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/Problem02_label01_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 06:11:23,877 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:11:23,880 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:11:23,898 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:11:23,898 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:11:23,899 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:11:23,901 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:11:23,904 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:11:23,907 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:11:23,915 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:11:23,917 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:11:23,917 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:11:23,921 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:11:23,922 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:11:23,926 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:11:23,927 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:11:23,929 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:11:23,933 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:11:23,935 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:11:23,939 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:11:23,940 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:11:23,943 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:11:23,947 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-27 06:11:23,963 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 06:11:23,991 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:11:23,991 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:11:23,992 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 06:11:23,992 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 06:11:23,992 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 06:11:23,993 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 06:11:23,993 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-27 06:11:23,994 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 06:11:23,994 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 06:11:23,994 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 06:11:23,994 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 06:11:23,994 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 06:11:23,995 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 06:11:23,995 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 06:11:23,996 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:11:23,997 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:11:23,997 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:11:23,997 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 06:11:23,997 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 06:11:23,998 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 06:11:23,999 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:11:23,999 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 06:11:23,999 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:11:24,000 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:11:24,000 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 06:11:24,000 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 06:11:24,000 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 06:11:24,000 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:11:24,001 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 06:11:24,001 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 06:11:24,001 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 06:11:24,001 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 06:11:24,001 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 06:11:24,002 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 06:11:24,002 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 06:11:24,002 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 06:11:24,051 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:11:24,066 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:11:24,070 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:11:24,072 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:11:24,072 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:11:24,073 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label01_true-unreach-call_false-termination.c [2018-10-27 06:11:24,139 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ef69924de/9d20a780a4c64b25ae364214b9e74bd8/FLAG692b47f13 [2018-10-27 06:11:24,729 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:11:24,730 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label01_true-unreach-call_false-termination.c [2018-10-27 06:11:24,745 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ef69924de/9d20a780a4c64b25ae364214b9e74bd8/FLAG692b47f13 [2018-10-27 06:11:24,763 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ef69924de/9d20a780a4c64b25ae364214b9e74bd8 [2018-10-27 06:11:24,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:11:24,783 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 06:11:24,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:11:24,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:11:24,789 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:11:24,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:11:24" (1/1) ... [2018-10-27 06:11:24,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ed188a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:24, skipping insertion in model container [2018-10-27 06:11:24,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:11:24" (1/1) ... [2018-10-27 06:11:24,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:11:24,858 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:11:25,335 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:11:25,342 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:11:25,439 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:11:25,471 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:11:25,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:25 WrapperNode [2018-10-27 06:11:25,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:11:25,473 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:11:25,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:11:25,473 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:11:25,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:25" (1/1) ... [2018-10-27 06:11:25,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:25" (1/1) ... [2018-10-27 06:11:25,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:11:25,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:11:25,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:11:25,676 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:11:25,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:25" (1/1) ... [2018-10-27 06:11:25,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:25" (1/1) ... [2018-10-27 06:11:25,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:25" (1/1) ... [2018-10-27 06:11:25,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:25" (1/1) ... [2018-10-27 06:11:25,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:25" (1/1) ... [2018-10-27 06:11:25,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:25" (1/1) ... [2018-10-27 06:11:25,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:25" (1/1) ... [2018-10-27 06:11:25,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:11:25,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:11:25,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:11:25,781 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:11:25,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:25" (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 06:11:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 06:11:25,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 06:11:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 06:11:25,852 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 06:11:25,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:11:25,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:11:25,852 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 06:11:25,853 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 06:11:29,106 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:11:29,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:11:29 