (delta: 846.2 MB). Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 521.0 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-11-07 07:08:45,431 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 705.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 133.04 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -832.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.50 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3304.98 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 118.6 MB). Peak memory consumption was 118.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 52639.51 ms. Allocated memory was 2.3 GB in the beginning and 3.1 GB in the end (delta: 846.2 MB). Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 521.0 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 529]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || (((a17 <= 7 && !(a28 == 0)) && a19 == 1) && !(a17 == 0))) || (1 == a11 && \old(a17) == a17)) || (((a17 <= \old(a17) && !(a17 == 7)) && 1 == a11) && !(a19 == a11))) || (a11 == \old(a11) && \old(a17) == a17)) || !(1 == \old(a19))) || !(8 == \old(a17))) || ((((1 == a11 && !(a28 == 8)) && !(a19 == a11)) && a17 <= 8) && a28 <= 9)) || !(0 == \old(a25))) || (a17 <= 7 && !(a25 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 52.5s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 39.0s AutomataDifference, 0.0s DeadEndRemovalTime, 2.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1259 SDtfs, 7367 SDslu, 1943 SDs, 0 SdLazy, 10705 SolverSat, 2430 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.8s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1842 GetRequests, 1715 SyntacticMatches, 7 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 525 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3740occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.7s AbstIntTime, 6 AbstIntIterations, 3 AbstIntStrong, 0.9969394634207579 AbsIntWeakeningRatio, 0.2182952182952183 AbsIntAvgWeakeningVarsNumRemoved, 25.866943866943867 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 368 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 111 PreInvPairs, 163 NumberOfFragments, 542 HoareAnnotationTreeSize, 111 FomulaSimplifications, 7583 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2439 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 2123 NumberOfCodeBlocks, 2123 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2719 ConstructedInterpolants, 0 QuantifiedInterpolants, 1213543 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1468 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 15 InterpolantComputations, 5 PerfectInterpolantSequences, 1036/1152 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...