java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label42_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 08:06:03,823 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 08:06:03,826 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 08:06:03,842 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 08:06:03,842 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 08:06:03,844 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 08:06:03,845 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 08:06:03,848 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 08:06:03,851 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 08:06:03,852 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 08:06:03,854 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 08:06:03,855 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 08:06:03,855 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 08:06:03,857 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 08:06:03,864 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 08:06:03,867 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 08:06:03,868 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 08:06:03,870 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 08:06:03,875 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 08:06:03,879 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 08:06:03,880 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 08:06:03,883 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 08:06:03,886 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 08:06:03,887 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 08:06:03,887 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 08:06:03,889 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 08:06:03,891 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 08:06:03,892 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 08:06:03,892 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 08:06:03,895 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 08:06:03,895 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 08:06:03,897 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 08:06:03,898 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 08:06:03,898 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 08:06:03,900 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 08:06:03,900 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 08:06:03,901 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-27 08:06:03,932 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 08:06:03,932 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 08:06:03,933 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 08:06:03,933 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 08:06:03,934 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 08:06:03,934 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 08:06:03,934 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-27 08:06:03,934 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 08:06:03,934 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 08:06:03,935 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 08:06:03,935 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 08:06:03,935 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 08:06:03,935 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 08:06:03,935 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 08:06:03,936 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 08:06:03,936 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 08:06:03,936 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 08:06:03,937 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 08:06:03,937 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 08:06:03,937 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 08:06:03,937 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 08:06:03,937 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 08:06:03,937 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 08:06:03,938 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 08:06:03,938 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 08:06:03,938 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 08:06:03,938 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 08:06:03,938 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 08:06:03,939 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 08:06:03,939 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 08:06:03,939 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 08:06:03,939 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 08:06:03,939 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 08:06:03,939 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 08:06:03,940 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 08:06:03,940 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 08:06:04,007 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 08:06:04,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 08:06:04,028 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 08:06:04,030 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 08:06:04,030 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 08:06:04,032 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label42_true-unreach-call_false-termination.c [2018-10-27 08:06:04,115 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/064a2860f/46a231e2e2ea4fc79f0b74d7b8649fae/FLAG13d1c7574 [2018-10-27 08:06:04,672 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 08:06:04,673 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label42_true-unreach-call_false-termination.c [2018-10-27 08:06:04,687 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/064a2860f/46a231e2e2ea4fc79f0b74d7b8649fae/FLAG13d1c7574 [2018-10-27 08:06:04,714 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/064a2860f/46a231e2e2ea4fc79f0b74d7b8649fae [2018-10-27 08:06:04,727 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 08:06:04,729 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 08:06:04,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 08:06:04,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 08:06:04,738 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 08:06:04,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:06:04" (1/1) ... [2018-10-27 08:06:04,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11290b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:06:04, skipping insertion in model container [2018-10-27 08:06:04,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:06:04" (1/1) ... [2018-10-27 08:06:04,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 08:06:04,848 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 08:06:05,366 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 08:06:05,370 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 08:06:05,556 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 08:06:05,592 INFO L193 MainTranslator]: Completed translation [2018-10-27 08:06:05,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:06:05 WrapperNode [2018-10-27 08:06:05,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 08:06:05,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 08:06:05,595 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 08:06:05,595 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 08:06:05,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:06:05" (1/1) ... [2018-10-27 08:06:05,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:06:05" (1/1) ... [2018-10-27 08:06:05,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 08:06:05,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 08:06:05,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 08:06:05,848 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 08:06:05,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:06:05" (1/1) ... [2018-10-27 08:06:05,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:06:05" (1/1) ... [2018-10-27 08:06:05,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:06:05" (1/1) ... [2018-10-27 08:06:05,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:06:05" (1/1) ... [2018-10-27 08:06:05,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:06:05" (1/1) ... [2018-10-27 08:06:05,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:06:05" (1/1) ... [2018-10-27 08:06:05,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:06:05" (1/1) ... [2018-10-27 08:06:05,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 08:06:05,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 08:06:05,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 08:06:05,980 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 08:06:05,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:06:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-27 08:06:06,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 08:06:06,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 08:06:06,052 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 08:06:06,052 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 08:06:06,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 08:06:06,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 08:06:06,052 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 08:06:06,052 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 08:06:09,930 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 08:06:09,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:06:09 BoogieIcfgContainer [2018-10-27 08:06:09,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 08:06:09,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 08:06:09,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 08:06:09,939 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 08:06:09,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:06:04" (1/3) ... [2018-10-27 08:06:09,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6edb8343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:06:09, skipping insertion in model container [2018-10-27 08:06:09,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:06:05" (2/3) ... [2018-10-27 08:06:09,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6edb8343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:06:09, skipping insertion in model container [2018-10-27 08:06:09,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:06:09" (3/3) ... [2018-10-27 08:06:09,945 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label42_true-unreach-call_false-termination.c [2018-10-27 08:06:09,956 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 08:06:09,973 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 08:06:09,992 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 08:06:10,035 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 08:06:10,035 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 08:06:10,036 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 08:06:10,036 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 08:06:10,036 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 08:06:10,036 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 