BoogieIcfgContainer [2018-10-27 06:11:29,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:11:29,111 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 06:11:29,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 06:11:29,115 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 06:11:29,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:11:24" (1/3) ... [2018-10-27 06:11:29,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31f0ff01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:11:29, skipping insertion in model container [2018-10-27 06:11:29,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:25" (2/3) ... [2018-10-27 06:11:29,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31f0ff01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:11:29, skipping insertion in model container [2018-10-27 06:11:29,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:11:29" (3/3) ... [2018-10-27 06:11:29,123 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label01_true-unreach-call_false-termination.c [2018-10-27 06:11:29,134 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 06:11:29,145 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 06:11:29,164 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 06:11:29,204 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 06:11:29,204 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 06:11:29,204 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 06:11:29,205 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:11:29,205 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:11:29,205 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 06:11:29,205 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:11:29,205 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 06:11:29,233 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-10-27 06:11:29,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-27 06:11:29,248 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:11:29,250 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:11:29,252 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:11:29,258 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:29,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1161887336, now seen corresponding path program 1 times [2018-10-27 06:11:29,261 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:11:29,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:29,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:29,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:29,323 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:11:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:29,892 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 06:11:30,071 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 06:11:30,073 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:11:30,074 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 06:11:30,074 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:11:30,080 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 06:11:30,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 06:11:30,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 06:11:30,100 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-10-27 06:11:31,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:11:31,947 INFO L93 Difference]: Finished difference Result 626 states and 1068 transitions. [2018-10-27 06:11:31,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 06:11:31,951 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2018-10-27 06:11:31,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:11:31,972 INFO L225 Difference]: With dead ends: 626 [2018-10-27 06:11:31,972 INFO L226 Difference]: Without dead ends: 387 [2018-10-27 06:11:31,979 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 06:11:32,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-10-27 06:11:32,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2018-10-27 06:11:32,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-10-27 06:11:32,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 644 transitions. [2018-10-27 06:11:32,067 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 644 transitions. Word has length 120 [2018-10-27 06:11:32,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:11:32,068 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 644 transitions. [2018-10-27 06:11:32,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 06:11:32,069 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 644 transitions. [2018-10-27 06:11:32,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-27 06:11:32,078 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:11:32,079 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:11:32,079 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:11:32,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:32,080 INFO L82 PathProgramCache]: Analyzing trace with hash -875382257, now seen corresponding path program 1 times [2018-10-27 06:11:32,080 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:11:32,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:32,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:32,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:32,082 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:11:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:32,295 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:11:32,296 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:11:32,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 06:11:32,296 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:11:32,298 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 06:11:32,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 06:11:32,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 06:11:32,299 INFO L87 Difference]: Start difference. First operand 383 states and 644 transitions. Second operand 6 states. [2018-10-27 06:11:34,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:11:34,341 INFO L93 Difference]: Finished difference Result 1195 states and 2114 transitions. [2018-10-27 06:11:34,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 06:11:34,348 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2018-10-27 06:11:34,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:11:34,357 INFO L225 Difference]: With dead ends: 1195 [2018-10-27 06:11:34,357 INFO L226 Difference]: Without dead ends: 818 [2018-10-27 06:11:34,364 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 06:11:34,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2018-10-27 06:11:34,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 799. [2018-10-27 06:11:34,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 799 states. [2018-10-27 06:11:34,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1290 transitions. [2018-10-27 06:11:34,440 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1290 transitions. Word has length 141 [2018-10-27 06:11:34,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:11:34,440 INFO L481 AbstractCegarLoop]: Abstraction has 799 states and 1290 transitions. [2018-10-27 06:11:34,440 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 06:11:34,441 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1290 transitions. [2018-10-27 06:11:34,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-27 06:11:34,451 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:11:34,451 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:11:34,451 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:11:34,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:34,452 INFO L82 PathProgramCache]: Analyzing trace with hash 750553122, now seen corresponding path program 1 times [2018-10-27 06:11:34,452 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:11:34,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:34,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:34,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:34,454 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:11:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:34,731 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:11:34,732 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:11:34,732 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:11:34,733 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2018-10-27 