java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 17:07:12,767 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 17:07:12,769 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 17:07:12,780 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 17:07:12,781 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 17:07:12,782 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 17:07:12,783 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 17:07:12,785 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 17:07:12,787 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 17:07:12,788 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 17:07:12,789 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 17:07:12,789 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 17:07:12,790 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 17:07:12,791 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 17:07:12,793 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 17:07:12,793 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 17:07:12,794 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 17:07:12,796 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 17:07:12,798 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 17:07:12,800 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 17:07:12,801 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 17:07:12,802 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 17:07:12,805 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 17:07:12,806 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 17:07:12,806 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 17:07:12,807 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 17:07:12,808 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 17:07:12,809 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 17:07:12,810 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 17:07:12,816 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 17:07:12,817 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 17:07:12,817 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-12 17:07:12,818 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-12 17:07:12,818 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-12 17:07:12,819 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-12 17:07:12,820 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-12 17:07:12,820 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-12 17:07:12,851 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 17:07:12,853 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 17:07:12,854 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 17:07:12,854 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 17:07:12,854 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 17:07:12,855 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 17:07:12,855 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 17:07:12,855 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 17:07:12,855 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 17:07:12,856 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 17:07:12,856 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 17:07:12,856 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 17:07:12,856 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 17:07:12,857 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 17:07:12,858 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 17:07:12,858 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 17:07:12,858 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 17:07:12,858 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 17:07:12,858 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 17:07:12,859 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 17:07:12,859 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 17:07:12,859 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 17:07:12,859 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 17:07:12,859 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 17:07:12,861 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 17:07:12,861 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 17:07:12,861 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 17:07:12,861 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 17:07:12,862 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 17:07:12,862 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 17:07:12,862 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 17:07:12,862 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 17:07:12,862 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 17:07:12,863 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 17:07:12,864 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 17:07:12,931 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 17:07:12,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 17:07:12,954 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 17:07:12,956 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 17:07:12,956 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 17:07:12,957 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c [2018-11-12 17:07:13,016 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a140a52b/3363d2106b4f4bc499d319f72bde128f/FLAG0c50886d2 [2018-11-12 17:07:13,675 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 17:07:13,676 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c [2018-11-12 17:07:13,697 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a140a52b/3363d2106b4f4bc499d319f72bde128f/FLAG0c50886d2 [2018-11-12 17:07:13,722 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a140a52b/3363d2106b4f4bc499d319f72bde128f [2018-11-12 17:07:13,734 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 17:07:13,736 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 17:07:13,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 17:07:13,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 17:07:13,741 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 17:07:13,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:07:13" (1/1) ... [2018-11-12 17:07:13,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aa8d2e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:13, skipping insertion in model container [2018-11-12 17:07:13,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:07:13" (1/1) ... [2018-11-12 17:07:13,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 17:07:13,830 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 17:07:14,340 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 17:07:14,345 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 17:07:14,488 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 17:07:14,511 INFO L193 MainTranslator]: Completed translation [2018-11-12 17:07:14,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:14 WrapperNode [2018-11-12 17:07:14,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 17:07:14,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 17:07:14,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 17:07:14,514 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 17:07:14,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:14" (1/1) ... [2018-11-12 17:07:14,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:14" (1/1) ... [2018-11-12 17:07:14,670 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 17:07:14,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 17:07:14,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 17:07:14,671 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 17:07:14,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:14" (1/1) ... [2018-11-12 17:07:14,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:14" (1/1) ... [2018-11-12 17:07:14,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:14" (1/1) ... [2018-11-12 17:07:14,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:14" (1/1) ... [2018-11-12 17:07:14,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:14" (1/1) ... [2018-11-12 17:07:14,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:14" (1/1) ... [2018-11-12 17:07:14,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:14" (1/1) ... [2018-11-12 17:07:14,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 17:07:14,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 17:07:14,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 17:07:14,801 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 17:07:14,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 17:07:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-12 17:07:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 17:07:14,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 17:07:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-12 17:07:14,879 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-12 17:07:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 17:07:14,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 17:07:14,880 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 17:07:14,880 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 17:07:17,786 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 17:07:17,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:07:17 BoogieIcfgContainer [2018-11-12 17:07:17,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 17:07:17,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 17:07:17,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 17:07:17,792 