java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 12:54:09,588 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 12:54:09,590 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 12:54:09,607 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 12:54:09,607 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 12:54:09,608 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 12:54:09,609 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 12:54:09,612 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 12:54:09,615 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 12:54:09,617 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 12:54:09,619 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 12:54:09,619 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 12:54:09,621 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 12:54:09,621 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 12:54:09,622 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 12:54:09,631 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 12:54:09,632 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 12:54:09,634 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 12:54:09,640 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 12:54:09,643 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 12:54:09,645 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 12:54:09,646 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 12:54:09,648 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 12:54:09,648 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 12:54:09,648 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 12:54:09,652 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 12:54:09,653 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 12:54:09,653 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 12:54:09,655 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 12:54:09,656 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 12:54:09,656 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 12:54:09,659 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 12:54:09,659 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 12:54:09,659 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 12:54:09,661 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 12:54:09,662 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 12:54:09,662 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf [2018-11-07 12:54:09,693 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 12:54:09,693 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 12:54:09,694 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 12:54:09,694 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 12:54:09,694 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 12:54:09,695 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 12:54:09,696 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 12:54:09,696 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 12:54:09,696 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 12:54:09,696 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 12:54:09,696 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 12:54:09,697 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 12:54:09,697 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 12:54:09,698 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 12:54:09,698 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 12:54:09,698 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 12:54:09,699 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 12:54:09,699 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 12:54:09,699 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 12:54:09,699 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 12:54:09,699 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 12:54:09,700 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 12:54:09,700 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 12:54:09,700 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 12:54:09,700 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 12:54:09,700 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 12:54:09,700 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 12:54:09,702 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 12:54:09,702 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 12:54:09,702 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 12:54:09,702 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 12:54:09,703 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 12:54:09,703 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 12:54:09,703 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 12:54:09,757 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 12:54:09,770 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 12:54:09,774 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 12:54:09,775 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 12:54:09,776 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 12:54:09,777 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c [2018-11-07 12:54:09,844 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3071556da/16cfc34ed1ed4ea8a163b55d7710014e/FLAG238409369 [2018-11-07 12:54:10,416 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 12:54:10,417 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c [2018-11-07 12:54:10,433 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3071556da/16cfc34ed1ed4ea8a163b55d7710014e/FLAG238409369 [2018-11-07 12:54:10,452 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3071556da/16cfc34ed1ed4ea8a163b55d7710014e [2018-11-07 12:54:10,462 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 12:54:10,464 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 12:54:10,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 12:54:10,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 12:54:10,468 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 12:54:10,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:54:10" (1/1) ... [2018-11-07 12:54:10,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e234f50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:10, skipping insertion in model container [2018-11-07 12:54:10,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:54:10" (1/1) ... [2018-11-07 12:54:10,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 12:54:10,558 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 12:54:11,058 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 12:54:11,064 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 12:54:11,193 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 12:54:11,212 INFO L193 MainTranslator]: Completed translation [2018-11-07 12:54:11,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:11 WrapperNode [2018-11-07 12:54:11,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 12:54:11,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 12:54:11,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 12:54:11,214 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 12:54:11,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:11" (1/1) ... [2018-11-07 12:54:11,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:11" (1/1) ... [2018-11-07 12:54:11,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 12:54:11,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 12:54:11,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 12:54:11,345 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 12:54:11,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:11" (1/1) ... [2018-11-07 12:54:11,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:11" (1/1) ... [2018-11-07 12:54:11,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:11" (1/1) ... [2018-11-07 12:54:11,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:11" (1/1) ... [2018-11-07 12:54:11,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:11" (1/1) ... [2018-11-07 12:54:11,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:11" (1/1) ... [2018-11-07 12:54:11,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:11" (1/1) ... [2018-11-07 12:54:11,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 12:54:11,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 12:54:11,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 12:54:11,450 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 12:54:11,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 12:54:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 12:54:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 12:54:11,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 12:54:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 12:54:11,529 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 12:54:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 12:54:11,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 12:54:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 12:54:11,530 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 12:54:14,755 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 12:54:14,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:54:14 BoogieIcfgContainer [2018-11-07 12:54:14,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 12:54:14,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 12:54:14,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 12:54:14,762 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 12:54:14,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:54:10" (1/3) ... [2018-11-07 12:54:14,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79dc435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:54:14, skipping insertion in model container [2018-11-07 12:54:14,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:11" (2/3) ... [2018-11-07 