06:11:34,735 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 06:11:34,802 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:11:34,802 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:11:35,513 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 06:11:35,515 INFO L272 AbstractInterpreter]: Visited 121 different actions 121 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-10-27 06:11:35,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:35,561 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 06:11:36,112 INFO L227 lantSequenceWeakener]: Weakened 139 states. On average, predicates are now at 81.02% of their original sizes. [2018-10-27 06:11:36,113 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 06:11:36,369 INFO L415 sIntCurrentIteration]: We unified 149 AI predicates to 149 [2018-10-27 06:11:36,369 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 06:11:36,370 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:11:36,371 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-10-27 06:11:36,371 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:11:36,371 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 06:11:36,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 06:11:36,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 06:11:36,372 INFO L87 Difference]: Start difference. First operand 799 states and 1290 transitions. Second operand 6 states. [2018-10-27 06:11:44,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:11:44,979 INFO L93 Difference]: Finished difference Result 1742 states and 2813 transitions. [2018-10-27 06:11:44,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 06:11:44,980 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 150 [2018-10-27 06:11:44,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:11:44,986 INFO L225 Difference]: With dead ends: 1742 [2018-10-27 06:11:44,987 INFO L226 Difference]: Without dead ends: 949 [2018-10-27 06:11:44,990 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 150 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-27 06:11:44,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2018-10-27 06:11:45,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 946. [2018-10-27 06:11:45,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 946 states. [2018-10-27 06:11:45,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1448 transitions. [2018-10-27 06:11:45,024 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1448 transitions. Word has length 150 [2018-10-27 06:11:45,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:11:45,024 INFO L481 AbstractCegarLoop]: Abstraction has 946 states and 1448 transitions. [2018-10-27 06:11:45,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 06:11:45,025 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1448 transitions. [2018-10-27 06:11:45,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-27 06:11:45,031 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:11:45,032 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:11:45,032 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:11:45,032 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:45,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1374584278, now seen corresponding path program 1 times [2018-10-27 06:11:45,033 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:11:45,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:45,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:45,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:45,034 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:11:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:45,236 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:11:45,236 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:11:45,236 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:11:45,236 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-10-27 06:11:45,237 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 06:11:45,243 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:11:45,244 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:11:45,506 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 06:11:45,507 INFO L272 AbstractInterpreter]: Visited 124 different actions 242 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-10-27 06:11:45,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:45,546 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 06:11:45,845 INFO L227 lantSequenceWeakener]: Weakened 150 states. On average, predicates are now at 82.63% of their original sizes. [2018-10-27 06:11:45,846 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 06:11:46,280 INFO L415 sIntCurrentIteration]: We unified 154 AI predicates to 154 [2018-10-27 06:11:46,280 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 06:11:46,281 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:11:46,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-10-27 06:11:46,281 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:11:46,282 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 06:11:46,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 06:11:46,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-27 06:11:46,283 INFO L87 Difference]: Start difference. First operand 946 states and 1448 transitions. Second operand 10 states. [2018-10-27 06:11:55,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:11:55,344 INFO L93 Difference]: Finished difference Result 2553 states and 4086 transitions. [2018-10-27 06:11:55,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-27 06:11:55,345 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 155 [2018-10-27 06:11:55,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:11:55,354 INFO L225 Difference]: With dead ends: 2553 [2018-10-27 06:11:55,354 INFO L226 Difference]: Without dead ends: 1613 [2018-10-27 06:11:55,359 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 164 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-10-27 06:11:55,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1613 states. [2018-10-27 06:11:55,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1613 to 1604. [2018-10-27 06:11:55,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1604 states. [2018-10-27 06:11:55,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2240 transitions. [2018-10-27 06:11:55,405 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2240 transitions. Word has length 155 [2018-10-27 06:11:55,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:11:55,405 INFO L481 AbstractCegarLoop]: Abstraction has 1604 states and 2240 transitions. [2018-10-27 06:11:55,406 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 06:11:55,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2240 transitions. [2018-10-27 06:11:55,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-27 06:11:55,412 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:11:55,412 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:11:55,412 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:11:55,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:55,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1773152067, now seen corresponding path program 1 times [2018-10-27 06:11:55,413 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:11:55,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:55,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:55,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:55,414 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:11:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:55,608 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 06:11:55,609 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:11:55,609 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:11:55,609 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-10-27 06:11:55,609 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 06:11:55,614 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:11:55,615 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:11:55,866 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 06:11:55,866 INFO L272 AbstractInterpreter]: Visited 125 different actions 374 times. Merged at 7 different actions 21 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-10-27 06:11:55,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:55,873 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 