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 17:07:17,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:07:13" (1/3) ... [2018-11-12 17:07:17,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e6f579c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:07:17, skipping insertion in model container [2018-11-12 17:07:17,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:14" (2/3) ... [2018-11-12 17:07:17,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e6f579c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:07:17, skipping insertion in model container [2018-11-12 17:07:17,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:07:17" (3/3) ... [2018-11-12 17:07:17,797 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label10_true-unreach-call_false-termination.c [2018-11-12 17:07:17,807 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 17:07:17,816 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 17:07:17,835 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 17:07:17,875 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 17:07:17,875 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 17:07:17,876 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 17:07:17,876 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 17:07:17,876 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 17:07:17,876 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 17:07:17,877 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 17:07:17,877 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 17:07:17,906 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-12 17:07:17,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-12 17:07:17,920 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:07:17,921 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] [2018-11-12 17:07:17,924 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:07:17,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:07:17,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1393235429, now seen corresponding path program 1 times [2018-11-12 17:07:17,933 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:07:17,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:17,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:07:17,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:17,996 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:07:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:07:18,602 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 17:07:18,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:07:18,767 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 17:07:18,767 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-12 17:07:18,767 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:07:18,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 17:07:18,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 17:07:18,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 17:07:18,793 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-12 17:07:20,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:07:20,261 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-12 17:07:20,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 17:07:20,264 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2018-11-12 17:07:20,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:07:20,282 INFO L225 Difference]: With dead ends: 550 [2018-11-12 17:07:20,283 INFO L226 Difference]: Without dead ends: 340 [2018-11-12 17:07:20,290 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 17:07:20,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-12 17:07:20,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-12 17:07:20,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-12 17:07:20,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 569 transitions. [2018-11-12 17:07:20,374 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 569 transitions. Word has length 117 [2018-11-12 17:07:20,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:07:20,375 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 569 transitions. [2018-11-12 17:07:20,375 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-12 17:07:20,375 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 569 transitions. [2018-11-12 17:07:20,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-12 17:07:20,386 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:07:20,389 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-12 17:07:20,390 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:07:20,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:07:20,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1543937650, now seen corresponding path program 1 times [2018-11-12 17:07:20,393 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:07:20,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:20,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:07:20,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:20,394 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:07:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:07:20,610 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:07:20,611 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 17:07:20,611 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-12 17:07:20,611 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:07:20,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-12 17:07:20,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-12 17:07:20,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-12 17:07:20,615 INFO L87 Difference]: Start difference. First operand 340 states and 569 transitions. Second operand 5 states. [2018-11-12 17:07:22,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:07:22,361 INFO L93 Difference]: Finished difference Result 1079 states and 1888 transitions. [2018-11-12 17:07:22,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 17:07:22,363 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2018-11-12 17:07:22,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:07:22,371 INFO L225 Difference]: With dead ends: 1079 [2018-11-12 17:07:22,371 INFO L226 Difference]: Without dead ends: 745 [2018-11-12 17:07:22,378 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-12 17:07:22,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2018-11-12 17:07:22,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 733. [2018-11-12 17:07:22,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2018-11-12 17:07:22,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1163 transitions. [2018-11-12 17:07:22,430 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1163 transitions. Word has length 127 [2018-11-12 17:07:22,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:07:22,430 INFO L480 AbstractCegarLoop]: Abstraction has 733 states and 1163 transitions. [2018-11-12 17:07:22,430 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-12 17:07:22,430 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1163 transitions. [2018-11-12 17:07:22,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-12 17:07:22,435 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:07:22,435 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-12 17:07:22,436 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:07:22,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:07:22,436 INFO L82 PathProgramCache]: Analyzing trace with hash 942593623, now seen corresponding path program 1 times [2018-11-12 17:07:22,436 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:07:22,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:22,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:07:22,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:22,438 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:07:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:07:22,605 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:07:22,606 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:07:22,606 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:07:22,607 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-11-12 17:07:22,609 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-12 17:07:22,664 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:07:22,664 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:07:24,191 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 17:07:24,193 INFO L272 AbstractInterpreter]: Visited 121 different actions 186 times. Merged at 4 different actions 4 times. Never widened. Performed 2504 root evaluator evaluations with a maximum evaluation depth of 6. Performed 2504 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-12 17:07:24,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:07:24,241 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 17:07:24,910 INFO L227 lantSequenceWeakener]: Weakened 150 states. On average, predicates are now at 80.43% of their original sizes. [2018-11-12 17:07:24,910 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 17:07:25,876 INFO L415 sIntCurrentIteration]: We unified 152 AI predicates to 152 [2018-11-12 17:07:25,876 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 17:07:25,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 17:07:25,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-12 17:07:25,881 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:07:25,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-12 17:07:25,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-12 17:07:25,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-12 