08:06:10,036 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 08:06:10,037 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 08:06:10,071 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-10-27 08:06:10,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-27 08:06:10,081 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:06:10,083 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] [2018-10-27 08:06:10,085 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:06:10,091 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:06:10,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1589650361, now seen corresponding path program 1 times [2018-10-27 08:06:10,093 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:06:10,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:06:10,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:06:10,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:06:10,141 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:06:10,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:06:10,546 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 08:06:10,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:06:10,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:06:10,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 08:06:10,657 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:06:10,665 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 08:06:10,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 08:06:10,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 08:06:10,688 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 3 states. [2018-10-27 08:06:12,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:06:12,488 INFO L93 Difference]: Finished difference Result 691 states and 1226 transitions. [2018-10-27 08:06:12,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 08:06:12,490 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2018-10-27 08:06:12,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:06:12,509 INFO L225 Difference]: With dead ends: 691 [2018-10-27 08:06:12,509 INFO L226 Difference]: Without dead ends: 434 [2018-10-27 08:06:12,520 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 08:06:12,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-10-27 08:06:12,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2018-10-27 08:06:12,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-10-27 08:06:12,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 765 transitions. [2018-10-27 08:06:12,611 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 765 transitions. Word has length 49 [2018-10-27 08:06:12,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:06:12,611 INFO L481 AbstractCegarLoop]: Abstraction has 434 states and 765 transitions. [2018-10-27 08:06:12,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 08:06:12,612 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 765 transitions. [2018-10-27 08:06:12,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-27 08:06:12,624 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:06:12,625 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-27 08:06:12,625 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:06:12,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:06:12,627 INFO L82 PathProgramCache]: Analyzing trace with hash 192752175, now seen corresponding path program 1 times [2018-10-27 08:06:12,627 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:06:12,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:06:12,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:06:12,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:06:12,629 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:06:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:06:13,067 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 08:06:13,315 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:06:13,316 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:06:13,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 08:06:13,316 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:06:13,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 08:06:13,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 08:06:13,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 08:06:13,319 INFO L87 Difference]: Start difference. First operand 434 states and 765 transitions. Second operand 6 states. [2018-10-27 08:06:15,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:06:15,463 INFO L93 Difference]: Finished difference Result 1062 states and 1897 transitions. [2018-10-27 08:06:15,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 08:06:15,463 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-10-27 08:06:15,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:06:15,469 INFO L225 Difference]: With dead ends: 1062 [2018-10-27 08:06:15,469 INFO L226 Difference]: Without dead ends: 634 [2018-10-27 08:06:15,472 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 08:06:15,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2018-10-27 08:06:15,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 625. [2018-10-27 08:06:15,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2018-10-27 08:06:15,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 1019 transitions. [2018-10-27 08:06:15,512 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 1019 transitions. Word has length 136 [2018-10-27 08:06:15,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:06:15,513 INFO L481 AbstractCegarLoop]: Abstraction has 625 states and 1019 transitions. [2018-10-27 08:06:15,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 08:06:15,513 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1019 transitions. [2018-10-27 08:06:15,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-27 08:06:15,517 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:06:15,517 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-27 08:06:15,517 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:06:15,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:06:15,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1678139032, now seen corresponding path program 1 times [2018-10-27 08:06:15,518 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:06:15,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:06:15,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:06:15,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:06:15,520 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:06:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:06:15,780 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:06:15,781 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:06:15,781 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 08:06:15,781 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:06:15,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 08:06:15,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 08:06:15,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 08:06:15,783 INFO L87 Difference]: Start difference. First operand 625 states and 1019 transitions. Second operand 4 states. [2018-10-27 08:06:19,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:06:19,861 INFO L93 Difference]: Finished difference Result 2352 states and 4016 transitions. [2018-10-27 08:06:19,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 08:06:19,862 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 145 [2018-10-27 08:06:19,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:06:19,885 INFO L225 Difference]: With dead ends: 2352 [2018-10-27 08:06:19,885 INFO L226 Difference]: Without dead ends: 1733 [2018-10-27 08:06:19,892 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 08:06:19,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1733 states. [2018-10-27 08:06:19,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1733 to 1733. [2018-10-27 08:06:19,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1733 states. [2018-10-27 08:06:19,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1733 states and 2647 transitions. [2018-10-27 08:06:19,978 INFO L78 Accepts]: Start accepts. Automaton has 1733 states and 2647 transitions. Word has length 145 [2018-10-27 08:06:19,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:06:19,979 INFO L481 AbstractCegarLoop]: Abstraction has 1733 states and 2647 transitions. [2018-10-27 08:06:19,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 08:06:19,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2647 transitions. [2018-10-27 08:06:19,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-10-27 08:06:19,994 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:06:19,995 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-27 08:06:19,995 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:06:19,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:06:19,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1304221998, now seen corresponding path program 1 times [2018-10-27 08:06:19,997 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:06:19,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:06:19,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:06:19,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:06:19,998 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:06:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:06:20,479 WARN L179 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 10 [2018-10-27 08:06:20,690 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 84 proven. 