12:54:14,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79dc435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:54:14, skipping insertion in model container [2018-11-07 12:54:14,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:54:14" (3/3) ... [2018-11-07 12:54:14,767 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label25_true-unreach-call_false-termination.c [2018-11-07 12:54:14,775 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 12:54:14,783 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 12:54:14,797 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 12:54:14,836 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 12:54:14,837 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 12:54:14,837 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 12:54:14,837 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 12:54:14,837 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 12:54:14,838 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 12:54:14,838 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 12:54:14,838 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 12:54:14,867 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-07 12:54:14,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-07 12:54:14,884 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:54:14,885 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:54:14,889 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:54:14,894 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:54:14,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1914702647, now seen corresponding path program 1 times [2018-11-07 12:54:14,897 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:54:14,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:14,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:54:14,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:14,948 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:54:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:54:15,580 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 12:54:15,750 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 12:54:15,753 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 12:54:15,753 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 12:54:15,754 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:54:15,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 12:54:15,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 12:54:15,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 12:54:15,784 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-07 12:54:17,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:54:17,141 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-11-07 12:54:17,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 12:54:17,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2018-11-07 12:54:17,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:54:17,163 INFO L225 Difference]: With dead ends: 618 [2018-11-07 12:54:17,163 INFO L226 Difference]: Without dead ends: 379 [2018-11-07 12:54:17,170 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 12:54:17,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-11-07 12:54:17,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-11-07 12:54:17,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-11-07 12:54:17,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 621 transitions. [2018-11-07 12:54:17,256 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 621 transitions. Word has length 141 [2018-11-07 12:54:17,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:54:17,257 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 621 transitions. [2018-11-07 12:54:17,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 12:54:17,258 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 621 transitions. [2018-11-07 12:54:17,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-07 12:54:17,266 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:54:17,267 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:54:17,267 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:54:17,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:54:17,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1933191934, now seen corresponding path program 1 times [2018-11-07 12:54:17,268 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:54:17,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:17,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:54:17,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:17,270 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:54:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:54:17,474 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 12:54:17,474 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 12:54:17,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 12:54:17,474 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:54:17,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 12:54:17,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 12:54:17,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 12:54:17,478 INFO L87 Difference]: Start difference. First operand 379 states and 621 transitions. Second operand 6 states. [2018-11-07 12:54:19,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:54:19,753 INFO L93 Difference]: Finished difference Result 1229 states and 2094 transitions. [2018-11-07 12:54:19,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-07 12:54:19,760 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2018-11-07 12:54:19,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:54:19,777 INFO L225 Difference]: With dead ends: 1229 [2018-11-07 12:54:19,777 INFO L226 Difference]: Without dead ends: 856 [2018-11-07 12:54:19,786 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 12:54:19,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2018-11-07 12:54:19,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 823. [2018-11-07 12:54:19,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2018-11-07 12:54:19,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1292 transitions. [2018-11-07 12:54:19,851 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1292 transitions. Word has length 157 [2018-11-07 12:54:19,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:54:19,851 INFO L480 AbstractCegarLoop]: Abstraction has 823 states and 1292 transitions. [2018-11-07 12:54:19,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 12:54:19,851 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1292 transitions. [2018-11-07 12:54:19,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-07 12:54:19,857 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:54:19,858 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:54:19,858 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:54:19,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:54:19,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1310013485, now seen corresponding path program 1 times [2018-11-07 12:54:19,859 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:54:19,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:19,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:54:19,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:19,861 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:54:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:54:20,165 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 12:54:20,254 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 12:54:20,254 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 12:54:20,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 12:54:20,255 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:54:20,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 12:54:20,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 12:54:20,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 12:54:20,257 INFO L87 Difference]: Start difference. First operand 823 states and 1292 transitions. Second operand 6 states. [2018-11-07 12:54:25,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:54:25,776 INFO L93 Difference]: Finished difference Result 2557 states and 4222 transitions. [2018-11-07 12:54:25,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 12:54:25,779 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-11-07 12:54:25,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:54:25,801 INFO L225 Difference]: With dead ends: 2557 [2018-11-07 12:54:25,801 INFO L226 Difference]: Without dead ends: 1740 [2018-11-07 12:54:25,809 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 12:54:25,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2018-11-07 12:54:25,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1682. [2018-11-07 12:54:25,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2018-11-07 12:54:25,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2540 transitions. [2018-11-07 12:54:25,883 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2540 transitions. Word has length 164 [2018-11-07 12:54:25,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:54:25,883 INFO L480 AbstractCegarLoop]: Abstraction has 1682 states and 2540 transitions. [2018-11-07 12:54:25,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 12:54:25,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2540 transitions. [2018-11-07 12:54:25,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-07 12:54:25,893 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:54:25,893 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:54:25,893 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:54:25,894 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:54:25,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1460724459, now seen corresponding path program 1 times [2018-11-07 12:54:25,894 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:54:25,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:25,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:54:25,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:25,896 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:54:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:54:26,059 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 12:54:26,060 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:54:26,060 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:54:26,061 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 167 with the following transitions: [2018-11-07 12:54:26,063 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], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 12:54:26,137 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:54:26,138 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:54:26,969 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 12:54:26,971 INFO L272 AbstractInterpreter]: Visited 142 different actions 142 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-11-07 12:54:27,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:54:27,014 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 12:54:27,693 INFO L227 lantSequenceWeakener]: Weakened 144 states. On average, predicates are now at 81.59% of their original sizes. [2018-11-07 12:54:27,693 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 12:54:29,120 INFO L415 sIntCurrentIteration]: We unified 165 AI predicates to 165 [2018-11-07 12:54:29,121 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 12:54:29,121 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 12:54:29,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [6] total 18 [2018-11-07 12:54:29,122 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:54:29,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-07 12:54:29,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-07 12:54:29,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-11-07 12:54:29,123 INFO L87 Difference]: Start difference. First operand 1682 states and 2540 transitions. Second operand 14 states. [2018-11-07 12:54:44,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:54:44,619 INFO L93 Difference]: Finished difference Result 3656 states and 5500 transitions. [2018-11-07 12:54:44,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-07 12:54:44,619 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 166 [2018-11-07 12:54:44,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:54:44,631 INFO L225 Difference]: With dead ends: 3656 [2018-11-07 12:54:44,631 INFO L226 Difference]: Without dead ends: 1980 [2018-11-07 12:54:44,637 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 178 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=193, Invalid=509, Unknown=0, NotChecked=0, Total=702 [2018-11-07 12:54:44,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2018-11-07 12:54:44,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1827. [2018-11-07 12:54:44,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2018-11-07 12:54:44,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2692 transitions. [2018-11-07 12:54:44,690 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2692 transitions. Word has length 166 [2018-11-07 12:54:44,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:54:44,691 INFO L480 AbstractCegarLoop]: Abstraction has 1827 states and 2692 transitions. [2018-11-07 12:54:44,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-07 12:54:44,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2692 transitions. [2018-11-07 12:54:44,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-07 12:54:44,699 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:54:44,699 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:54:44,700 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:54:44,700 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:54:44,700 INFO L82 PathProgramCache]: Analyzing trace with hash -2035656138, now seen corresponding path program 1 times [2018-11-07 12:54:44,700 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:54:44,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:44,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:54:44,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:44,702 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:54:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:54:44,958 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 12:54:44,959 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:54:44,959 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:54:44,959 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 177 with the following transitions: [2018-11-07 12:54:44,960 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], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 12:54:44,967 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:54:44,967 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:54:45,697 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 12:54:45,698 INFO L272 AbstractInterpreter]: Visited 146 different actions 437 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 12:54:45,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:54:45,712 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 12:54:46,029 INFO L227 lantSequenceWeakener]: Weakened 173 states. On average, predicates are now at 81.28% of their original sizes. [2018-11-07 12:54:46,029 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 12:54:46,315 INFO L415 sIntCurrentIteration]: We unified 175 AI predicates to 175 [2018-11-07 12:54:46,315 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 12:54:46,316 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 12:54:46,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2018-11-07 12:54:46,316 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:54:46,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 12:54:46,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 12:54:46,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-07 12:54:46,317 INFO L87 Difference]: Start difference. First operand 1827 states and 2692 transitions. Second operand 10 states. [2018-11-07 12:54:54,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:54:54,210 INFO L93 Difference]: Finished difference Result 4463 states and 6600 transitions. [2018-11-07 12:54:54,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 12:54:54,210 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2018-11-07 12:54:54,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:54:54,224 INFO L225 Difference]: With dead ends: 4463 [2018-11-07 12:54:54,225 INFO L226 Difference]: Without dead ends: 2642 [2018-11-07 12:54:54,232 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 184 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2018-11-07 12:54:54,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2642 states. [2018-11-07 12:54:54,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2642 to 2556. [2018-11-07 12:54:54,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2556 states. [2018-11-07 12:54:54,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 2556 states and 3571 transitions. [2018-11-07 12:54:54,304 INFO L78 Accepts]: Start accepts. Automaton has 2556 states and 3571 transitions. Word has length 176 [2018-11-07 12:54:54,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:54:54,304 INFO L480 AbstractCegarLoop]: Abstraction has 2556 states and 3571 transitions. [2018-11-07 12:54:54,304 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 12:54:54,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 3571 transitions. [2018-11-07 12:54:54,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-07 12:54:54,315 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:54:54,315 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:54:54,315 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:54:54,315 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:54:54,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1144609038, now seen corresponding path program 1 times [2018-11-07 12:54:54,316 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:54:54,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:54,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:54:54,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:54,317 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:54:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:54:54,461 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:54:54,461 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:54:54,461 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:54:54,462 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 183 with the following transitions: [2018-11-07 12:54:54,462 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], [91], [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], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 12:54:54,468 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:54:54,468 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:54:55,241 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 12:54:55,242 INFO L272 AbstractInterpreter]: Visited 145 different actions 286 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-07 12:54:55,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:54:55,281 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 12:54:55,719 INFO L227 lantSequenceWeakener]: Weakened 93 states. On average, predicates are now at 81.71% of their original sizes. [2018-11-07 12:54:55,719 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 12:54:56,195 INFO L415 sIntCurrentIteration]: We unified 181 AI predicates to 181 [2018-11-07 12:54:56,196 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 