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_label40_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-25 00:07:47,430 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-25 00:07:47,432 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-25 00:07:47,444 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-25 00:07:47,445 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-25 00:07:47,446 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-25 00:07:47,448 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-25 00:07:47,450 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-25 00:07:47,452 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-25 00:07:47,453 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-25 00:07:47,455 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-25 00:07:47,456 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-25 00:07:47,457 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-25 00:07:47,459 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-25 00:07:47,463 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-25 00:07:47,464 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-25 00:07:47,464 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-25 00:07:47,468 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-25 00:07:47,474 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-25 00:07:47,479 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-25 00:07:47,481 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-25 00:07:47,482 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-25 00:07:47,487 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-25 00:07:47,487 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-25 00:07:47,487 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-25 00:07:47,488 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-25 00:07:47,490 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-25 00:07:47,490 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-25 00:07:47,491 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-25 00:07:47,492 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-25 00:07:47,492 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-25 00:07:47,496 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-25 00:07:47,499 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 [2018-10-25 00:07:47,531 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-25 00:07:47,531 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-25 00:07:47,533 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-25 00:07:47,533 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-25 00:07:47,533 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-25 00:07:47,533 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-25 00:07:47,533 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-25 00:07:47,534 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-25 00:07:47,534 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-25 00:07:47,534 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-25 00:07:47,535 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-25 00:07:47,535 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-25 00:07:47,535 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-25 00:07:47,535 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-25 00:07:47,536 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-25 00:07:47,536 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-25 00:07:47,537 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-25 00:07:47,538 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-25 00:07:47,538 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-25 00:07:47,539 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-25 00:07:47,539 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-25 00:07:47,539 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-25 00:07:47,539 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-25 00:07:47,540 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-25 00:07:47,540 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-25 00:07:47,540 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-25 00:07:47,540 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 00:07:47,541 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-25 00:07:47,541 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-25 00:07:47,541 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-25 00:07:47,541 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-25 00:07:47,541 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-25 00:07:47,541 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-25 00:07:47,542 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-25 00:07:47,542 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-25 00:07:47,542 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-25 00:07:47,608 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-25 00:07:47,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-25 00:07:47,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-25 00:07:47,626 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-25 00:07:47,627 INFO L276 PluginConnector]: CDTParser initialized [2018-10-25 00:07:47,627 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label40_true-unreach-call_false-termination.c [2018-10-25 00:07:47,689 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5566faa6f/7eb0004bd59441f6bd3c3f48085b04e0/FLAG11c493261 [2018-10-25 00:07:48,249 INFO L298 CDTParser]: Found 1 translation units. [2018-10-25 00:07:48,249 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label40_true-unreach-call_false-termination.c [2018-10-25 00:07:48,271 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5566faa6f/7eb0004bd59441f6bd3c3f48085b04e0/FLAG11c493261 [2018-10-25 00:07:48,300 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5566faa6f/7eb0004bd59441f6bd3c3f48085b04e0 [2018-10-25 00:07:48,313 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-25 00:07:48,315 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-25 00:07:48,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-25 00:07:48,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-25 00:07:48,322 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-25 00:07:48,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:07:48" (1/1) ... [2018-10-25 00:07:48,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dd863c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:48, skipping insertion in model container [2018-10-25 00:07:48,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:07:48" (1/1) ... [2018-10-25 00:07:48,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-25 00:07:48,404 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-25 00:07:48,849 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:07:48,854 INFO L189 MainTranslator]: Completed pre-run [2018-10-25 00:07:48,984 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:07:49,012 INFO L193 MainTranslator]: Completed translation [2018-10-25 00:07:49,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:49 WrapperNode [2018-10-25 00:07:49,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-25 00:07:49,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-25 00:07:49,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-25 00:07:49,014 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-25 00:07:49,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:49" (1/1) ... [2018-10-25 00:07:49,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:49" (1/1) ... [2018-10-25 00:07:49,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-25 00:07:49,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-25 00:07:49,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-25 00:07:49,250 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-25 00:07:49,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:49" (1/1) ... [2018-10-25 00:07:49,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:49" (1/1) ... [2018-10-25 00:07:49,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:49" (1/1) ... [2018-10-25 00:07:49,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:49" (1/1) ... [2018-10-25 00:07:49,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:49" (1/1) ... [2018-10-25 00:07:49,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:49" (1/1) ... [2018-10-25 