107 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 08:06:20,690 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:06:20,690 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:06:20,691 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 275 with the following transitions: [2018-10-27 08:06:20,693 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [662], [663], [666], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-10-27 08:06:20,741 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:06:20,741 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:06:25,422 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 08:06:25,423 INFO L272 AbstractInterpreter]: Visited 118 different actions 118 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-27 08:06:25,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:06:25,437 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 08:06:28,306 INFO L227 lantSequenceWeakener]: Weakened 265 states. On average, predicates are now at 77.83% of their original sizes. [2018-10-27 08:06:28,307 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 08:06:28,424 INFO L415 sIntCurrentIteration]: We unified 273 AI predicates to 273 [2018-10-27 08:06:28,425 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 08:06:28,425 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 08:06:28,426 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2018-10-27 08:06:28,426 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:06:28,427 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 08:06:28,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 08:06:28,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 08:06:28,427 INFO L87 Difference]: Start difference. First operand 1733 states and 2647 transitions. Second operand 6 states. [2018-10-27 08:06:51,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:06:51,949 INFO L93 Difference]: Finished difference Result 3645 states and 5568 transitions. [2018-10-27 08:06:51,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 08:06:51,949 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 274 [2018-10-27 08:06:51,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:06:51,960 INFO L225 Difference]: With dead ends: 3645 [2018-10-27 08:06:51,961 INFO L226 Difference]: Without dead ends: 1918 [2018-10-27 08:06:51,969 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 274 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-27 08:06:51,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1918 states. [2018-10-27 08:06:52,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1918 to 1916. [2018-10-27 08:06:52,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1916 states. [2018-10-27 08:06:52,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1916 states to 1916 states and 2838 transitions. [2018-10-27 08:06:52,021 INFO L78 Accepts]: Start accepts. Automaton has 1916 states and 2838 transitions. Word has length 274 [2018-10-27 08:06:52,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:06:52,022 INFO L481 AbstractCegarLoop]: Abstraction has 1916 states and 2838 transitions. [2018-10-27 08:06:52,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 08:06:52,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1916 states and 2838 transitions. [2018-10-27 08:06:52,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-10-27 08:06:52,034 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:06:52,034 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-27 08:06:52,035 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:06:52,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:06:52,035 INFO L82 PathProgramCache]: Analyzing trace with hash -111433536, now seen corresponding path program 1 times [2018-10-27 08:06:52,035 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:06:52,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:06:52,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:06:52,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:06:52,037 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:06:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:06:52,566 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-27 08:06:52,771 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-27 08:06:53,003 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-27 08:06:53,324 WARN L179 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-10-27 08:06:53,805 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 214 proven. 189 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 08:06:53,805 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:06:53,805 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:06:53,805 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 360 with the following transitions: [2018-10-27 08:06:53,806 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [662], [663], [666], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-10-27 08:06:53,812 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:06:53,813 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:06:57,226 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 08:06:57,226 INFO L272 AbstractInterpreter]: Visited 123 different actions 238 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-27 08:06:57,237 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:06:57,238 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 08:06:57,238 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:06:57,238 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-27 08:06:57,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:06:57,248 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 08:06:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:06:57,389 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 08:06:57,838 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-27 08:06:58,249 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-27 08:06:58,789 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 312 proven. 53 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-10-27 08:06:58,790 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 08:06:58,979 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-27 08:06:59,091 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-27 08:06:59,196 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-10-27 08:06:59,677 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-10-27 08:07:00,492 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 136 proven. 267 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 08:07:00,514 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 08:07:00,514 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 20 [2018-10-27 08:07:00,514 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 08:07:00,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-27 08:07:00,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-27 08:07:00,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2018-10-27 08:07:00,516 INFO L87 Difference]: Start difference. First operand 1916 states and 2838 transitions. Second operand 15 states. [2018-10-27 08:07:04,323 WARN L179 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2018-10-27 08:07:07,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:07:07,043 INFO L93 Difference]: Finished difference Result 5130 states and 7698 transitions. [2018-10-27 08:07:07,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-10-27 08:07:07,045 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 359 [2018-10-27 08:07:07,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:07:07,066 INFO L225 Difference]: With dead ends: 5130 [2018-10-27 08:07:07,066 INFO L226 Difference]: Without dead ends: 3204 [2018-10-27 08:07:07,084 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 762 GetRequests, 726 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=327, Invalid=933, Unknown=0, NotChecked=0, Total=1260 [2018-10-27 08:07:07,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3204 states. [2018-10-27 08:07:07,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3204 to 2961. [2018-10-27 08:07:07,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2961 states. [2018-10-27 08:07:07,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2961 states to 2961 states and 3844 transitions. [2018-10-27 08:07:07,184 INFO L78 Accepts]: Start accepts. Automaton has 2961 states and 3844 transitions. Word has length 359 [2018-10-27 08:07:07,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:07:07,185 INFO L481 AbstractCegarLoop]: Abstraction has 2961 states and 3844 transitions. [2018-10-27 08:07:07,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-27 08:07:07,185 INFO L276 IsEmpty]: Start isEmpty. Operand 2961 states and 3844 transitions. [2018-10-27 08:07:07,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2018-10-27 08:07:07,201 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:07:07,201 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:07:07,201 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:07:07,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:07:07,202 INFO L82 PathProgramCache]: Analyzing trace with hash -2119199892, now seen corresponding path program 1 times [2018-10-27 08:07:07,202 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:07:07,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:07:07,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:07:07,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:07:07,203 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:07:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:07:07,767 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-27 08:07:07,957 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-27 08:07:08,172 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-27 08:07:08,443 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-27 08:07:09,277 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 139 proven. 316 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 08:07:09,278 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:07:09,278 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:07:09,278 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 386 with the following transitions: [2018-10-27 08:07:09,278 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [662], [663], [666], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-10-27 08:07:09,284 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:07:09,284 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:07:13,385 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 08:07:13,386 INFO L272 AbstractInterpreter]: Visited 122 different actions 238 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-27 08:07:13,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:07:13,394 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 08:07:15,603 INFO L227 lantSequenceWeakener]: Weakened 382 states. On average, predicates are now at 77.73% of their original sizes. [2018-10-27 08:07:15,603 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 08:07:16,047 INFO L415 sIntCurrentIteration]: We unified 384 AI predicates to 384 [2018-10-27 08:07:16,047 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 08:07:16,047 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 08:07:16,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 23 [2018-10-27 08:07:16,047 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:07:16,048 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 08:07:16,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 08:07:16,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-27 08:07:16,049 INFO L87 Difference]: Start difference. First operand 2961 states and 3844 transitions. Second operand 10 states. [2018-10-27 08:07:34,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:07:34,147 INFO L93 Difference]: Finished difference Result 5921 states and 7712 transitions. [2018-10-27 08:07:34,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-27 08:07:34,147 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 385 [2018-10-27 08:07:34,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:07:34,162 INFO L225 Difference]: With dead ends: 5921 [2018-10-27 08:07:34,162 INFO L226 Difference]: Without dead ends: 3149 [2018-10-27 08:07:34,174 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 392 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-10-27 08:07:34,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3149 states. [2018-10-27 08:07:34,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3149 to 3144. [2018-10-27 08:07:34,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3144 states. [2018-10-27 08:07:34,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3144 states to 3144 states and 4029 transitions. [2018-10-27 08:07:34,254 INFO L78 Accepts]: Start accepts. Automaton has 3144 states and 4029 transitions. Word has length 385 [2018-10-27 08:07:34,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:07:34,255 INFO L481 AbstractCegarLoop]: Abstraction has 3144 states and 4029 transitions. [2018-10-27 08:07:34,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 08:07:34,255 INFO L276 IsEmpty]: Start isEmpty. Operand 3144 states and 4029 transitions. [2018-10-27 08:07:34,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2018-10-27 08:07:34,276 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:07:34,276 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:07:34,277 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:07:34,277 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:07:34,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1255475487, now seen corresponding path program 1 times [2018-10-27 08:07:34,277 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:07:34,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:07:34,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:07:34,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:07:34,279 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:07:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:07:34,845 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 400 proven. 