12:54:56,196 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 12:54:56,196 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [6] total 22 [2018-11-07 12:54:56,196 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:54:56,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-07 12:54:56,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-07 12:54:56,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2018-11-07 12:54:56,197 INFO L87 Difference]: Start difference. First operand 2556 states and 3571 transitions. Second operand 18 states. [2018-11-07 12:55:15,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:55:15,731 INFO L93 Difference]: Finished difference Result 5863 states and 8199 transitions. [2018-11-07 12:55:15,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-07 12:55:15,731 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 182 [2018-11-07 12:55:15,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:55:15,747 INFO L225 Difference]: With dead ends: 5863 [2018-11-07 12:55:15,748 INFO L226 Difference]: Without dead ends: 3313 [2018-11-07 12:55:15,756 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 196 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=192, Invalid=864, Unknown=0, NotChecked=0, Total=1056 [2018-11-07 12:55:15,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3313 states. [2018-11-07 12:55:15,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3313 to 3301. [2018-11-07 12:55:15,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3301 states. [2018-11-07 12:55:15,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3301 states to 3301 states and 4468 transitions. [2018-11-07 12:55:15,837 INFO L78 Accepts]: Start accepts. Automaton has 3301 states and 4468 transitions. Word has length 182 [2018-11-07 12:55:15,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:55:15,837 INFO L480 AbstractCegarLoop]: Abstraction has 3301 states and 4468 transitions. [2018-11-07 12:55:15,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-07 12:55:15,837 INFO L276 IsEmpty]: Start isEmpty. Operand 3301 states and 4468 transitions. [2018-11-07 12:55:15,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-07 12:55:15,850 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:55:15,851 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:55:15,851 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:55:15,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:55:15,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1154918822, now seen corresponding path program 1 times [2018-11-07 12:55:15,852 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:55:15,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:55:15,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:55:15,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:55:15,853 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:55:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:55:16,069 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 59 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-07 12:55:16,070 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:55:16,070 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:55:16,070 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 202 with the following transitions: [2018-11-07 12:55:16,070 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [91], [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], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 12:55:16,074 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:55:16,075 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:55:17,298 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 12:55:17,298 INFO L272 AbstractInterpreter]: Visited 147 different actions 589 times. Merged at 8 different actions 34 times. Never widened. Found 8 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 12:55:17,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:55:17,304 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 12:55:17,584 INFO L227 lantSequenceWeakener]: Weakened 198 states. On average, predicates are now at 81.24% of their original sizes. [2018-11-07 12:55:17,584 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 12:55:17,940 INFO L415 sIntCurrentIteration]: We unified 200 AI predicates to 200 [2018-11-07 12:55:17,940 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 12:55:17,940 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 12:55:17,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2018-11-07 12:55:17,941 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:55:17,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 12:55:17,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 12:55:17,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-07 12:55:17,942 INFO L87 Difference]: Start difference. First operand 3301 states and 4468 transitions. Second operand 10 states. [2018-11-07 12:55:23,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:55:23,783 INFO L93 Difference]: Finished difference Result 7443 states and 10184 transitions. [2018-11-07 12:55:23,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 12:55:23,783 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 201 [2018-11-07 12:55:23,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:55:23,801 INFO L225 Difference]: With dead ends: 7443 [2018-11-07 12:55:23,801 INFO L226 Difference]: Without dead ends: 4148 [2018-11-07 12:55:23,810 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 209 GetRequests, 138 SyntacticMatches, 54 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2018-11-07 12:55:23,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4148 states. [2018-11-07 12:55:23,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4148 to 4067. [2018-11-07 12:55:23,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4067 states. [2018-11-07 12:55:23,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4067 states to 4067 states and 5417 transitions. [2018-11-07 12:55:23,916 INFO L78 Accepts]: Start accepts. Automaton has 4067 states and 5417 transitions. Word has length 201 [2018-11-07 12:55:23,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:55:23,916 INFO L480 AbstractCegarLoop]: Abstraction has 4067 states and 5417 transitions. [2018-11-07 12:55:23,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 12:55:23,917 INFO L276 IsEmpty]: Start isEmpty. Operand 4067 states and 5417 transitions. [2018-11-07 12:55:23,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-07 12:55:23,930 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:55:23,930 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:55:23,930 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:55:23,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:55:23,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1587966231, now seen corresponding path program 1 times [2018-11-07 12:55:23,931 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:55:23,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:55:23,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:55:23,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:55:23,932 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:55:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:55:24,280 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 64 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-07 12:55:24,281 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:55:24,282 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:55:24,282 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 202 with the following transitions: [2018-11-07 12:55:24,282 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [25], [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], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 12:55:24,285 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:55:24,285 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:55:25,193 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 12:55:25,193 INFO L272 AbstractInterpreter]: Visited 147 different actions 732 times. Merged at 8 different actions 44 times. Widened at 1 different actions 1 times. Found 9 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 12:55:25,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:55:25,204 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 12:55:25,204 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:55:25,204 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 12:55:25,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:55:25,215 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 12:55:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:55:25,323 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 12:55:25,480 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 49 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-07 12:55:25,480 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 12:55:26,564 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 64 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-07 12:55:26,586 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 12:55:26,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-07 12:55:26,586 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 12:55:26,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 12:55:26,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 12:55:26,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-11-07 12:55:26,588 INFO L87 Difference]: Start difference. First operand 4067 states and 5417 transitions. Second operand 9 states. [2018-11-07 12:55:32,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:55:32,522 INFO L93 Difference]: Finished difference Result 12035 states and 17048 transitions. [2018-11-07 12:55:32,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-07 