00:07:49,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:49" (1/1) ... [2018-10-25 00:07:49,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-25 00:07:49,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-25 00:07:49,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-25 00:07:49,328 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-25 00:07:49,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:49" (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 [2018-10-25 00:07:49,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-25 00:07:49,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-25 00:07:49,420 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-25 00:07:49,420 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-25 00:07:49,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-25 00:07:49,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-25 00:07:49,421 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-25 00:07:49,421 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-25 00:07:52,850 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-25 00:07:52,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:07:52 BoogieIcfgContainer [2018-10-25 00:07:52,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-25 00:07:52,856 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-25 00:07:52,856 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-25 00:07:52,861 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-25 00:07:52,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 12:07:48" (1/3) ... [2018-10-25 00:07:52,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c671b11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:07:52, skipping insertion in model container [2018-10-25 00:07:52,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:49" (2/3) ... [2018-10-25 00:07:52,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c671b11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:07:52, skipping insertion in model container [2018-10-25 00:07:52,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:07:52" (3/3) ... [2018-10-25 00:07:52,867 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label40_true-unreach-call_false-termination.c [2018-10-25 00:07:52,876 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-25 00:07:52,884 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-25 00:07:52,902 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-25 00:07:52,950 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-25 00:07:52,950 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-25 00:07:52,950 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-25 00:07:52,951 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-25 00:07:52,951 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-25 00:07:52,951 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-25 00:07:52,951 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-25 00:07:52,951 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-25 00:07:52,979 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-10-25 00:07:52,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-25 00:07:52,990 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:52,991 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] [2018-10-25 00:07:52,993 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:52,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:52,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1390549688, now seen corresponding path program 1 times [2018-10-25 00:07:53,002 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:53,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:53,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:53,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:53,049 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:53,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:07:53,781 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:07:53,781 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-25 00:07:53,781 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:07:53,788 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-25 00:07:53,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-25 00:07:53,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-25 00:07:53,811 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 4 states. [2018-10-25 00:07:55,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:55,907 INFO L93 Difference]: Finished difference Result 788 states and 1373 transitions. [2018-10-25 00:07:55,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-25 00:07:55,910 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 96 [2018-10-25 00:07:55,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:55,934 INFO L225 Difference]: With dead ends: 788 [2018-10-25 00:07:55,934 INFO L226 Difference]: Without dead ends: 545 [2018-10-25 00:07:55,942 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-25 00:07:55,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2018-10-25 00:07:56,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 383. [2018-10-25 00:07:56,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-10-25 00:07:56,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 631 transitions. [2018-10-25 00:07:56,031 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 631 transitions. Word has length 96 [2018-10-25 00:07:56,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:56,033 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 631 transitions. [2018-10-25 00:07:56,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-25 00:07:56,033 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 631 transitions. [2018-10-25 00:07:56,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-25 00:07:56,040 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:56,040 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-25 00:07:56,040 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:56,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:56,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1279566395, now seen corresponding path program 1 times [2018-10-25 00:07:56,041 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:56,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:56,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:56,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:56,043 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:56,327 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:07:56,328 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:07:56,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-25 00:07:56,328 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:07:56,332 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-25 00:07:56,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-25 00:07:56,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-25 00:07:56,333 INFO L87 Difference]: Start difference. First operand 383 states and 631 transitions. Second operand 4 states. [2018-10-25 00:07:58,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:58,552 INFO L93 Difference]: Finished difference Result 1346 states and 2358 transitions. [2018-10-25 00:07:58,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-25 00:07:58,555 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 105 [2018-10-25 00:07:58,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:58,570 INFO L225 Difference]: With dead ends: 1346 [2018-10-25 00:07:58,571 INFO L226 Difference]: Without dead ends: 969 [2018-10-25 00:07:58,575 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-25 00:07:58,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2018-10-25 00:07:58,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 965. [2018-10-25 00:07:58,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2018-10-25 00:07:58,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1511 transitions. [2018-10-25 00:07:58,652 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1511 transitions. Word has length 105 [2018-10-25 00:07:58,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:58,653 INFO L481 AbstractCegarLoop]: Abstraction has 965 states and 1511 transitions. [2018-10-25 00:07:58,653 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-25 00:07:58,654 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1511 transitions. [2018-10-25 00:07:58,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-25 00:07:58,660 