111 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2018-10-27 08:07:34,845 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:07:34,845 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:07:34,846 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 496 with the following transitions: [2018-10-27 08:07:34,846 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [662], [663], [666], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-10-27 08:07:34,850 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:07:34,850 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:07:43,009 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 08:07:43,010 INFO L272 AbstractInterpreter]: Visited 123 different actions 368 times. Merged at 7 different actions 21 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-10-27 08:07:43,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:07:43,017 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 08:07:44,340 INFO L227 lantSequenceWeakener]: Weakened 492 states. On average, predicates are now at 80.35% of their original sizes. [2018-10-27 08:07:44,341 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 08:07:44,498 INFO L415 sIntCurrentIteration]: We unified 494 AI predicates to 494 [2018-10-27 08:07:44,499 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 08:07:44,499 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 08:07:44,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2018-10-27 08:07:44,499 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:07:44,500 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 08:07:44,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 08:07:44,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-27 08:07:44,500 INFO L87 Difference]: Start difference. First operand 3144 states and 4029 transitions. Second operand 9 states. [2018-10-27 08:07:59,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:07:59,929 INFO L93 Difference]: Finished difference Result 7158 states and 9358 transitions. [2018-10-27 08:07:59,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-27 08:07:59,929 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 495 [2018-10-27 08:07:59,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:07:59,946 INFO L225 Difference]: With dead ends: 7158 [2018-10-27 08:07:59,947 INFO L226 Difference]: Without dead ends: 4388 [2018-10-27 08:07:59,961 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 501 GetRequests, 487 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-10-27 08:07:59,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4388 states. [2018-10-27 08:08:00,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4388 to 4365. [2018-10-27 08:08:00,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4365 states. [2018-10-27 08:08:00,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4365 states to 4365 states and 5403 transitions. [2018-10-27 08:08:00,065 INFO L78 Accepts]: Start accepts. Automaton has 4365 states and 5403 transitions. Word has length 495 [2018-10-27 08:08:00,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:08:00,066 INFO L481 AbstractCegarLoop]: Abstraction has 4365 states and 5403 transitions. [2018-10-27 08:08:00,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 08:08:00,067 INFO L276 IsEmpty]: Start isEmpty. Operand 4365 states and 5403 transitions. [2018-10-27 08:08:00,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 563 [2018-10-27 08:08:00,084 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:08:00,084 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:08:00,085 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:08:00,085 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:08:00,085 INFO L82 PathProgramCache]: Analyzing trace with hash -124366288, now seen corresponding path program 1 times [2018-10-27 08:08:00,085 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:08:00,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:08:00,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:08:00,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:08:00,087 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:08:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:08:01,712 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 402 proven. 321 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-10-27 08:08:01,713 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:08:01,713 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:08:01,713 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 563 with the following transitions: [2018-10-27 08:08:01,714 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [662], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [934], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-10-27 08:08:01,718 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:08:01,718 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:08:07,035 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 08:08:07,035 INFO L272 AbstractInterpreter]: Visited 191 different actions 763 times. Merged at 9 different actions 35 times. Widened at 1 different actions 1 times. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-10-27 08:08:07,042 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:08:07,042 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 08:08:07,042 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:08:07,042 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-27 08:08:07,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:08:07,052 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 08:08:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:08:07,205 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 08:08:07,555 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 680 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-10-27 08:08:07,555 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 08:08:08,262 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 400 proven. 111 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2018-10-27 08:08:08,283 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 08:08:08,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6, 6] total 20 [2018-10-27 08:08:08,283 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 08:08:08,285 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-10-27 08:08:08,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-10-27 08:08:08,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-10-27 08:08:08,286 INFO L87 Difference]: Start difference. First operand 4365 states and 5403 transitions. Second operand 17 states. [2018-10-27 08:08:11,502 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2018-10-27 08:08:12,382 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2018-10-27 08:08:14,036 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2018-10-27 08:08:17,001 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2018-10-27 08:08:17,546 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 45 [2018-10-27 08:08:17,802 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2018-10-27 08:08:19,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:08:19,629 INFO L93 Difference]: Finished difference Result 11687 states and 15432 transitions. [2018-10-27 08:08:19,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-10-27 08:08:19,630 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 562 [2018-10-27 08:08:19,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:08:19,671 INFO L225 Difference]: With dead ends: 11687 [2018-10-27 08:08:19,672 INFO L226 Difference]: Without dead ends: 7696 [2018-10-27 08:08:19,701 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1222 GetRequests, 1157 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1204 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=916, Invalid=3506, Unknown=0, NotChecked=0, Total=4422 [2018-10-27 08:08:19,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7696 states. [2018-10-27 08:08:19,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7696 to 7398. [2018-10-27 08:08:19,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7398 states. [2018-10-27 08:08:19,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7398 states to 7398 states and 8952 transitions. [2018-10-27 08:08:19,899 INFO L78 Accepts]: Start accepts. Automaton has 7398 states and 8952 transitions. Word has length 562 [2018-10-27 08:08:19,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:08:19,900 INFO L481 AbstractCegarLoop]: Abstraction has 7398 states and 8952 transitions. [2018-10-27 08:08:19,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-10-27 08:08:19,900 INFO L276 IsEmpty]: Start isEmpty. Operand 7398 states and 8952 transitions. [2018-10-27 08:08:19,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2018-10-27 08:08:19,921 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:08:19,921 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:08:19,922 INFO L424 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:08:19,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:08:19,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1869135889, now seen corresponding path program 1 times [2018-10-27 08:08:19,922 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:08:19,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:08:19,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:08:19,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:08:19,924 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:08:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:08:21,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1214 backedges. 541 proven. 