12:55:32,523 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 201 [2018-11-07 12:55:32,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:55:32,561 INFO L225 Difference]: With dead ends: 12035 [2018-11-07 12:55:32,561 INFO L226 Difference]: Without dead ends: 7974 [2018-11-07 12:55:32,590 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 424 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=319, Invalid=1087, Unknown=0, NotChecked=0, Total=1406 [2018-11-07 12:55:32,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7974 states. [2018-11-07 12:55:32,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7974 to 7211. [2018-11-07 12:55:32,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7211 states. [2018-11-07 12:55:32,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7211 states to 7211 states and 9017 transitions. [2018-11-07 12:55:32,819 INFO L78 Accepts]: Start accepts. Automaton has 7211 states and 9017 transitions. Word has length 201 [2018-11-07 12:55:32,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:55:32,819 INFO L480 AbstractCegarLoop]: Abstraction has 7211 states and 9017 transitions. [2018-11-07 12:55:32,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 12:55:32,819 INFO L276 IsEmpty]: Start isEmpty. Operand 7211 states and 9017 transitions. [2018-11-07 12:55:32,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-11-07 12:55:32,840 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:55:32,841 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:55:32,841 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:55:32,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:55:32,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1555050874, now seen corresponding path program 1 times [2018-11-07 12:55:32,842 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:55:32,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:55:32,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:55:32,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:55:32,843 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:55:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:55:33,112 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-11-07 12:55:33,505 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 78 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:55:33,506 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:55:33,506 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:55:33,506 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 206 with the following transitions: [2018-11-07 12:55:33,506 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], [91], [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], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 12:55:33,510 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:55:33,511 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:55:34,605 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 12:55:34,606 INFO L272 AbstractInterpreter]: Visited 147 different actions 441 times. Merged at 8 different actions 24 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 12:55:34,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:55:34,646 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 12:55:34,646 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:55:34,646 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 12:55:34,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:55:34,662 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 12:55:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:55:34,762 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 12:55:35,281 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 12:55:35,282 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 12:55:35,389 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 12:55:35,410 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 12:55:35,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 16 [2018-11-07 12:55:35,410 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 12:55:35,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-07 12:55:35,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-07 12:55:35,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-11-07 12:55:35,412 INFO L87 Difference]: Start difference. First operand 7211 states and 9017 transitions. Second operand 15 states. [2018-11-07 12:55:39,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:55:39,722 INFO L93 Difference]: Finished difference Result 16992 states and 21884 transitions. [2018-11-07 12:55:39,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-07 12:55:39,722 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 205 [2018-11-07 12:55:39,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:55:39,765 INFO L225 Difference]: With dead ends: 16992 [2018-11-07 12:55:39,765 INFO L226 Difference]: Without dead ends: 8179 [2018-11-07 12:55:39,793 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 420 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=264, Invalid=666, Unknown=0, NotChecked=0, Total=930 [2018-11-07 12:55:39,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8179 states. [2018-11-07 12:55:39,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8179 to 7892. [2018-11-07 12:55:39,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7892 states. [2018-11-07 12:55:39,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7892 states to 7892 states and 9360 transitions. [2018-11-07 12:55:39,984 INFO L78 Accepts]: Start accepts. Automaton has 7892 states and 9360 transitions. Word has length 205 [2018-11-07 12:55:39,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:55:39,984 INFO L480 AbstractCegarLoop]: Abstraction has 7892 states and 9360 transitions. [2018-11-07 12:55:39,984 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-07 12:55:39,984 INFO L276 IsEmpty]: Start isEmpty. Operand 7892 states and 9360 transitions. [2018-11-07 12:55:40,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-07 12:55:40,002 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:55:40,003 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:55:40,003 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:55:40,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:55:40,003 INFO L82 PathProgramCache]: Analyzing trace with hash -737070372, now seen corresponding path program 1 times [2018-11-07 12:55:40,004 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:55:40,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:55:40,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:55:40,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:55:40,005 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:55:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:55:40,258 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 12:55:40,433 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 86 proven. 11 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-07 12:55:40,433 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:55:40,434 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:55:40,434 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 213 with the following transitions: [2018-11-07 12:55:40,434 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [67], [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], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 12:55:40,437 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:55:40,437 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:55:41,778 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 12:55:41,778 INFO L272 AbstractInterpreter]: Visited 147 different actions 1026 times. Merged at 8 different actions 65 times. Widened at 1 different actions 4 times. Found 13 fixpoints after 4 different actions. Largest state had 38 variables. [2018-11-07 12:55:41,784 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:55:41,784 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 12:55:41,784 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:55:41,784 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 12:55:41,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:55:41,793 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 12:55:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:55:41,876 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 12:55:42,050 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 98 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 12:55:42,050 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 12:55:42,342 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 98 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 12:55:42,369 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 12:55:42,369 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2018-11-07 12:55:42,370 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 12:55:42,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 12:55:42,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 12:55:42,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2018-11-07 12:55:42,371 INFO L87 Difference]: Start difference. First operand 7892 states and 9360 transitions. Second operand 11 states. [2018-11-07 12:55:44,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:55:44,253 INFO L93 Difference]: Finished difference Result 16448 states and 19895 transitions. [2018-11-07 12:55:44,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-07 12:55:44,253 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 212 [2018-11-07 12:55:44,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:55:44,254 INFO L225 Difference]: With dead ends: 16448 [2018-11-07 12:55:44,254 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 12:55:44,275 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 426 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2018-11-07 