17:07:25,885 INFO L87 Difference]: Start difference. First operand 733 states and 1163 transitions. Second operand 11 states. [2018-11-12 17:07:42,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:07:42,737 INFO L93 Difference]: Finished difference Result 2333 states and 3723 transitions. [2018-11-12 17:07:42,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-12 17:07:42,738 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 153 [2018-11-12 17:07:42,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:07:42,751 INFO L225 Difference]: With dead ends: 2333 [2018-11-12 17:07:42,751 INFO L226 Difference]: Without dead ends: 1606 [2018-11-12 17:07:42,754 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 163 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2018-11-12 17:07:42,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2018-11-12 17:07:42,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1579. [2018-11-12 17:07:42,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1579 states. [2018-11-12 17:07:42,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1579 states to 1579 states and 2094 transitions. [2018-11-12 17:07:42,822 INFO L78 Accepts]: Start accepts. Automaton has 1579 states and 2094 transitions. Word has length 153 [2018-11-12 17:07:42,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:07:42,824 INFO L480 AbstractCegarLoop]: Abstraction has 1579 states and 2094 transitions. [2018-11-12 17:07:42,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-12 17:07:42,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1579 states and 2094 transitions. [2018-11-12 17:07:42,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-12 17:07:42,830 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:07:42,832 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:07:42,833 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:07:42,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:07:42,833 INFO L82 PathProgramCache]: Analyzing trace with hash 175816796, now seen corresponding path program 1 times [2018-11-12 17:07:42,834 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:07:42,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:42,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:07:42,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:42,836 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:07:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:07:43,238 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 52 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-12 17:07:43,238 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:07:43,238 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:07:43,239 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 167 with the following transitions: [2018-11-12 17:07:43,239 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-12 17:07:43,246 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:07:43,246 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:07:43,833 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 17:07:43,833 INFO L272 AbstractInterpreter]: Visited 122 different actions 191 times. Merged at 5 different actions 7 times. Never widened. Performed 3701 root evaluator evaluations with a maximum evaluation depth of 6. Performed 3701 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-12 17:07:43,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:07:43,876 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 17:07:44,460 INFO L227 lantSequenceWeakener]: Weakened 75 states. On average, predicates are now at 81.3% of their original sizes. [2018-11-12 17:07:44,460 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 17:07:45,803 INFO L415 sIntCurrentIteration]: We unified 165 AI predicates to 165 [2018-11-12 17:07:45,804 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 17:07:45,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 17:07:45,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2018-11-12 17:07:45,804 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:07:45,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-12 17:07:45,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-12 17:07:45,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-12 17:07:45,806 INFO L87 Difference]: Start difference. First operand 1579 states and 2094 transitions. Second operand 19 states. [2018-11-12 17:08:05,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:08:05,263 INFO L93 Difference]: Finished difference Result 3437 states and 4621 transitions. [2018-11-12 17:08:05,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-12 17:08:05,264 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 166 [2018-11-12 17:08:05,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:08:05,273 INFO L225 Difference]: With dead ends: 3437 [2018-11-12 17:08:05,273 INFO L226 Difference]: Without dead ends: 2000 [2018-11-12 17:08:05,278 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 177 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=207, Invalid=723, Unknown=0, NotChecked=0, Total=930 [2018-11-12 17:08:05,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2000 states. [2018-11-12 17:08:05,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2000 to 1990. [2018-11-12 17:08:05,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1990 states. [2018-11-12 17:08:05,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1990 states to 1990 states and 2546 transitions. [2018-11-12 17:08:05,337 INFO L78 Accepts]: Start accepts. Automaton has 1990 states and 2546 transitions. Word has length 166 [2018-11-12 17:08:05,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:08:05,337 INFO L480 AbstractCegarLoop]: Abstraction has 1990 states and 2546 transitions. [2018-11-12 17:08:05,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-12 17:08:05,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1990 states and 2546 transitions. [2018-11-12 17:08:05,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-12 17:08:05,344 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:08:05,345 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:08:05,345 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:08:05,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:05,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1952384591, now seen corresponding path program 1 times [2018-11-12 17:08:05,346 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:08:05,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:05,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:08:05,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:05,347 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:08:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:08:05,514 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 66 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-12 17:08:05,514 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:08:05,514 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:08:05,515 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 179 with the following transitions: [2018-11-12 17:08:05,515 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-12 17:08:05,519 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:08:05,520 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:08:06,977 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 17:08:06,977 INFO L272 AbstractInterpreter]: Visited 124 different actions 694 times. Merged at 9 different actions 59 times. Widened at 1 different actions 2 times. Performed 10563 root evaluator evaluations with a maximum evaluation depth of 6. Performed 10563 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 14 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-12 17:08:06,984 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:06,985 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 17:08:06,985 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:08:06,985 INFO L192 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 [2018-11-12 17:08:06,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:08:06,995 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 17:08:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:08:07,101 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 17:08:07,295 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-12 17:08:07,296 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 17:08:07,696 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 66 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-12 17:08:07,717 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-12 17:08:07,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-11-12 17:08:07,718 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-12 17:08:07,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-12 17:08:07,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-12 17:08:07,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-12 17:08:07,719 INFO L87 Difference]: Start difference. First operand 1990 states and 2546 transitions. Second operand 8 states. [2018-11-12 17:08:13,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:08:13,292 INFO L93 Difference]: Finished difference Result 5759 states and 8248 transitions. [2018-11-12 17:08:13,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-12 17:08:13,292 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 178 [2018-11-12 17:08:13,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:08:13,309 INFO L225 Difference]: With dead ends: 5759 [2018-11-12 17:08:13,309 INFO L226 Difference]: Without dead ends: 2956 [2018-11-12 17:08:13,326 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-11-12 17:08:13,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2956 states. [2018-11-12 17:08:13,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2956 to 2846. [2018-11-12 17:08:13,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2846 states. [2018-11-12 17:08:13,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2846 states and 3454 transitions. [2018-11-12 17:08:13,421 INFO L78 Accepts]: Start accepts. Automaton has 2846 states and 3454 transitions. Word has length 178 [2018-11-12 17:08:13,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:08:13,422 INFO L480 AbstractCegarLoop]: Abstraction has 2846 states and 3454 transitions. [2018-11-12 17:08:13,422 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-12 17:08:13,422 INFO L276 IsEmpty]: Start isEmpty. Operand 2846 states and 3454 transitions. [2018-11-12 17:08:13,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-12 17:08:13,432 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:08:13,432 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:08:13,432 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:08:13,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:13,433 INFO L82 PathProgramCache]: Analyzing trace with hash -8986296, now seen corresponding path program 1 times [2018-11-12 17:08:13,433 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:08:13,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:13,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:08:13,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:13,434 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:08:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:08:13,667 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 92 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-12 17:08:13,667 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:08:13,667 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:08:13,668 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 200 with the following transitions: [2018-11-12 17:08:13,668 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-12 17:08:13,673 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:08:13,673 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:08:14,080 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 17:08:14,080 INFO L272 AbstractInterpreter]: Visited 122 different actions 191 times. Merged at 5 different actions 7 times. Never widened. Performed 3503 root evaluator evaluations with a maximum evaluation depth of 6. Performed 3503 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-12 17:08:14,091 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:14,091 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 17:08:14,686 INFO L227 lantSequenceWeakener]: Weakened 126 states. On average, predicates are now at 80.77% of their original sizes. [2018-11-12 17:08:14,686 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 17:08:15,893 INFO L415 sIntCurrentIteration]: We unified 198 AI predicates to 198 [2018-11-12 17:08:15,893 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 17:08:15,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 17:08:15,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [26] imperfect sequences [6] total 30 [2018-11-12 17:08:15,894 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:08:15,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-11-12 17:08:15,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-11-12 17:08:15,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=508, Unknown=0, NotChecked=0, Total=650 [2018-11-12 17:08:15,895 INFO L87 Difference]: Start difference. First operand 2846 states and 3454 transitions. Second operand 26 states. [2018-11-12 17:08:36,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:08:36,190 INFO L93 Difference]: Finished difference Result 5697 states and 6997 transitions. [2018-11-12 17:08:36,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-12 17:08:36,191 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 199 [2018-11-12 17:08:36,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:08:36,204 INFO L225 Difference]: With dead ends: 5697 [2018-11-12 17:08:36,204 INFO L226 Difference]: Without dead ends: 3056 [2018-11-12 17:08:36,212 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 217 GetRequests, 168 SyntacticMatches, 6 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 559 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=372, Invalid=1608, Unknown=0, NotChecked=0, Total=1980 [2018-11-12 17:08:36,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3056 states. [2018-11-12 17:08:36,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3056 to 2772. [2018-11-12 17:08:36,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2772 states. [2018-11-12 17:08:36,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2772 states and 3377 transitions. [2018-11-12 17:08:36,283 INFO L78 Accepts]: Start accepts. Automaton has 2772 states and 3377 transitions. Word has length 199 [2018-11-12 17:08:36,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:08:36,285 INFO L480 AbstractCegarLoop]: Abstraction has 2772 states and 3377 transitions. [2018-11-12 17:08:36,285 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-11-12 17:08:36,285 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 3377 transitions. [2018-11-12 17:08:36,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-12 17:08:36,295 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:08:36,295 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:08:36,296 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:08:36,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:36,296 INFO L82 PathProgramCache]: Analyzing trace with hash -356646139, now seen corresponding path program 1 times [2018-11-12 17:08:36,296 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:08:36,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:36,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:08:36,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:36,297 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:08:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:08:36,931 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 44 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-12 17:08:36,931 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:08:36,931 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:08:36,931 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 209 with the following transitions: [2018-11-12 17:08:36,931 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-12 17:08:36,934 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:08:36,934 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:08:37,732 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 17:08:37,733 INFO L272 AbstractInterpreter]: Visited 124 different actions 446 times. Merged at 9 different actions 35 times. Never widened. Performed 6862 root evaluator evaluations with a maximum evaluation depth of 6. Performed 6862 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-12 17:08:37,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:37,740 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 17:08:37,740 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:08:37,740 INFO L192 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 [2018-11-12 17:08:37,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:08:37,751 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 17:08:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:08:37,852 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 17:08:37,977 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 108 proven. 2 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-12 17:08:37,977 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 17:08:38,156 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 96 proven. 36 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-12 17:08:38,177 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-12 17:08:38,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-12 17:08:38,177 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-12 17:08:38,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-12 17:08:38,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-12 17:08:38,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-12 17:08:38,178 INFO L87 Difference]: Start difference. First operand 2772 states and 3377 transitions. Second operand 11 states. [2018-11-12 17:08:40,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:08:40,639 INFO L93 Difference]: Finished difference Result 10276 states and 13172 transitions. [2018-11-12 17:08:40,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-12 17:08:40,648 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 208 [2018-11-12 17:08:40,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:08:40,686 INFO L225 Difference]: With dead ends: 10276 [2018-11-12 17:08:40,686 INFO L226 Difference]: Without dead ends: 7709 [2018-11-12 17:08:40,703 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 419 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-11-12 17:08:40,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7709 states. [2018-11-12 17:08:40,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7709 to 7544. [2018-11-12 17:08:40,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7544 