06:11:56,051 INFO L227 lantSequenceWeakener]: Weakened 155 states. On average, predicates are now at 84.7% of their original sizes. [2018-10-27 06:11:56,051 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 06:11:56,175 INFO L415 sIntCurrentIteration]: We unified 159 AI predicates to 159 [2018-10-27 06:11:56,176 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 06:11:56,176 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:11:56,176 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-10-27 06:11:56,176 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:11:56,176 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 06:11:56,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 06:11:56,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-27 06:11:56,177 INFO L87 Difference]: Start difference. First operand 1604 states and 2240 transitions. Second operand 9 states. [2018-10-27 06:12:01,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:12:01,620 INFO L93 Difference]: Finished difference Result 4175 states and 6110 transitions. [2018-10-27 06:12:01,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-27 06:12:01,620 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2018-10-27 06:12:01,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:12:01,635 INFO L225 Difference]: With dead ends: 4175 [2018-10-27 06:12:01,635 INFO L226 Difference]: Without dead ends: 2577 [2018-10-27 06:12:01,642 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 167 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-10-27 06:12:01,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2577 states. [2018-10-27 06:12:01,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2577 to 2530. [2018-10-27 06:12:01,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2530 states. [2018-10-27 06:12:01,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2530 states to 2530 states and 3369 transitions. [2018-10-27 06:12:01,716 INFO L78 Accepts]: Start accepts. Automaton has 2530 states and 3369 transitions. Word has length 160 [2018-10-27 06:12:01,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:12:01,716 INFO L481 AbstractCegarLoop]: Abstraction has 2530 states and 3369 transitions. [2018-10-27 06:12:01,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 06:12:01,717 INFO L276 IsEmpty]: Start isEmpty. Operand 2530 states and 3369 transitions. [2018-10-27 06:12:01,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-27 06:12:01,726 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:12:01,726 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:12:01,726 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:12:01,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:01,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1281810536, now seen corresponding path program 1 times [2018-10-27 06:12:01,727 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:12:01,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:01,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:01,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:01,729 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:12:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:12:01,901 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 69 proven. 18 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-27 06:12:01,901 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:12:01,902 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:12:01,902 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 188 with the following transitions: [2018-10-27 06:12:01,902 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 06:12:01,906 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:12:01,907 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:12:02,126 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 06:12:02,126 INFO L272 AbstractInterpreter]: Visited 126 different actions 372 times. Merged at 7 different actions 18 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-27 06:12:02,135 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:02,136 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 06:12:02,136 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:12:02,136 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 06:12:02,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:02,146 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 06:12:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:12:02,257 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:12:02,441 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 76 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-27 06:12:02,441 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 06:12:03,042 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 69 proven. 18 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-27 06:12:03,064 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 06:12:03,064 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-10-27 06:12:03,064 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 06:12:03,066 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 06:12:03,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 06:12:03,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-10-27 06:12:03,067 INFO L87 Difference]: Start difference. First operand 2530 states and 3369 transitions. Second operand 9 states. [2018-10-27 06:12:06,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:12:06,245 INFO L93 Difference]: Finished difference Result 5895 states and 8092 transitions. [2018-10-27 06:12:06,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 06:12:06,254 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 187 [2018-10-27 06:12:06,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:12:06,271 INFO L225 Difference]: With dead ends: 5895 [2018-10-27 06:12:06,271 INFO L226 Difference]: Without dead ends: 3371 [2018-10-27 06:12:06,280 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 373 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-10-27 06:12:06,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3371 states. [2018-10-27 06:12:06,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3371 to 3304. [2018-10-27 06:12:06,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3304 states. [2018-10-27 06:12:06,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3304 states to 3304 states and 4354 transitions. [2018-10-27 06:12:06,371 INFO L78 Accepts]: Start accepts. Automaton has 3304 states and 4354 transitions. Word has length 187 [2018-10-27 06:12:06,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:12:06,371 INFO L481 AbstractCegarLoop]: Abstraction has 3304 states and 4354 transitions. [2018-10-27 06:12:06,371 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 06:12:06,372 INFO L276 IsEmpty]: Start isEmpty. Operand 3304 states and 4354 transitions. [2018-10-27 06:12:06,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-27 06:12:06,396 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:12:06,396 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:12:06,396 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:12:06,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:06,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1019910135, now seen corresponding path program 1 times [2018-10-27 06:12:06,397 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:12:06,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:06,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:06,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:06,398 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:12:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:12:06,595 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 76 proven. 