12:55:44,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 12:55:44,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 12:55:44,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 12:55:44,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 12:55:44,276 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 212 [2018-11-07 12:55:44,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:55:44,277 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 12:55:44,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 12:55:44,277 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 12:55:44,277 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 12:55:44,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 12:55:44,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:44,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:44,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:44,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:44,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:44,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:44,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:44,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:44,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:44,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:44,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:44,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:44,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:44,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:44,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:44,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:44,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:44,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:44,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:44,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:44,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:44,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:44,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:44,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:44,993 WARN L179 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 184 [2018-11-07 12:55:45,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:45,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:45,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:45,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:45,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:45,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:45,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:45,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:45,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:45,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:45,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:45,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:45,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:45,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:45,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:45,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:45,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:45,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:45,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:45,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:45,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:45,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:45,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:45,540 WARN L179 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 211 [2018-11-07 12:55:46,725 WARN L179 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2018-11-07 12:55:47,027 WARN L179 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 77 [2018-11-07 12:55:52,084 WARN L179 SmtUtils]: Spent 5.04 s on a formula simplification. DAG size of input: 307 DAG size of output: 44 [2018-11-07 12:55:53,088 WARN L179 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 90 [2018-11-07 12:55:54,160 WARN L179 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 233 DAG size of output: 90 [2018-11-07 12:55:54,163 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 12:55:54,163 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-07 12:55:54,163 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 12:55:54,163 INFO L425 ceAbstractionStarter]: For program point L564(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,163 INFO L425 ceAbstractionStarter]: For program point L531(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,163 INFO L425 ceAbstractionStarter]: For program point L498(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,164 INFO L425 ceAbstractionStarter]: For program point L465(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,164 INFO L425 ceAbstractionStarter]: For program point L432(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,164 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-07 12:55:54,164 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-07 12:55:54,164 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-07 12:55:54,164 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-07 12:55:54,164 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-07 12:55:54,164 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-07 12:55:54,165 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-07 12:55:54,165 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-07 12:55:54,165 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-07 12:55:54,165 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-07 12:55:54,165 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-07 12:55:54,165 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-07 12:55:54,165 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-07 12:55:54,165 INFO L425 ceAbstractionStarter]: For program point L567(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,165 INFO L425 ceAbstractionStarter]: For program point L534(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,166 INFO L425 ceAbstractionStarter]: For program point L501(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,166 INFO L425 ceAbstractionStarter]: For program point L468(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,166 INFO L425 ceAbstractionStarter]: For program point L435(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,166 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-07 12:55:54,166 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-07 12:55:54,166 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-07 12:55:54,166 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-07 12:55:54,166 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-07 12:55:54,167 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-07 12:55:54,167 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-07 12:55:54,167 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-07 12:55:54,167 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-07 12:55:54,167 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-07 12:55:54,167 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-07 12:55:54,167 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-07 12:55:54,167 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-07 12:55:54,167 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-07 12:55:54,168 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-07 12:55:54,168 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-07 12:55:54,168 INFO L425 ceAbstractionStarter]: For program point L570(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,168 INFO L425 ceAbstractionStarter]: For program point L537(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,168 INFO L425 ceAbstractionStarter]: For program point L504(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,168 INFO L425 ceAbstractionStarter]: For program point L471(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,168 INFO L425 ceAbstractionStarter]: For program point L438(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,168 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-07 12:55:54,169 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-07 12:55:54,169 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-07 12:55:54,169 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-07 12:55:54,169 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-07 12:55:54,169 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-07 12:55:54,169 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-07 12:55:54,169 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-07 12:55:54,169 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-07 12:55:54,169 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-07 12:55:54,170 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-07 12:55:54,170 INFO L425 ceAbstractionStarter]: For program point L540(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,170 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,170 INFO L425 ceAbstractionStarter]: For program point L507(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,170 INFO L425 ceAbstractionStarter]: For program point L474(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,170 INFO L425 ceAbstractionStarter]: For program point L441(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,170 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-07 12:55:54,170 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-07 12:55:54,170 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-07 12:55:54,171 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-07 12:55:54,171 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-07 12:55:54,171 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-07 12:55:54,171 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-07 