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:58,661 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2018-10-25 00:07:58,661 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:58,661 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:58,662 INFO L82 PathProgramCache]: Analyzing trace with hash 366365076, now seen corresponding path program 1 times [2018-10-25 00:07:58,662 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:58,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:58,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:58,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:58,663 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:58,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:58,827 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-25 00:07:58,827 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:58,828 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:07:58,829 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 117 with the following transitions: [2018-10-25 00:07:58,831 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [13], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [439], [441], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:07:58,886 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:07:58,886 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:07:59,542 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:07:59,543 INFO L272 AbstractInterpreter]: Visited 97 different actions 97 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-10-25 00:07:59,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:59,567 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:07:59,937 INFO L232 lantSequenceWeakener]: Weakened 107 states. On average, predicates are now at 80.57% of their original sizes. [2018-10-25 00:07:59,937 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:08:00,041 INFO L413 sIntCurrentIteration]: We have 115 unified AI predicates [2018-10-25 00:08:00,041 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:08:00,042 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:08:00,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2018-10-25 00:08:00,043 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:08:00,043 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-25 00:08:00,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-25 00:08:00,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-10-25 00:08:00,044 INFO L87 Difference]: Start difference. First operand 965 states and 1511 transitions. Second operand 7 states. [2018-10-25 00:08:10,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:08:10,970 INFO L93 Difference]: Finished difference Result 2074 states and 3277 transitions. [2018-10-25 00:08:10,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 00:08:10,970 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 116 [2018-10-25 00:08:10,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:08:10,983 INFO L225 Difference]: With dead ends: 2074 [2018-10-25 00:08:10,983 INFO L226 Difference]: Without dead ends: 1115 [2018-10-25 00:08:10,988 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 116 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-10-25 00:08:10,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2018-10-25 00:08:11,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 1112. [2018-10-25 00:08:11,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1112 states. [2018-10-25 00:08:11,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1667 transitions. [2018-10-25 00:08:11,037 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1667 transitions. Word has length 116 [2018-10-25 00:08:11,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:08:11,038 INFO L481 AbstractCegarLoop]: Abstraction has 1112 states and 1667 transitions. [2018-10-25 00:08:11,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-25 00:08:11,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1667 transitions. [2018-10-25 00:08:11,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-25 00:08:11,042 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:08:11,043 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:08:11,043 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:08:11,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:11,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1503068405, now seen corresponding path program 1 times [2018-10-25 00:08:11,045 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:08:11,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:11,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:11,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:11,047 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:08:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:11,224 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 27 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-25 00:08:11,224 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:11,224 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:08:11,225 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 127 with the following transitions: [2018-10-25 00:08:11,225 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [13], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [439], [441], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:08:11,232 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:08:11,232 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:08:11,752 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:08:11,753 INFO L272 AbstractInterpreter]: Visited 102 different actions 301 times. Merged at 7 different actions 19 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-10-25 00:08:11,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:11,791 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:08:11,791 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:11,791 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 [2018-10-25 00:08:11,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:11,808 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:08:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:11,918 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:08:12,092 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 41 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-25 00:08:12,092 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:08:13,011 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 41 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-25 00:08:13,034 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:08:13,034 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2018-10-25 00:08:13,034 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:08:13,035 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-25 00:08:13,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-25 00:08:13,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2018-10-25 00:08:13,036 INFO L87 Difference]: Start difference. First operand 1112 states and 1667 transitions. Second operand 11 states. [2018-10-25 00:08:17,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:08:17,949 INFO L93 Difference]: Finished difference Result 3914 states and 6875 transitions. [2018-10-25 00:08:17,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-25 00:08:17,950 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 126 [2018-10-25 00:08:17,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:08:17,981 INFO L225 Difference]: With dead ends: 3914 [2018-10-25 00:08:17,981 INFO L226 Difference]: Without dead ends: 2808 [2018-10-25 00:08:18,001 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 264 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=277, Invalid=715, Unknown=0, NotChecked=0, Total=992 [2018-10-25 00:08:18,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2808 states. [2018-10-25 00:08:18,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2808 to 2659. [2018-10-25 00:08:18,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2659 states. [2018-10-25 00:08:18,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2659 states to 2659 states and 3731 transitions. [2018-10-25 00:08:18,139 INFO L78 Accepts]: Start accepts. Automaton has 2659 states and 3731 transitions. Word has length 126 [2018-10-25 00:08:18,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:08:18,140 INFO L481 AbstractCegarLoop]: Abstraction has 2659 states