36 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 06:12:06,595 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:12:06,595 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:12:06,595 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 190 with the following transitions: [2018-10-27 06:12:06,596 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 06:12:06,601 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:12:06,601 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:12:07,041 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 06:12:07,041 INFO L272 AbstractInterpreter]: Visited 129 different actions 381 times. Merged at 9 different actions 22 times. Never widened. Found 5 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-27 06:12:07,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:07,082 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 06:12:07,082 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:12:07,082 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 06:12:07,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:07,094 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 06:12:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:12:07,199 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:12:07,736 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-27 06:12:07,736 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 06:12:08,908 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 10 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-27 06:12:08,931 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 06:12:08,931 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 14 [2018-10-27 06:12:08,932 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 06:12:08,932 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-27 06:12:08,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-27 06:12:08,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-10-27 06:12:08,933 INFO L87 Difference]: Start difference. First operand 3304 states and 4354 transitions. Second operand 11 states. [2018-10-27 06:12:15,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:12:15,232 INFO L93 Difference]: Finished difference Result 10834 states and 15822 transitions. [2018-10-27 06:12:15,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-27 06:12:15,232 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 189 [2018-10-27 06:12:15,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:12:15,257 INFO L225 Difference]: With dead ends: 10834 [2018-10-27 06:12:15,257 INFO L226 Difference]: Without dead ends: 4975 [2018-10-27 06:12:15,285 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 389 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=284, Invalid=976, Unknown=0, NotChecked=0, Total=1260 [2018-10-27 06:12:15,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4975 states. [2018-10-27 06:12:15,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4975 to 4426. [2018-10-27 06:12:15,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4426 states. [2018-10-27 06:12:15,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4426 states to 4426 states and 5316 transitions. [2018-10-27 06:12:15,396 INFO L78 Accepts]: Start accepts. Automaton has 4426 states and 5316 transitions. Word has length 189 [2018-10-27 06:12:15,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:12:15,396 INFO L481 AbstractCegarLoop]: Abstraction has 4426 states and 5316 transitions. [2018-10-27 06:12:15,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-27 06:12:15,396 INFO L276 IsEmpty]: Start isEmpty. Operand 4426 states and 5316 transitions. [2018-10-27 06:12:15,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-10-27 06:12:15,410 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:12:15,410 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:12:15,410 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:12:15,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:15,411 INFO L82 PathProgramCache]: Analyzing trace with hash 762730189, now seen corresponding path program 1 times [2018-10-27 06:12:15,411 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:12:15,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:15,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:15,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:15,412 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:12:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:12:16,492 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 104 proven. 44 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-10-27 06:12:16,493 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:12:16,493 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:12:16,493 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 226 with the following transitions: [2018-10-27 06:12:16,494 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [56], [59], [63], [64], [68], [72], [76], [80], [84], [88], [92], [96], [99], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 06:12:16,498 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:12:16,498 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:12:17,075 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 06:12:17,075 INFO L272 AbstractInterpreter]: Visited 131 different actions 651 times. Merged at 10 different actions 52 times. Widened at 1 different actions 1 times. Found 15 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-27 06:12:17,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:17,114 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 06:12:17,453 INFO L227 lantSequenceWeakener]: Weakened 138 states. On average, predicates are now at 87.49% of their original sizes. [2018-10-27 06:12:17,453 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 06:12:17,787 INFO L415 sIntCurrentIteration]: We unified 224 AI predicates to 224 [2018-10-27 06:12:17,788 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 06:12:17,788 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:12:17,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [9] total 26 [2018-10-27 06:12:17,789 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:12:17,789 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-27 06:12:17,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-27 06:12:17,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2018-10-27 06:12:17,790 INFO L87 Difference]: Start difference. First operand 4426 states and 5316 transitions. Second operand 19 states. [2018-10-27 06:12:41,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:12:41,483 INFO L93 Difference]: Finished difference Result 9812 states and 11821 transitions. [2018-10-27 06:12:41,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-10-27 06:12:41,483 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 225 [2018-10-27 06:12:41,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:12:41,484 INFO L225 Difference]: With dead ends: 9812 [2018-10-27 06:12:41,484 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 06:12:41,505 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 269 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1233 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=650, Invalid=3382, Unknown=0, NotChecked=0, Total=4032 [2018-10-27 06:12:41,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 06:12:41,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 06:12:41,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 06:12:41,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 06:12:41,506 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 225 [2018-10-27 06:12:41,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:12:41,507 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:12:41,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-27 06:12:41,507 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 06:12:41,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 06:12:41,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 06:12:41,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:41,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:41,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:41,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:41,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:41,805 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 133 [2018-10-27 06:12:41,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:41,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:41,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:41,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:41,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:41,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:41,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:41,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:41,947 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 150 [2018-10-27 06:12:42,539 WARN L179 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2018-10-27 06:12:42,849 WARN L179 