states. [2018-11-12 17:08:40,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7544 states to 7544 states and 9216 transitions. [2018-11-12 17:08:40,919 INFO L78 Accepts]: Start accepts. Automaton has 7544 states and 9216 transitions. Word has length 208 [2018-11-12 17:08:40,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:08:40,919 INFO L480 AbstractCegarLoop]: Abstraction has 7544 states and 9216 transitions. [2018-11-12 17:08:40,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-12 17:08:40,919 INFO L276 IsEmpty]: Start isEmpty. Operand 7544 states and 9216 transitions. [2018-11-12 17:08:40,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-12 17:08:40,942 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:08:40,943 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:08:40,943 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:08:40,943 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:40,943 INFO L82 PathProgramCache]: Analyzing trace with hash -270817773, now seen corresponding path program 1 times [2018-11-12 17:08:40,944 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:08:40,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:40,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:08:40,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:40,945 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:08:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:08:41,335 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 141 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-12 17:08:41,335 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:08:41,336 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:08:41,336 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 218 with the following transitions: [2018-11-12 17:08:41,336 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-12 17:08:41,338 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:08:41,338 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:08:42,048 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 17:08:42,050 INFO L272 AbstractInterpreter]: Visited 123 different actions 312 times. Merged at 7 different actions 14 times. Never widened. Performed 4609 root evaluator evaluations with a maximum evaluation depth of 6. Performed 4609 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 3 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-12 17:08:42,056 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:42,056 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 17:08:42,445 INFO L227 lantSequenceWeakener]: Weakened 214 states. On average, predicates are now at 80.36% of their original sizes. [2018-11-12 17:08:42,446 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 17:08:42,616 INFO L415 sIntCurrentIteration]: We unified 216 AI predicates to 216 [2018-11-12 17:08:42,616 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 17:08:42,617 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 17:08:42,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-12 17:08:42,617 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:08:42,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-12 17:08:42,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-12 17:08:42,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-12 17:08:42,618 INFO L87 Difference]: Start difference. First operand 7544 states and 9216 transitions. Second operand 11 states. [2018-11-12 17:08:47,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:08:47,257 INFO L93 Difference]: Finished difference Result 14887 states and 18250 transitions. [2018-11-12 17:08:47,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-12 17:08:47,257 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2018-11-12 17:08:47,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:08:47,296 INFO L225 Difference]: With dead ends: 14887 [2018-11-12 17:08:47,296 INFO L226 Difference]: Without dead ends: 7686 [2018-11-12 17:08:47,324 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 225 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2018-11-12 17:08:47,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7686 states. [2018-11-12 17:08:47,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7686 to 7682. [2018-11-12 17:08:47,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7682 states. [2018-11-12 17:08:47,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7682 states to 7682 states and 9364 transitions. [2018-11-12 17:08:47,507 INFO L78 Accepts]: Start accepts. Automaton has 7682 states and 9364 transitions. Word has length 217 [2018-11-12 17:08:47,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:08:47,507 INFO L480 AbstractCegarLoop]: Abstraction has 7682 states and 9364 transitions. [2018-11-12 17:08:47,507 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-12 17:08:47,507 INFO L276 IsEmpty]: Start isEmpty. Operand 7682 states and 9364 transitions. [2018-11-12 17:08:47,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-12 17:08:47,532 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:08:47,532 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:08:47,532 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:08:47,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:47,533 INFO L82 PathProgramCache]: Analyzing trace with hash 749862631, now seen corresponding path program 1 times [2018-11-12 17:08:47,533 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:08:47,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:47,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:08:47,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:47,534 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:08:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:08:48,300 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 112 proven. 44 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-12 17:08:48,300 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:08:48,300 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:08:48,300 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 231 with the following transitions: [2018-11-12 17:08:48,301 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [225], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-12 17:08:48,303 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:08:48,303 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:08:49,214 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 17:08:49,214 INFO L272 AbstractInterpreter]: Visited 123 different actions 314 times. Merged at 7 different actions 16 times. Never widened. Performed 4765 root evaluator evaluations with a maximum evaluation depth of 6. Performed 4765 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 4 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-12 17:08:49,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:49,252 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 17:08:49,695 INFO L227 lantSequenceWeakener]: Weakened 227 states. On average, predicates are now at 80.34% of their original sizes. [2018-11-12 17:08:49,696 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 17:08:49,782 INFO L415 sIntCurrentIteration]: We unified 229 AI predicates to 229 [2018-11-12 17:08:49,782 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 17:08:49,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 17:08:49,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2018-11-12 17:08:49,782 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:08:49,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-12 17:08:49,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-12 17:08:49,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-12 17:08:49,783 INFO L87 Difference]: Start difference. First operand 7682 states and 9364 transitions. Second operand 10 states. [2018-11-12 17:08:54,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:08:54,398 INFO L93 Difference]: Finished difference Result 14423 states and 17627 transitions. [2018-11-12 17:08:54,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-12 17:08:54,398 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 230 [2018-11-12 17:08:54,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:08:54,423 INFO L225 Difference]: With dead ends: 14423 [2018-11-12 17:08:54,423 INFO L226 Difference]: Without dead ends: 8254 [2018-11-12 17:08:54,441 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 236 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-12 17:08:54,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8254 states. [2018-11-12 17:08:54,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8254 to 8239. [2018-11-12 17:08:54,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8239 states. [2018-11-12 17:08:54,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8239 states to 8239 states and 9994 transitions. [2018-11-12 17:08:54,609 INFO L78 Accepts]: Start accepts. Automaton has 8239 states and 9994 transitions. Word has length 230 [2018-11-12 17:08:54,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:08:54,610 INFO L480 AbstractCegarLoop]: Abstraction has 8239 states and 9994 transitions. [2018-11-12 17:08:54,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-12 17:08:54,610 INFO L276 IsEmpty]: Start isEmpty. Operand 8239 states and 9994 transitions. [2018-11-12 17:08:54,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-12 17:08:54,634 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:08:54,634 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:08:54,634 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:08:54,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:54,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1872240097, now seen corresponding path program 1 times [2018-11-12 17:08:54,635 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:08:54,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:54,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:08:54,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:54,636 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:08:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:08:55,051 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 167 proven. 