12:55:54,171 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-07 12:55:54,171 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-07 12:55:54,171 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-07 12:55:54,171 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-07 12:55:54,171 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-07 12:55:54,171 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-07 12:55:54,172 INFO L425 ceAbstractionStarter]: For program point L576(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,172 INFO L425 ceAbstractionStarter]: For program point L543(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,172 INFO L425 ceAbstractionStarter]: For program point L510(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,172 INFO L425 ceAbstractionStarter]: For program point L477(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,172 INFO L425 ceAbstractionStarter]: For program point L444(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,172 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-07 12:55:54,172 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-07 12:55:54,172 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-07 12:55:54,172 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-07 12:55:54,173 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-07 12:55:54,173 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-07 12:55:54,173 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-07 12:55:54,173 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-07 12:55:54,173 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-07 12:55:54,173 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-07 12:55:54,173 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-07 12:55:54,173 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-07 12:55:54,173 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-07 12:55:54,174 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-07 12:55:54,174 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-07 12:55:54,174 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-07 12:55:54,174 INFO L425 ceAbstractionStarter]: For program point L579(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,174 INFO L425 ceAbstractionStarter]: For program point L546(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,174 INFO L425 ceAbstractionStarter]: For program point L513(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,174 INFO L425 ceAbstractionStarter]: For program point L480(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,174 INFO L425 ceAbstractionStarter]: For program point L447(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,174 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-07 12:55:54,175 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-07 12:55:54,175 INFO L425 ceAbstractionStarter]: For program point L414-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,175 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-07 12:55:54,175 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-07 12:55:54,175 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-07 12:55:54,175 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,175 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,175 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-07 12:55:54,176 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-07 12:55:54,176 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-07 12:55:54,176 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-07 12:55:54,176 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-07 12:55:54,176 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-07 12:55:54,176 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-07 12:55:54,176 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-07 12:55:54,176 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-07 12:55:54,176 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-07 12:55:54,176 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-07 12:55:54,177 INFO L425 ceAbstractionStarter]: For program point L582(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,177 INFO L425 ceAbstractionStarter]: For program point L549(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,177 INFO L425 ceAbstractionStarter]: For program point L516(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,177 INFO L425 ceAbstractionStarter]: For program point L483(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,177 INFO L425 ceAbstractionStarter]: For program point L450(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,177 INFO L425 ceAbstractionStarter]: For program point L417(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,177 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-07 12:55:54,177 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-07 12:55:54,177 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-07 12:55:54,177 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-07 12:55:54,178 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-07 12:55:54,178 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-07 12:55:54,178 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-07 12:55:54,178 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-07 12:55:54,178 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-07 12:55:54,178 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-07 12:55:54,178 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-07 12:55:54,178 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 574) no Hoare annotation was computed. [2018-11-07 12:55:54,179 INFO L425 ceAbstractionStarter]: For program point L585(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,179 INFO L425 ceAbstractionStarter]: For program point L552(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,179 INFO L425 ceAbstractionStarter]: For program point L519(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,179 INFO L425 ceAbstractionStarter]: For program point L486(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,179 INFO L425 ceAbstractionStarter]: For program point L453(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,179 INFO L425 ceAbstractionStarter]: For program point L420(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,179 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-07 12:55:54,179 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-07 12:55:54,179 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-07 12:55:54,180 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-07 12:55:54,180 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-07 12:55:54,180 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-07 12:55:54,180 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-07 12:55:54,180 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-07 12:55:54,180 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-07 12:55:54,180 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-07 12:55:54,180 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-07 12:55:54,180 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-07 12:55:54,180 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-07 12:55:54,181 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-07 12:55:54,181 INFO L425 ceAbstractionStarter]: For program point L588(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,181 INFO L425 ceAbstractionStarter]: For program point L555(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,181 INFO L425 ceAbstractionStarter]: For program point L522(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,181 INFO L425 ceAbstractionStarter]: For program point L489(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,181 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse10 (= ~a17~0 |old(~a17~0)|)) (.cse13 (= |old(~a28~0)| ~a28~0)) (.cse8 (= |old(~a19~0)| ~a19~0)) (.cse9 (= ~a11~0 |old(~a11~0)|)) (.cse11 (= ~a25~0 |old(~a25~0)|)) (.cse12 (= 1 |old(~a25~0)|))) (let ((.cse0 (not .cse12)) (.cse2 (and .cse13 .cse8 .cse9 (= 7 ~a17~0) .cse11)) (.cse3 (not (= 7 |old(~a17~0)|))) (.cse4 (and .cse9 .cse13 .cse8 .cse10 .cse11)) (.cse6 (= |old(~a11~0)| |old(~a19~0)|)) (.cse7 (< 10 |old(~a28~0)|)) (.cse1 (= 10 |old(~a28~0)|)) (.cse5 (not (= |old(~a17~0)| 8)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6) (or .cse7 .cse0 (and .cse8 .cse9 .cse10 (<= ~a28~0 10) (<= |old(~a28~0)| ~a28~0) .cse11) .cse5) (or .cse2 (= |old(~a17~0)| |old(~a28~0)|) .cse12 .cse3) (or .cse7 .cse4 .cse5 .cse6) (or .cse7 .cse1 .cse5 (and .cse13 .cse8 .cse9 .cse10 .cse11))))) [2018-11-07 12:55:54,181 INFO L425 ceAbstractionStarter]: For program point L456(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,182 INFO L425 ceAbstractionStarter]: For program point L423(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,182 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-07 12:55:54,182 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-07 12:55:54,182 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-07 12:55:54,182 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-07 12:55:54,182 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-07 12:55:54,182 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-07 12:55:54,182 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-07 12:55:54,182 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-07 12:55:54,182 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-07 12:55:54,183 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-07 12:55:54,183 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-07 12:55:54,183 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-07 12:55:54,183 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-07 12:55:54,183 INFO L425 ceAbstractionStarter]: For program point L591(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,183 INFO