481 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-10-27 08:08:21,351 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:08:21,351 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:08:21,351 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 581 with the following transitions: [2018-10-27 08:08:21,352 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [662], [663], [666], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-10-27 08:08:21,354 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:08:21,355 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:08:34,728 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 08:08:34,728 INFO L272 AbstractInterpreter]: Visited 125 different actions 502 times. Merged at 9 different actions 36 times. Never widened. Found 10 fixpoints after 4 different actions. Largest state had 24 variables. [2018-10-27 08:08:34,735 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:08:34,735 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 08:08:34,735 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:08:34,735 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-27 08:08:34,746 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:08:34,746 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 08:08:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:08:34,894 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 08:08:35,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1214 backedges. 895 proven. 2 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2018-10-27 08:08:35,437 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 08:08:36,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1214 backedges. 535 proven. 111 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2018-10-27 08:08:36,078 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 08:08:36,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 14 [2018-10-27 08:08:36,078 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 08:08:36,079 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-27 08:08:36,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-27 08:08:36,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2018-10-27 08:08:36,080 INFO L87 Difference]: Start difference. First operand 7398 states and 8952 transitions. Second operand 13 states. [2018-10-27 08:08:39,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:08:39,555 INFO L93 Difference]: Finished difference Result 14977 states and 18739 transitions. [2018-10-27 08:08:39,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-27 08:08:39,556 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 580 [2018-10-27 08:08:39,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:08:39,616 INFO L225 Difference]: With dead ends: 14977 [2018-10-27 08:08:39,616 INFO L226 Difference]: Without dead ends: 7754 [2018-10-27 08:08:39,644 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1189 GetRequests, 1165 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=144, Invalid=362, Unknown=0, NotChecked=0, Total=506 [2018-10-27 08:08:39,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7754 states. [2018-10-27 08:08:39,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7754 to 7582. [2018-10-27 08:08:39,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7582 states. [2018-10-27 08:08:39,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7582 states to 7582 states and 8911 transitions. [2018-10-27 08:08:39,832 INFO L78 Accepts]: Start accepts. Automaton has 7582 states and 8911 transitions. Word has length 580 [2018-10-27 08:08:39,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:08:39,833 INFO L481 AbstractCegarLoop]: Abstraction has 7582 states and 8911 transitions. [2018-10-27 08:08:39,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-27 08:08:39,833 INFO L276 IsEmpty]: Start isEmpty. Operand 7582 states and 8911 transitions. [2018-10-27 08:08:39,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 674 [2018-10-27 08:08:39,859 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:08:39,860 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2018-10-27 08:08:39,860 INFO L424 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:08:39,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:08:39,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1399137260, now seen corresponding path program 2 times [2018-10-27 08:08:39,861 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:08:39,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:08:39,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:08:39,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:08:39,862 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:08:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:08:40,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 561 proven. 111 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked. [2018-10-27 08:08:40,822 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:08:40,822 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:08:40,822 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 08:08:40,822 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 08:08:40,823 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:08:40,823 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 08:08:40,831 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-27 08:08:40,832 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-10-27 08:08:40,903 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-10-27 08:08:40,903 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-27 08:08:40,912 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 08:08:41,214 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 17 [2018-10-27 08:08:41,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 1095 trivial. 0 not checked. [2018-10-27 08:08:41,978 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 08:08:42,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 1095 trivial. 0 not checked. [2018-10-27 08:08:42,891 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-27 08:08:42,892 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-10-27 08:08:42,892 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:08:42,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 08:08:42,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 08:08:42,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-10-27 08:08:42,893 INFO L87 Difference]: Start difference. First operand 7582 states and 8911 transitions. Second operand 3 states. [2018-10-27 08:08:44,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:08:44,528 INFO L93 Difference]: Finished difference Result 17651 states and 21132 transitions. [2018-10-27 08:08:44,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 08:08:44,529 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 673 [2018-10-27 08:08:44,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:08:44,563 INFO L225 Difference]: With dead ends: 17651 [2018-10-27 08:08:44,563 INFO L226 Difference]: Without dead ends: 10443 [2018-10-27 08:08:44,582 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1351 GetRequests, 1345 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-10-27 08:08:44,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10443 states. [2018-10-27 08:08:44,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10443 to 10433. [2018-10-27 08:08:44,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10433 states. [2018-10-27 08:08:44,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10433 states to 10433 states and 12128 transitions. [2018-10-27 08:08:44,759 INFO L78 Accepts]: Start accepts. Automaton has 10433 states and 12128 transitions. Word has length 673 [2018-10-27 08:08:44,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:08:44,760 INFO L481 AbstractCegarLoop]: Abstraction has 10433 states and 12128 transitions. [2018-10-27 08:08:44,760 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 08:08:44,761 INFO L276 IsEmpty]: Start isEmpty. Operand 10433 states and 12128 transitions. [2018-10-27 08:08:44,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 738 [2018-10-27 08:08:44,792 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:08:44,793 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:08:44,793 INFO L424 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:08:44,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:08:44,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1362495636, now seen corresponding path program 1 times [2018-10-27 08:08:44,794 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:08:44,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:08:44,795 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 08:08:44,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:08:44,795 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:08:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:08:45,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1381 backedges. 561 proven. 175 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked. [2018-10-27 08:08:45,621 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:08:45,621 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:08:45,621 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 738 with the following transitions: [2018-10-27 08:08:45,621 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [918], [919], [923], [927], [931], [934], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-10-27 08:08:45,624 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:08:45,625 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:08:51,578 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 08:08:51,578 INFO L272 AbstractInterpreter]: Visited 191 different actions 763 times. Merged at 9 different actions 35 times. Widened at 1 different actions 1 times. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-10-27 08:08:51,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:08:51,584 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 08:08:51,584 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:08:51,584 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 08:08:51,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:08:51,592 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 08:08:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:08:51,770 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 08:08:52,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1381 backedges. 1011 proven. 2 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2018-10-27 08:08:52,128 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 08:08:52,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1381 backedges. 561 proven. 