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 77 [2018-10-27 06:12:44,713 WARN L179 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 276 DAG size of output: 81 [2018-10-27 06:12:45,730 WARN L179 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 102 [2018-10-27 06:12:46,721 WARN L179 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 110 [2018-10-27 06:12:46,725 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 06:12:46,725 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= |old(~a25~0)| ~a25~0)) [2018-10-27 06:12:46,725 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 06:12:46,725 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,726 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,726 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,726 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,726 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,726 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-10-27 06:12:46,726 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-10-27 06:12:46,726 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-10-27 06:12:46,726 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-10-27 06:12:46,726 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-10-27 06:12:46,726 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-10-27 06:12:46,726 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-10-27 06:12:46,727 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-10-27 06:12:46,727 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-10-27 06:12:46,727 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-10-27 06:12:46,727 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-10-27 06:12:46,727 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-10-27 06:12:46,727 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-10-27 06:12:46,727 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,727 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,727 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,727 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,727 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-10-27 06:12:46,727 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,727 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-10-27 06:12:46,727 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-10-27 06:12:46,728 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-10-27 06:12:46,728 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-10-27 06:12:46,728 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-10-27 06:12:46,728 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-10-27 06:12:46,728 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-10-27 06:12:46,728 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-10-27 06:12:46,728 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-10-27 06:12:46,728 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-10-27 06:12:46,728 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-10-27 06:12:46,728 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-10-27 06:12:46,728 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-10-27 06:12:46,729 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-10-27 06:12:46,729 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-10-27 06:12:46,729 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,729 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,729 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,729 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,729 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,729 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-10-27 06:12:46,729 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-10-27 06:12:46,730 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-10-27 06:12:46,730 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-10-27 06:12:46,730 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-10-27 06:12:46,730 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-10-27 06:12:46,730 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-10-27 06:12:46,730 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-10-27 06:12:46,730 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-10-27 06:12:46,730 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-10-27 06:12:46,730 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-10-27 06:12:46,731 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,731 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,731 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,731 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,731 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,731 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-10-27 06:12:46,731 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-10-27 06:12:46,731 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-10-27 06:12:46,731 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-10-27 06:12:46,732 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-10-27 06:12:46,732 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-10-27 06:12:46,732 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-10-27 06:12:46,732 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-10-27 06:12:46,732 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 511) no Hoare annotation was computed. [2018-10-27 06:12:46,732 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-10-27 06:12:46,732 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-10-27 06:12:46,732 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-10-27 06:12:46,732 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-10-27 06:12:46,732 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-10-27 06:12:46,732 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,733 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,733 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,733 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,733 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,733 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-10-27 06:12:46,733 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-10-27 06:12:46,733 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-10-27 06:12:46,733 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-10-27 06:12:46,734 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-10-27 06:12:46,734 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-10-27 06:12:46,734 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-10-27 06:12:46,734 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-10-27 06:12:46,734 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-10-27 06:12:46,734 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-10-27 06:12:46,734 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-10-27 06:12:46,734 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-10-27 06:12:46,734 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-10-27 06:12:46,735 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-10-27 06:12:46,735 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-10-27 06:12:46,735 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-10-27 06:12:46,735 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,735 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,735 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,735 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,735 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-10-27 06:12:46,735 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,735 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-10-27 06:12:46,736 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,736 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-10-27 06:12:46,736 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-10-27 06:12:46,736 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-10-27 06:12:46,736 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,736 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,736 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-10-27 06:12:46,736 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-10-27 06:12:46,736 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-10-27 06:12:46,736 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-10-27 06:12:46,736 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-10-27 