L425 ceAbstractionStarter]: For program point L558(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,183 INFO L425 ceAbstractionStarter]: For program point L525(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,183 INFO L425 ceAbstractionStarter]: For program point L492(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,183 INFO L425 ceAbstractionStarter]: For program point L459(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,184 INFO L425 ceAbstractionStarter]: For program point L426(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,184 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-07 12:55:54,184 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-07 12:55:54,184 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-07 12:55:54,184 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-07 12:55:54,184 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-07 12:55:54,184 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-07 12:55:54,184 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-07 12:55:54,184 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-07 12:55:54,185 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-07 12:55:54,185 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-07 12:55:54,185 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-07 12:55:54,185 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-07 12:55:54,185 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-07 12:55:54,185 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-07 12:55:54,185 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-07 12:55:54,185 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 596) no Hoare annotation was computed. [2018-11-07 12:55:54,186 INFO L425 ceAbstractionStarter]: For program point L561(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,186 INFO L425 ceAbstractionStarter]: For program point L528(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,186 INFO L425 ceAbstractionStarter]: For program point L495(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,186 INFO L425 ceAbstractionStarter]: For program point L462(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,186 INFO L425 ceAbstractionStarter]: For program point L429(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:55:54,186 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-07 12:55:54,186 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-07 12:55:54,186 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-07 12:55:54,186 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-07 12:55:54,187 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-07 12:55:54,187 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-07 12:55:54,187 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-07 12:55:54,187 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-07 12:55:54,187 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-07 12:55:54,187 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-07 12:55:54,187 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-07 12:55:54,187 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-07 12:55:54,188 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-07 12:55:54,188 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-07 12:55:54,188 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-07 12:55:54,188 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-07 12:55:54,188 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-07 12:55:54,188 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-07 12:55:54,188 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-07 12:55:54,188 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 12:55:54,189 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~z~0 26) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a~0 1) (= ~a19~0 1) (= ~a28~0 7)) [2018-11-07 12:55:54,189 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 12:55:54,189 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 12:55:54,189 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a11~0 |old(~a11~0)|) (= |old(~a28~0)| ~a28~0) (= ~a17~0 8)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-11-07 12:55:54,189 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-07 12:55:54,189 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse0 (= |old(~a17~0)| ~a17~0)) (.cse3 (<= ~a28~0 10)) (.cse2 (not (= ~a19~0 ~a11~0))) (.cse5 (= 7 ~a17~0)) (.cse1 (= 1 ~a25~0)) (.cse4 (not (= ~a28~0 10)))) (or (and .cse0 .cse1 .cse2) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (and .cse0 .cse3 .cse4) (not (= ~z~0 26)) (and .cse0 .cse3 .cse1) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse3 .cse2) (and (not (= ~a28~0 ~a17~0)) (not (= ~a25~0 1)) .cse5) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (and .cse5 .cse1 .cse4) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0)))) [2018-11-07 12:55:54,190 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-07 12:55:54,190 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-07 12:55:54,190 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (<= ~a28~0 10)) (.cse0 (= |old(~a17~0)| ~a17~0)) (.cse4 (not (= ~a19~0 ~a11~0))) (.cse5 (= 7 ~a17~0)) (.cse3 (= 1 ~a25~0)) (.cse2 (not (= ~a28~0 10)))) (or (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (and .cse0 .cse1 .cse2) (not (= ~z~0 26)) (and .cse0 .cse1 .cse3) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse1 .cse4) (and (not (= ~a28~0 ~a17~0)) (not (= ~a25~0 1)) .cse5) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (and .cse0 .cse3 .cse4) (not (= ~a~0 1)) (and .cse5 .cse3 .cse2) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0)))) [2018-11-07 12:55:54,190 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-07 12:55:54,190 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-07 12:55:54,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:55:54 BoogieIcfgContainer [2018-11-07 12:55:54,207 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 12:55:54,210 INFO L168 Benchmark]: Toolchain (without parser) took 103744.84 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 3.3 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-11-07 12:55:54,211 INFO L168 Benchmark]: CDTParser took 0.23 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 12:55:54,212 INFO L168 Benchmark]: CACSL2BoogieTranslator took 748.91 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 12:55:54,212 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.58 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 727.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -821.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. [2018-11-07 12:55:54,215 INFO L168 Benchmark]: Boogie Preprocessor took 105.23 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 12:55:54,216 INFO L168 Benchmark]: RCFGBuilder took 3306.53 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: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 7.1 GB. [2018-11-07 12:55:54,216 INFO L168 Benchmark]: TraceAbstraction took 99449.60 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-11-07 12:55:54,224 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 748.91 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 128.58 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 727.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -821.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.23 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3306.53 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: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 99449.60 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 574]: 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: (((((((((((((((((((((((\old(a17) == a17 && 1 == a25) && !(a19 == a11)) || !(a21 == 1)) || !(y == 25)) || !(1 == \old(a19))) || !(x == 24)) || !(e == 5)) || !(d == 4)) || !(21 == u)) || !(22 == v)) || !(\old(a11) == 0)) || ((\old(a17) == a17 && a28 <= 10) && !(a28 == 10))) || !(z == 26)) || ((\old(a17) == a17 && a28 <= 10) && 1 == a25)) || !(0 == \old(a25))) || ((\old(a17) == a17 && a28 <= 10) && !(a19 == a11))) || ((!(a28 == a17) && !(a25 == 1)) && 7 == a17)) || !(3 == c)) || !(23 == w)) || !(\old(a28) == 7)) || !(a == 1)) || ((7 == a17 && 1 == a25) && !(a28 == 10))) || !(\old(a17) == 8)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 99.3s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 70.4s AutomataDifference, 0.0s DeadEndRemovalTime, 9.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1665 SDtfs, 10818 SDslu, 3256 SDs, 0 SdLazy, 18272 SolverSat, 2738 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.0s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 2151 GetRequests, 1899 SyntacticMatches, 65 SemanticMatches, 187 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1404 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7892occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.1s AbstIntTime, 7 AbstIntIterations, 4 AbstIntStrong, 0.9969803752866491 AbsIntWeakeningRatio, 0.20804438280166435 AbsIntAvgWeakeningVarsNumRemoved, 26.095700416088764 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 1473 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 231 PreInvPairs, 357 NumberOfFragments, 596 HoareAnnotationTreeSize, 231 FomulaSimplifications, 25155 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 15334 FormulaSimplificationTreeSizeReductionInter, 8.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 2423 NumberOfCodeBlocks, 2423 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3025 ConstructedInterpolants, 0 QuantifiedInterpolants, 972919 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1526 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 16 InterpolantComputations, 3 PerfectInterpolantSequences, 1065/1179 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...