175 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked. [2018-10-27 08:08:52,657 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 08:08:52,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2018-10-27 08:08:52,658 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 08:08:52,659 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 08:08:52,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 08:08:52,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-10-27 08:08:52,660 INFO L87 Difference]: Start difference. First operand 10433 states and 12128 transitions. Second operand 7 states. [2018-10-27 08:08:56,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:08:56,502 INFO L93 Difference]: Finished difference Result 27009 states and 36272 transitions. [2018-10-27 08:08:56,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-27 08:08:56,503 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 737 [2018-10-27 08:08:56,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:08:56,622 INFO L225 Difference]: With dead ends: 27009 [2018-10-27 08:08:56,623 INFO L226 Difference]: Without dead ends: 16950 [2018-10-27 08:08:56,697 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1491 GetRequests, 1477 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2018-10-27 08:08:56,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16950 states. [2018-10-27 08:08:57,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16950 to 16560. [2018-10-27 08:08:57,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16560 states. [2018-10-27 08:08:57,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16560 states to 16560 states and 19685 transitions. [2018-10-27 08:08:57,164 INFO L78 Accepts]: Start accepts. Automaton has 16560 states and 19685 transitions. Word has length 737 [2018-10-27 08:08:57,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:08:57,165 INFO L481 AbstractCegarLoop]: Abstraction has 16560 states and 19685 transitions. [2018-10-27 08:08:57,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 08:08:57,166 INFO L276 IsEmpty]: Start isEmpty. Operand 16560 states and 19685 transitions. [2018-10-27 08:08:57,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 745 [2018-10-27 08:08:57,217 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:08:57,218 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2018-10-27 08:08:57,218 INFO L424 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:08:57,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:08:57,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1752141510, now seen corresponding path program 1 times [2018-10-27 08:08:57,219 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:08:57,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:08:57,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:08:57,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:08:57,220 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:08:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:08:57,759 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-27 08:08:57,967 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-27 08:08:59,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 695 proven. 672 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-10-27 08:08:59,364 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:08:59,364 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:08:59,365 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 745 with the following transitions: [2018-10-27 08:08:59,365 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [666], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [918], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-10-27 08:08:59,368 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:08:59,368 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:09:09,281 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 08:09:09,281 INFO L272 AbstractInterpreter]: Visited 188 different actions 746 times. Merged at 8 different actions 30 times. Never widened. Found 8 fixpoints after 5 different actions. Largest state had 24 variables. [2018-10-27 08:09:09,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:09:09,290 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 08:09:09,290 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:09:09,290 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 08:09:09,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:09:09,299 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 08:09:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:09:09,485 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 08:09:09,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 1463 trivial. 0 not checked. [2018-10-27 08:09:09,793 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 08:09:10,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 1463 trivial. 0 not checked. [2018-10-27 08:09:10,147 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-27 08:09:10,147 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [16] total 18 [2018-10-27 08:09:10,147 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:09:10,148 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 08:09:10,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 08:09:10,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2018-10-27 08:09:10,149 INFO L87 Difference]: Start difference. First operand 16560 states and 19685 transitions. Second operand 3 states. [2018-10-27 08:09:11,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:09:11,090 INFO L93 Difference]: Finished difference Result 35722 states and 43991 transitions. [2018-10-27 08:09:11,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 08:09:11,090 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 744 [2018-10-27 08:09:11,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:09:11,091 INFO L225 Difference]: With dead ends: 35722 [2018-10-27 08:09:11,092 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 08:09:11,203 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1507 GetRequests, 1490 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2018-10-27 08:09:11,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 08:09:11,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 08:09:11,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 08:09:11,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 08:09:11,205 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 744 [2018-10-27 08:09:11,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:09:11,205 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 08:09:11,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 08:09:11,205 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 08:09:11,206 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 08:09:11,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 08:09:11,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:11,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:11,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:11,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:11,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:11,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:11,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:11,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:11,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:11,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:11,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:11,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:11,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:11,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:11,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:11,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:11,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:11,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:11,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:11,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:11,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:11,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:11,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:11,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:11,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:11,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:11,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:12,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:12,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:12,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:12,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:12,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:12,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:12,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:12,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:12,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:12,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:12,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:12,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:12,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:12,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:12,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:12,677 WARN L179 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 424 DAG size of output: 247 [2018-10-27 08:09:12,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:12,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:12,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:12,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:12,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:12,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:12,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:12,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:12,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:12,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:13,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:13,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:13,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:13,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:13,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:13,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:13,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:13,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:13,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:09:13,900 WARN L179 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 448 DAG size of output: 323 [2018-10-27 08:09:14,247 WARN L179 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 15 [2018-10-27 08:09:15,014 WARN L179 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 29 [2018-10-27 08:09:15,752 WARN L179 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 37 [2018-10-27 08:09:18,593 WARN L179 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 244 DAG size of output: 41 [2018-10-27 08:09:20,522 WARN L179 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 319 DAG size of output: 41 [2018-10-27 08:09:20,525 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 08:09:20,525 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-10-27 08:09:20,525 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 08:09:20,525 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-10-27 08:09:20,526 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-10-27 08:09:20,526 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,526 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,526 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,526 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-10-27 08:09:20,526 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-10-27 08:09:20,526 