06:12:46,736 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-10-27 06:12:46,737 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-10-27 06:12:46,737 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-10-27 06:12:46,737 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-10-27 06:12:46,737 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-10-27 06:12:46,737 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-10-27 06:12:46,737 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,737 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,737 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,737 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,737 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,737 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,737 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-10-27 06:12:46,738 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-10-27 06:12:46,738 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-10-27 06:12:46,738 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-10-27 06:12:46,738 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-10-27 06:12:46,738 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-10-27 06:12:46,738 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-10-27 06:12:46,738 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-10-27 06:12:46,738 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-10-27 06:12:46,738 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-10-27 06:12:46,738 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-10-27 06:12:46,738 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,739 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,739 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,739 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,739 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,739 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,739 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-10-27 06:12:46,739 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-10-27 06:12:46,739 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-10-27 06:12:46,739 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-10-27 06:12:46,740 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-10-27 06:12:46,740 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-10-27 06:12:46,740 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-10-27 06:12:46,740 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-10-27 06:12:46,740 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-10-27 06:12:46,740 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-10-27 06:12:46,740 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-10-27 06:12:46,740 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-10-27 06:12:46,740 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-10-27 06:12:46,741 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-10-27 06:12:46,741 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,741 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,741 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,741 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse3 (= 8 |old(~a28~0)|))) (let ((.cse20 (= 1 |old(~a19~0)|)) (.cse19 (= 1 |old(~a25~0)|)) (.cse7 (= |old(~a28~0)| ~a28~0)) (.cse8 (= |old(~a19~0)| ~a19~0)) (.cse10 (= |old(~a25~0)| ~a25~0)) (.cse1 (not (= 1 ~a21~0))) (.cse22 (not .cse3))) (let ((.cse5 (< 0 |old(~a19~0)|)) (.cse21 (and (or .cse1 (not (= 7 |old(~a28~0)|))) (or .cse1 .cse22))) (.cse14 (= ~a25~0 1)) (.cse2 (= 0 |old(~a28~0)|)) (.cse9 (= ~a17~0 8)) (.cse13 (= ~a19~0 1)) (.cse0 (< 10 |old(~a28~0)|)) (.cse17 (and (<= ~a17~0 |old(~a17~0)|) .cse7 .cse8 .cse10)) (.cse18 (< 7 |old(~a17~0)|)) (.cse11 (not .cse19)) (.cse12 (not .cse20)) (.cse15 (not (= 0 |old(~a11~0)|))) (.cse4 (not (= 8 |old(~a17~0)|))) (.cse6 (= |calculate_output_#in~input| 0)) (.cse16 (= ~a11~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (and .cse7 .cse8 .cse9 .cse10)) (or .cse11 (or .cse1 .cse12 .cse2) .cse4 .cse6 (and (and .cse7 .cse13) .cse9 .cse14)) (or .cse0 .cse1 .cse12 .cse2 .cse3 .cse15 .cse4 .cse6 .cse16) (or .cse17 .cse5 .cse18 .cse19) (or .cse20 .cse21 .cse4 (and .cse7 .cse8 .cse10 .cse9) .cse6 .cse19) (or .cse0 .cse17 .cse3 .cse18) (or (not (= |old(~a19~0)| 1)) .cse3 .cse17 .cse18) (or .cse21 .cse11 (and .cse14 .cse8 .cse9 (= ~a28~0 7)) .cse3 .cse4 .cse6) (or (or .cse1 (not (= 11 |old(~a28~0)|)) .cse15) .cse16 .cse11 .cse12 .cse4 .cse6) (or .cse0 .cse1 .cse12 .cse2 .cse3 .cse4 (and .cse10 .cse7 .cse9 .cse13) .cse6) (or .cse0 .cse20 .cse17 (< |old(~a19~0)| 1) .cse18) (or .cse0 .cse17 .cse18 .cse19) (or .cse1 .cse11 .cse12 .cse15 .cse22 .cse4 .cse6 .cse16))))) [2018-10-27 06:12:46,741 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,742 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,742 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,742 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-10-27 06:12:46,742 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-10-27 06:12:46,742 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-10-27 06:12:46,742 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-10-27 06:12:46,742 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-10-27 06:12:46,742 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-10-27 06:12:46,742 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-10-27 06:12:46,742 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-10-27 06:12:46,743 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-10-27 06:12:46,743 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-10-27 06:12:46,743 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-10-27 06:12:46,743 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-10-27 06:12:46,743 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-10-27 06:12:46,743 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,743 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,743 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,743 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,743 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,744 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,744 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-10-27 06:12:46,744 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-10-27 06:12:46,744 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-10-27 06:12:46,744 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-10-27 06:12:46,744 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-10-27 06:12:46,744 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-10-27 06:12:46,744 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-10-27 06:12:46,744 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-10-27 06:12:46,744 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-10-27 06:12:46,745 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-10-27 06:12:46,745 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-10-27 06:12:46,745 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-10-27 06:12:46,745 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-10-27 06:12:46,745 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-10-27 06:12:46,745 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-10-27 06:12:46,745 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-10-27 06:12:46,745 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,745 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,745 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,746 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,746 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:46,746 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-10-27 06:12:46,746 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-10-27 06:12:46,746 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-10-27 06:12:46,746 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-10-27 06:12:46,746 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-10-27 06:12:46,746 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-10-27 06:12:46,746 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-10-27 06:12:46,746 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-10-27 06:12:46,747 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-10-27 06:12:46,747 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-10-27 