45 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-12 17:08:55,052 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:08:55,052 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:08:55,052 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 234 with the following transitions: [2018-11-12 17:08:55,052 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [105], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-12 17:08:55,054 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:08:55,054 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:08:56,718 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 17:08:56,718 INFO L272 AbstractInterpreter]: Visited 124 different actions 570 times. Merged at 9 different actions 46 times. Widened at 1 different actions 1 times. Performed 9490 root evaluator evaluations with a maximum evaluation depth of 6. Performed 9490 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 10 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-12 17:08:56,726 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:56,726 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 17:08:56,726 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:08:56,726 INFO L192 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 [2018-11-12 17:08:56,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:08:56,737 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 17:08:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:08:56,831 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 17:08:56,925 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 150 proven. 19 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-12 17:08:56,925 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 17:08:57,069 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 167 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-12 17:08:57,089 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-12 17:08:57,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2018-11-12 17:08:57,089 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-12 17:08:57,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-12 17:08:57,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-12 17:08:57,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-11-12 17:08:57,091 INFO L87 Difference]: Start difference. First operand 8239 states and 9994 transitions. Second operand 11 states. [2018-11-12 17:09:01,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:09:01,784 INFO L93 Difference]: Finished difference Result 18029 states and 23403 transitions. [2018-11-12 17:09:01,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-11-12 17:09:01,785 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 233 [2018-11-12 17:09:01,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:09:01,786 INFO L225 Difference]: With dead ends: 18029 [2018-11-12 17:09:01,786 INFO L226 Difference]: Without dead ends: 0 [2018-11-12 17:09:01,835 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 483 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 480 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=332, Invalid=1390, Unknown=0, NotChecked=0, Total=1722 [2018-11-12 17:09:01,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-12 17:09:01,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-12 17:09:01,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-12 17:09:01,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-12 17:09:01,836 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 233 [2018-11-12 17:09:01,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:09:01,836 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-12 17:09:01,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-12 17:09:01,836 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-12 17:09:01,837 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-12 17:09:01,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-12 17:09:02,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,708 WARN L179 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 181 [2018-11-12 17:09:02,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:02,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:03,137 WARN L179 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 175 [2018-11-12 17:09:03,955 WARN L179 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2018-11-12 17:09:06,302 WARN L179 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 143 DAG size of output: 86 [2018-11-12 17:09:10,663 WARN L179 SmtUtils]: Spent 4.33 s on a formula simplification. DAG size of input: 381 DAG size of output: 190 [2018-11-12 17:09:11,316 WARN L179 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 109 [2018-11-12 17:09:11,836 WARN L179 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 112 [2018-11-12 17:09:11,840 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-12 17:09:11,841 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0) (<= ~a21~0 |old(~a21~0)|) (= ~a16~0 |old(~a16~0)|)) [2018-11-12 17:09:11,841 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-12 17:09:11,841 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-12 17:09:11,841 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed. [2018-11-12 17:09:11,841 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-12 17:09:11,841 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,842 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,842 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,842 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,842 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,842 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,842 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-12 17:09:11,842 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-12 17:09:11,842 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-12 17:09:11,842 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-12 17:09:11,843 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-12 17:09:11,843 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-12 17:09:11,843 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-12 17:09:11,843 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-12 17:09:11,843 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-12 17:09:11,843 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-12 17:09:11,843 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,843 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,844 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,844 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,844 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,844 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,844 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-12 17:09:11,844 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-12 17:09:11,844 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-12 17:09:11,844 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-12 17:09:11,844 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-12 17:09:11,845 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-12 17:09:11,845 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-12 17:09:11,845 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-12 17:09:11,845 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-12 17:09:11,845 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-12 17:09:11,845 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-12 17:09:11,845 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-12 17:09:11,845 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-12 17:09:11,845 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-12 17:09:11,846 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-12 17:09:11,846 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,846 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,846 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,846 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,846 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,846 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-12 17:09:11,846 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-12 17:09:11,846 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-12 17:09:11,847 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-12 17:09:11,847 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-12 17:09:11,847 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-12 17:09:11,847 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-12 17:09:11,847 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-12 17:09:11,847 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-12 17:09:11,847 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,847 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,848 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,848 