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-10-27 08:09:20,526 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-10-27 08:09:20,526 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-10-27 08:09:20,526 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-10-27 08:09:20,526 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-10-27 08:09:20,526 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-10-27 08:09:20,527 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,527 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,527 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,527 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-10-27 08:09:20,527 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-10-27 08:09:20,527 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-10-27 08:09:20,527 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-10-27 08:09:20,527 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-27 08:09:20,527 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-10-27 08:09:20,527 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-10-27 08:09:20,527 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-10-27 08:09:20,527 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,527 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,528 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,528 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-10-27 08:09:20,528 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-10-27 08:09:20,528 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-10-27 08:09:20,528 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-10-27 08:09:20,528 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-10-27 08:09:20,528 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed. [2018-10-27 08:09:20,528 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-10-27 08:09:20,528 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-10-27 08:09:20,529 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-10-27 08:09:20,529 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-10-27 08:09:20,529 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,529 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,529 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,529 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-10-27 08:09:20,529 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-10-27 08:09:20,529 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-10-27 08:09:20,529 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-10-27 08:09:20,529 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-10-27 08:09:20,530 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-10-27 08:09:20,530 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-10-27 08:09:20,530 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,530 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,530 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,530 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-10-27 08:09:20,530 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-10-27 08:09:20,530 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-10-27 08:09:20,530 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-10-27 08:09:20,531 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-10-27 08:09:20,531 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-10-27 08:09:20,531 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-10-27 08:09:20,531 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-10-27 08:09:20,531 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-10-27 08:09:20,531 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,531 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,531 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,531 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,531 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-10-27 08:09:20,532 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-10-27 08:09:20,532 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-10-27 08:09:20,532 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-27 08:09:20,532 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-10-27 08:09:20,532 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-10-27 08:09:20,532 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-10-27 08:09:20,532 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-10-27 08:09:20,532 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,532 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,532 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,533 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-10-27 08:09:20,533 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-10-27 08:09:20,533 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-10-27 08:09:20,533 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-10-27 08:09:20,533 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-10-27 08:09:20,533 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-10-27 08:09:20,533 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-10-27 08:09:20,533 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-10-27 08:09:20,533 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,534 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,534 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,534 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-10-27 08:09:20,534 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-10-27 08:09:20,534 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-10-27 08:09:20,534 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-10-27 08:09:20,534 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-27 08:09:20,534 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-10-27 08:09:20,534 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0))) (.cse1 (= 7 |old(~a15~0)|)) (.cse3 (not (= 1 |old(~a24~0)|))) (.cse2 (= 9 |old(~a15~0)|))) (and (or (not (= 6 |old(~a21~0)|)) .cse0 (< 0 (+ |old(~a12~0)| 49)) .cse1 .cse2) (or .cse0 (= 9 |old(~a21~0)|) .cse3) (or .cse3 (<= |old(~a12~0)| 11) .cse0) (or .cse0 .cse1 .cse3 .cse2))) [2018-10-27 08:09:20,535 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-10-27 08:09:20,535 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-10-27 08:09:20,535 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,535 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,535 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,535 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-10-27 08:09:20,535 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-10-27 08:09:20,535 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-27 08:09:20,535 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-10-27 08:09:20,535 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-10-27 08:09:20,536 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-10-27 08:09:20,536 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-10-27 08:09:20,536 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-10-27 08:09:20,536 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,536 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,536 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,536 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-10-27 08:09:20,536 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-10-27 08:09:20,536 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-10-27 08:09:20,536 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-27 08:09:20,536 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-10-27 08:09:20,537 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-10-27 08:09:20,537 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-10-27 08:09:20,537 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-10-27 08:09:20,537 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,537 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,537 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,537 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-10-27 08:09:20,537 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-10-27 08:09:20,537 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-10-27 08:09:20,537 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-10-27 08:09:20,538 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-10-27 08:09:20,538 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-10-27 08:09:20,538 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-10-27 08:09:20,538 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-10-27 08:09:20,538 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,538 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,538 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,538 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-10-27 08:09:20,538 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-10-27 08:09:20,538 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-27 08:09:20,539 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-10-27 08:09:20,539 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-10-27 08:09:20,539 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-10-27 08:09:20,539 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-10-27 08:09:20,539 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-10-27 08:09:20,539 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,539 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,539 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-10-27 08:09:20,539 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-27 08:09:20,539 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-10-27 08:09:20,539 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-10-27 08:09:20,540 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-10-27 08:09:20,540 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-10-27 08:09:20,540 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-10-27 08:09:20,540 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-10-27 08:09:20,540 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,540 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,540 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-10-27 08:09:20,540 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-10-27 08:09:20,540 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-10-27 08:09:20,540 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-10-27 08:09:20,540 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-10-27 08:09:20,541 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-10-27 08:09:20,541 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,541 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,541 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-10-27 08:09:20,541 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-10-27 08:09:20,541 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-10-27 08:09:20,541 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-10-27 08:09:20,541 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-10-27 08:09:20,541 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-10-27 08:09:20,542 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-10-27 