and 3731 transitions. [2018-10-25 00:08:18,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-25 00:08:18,140 INFO L276 IsEmpty]: Start isEmpty. Operand 2659 states and 3731 transitions. [2018-10-25 00:08:18,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-25 00:08:18,147 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:08:18,147 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:08:18,148 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:08:18,148 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:18,148 INFO L82 PathProgramCache]: Analyzing trace with hash -933658751, now seen corresponding path program 1 times [2018-10-25 00:08:18,149 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:08:18,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:18,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:18,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:18,150 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:08:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:18,339 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:08:18,340 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:18,340 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:08:18,340 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 138 with the following transitions: [2018-10-25 00:08:18,341 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [91], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [439], [441], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:08:18,346 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:08:18,346 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:08:18,714 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:08:18,714 INFO L272 AbstractInterpreter]: Visited 100 different actions 194 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-10-25 00:08:18,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:18,752 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:08:19,351 INFO L232 lantSequenceWeakener]: Weakened 134 states. On average, predicates are now at 80.59% of their original sizes. [2018-10-25 00:08:19,351 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:08:21,941 INFO L413 sIntCurrentIteration]: We have 136 unified AI predicates [2018-10-25 00:08:21,942 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:08:21,942 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:08:21,942 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-10-25 00:08:21,943 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:08:21,943 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-25 00:08:21,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-25 00:08:21,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-25 00:08:21,944 INFO L87 Difference]: Start difference. First operand 2659 states and 3731 transitions. Second operand 10 states. [2018-10-25 00:08:31,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:08:31,330 INFO L93 Difference]: Finished difference Result 6130 states and 8766 transitions. [2018-10-25 00:08:31,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-25 00:08:31,330 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 137 [2018-10-25 00:08:31,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:08:31,346 INFO L225 Difference]: With dead ends: 6130 [2018-10-25 00:08:31,346 INFO L226 Difference]: Without dead ends: 3622 [2018-10-25 00:08:31,357 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 145 GetRequests, 31 SyntacticMatches, 97 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-10-25 00:08:31,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3622 states. [2018-10-25 00:08:31,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3622 to 3558. [2018-10-25 00:08:31,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3558 states. [2018-10-25 00:08:31,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3558 states to 3558 states and 4774 transitions. [2018-10-25 00:08:31,454 INFO L78 Accepts]: Start accepts. Automaton has 3558 states and 4774 transitions. Word has length 137 [2018-10-25 00:08:31,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:08:31,454 INFO L481 AbstractCegarLoop]: Abstraction has 3558 states and 4774 transitions. [2018-10-25 00:08:31,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-25 00:08:31,455 INFO L276 IsEmpty]: Start isEmpty. Operand 3558 states and 4774 transitions. [2018-10-25 00:08:31,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-25 00:08:31,461 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:08:31,462 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:08:31,462 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:08:31,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:31,463 INFO L82 PathProgramCache]: Analyzing trace with hash -2047904833, now seen corresponding path program 1 times [2018-10-25 00:08:31,463 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:08:31,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:31,464 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:31,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:31,464 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:08:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:31,616 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:08:31,617 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:31,617 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:08:31,617 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 143 with the following transitions: [2018-10-25 00:08:31,618 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [439], [441], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:08:31,621 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:08:31,622 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:08:31,941 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:08:31,941 INFO L272 AbstractInterpreter]: Visited 101 different actions 298 times. Merged at 7 different actions 19 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-10-25 00:08:31,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:31,948 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:08:31,948 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:31,948 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 [2018-10-25 00:08:31,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:31,957 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:08:32,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:32,022 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:08:32,105 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:08:32,105 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:08:32,294 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:08:32,315 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:08:32,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-10-25 00:08:32,315 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:08:32,316 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-25 00:08:32,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-25 00:08:32,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-10-25 00:08:32,317 INFO L87 Difference]: Start difference. First operand 3558 states and 4774 transitions. Second operand 9 states. [2018-10-25 00:08:33,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:08:33,895 INFO L93 Difference]: Finished difference Result 7401 states and 10158 transitions. [2018-10-25 00:08:33,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-25 00:08:33,904 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 142 [2018-10-25 00:08:33,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:08:33,922 INFO L225 Difference]: With dead ends: 7401 [2018-10-25 00:08:33,922 INFO L226 Difference]: Without dead ends: 3994 [2018-10-25 00:08:33,934 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 280 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-10-25 00:08:33,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3994 states. [2018-10-25 00:08:34,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3994 to 3979. [2018-10-25 00:08:34,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3979 states. [2018-10-25 00:08:34,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3979 states to 3979 states and 5204 transitions. [2018-10-25 00:08:34,037 INFO L78 Accepts]: Start accepts. Automaton has 3979 states and 5204 transitions. Word has length 142 [2018-10-25 