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,848 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,848 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-12 17:09:11,848 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-12 17:09:11,848 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-12 17:09:11,848 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-12 17:09:11,848 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-12 17:09:11,848 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-12 17:09:11,849 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-12 17:09:11,849 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-12 17:09:11,849 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-12 17:09:11,849 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-12 17:09:11,849 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-12 17:09:11,849 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-12 17:09:11,849 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-12 17:09:11,849 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,850 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,850 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,850 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,850 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,850 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-12 17:09:11,850 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-12 17:09:11,850 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-12 17:09:11,850 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-12 17:09:11,850 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-12 17:09:11,851 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-12 17:09:11,851 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-12 17:09:11,851 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-12 17:09:11,851 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-12 17:09:11,851 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,851 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,851 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,851 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,851 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,851 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,852 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-12 17:09:11,852 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,852 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-12 17:09:11,852 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-12 17:09:11,852 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-12 17:09:11,852 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-12 17:09:11,852 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-12 17:09:11,852 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-12 17:09:11,852 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-12 17:09:11,853 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-12 17:09:11,853 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-12 17:09:11,853 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-12 17:09:11,853 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-12 17:09:11,853 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-12 17:09:11,853 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-12 17:09:11,853 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,853 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,853 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,854 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,854 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,854 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-12 17:09:11,854 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-12 17:09:11,854 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-12 17:09:11,854 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-12 17:09:11,854 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-12 17:09:11,854 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-12 17:09:11,854 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-12 17:09:11,855 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-12 17:09:11,855 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,855 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,855 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,855 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,855 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,855 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-12 17:09:11,855 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-12 17:09:11,856 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-12 17:09:11,856 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-12 17:09:11,856 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-12 17:09:11,856 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-12 17:09:11,856 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-12 17:09:11,856 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-12 17:09:11,856 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-12 17:09:11,856 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-12 17:09:11,857 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse23 (= 1 |old(~a7~0)|)) (.cse35 (= 1 ~a7~0)) (.cse7 (= ~a7~0 |old(~a7~0)|)) (.cse8 (= |old(~a8~0)| ~a8~0)) (.cse31 (= |old(~a20~0)| ~a20~0)) (.cse32 (<= ~a21~0 |old(~a21~0)|)) (.cse33 (= ~a16~0 |old(~a16~0)|)) (.cse25 (= ~a17~0 1)) (.cse20 (= ~a21~0 1))) (let ((.cse17 (< 15 |old(~a8~0)|)) (.cse4 (< 0 |old(~a21~0)|)) (.cse16 (not (= 4 |old(~a16~0)|))) (.cse1 (< 13 |old(~a8~0)|)) (.cse10 (not (= 1 |old(~a17~0)|))) (.cse18 (and .cse25 .cse20)) (.cse11 (not (= 1 |old(~a20~0)|))) (.cse26 (< 1 |old(~a7~0)|)) (.cse19 (< |old(~a8~0)| 13)) (.cse27 (< |old(~a7~0)| 0)) (.cse24 (and .cse7 .cse8 .cse31 .cse32 .cse33)) (.cse15 (= 6 |old(~a16~0)|)) (.cse34 (= 13 |old(~a8~0)|)) (.cse0 (and .cse35 .cse8 .cse31 .cse32 .cse33)) (.cse3 (not .cse23)) (.cse5 (< 6 |calculate_output_#in~input|)) (.cse21 (not (= 0 |old(~a7~0)|))) (.cse6 (not (= 1 |old(~a21~0)|))) (.cse2 (< |old(~a20~0)| 1)) (.cse9 (not (= 8 ~a12~0))) (.cse28 (< 1 |old(~a17~0)|)) (.cse22 (not (= 15 |old(~a8~0)|))) (.cse12 (< 5 |old(~a16~0)|)) (.cse13 (< |old(~a16~0)| 4)) (.cse29 (< |old(~a17~0)| 0)) (.cse30 (and (<= 0 ~a17~0) .cse20 (<= ~a17~0 1))) (.cse14 (< |calculate_output_#in~input| 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 (and (<= ~a16~0 5) .cse7 .cse8 (<= 4 ~a16~0) (= ~a20~0 1)) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (or .cse15 (= |old(~a7~0)| 1) (and .cse7 .cse8 (not (= ~a16~0 6)))) (or .cse5 (or .cse6 .cse16) .cse9 .cse10 .cse11 .cse14 (= ~a16~0 4)) (or .cse5 .cse6 .cse17 .cse9 .cse10 .cse11 .cse12 .cse13 .cse18 .cse3 .cse19 .cse14) (or (and .cse20 (= ~a17~0 0)) (or .cse21 .cse6 (< 6 |old(~a16~0)|) (< |old(~a16~0)| 5) .cse22 (not (= 0 |old(~a17~0)|)) .cse9) .cse11) (or .cse23 .cse11 .cse24) (or .cse5 .cse10 .cse25 (or .cse21 .cse6 (not (= 0 |old(~a20~0)|)) .cse9) .cse22 (not (= 5 |old(~a16~0)|)) .cse14) (or .cse5 .cse6 .cse17 .cse16 .cse9 .cse10 .cse11 (and .cse20 .cse25) .cse26 .cse19 .cse27 .cse14) (or (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= ~x~0 24)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) .cse14 .cse21 .cse5 (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (not (= ~a~0 1)) .cse25 (not (= |old(~a17~0)| 1)) (not (= |old(~a8~0)| 15)) (not (= 6 ~f~0))) (or .cse15 .cse3 .cse4 .cse0) (or .cse5 .cse21 .cse6 .cse9 .cse28 (< |old(~a20~0)| 0) .cse22 .cse12 .cse13 .cse29 .cse30 (< 0 |old(~a20~0)|) .cse14) (or .cse23 (and .cse31 .cse32 .cse33) .cse16) (or .cse5 .cse6 .cse1 .cse9 .cse10 .cse18 .cse11 .cse12 .cse13 .cse26 .cse19 .cse27 .cse14) (or .cse23 .cse24 .cse34) (or .cse3 (and .cse35 .cse8) (< |old(~a8~0)| 15)) (or .cse15 .cse34 .cse0 .cse3) (or .cse5 .cse21 .cse6 .cse2 .cse9 .cse28 (< 1 |old(~a20~0)|) .cse22 .cse12 .cse13 .cse29 .cse30 .cse14)))) [2018-11-12 17:09:11,857 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-12 17:09:11,857 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,857 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,857 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,858 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,858 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-12 17:09:11,858 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,858 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,858 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-12 17:09:11,858 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-12 17:09:11,858 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-12 17:09:11,858 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-12 17:09:11,858 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-12 17:09:11,859 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-12 17:09:11,859 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-12 17:09:11,859 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-12 17:09:11,859 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-12 17:09:11,859 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-12 17:09:11,859 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-12 17:09:11,859 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-12 17:09:11,859 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,859 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,859 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,860 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,860 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,860 