08:09:20,542 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-10-27 08:09:20,542 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,542 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,542 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-10-27 08:09:20,542 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-10-27 08:09:20,542 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-27 08:09:20,542 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-10-27 08:09:20,542 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-10-27 08:09:20,543 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-10-27 08:09:20,543 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-10-27 08:09:20,543 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,543 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,543 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,543 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-10-27 08:09:20,543 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-10-27 08:09:20,543 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-10-27 08:09:20,543 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-27 08:09:20,543 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-10-27 08:09:20,543 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-10-27 08:09:20,544 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,544 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,544 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-10-27 08:09:20,544 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,544 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-10-27 08:09:20,544 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-10-27 08:09:20,544 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-10-27 08:09:20,544 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-10-27 08:09:20,544 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-10-27 08:09:20,544 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-27 08:09:20,545 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-10-27 08:09:20,545 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-10-27 08:09:20,545 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-10-27 08:09:20,545 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-10-27 08:09:20,545 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,545 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,545 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,545 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-10-27 08:09:20,545 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-10-27 08:09:20,545 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-10-27 08:09:20,545 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-27 08:09:20,546 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-10-27 08:09:20,546 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-10-27 08:09:20,546 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-10-27 08:09:20,546 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-10-27 08:09:20,546 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,546 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,546 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,546 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-10-27 08:09:20,546 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-10-27 08:09:20,546 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-10-27 08:09:20,546 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-10-27 08:09:20,547 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-27 08:09:20,547 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-10-27 08:09:20,547 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-10-27 08:09:20,547 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-10-27 08:09:20,547 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,547 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,547 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,547 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-10-27 08:09:20,547 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-10-27 08:09:20,547 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-10-27 08:09:20,547 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-10-27 08:09:20,548 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-10-27 08:09:20,548 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-10-27 08:09:20,548 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-10-27 08:09:20,548 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-10-27 08:09:20,548 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-10-27 08:09:20,548 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,548 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,548 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:09:20,548 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-10-27 08:09:20,549 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-10-27 08:09:20,549 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-10-27 08:09:20,549 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-27 08:09:20,549 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-10-27 08:09:20,549 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 08:09:20,549 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 8 ~a15~0) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) [2018-10-27 08:09:20,549 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 08:09:20,549 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 08:09:20,549 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (and (= 8 ~a15~0) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-10-27 08:09:20,549 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-10-27 08:09:20,550 INFO L421 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse1 (not (= ~a15~0 9))) (.cse2 (not (= ~a15~0 7))) (.cse0 (= 1 ~a24~0))) (or (and (not (= 9 ~a21~0)) .cse0) (and .cse1 (= 6 ~a21~0) .cse2 (<= (+ ~a12~0 49) 0)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and .cse1 .cse0 .cse2) (and (< 11 ~a12~0) .cse0))) [2018-10-27 08:09:20,550 INFO L425 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-10-27 08:09:20,550 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-10-27 08:09:20,550 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-10-27 08:09:20,550 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (let ((.cse1 (not (= ~a15~0 9))) (.cse2 (not (= ~a15~0 7))) (.cse0 (= 1 ~a24~0))) (or (and (not (= 9 ~a21~0)) .cse0) (and .cse1 (= 6 ~a21~0) .cse2 (<= (+ ~a12~0 49) 0)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and .cse1 .cse0 .cse2) (and (< 11 ~a12~0) .cse0))) [2018-10-27 08:09:20,550 INFO L425 ceAbstractionStarter]: For program point L880-4(lines 874 890) no Hoare annotation was computed. [2018-10-27 08:09:20,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 08:09:20 BoogieIcfgContainer [2018-10-27 08:09:20,563 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 08:09:20,564 INFO L168 Benchmark]: Toolchain (without parser) took 195835.80 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -917.6 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2018-10-27 08:09:20,565 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 08:09:20,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 861.31 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-10-27 08:09:20,566 INFO L168 Benchmark]: Boogie Procedure Inliner took 253.57 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 663.7 MB). Free memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: -759.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2018-10-27 08:09:20,567 INFO L168 Benchmark]: Boogie Preprocessor took 130.87 ms. Allocated memory is still 2.1 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2018-10-27 08:09:20,567 INFO L168 Benchmark]: RCFGBuilder took 3951.59 ms. Allocated memory is still 2.1 GB. Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 122.6 MB). Peak memory consumption was 122.6 MB. Max. memory is 7.1 GB. [2018-10-27 08:09:20,568 INFO L168 Benchmark]: TraceAbstraction took 190631.17 ms. Allocated memory was 2.1 GB in the beginning and 4.0 GB in the end (delta: 1.9 GB). Free memory was 1.9 GB in the beginning and 2.3 GB in the end (delta: -347.8 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-10-27 08:09:20,573 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 861.31 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 253.57 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 663.7 MB). Free memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: -759.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.87 ms. Allocated memory is still 2.1 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3951.59 ms. Allocated memory is still 2.1 GB. Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 122.6 MB). Peak memory consumption was 122.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 190631.17 ms. Allocated memory was 2.1 GB in the beginning and 4.0 GB in the end (delta: 1.9 GB). Free memory was 1.9 GB in the beginning and 2.3 GB in the end (delta: -347.8 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 130]: 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: 880]: Loop Invariant Derived loop invariant: (((((((!(9 == a21) && 1 == a24) || (((!(a15 == 9) && 6 == a21) && !(a15 == 7)) && a12 + 49 <= 0)) || !(7 == \old(a21))) || !(1 == \old(a24))) || !(8 == \old(a15))) || !(0 == \old(a12) + 49)) || ((!(a15 == 9) && 1 == a24) && !(a15 == 7))) || (11 < a12 && 1 == a24) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. SAFE Result, 190.5s OverallTime, 12 OverallIterations, 7 TraceHistogramMax, 93.5s AutomataDifference, 0.0s DeadEndRemovalTime, 9.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2121 SDtfs, 16127 SDslu, 2034 SDs, 0 SdLazy, 18657 SolverSat, 3686 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 66.0s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 8709 GetRequests, 8499 SyntacticMatches, 10 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1819 ImplicationChecksByTransitivity, 13.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16560occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 55.0s AbstIntTime, 8 AbstIntIterations, 3 AbstIntStrong, 0.997461931253859 AbsIntWeakeningRatio, 0.08340573414422242 AbsIntAvgWeakeningVarsNumRemoved, 16.07732406602954 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 1152 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 297 PreInvPairs, 463 NumberOfFragments, 287 HoareAnnotationTreeSize, 297 FomulaSimplifications, 74902 FormulaSimplificationTreeSizeReduction, 2.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 33105 FormulaSimplificationTreeSizeReductionInter, 6.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 17.8s InterpolantComputationTime, 8794 NumberOfCodeBlocks, 8282 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 12425 ConstructedInterpolants, 45 QuantifiedInterpolants, 31377692 SizeOfPredicates, 26 NumberOfNonLiveVariables, 4695 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 24 InterpolantComputations, 7 PerfectInterpolantSequences, 19012/22218 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...