06:12:46,747 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-10-27 06:12:46,747 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-10-27 06:12:46,747 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-10-27 06:12:46,747 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-10-27 06:12:46,747 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-10-27 06:12:46,747 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-10-27 06:12:46,747 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-10-27 06:12:46,747 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-10-27 06:12:46,748 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-10-27 06:12:46,748 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 06:12:46,748 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~z~0 26) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a~0 1) (= ~a19~0 1) (= ~a28~0 7)) [2018-10-27 06:12:46,748 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 06:12:46,748 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 06:12:46,748 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a19~0 1) (= |old(~a28~0)| ~a28~0) (= ~a17~0 8)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-10-27 06:12:46,748 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-10-27 06:12:46,749 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse13 (= ~a25~0 1)) (.cse12 (= ~a28~0 7)) (.cse7 (= ~a21~0 1)) (.cse11 (= ~a19~0 1)) (.cse14 (= ~a28~0 8))) (let ((.cse0 (<= ~a17~0 7)) (.cse9 (<= ~a19~0 0)) (.cse5 (not .cse14)) (.cse2 (<= ~a28~0 10)) (.cse10 (not (= ~a28~0 0))) (.cse8 (not .cse11)) (.cse3 (not (= main_~input~0 0))) (.cse4 (or (and .cse12 .cse7) (and .cse14 .cse7))) (.cse1 (not .cse13)) (.cse6 (= ~a17~0 8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse5) (not .cse7) (not (= ~y~0 25)) (and .cse8 .cse0 .cse2 (<= 1 ~a19~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (and (= |old(~a19~0)| ~a19~0) .cse0 .cse5) (not (= ~e~0 5)) (not (= ~d~0 4)) (and .cse3 .cse9 .cse10 .cse2 .cse5 .cse6) (and .cse0 .cse9 .cse1) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (and (and (= ~a11~0 0) (= ~a25~0 0) .cse11 .cse12) (not (= main_~output~0 0)) .cse6) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (and .cse3 .cse10 .cse5 .cse2 .cse11 .cse6) (and .cse3 .cse10 .cse6 .cse11 .cse13) (not (= 3 ~c~0)) (and .cse8 .cse3 .cse4 .cse1 .cse6) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0))))) [2018-10-27 06:12:46,749 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-10-27 06:12:46,749 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-10-27 06:12:46,749 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse12 (= ~a25~0 1)) (.cse7 (= ~a21~0 1)) (.cse10 (= ~a19~0 1)) (.cse13 (= ~a28~0 8))) (let ((.cse2 (<= ~a28~0 10)) (.cse5 (not .cse13)) (.cse0 (<= ~a17~0 7)) (.cse11 (<= ~a19~0 0)) (.cse9 (not (= ~a28~0 0))) (.cse8 (not .cse10)) (.cse3 (not (= main_~input~0 0))) (.cse4 (or (and (= ~a28~0 7) .cse7) (and .cse13 .cse7))) (.cse1 (not .cse12)) (.cse6 (= ~a17~0 8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse5) (not .cse7) (not (= ~y~0 25)) (and .cse8 .cse0 .cse2 (<= 1 ~a19~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (and (= |old(~a19~0)| ~a19~0) .cse0 .cse5) (not (= ~e~0 5)) (not (= ~d~0 4)) (and .cse3 .cse9 .cse5 .cse2 .cse6 .cse10) (and .cse3 .cse11 .cse9 .cse2 .cse5 .cse6) (and .cse0 .cse11 .cse1) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (and .cse3 .cse9 .cse6 .cse10 .cse12) (not (= 3 ~c~0)) (and .cse8 .cse3 .cse4 .cse1 .cse6) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0))))) [2018-10-27 06:12:46,749 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-10-27 06:12:46,750 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-10-27 06:12:46,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 06:12:46 BoogieIcfgContainer [2018-10-27 06:12:46,767 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 06:12:46,768 INFO L168 Benchmark]: Toolchain (without parser) took 81985.55 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -950.9 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-10-27 06:12:46,769 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 06:12:46,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.08 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-27 06:12:46,770 INFO L168 Benchmark]: Boogie Procedure Inliner took 202.80 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -822.0 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-10-27 06:12:46,771 INFO L168 Benchmark]: Boogie Preprocessor took 104.48 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 06:12:46,772 INFO L168 Benchmark]: RCFGBuilder took 3326.39 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 102.9 MB). Peak memory consumption was 102.9 MB. Max. memory is 7.1 GB. [2018-10-27 06:12:46,773 INFO L168 Benchmark]: TraceAbstraction took 77655.81 ms. Allocated memory was 2.3 GB in the beginning and 3.5 GB in the end (delta: 1.3 GB). Free memory was 2.1 GB in the beginning and 2.4 GB in the end (delta: -274.1 MB). Peak memory consumption was 978.5 MB. Max. memory is 7.1 GB. [2018-10-27 06:12:46,778 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 688.08 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 202.80 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -822.0 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.48 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3326.39 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 102.9 MB). Peak memory consumption was 102.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 77655.81 ms. Allocated memory was 2.3 GB in the beginning and 3.5 GB in the end (delta: 1.3 GB). Free memory was 2.1 GB in the beginning and 2.4 GB in the end (delta: -274.1 MB). Peak memory consumption was 978.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 511]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((a17 <= 7 && !(a25 == 1)) && a28 <= 10) || (((!(input == 0) && ((a28 == 7 && a21 == 1) || (a28 == 8 && a21 == 1))) && !(a28 == 8)) && a17 == 8)) || ((a17 <= 7 && a28 <= 10) && !(a28 == 8))) || !(a21 == 1)) || !(y == 25)) || (((!(a19 == 1) && a17 <= 7) && a28 <= 10) && 1 <= a19)) || !(1 == \old(a19))) || !(x == 24)) || ((\old(a19) == a19 && a17 <= 7) && !(a28 == 8))) || !(e == 5)) || !(d == 4)) || (((((!(input == 0) && a19 <= 0) && !(a28 == 0)) && a28 <= 10) && !(a28 == 8)) && a17 == 8)) || ((a17 <= 7 && a19 <= 0) && !(a25 == 1))) || !(21 == u)) || !(22 == v)) || !(\old(a11) == 0)) || (((((a11 == 0 && a25 == 0) && a19 == 1) && a28 == 7) && !(output == 0)) && a17 == 8)) || !(z == 26)) || !(0 == \old(a25))) || (((((!(input == 0) && !(a28 == 0)) && !(a28 == 8)) && a28 <= 10) && a19 == 1) && a17 == 8)) || ((((!(input == 0) && !(a28 == 0)) && a17 == 8) && a19 == 1) && a25 == 1)) || !(3 == c)) || ((((!(a19 == 1) && !(input == 0)) && ((a28 == 7 && a21 == 1) || (a28 == 8 && a21 == 1))) && !(a25 == 1)) && a17 == 8)) || !(23 == w)) || !(\old(a28) == 7)) || !(a == 1)) || !(\old(a17) == 8)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 77.5s OverallTime, 8 OverallIterations, 7 TraceHistogramMax, 60.4s AutomataDifference, 0.0s DeadEndRemovalTime, 5.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1282 SDtfs, 10546 SDslu, 2108 SDs, 0 SdLazy, 15137 SolverSat, 2876 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.4s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1578 GetRequests, 1416 SyntacticMatches, 8 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1604 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4426occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.7s AbstIntTime, 6 AbstIntIterations, 4 AbstIntStrong, 0.9961425853296694 AbsIntWeakeningRatio, 0.2434402332361516 AbsIntAvgWeakeningVarsNumRemoved, 25.104956268221574 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 698 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 131 PreInvPairs, 228 NumberOfFragments, 1101 HoareAnnotationTreeSize, 131 FomulaSimplifications, 8843 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7867 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 1703 NumberOfCodeBlocks, 1703 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2067 ConstructedInterpolants, 0 QuantifiedInterpolants, 603671 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1025 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 952/1103 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...