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-12 17:09:11,860 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,860 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-12 17:09:11,860 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-12 17:09:11,860 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-12 17:09:11,860 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-12 17:09:11,860 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-12 17:09:11,860 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-12 17:09:11,861 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-12 17:09:11,861 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-12 17:09:11,861 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-12 17:09:11,861 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-12 17:09:11,861 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-12 17:09:11,861 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-12 17:09:11,861 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-12 17:09:11,861 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-12 17:09:11,861 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,862 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,862 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,862 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,862 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,862 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:11,862 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-12 17:09:11,862 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-12 17:09:11,862 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-12 17:09:11,862 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-12 17:09:11,862 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-12 17:09:11,863 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-12 17:09:11,863 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-12 17:09:11,863 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-12 17:09:11,863 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-12 17:09:11,863 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-12 17:09:11,863 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-12 17:09:11,863 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~a8~0 15) (= ~z~0 26) (= ~a17~0 1) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~a7~0 0) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~b~0 2) (= ~a~0 1) (= ~a12~0 8) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-12 17:09:11,863 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-12 17:09:11,863 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-12 17:09:11,864 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (and (= ~a21~0 1) (= |old(~a8~0)| ~a8~0) (= ~a17~0 1) (= ~a7~0 |old(~a7~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= |old(~a16~0)| 5)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= |old(~a7~0)| 0)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= ~x~0 24)) (not (= |old(~a17~0)| 1)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= |old(~a8~0)| 15)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-11-12 17:09:11,864 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-12 17:09:11,864 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a7~0 1))) (.cse1 (not (= ~a8~0 13))) (.cse2 (= 1 ~a7~0)) (.cse3 (<= ~a21~0 0)) (.cse4 (not (= ~a16~0 6)))) (or (and .cse0 .cse1) (and .cse0 (= ~a16~0 4)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (and (<= ~a8~0 13) .cse2 .cse3 (<= 1 ~a20~0)) (and (= ~a7~0 |old(~a7~0)|) .cse4) (and .cse0 (= |old(~a20~0)| ~a20~0)) (not (= ~x~0 24)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= ~d~0 4)) (and .cse4 .cse1) (and (<= ~a8~0 |old(~a8~0)|) (<= 15 ~a8~0)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) (not (= 0 |old(~a7~0)|)) (and (<= 1 main_~input~0) (<= main_~input~0 6) (<= ~a16~0 5) (= ~a17~0 1) (= ~a21~0 1) (<= 4 ~a16~0) (= ~a20~0 1)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 1)) (not (= |old(~a8~0)| 15)) (not (= 6 ~f~0)) (and .cse2 .cse3 .cse4))) [2018-11-12 17:09:11,864 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-12 17:09:11,864 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-12 17:09:11,864 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-12 17:09:11,865 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a7~0 1))) (.cse1 (not (= ~a8~0 13))) (.cse2 (= 1 ~a7~0)) (.cse3 (<= ~a21~0 0)) (.cse4 (not (= ~a16~0 6)))) (or (and .cse0 .cse1) (and .cse0 (= ~a16~0 4)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (and (<= ~a8~0 13) .cse2 .cse3 (<= 1 ~a20~0)) (and (= ~a7~0 |old(~a7~0)|) .cse4) (and .cse0 (= |old(~a20~0)| ~a20~0)) (not (= ~x~0 24)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= ~d~0 4)) (and .cse4 .cse1) (and (<= ~a8~0 |old(~a8~0)|) (<= 15 ~a8~0)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) (not (= 0 |old(~a7~0)|)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 1)) (and (<= ~a16~0 5) (= ~a17~0 1) (= ~a21~0 1) (<= 4 ~a16~0) (= ~a20~0 1)) (not (= |old(~a8~0)| 15)) (not (= 6 ~f~0)) (and .cse2 .cse3 .cse4))) [2018-11-12 17:09:11,865 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-12 17:09:11,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 05:09:11 BoogieIcfgContainer [2018-11-12 17:09:11,883 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 17:09:11,884 INFO L168 Benchmark]: Toolchain (without parser) took 118148.87 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 3.0 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-11-12 17:09:11,885 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-12 17:09:11,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 776.01 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. [2018-11-12 17:09:11,886 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.78 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 724.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -786.3 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-11-12 17:09:11,887 INFO L168 Benchmark]: Boogie Preprocessor took 130.02 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. [2018-11-12 17:09:11,887 INFO L168 Benchmark]: RCFGBuilder took 2986.85 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: 107.5 MB). Peak memory consumption was 107.5 MB. Max. memory is 7.1 GB. [2018-11-12 17:09:11,888 INFO L168 Benchmark]: TraceAbstraction took 114094.23 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 3.0 GB in the end (delta: -937.8 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-11-12 17:09:11,893 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 776.01 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 156.78 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 724.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -786.3 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.02 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 2986.85 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: 107.5 MB). Peak memory consumption was 107.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 114094.23 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 3.0 GB in the end (delta: -937.8 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 506]: 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: 583]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((!(a7 == 1) && !(a8 == 13)) || (!(a7 == 1) && a16 == 4)) || !(\old(a21) == 1)) || !(b == 2)) || !(y == 25)) || (((a8 <= 13 && 1 == a7) && a21 <= 0) && 1 <= a20)) || (a7 == \old(a7) && !(a16 == 6))) || (!(a7 == 1) && \old(a20) == a20)) || !(x == 24)) || !(a12 == 8)) || !(e == 5)) || !(d == 4)) || (!(a16 == 6) && !(a8 == 13))) || (a8 <= \old(a8) && 15 <= a8)) || !(21 == u)) || !(22 == v)) || !(z == 26)) || !(\old(a16) == 5)) || !(0 == \old(a7))) || !(3 == c)) || !(\old(a20) == 1)) || !(23 == w)) || !(a == 1)) || !(\old(a17) == 1)) || ((((a16 <= 5 && a17 == 1) && a21 == 1) && 4 <= a16) && a20 == 1)) || !(\old(a8) == 15)) || !(6 == f)) || ((1 == a7 && a21 <= 0) && !(a16 == 6)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 114.0s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 82.1s AutomataDifference, 0.0s DeadEndRemovalTime, 9.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1476 SDtfs, 11784 SDslu, 2642 SDs, 0 SdLazy, 17825 SolverSat, 2733 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.9s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 2398 GetRequests, 2164 SyntacticMatches, 14 SemanticMatches, 220 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1635 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8239occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 8.3s AbstIntTime, 8 AbstIntIterations, 5 AbstIntStrong, 0.9969786163638478 AbsIntWeakeningRatio, 0.21979166666666666 AbsIntAvgWeakeningVarsNumRemoved, 25.978125 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 627 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 378 PreInvPairs, 710 NumberOfFragments, 1227 HoareAnnotationTreeSize, 378 FomulaSimplifications, 22050 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7902 FormulaSimplificationTreeSizeReductionInter, 8.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 2447 NumberOfCodeBlocks, 2447 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3050 ConstructedInterpolants, 0 QuantifiedInterpolants, 1240466 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1774 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 1887/2143 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...