00:08:34,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:08:34,037 INFO L481 AbstractCegarLoop]: Abstraction has 3979 states and 5204 transitions. [2018-10-25 00:08:34,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-25 00:08:34,038 INFO L276 IsEmpty]: Start isEmpty. Operand 3979 states and 5204 transitions. [2018-10-25 00:08:34,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-25 00:08:34,047 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:08:34,047 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:08:34,047 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:08:34,047 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:34,048 INFO L82 PathProgramCache]: Analyzing trace with hash -2024167671, now seen corresponding path program 1 times [2018-10-25 00:08:34,048 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:08:34,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:34,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:34,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:34,049 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:08:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:34,171 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:08:34,171 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:34,171 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:08:34,171 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-10-25 00:08:34,172 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [91], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [439], [441], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:08:34,174 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:08:34,175 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:08:34,719 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:08:34,720 INFO L272 AbstractInterpreter]: Visited 102 different actions 303 times. Merged at 8 different actions 21 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-25 00:08:34,726 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:34,726 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:08:34,726 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:34,726 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:08:34,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:34,735 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:08:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:34,812 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:08:34,976 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:08:34,976 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:08:35,119 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:08:35,140 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:08:35,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-10-25 00:08:35,140 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:08:35,141 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-25 00:08:35,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-25 00:08:35,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-10-25 00:08:35,142 INFO L87 Difference]: Start difference. First operand 3979 states and 5204 transitions. Second operand 9 states. [2018-10-25 00:08:35,776 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-25 00:08:36,019 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-25 00:08:39,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:08:39,678 INFO L93 Difference]: Finished difference Result 11311 states and 15769 transitions. [2018-10-25 00:08:39,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-25 00:08:39,686 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2018-10-25 00:08:39,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:08:39,704 INFO L225 Difference]: With dead ends: 11311 [2018-10-25 00:08:39,704 INFO L226 Difference]: Without dead ends: 2524 [2018-10-25 00:08:39,735 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 326 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2018-10-25 00:08:39,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2524 states. [2018-10-25 00:08:39,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2524 to 2276. [2018-10-25 00:08:39,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2276 states. [2018-10-25 00:08:39,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2276 states to 2276 states and 2578 transitions. [2018-10-25 00:08:39,798 INFO L78 Accepts]: Start accepts. Automaton has 2276 states and 2578 transitions. Word has length 160 [2018-10-25 00:08:39,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:08:39,798 INFO L481 AbstractCegarLoop]: Abstraction has 2276 states and 2578 transitions. [2018-10-25 00:08:39,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-25 00:08:39,799 INFO L276 IsEmpty]: Start isEmpty. Operand 2276 states and 2578 transitions. [2018-10-25 00:08:39,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-10-25 00:08:39,806 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:08:39,806 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2018-10-25 00:08:39,807 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:08:39,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:39,807 INFO L82 PathProgramCache]: Analyzing trace with hash 583875016, now seen corresponding path program 1 times [2018-10-25 00:08:39,807 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:08:39,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:39,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:39,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:39,809 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:08:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:40,696 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 142 proven. 122 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-25 00:08:40,696 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:40,697 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:08:40,697 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 241 with the following transitions: [2018-10-25 00:08:40,697 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [151], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [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], [439], [441], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:08:40,700 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:08:40,700 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:08:41,381 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:08:41,381 INFO L272 AbstractInterpreter]: Visited 105 different actions 524 times. Merged at 9 different actions 53 times. Widened at 1 different actions 5 times. Found 10 fixpoints after 4 different actions. Largest state had 38 variables. [2018-10-25 00:08:41,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:41,388 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:08:41,388 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:41,388 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:08:41,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:41,398 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:08:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:41,512 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:08:41,716 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 216 proven. 2 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-10-25 00:08:41,716 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:08:41,959 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 188 proven. 36 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-25 00:08:41,980 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:08:41,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2018-10-25 00:08:41,981 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:08:41,981 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-25 00:08:41,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-25 00:08:41,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-10-25 00:08:41,982 INFO L87 Difference]: Start difference. First operand 2276 states and 2578 transitions. Second operand 13 states. [2018-10-25 00:08:44,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:08:44,179 INFO L93 Difference]: Finished difference Result 4814 states and 5542 transitions. [2018-10-25 00:08:44,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-10-25 00:08:44,180 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 240 [2018-10-25 00:08:44,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:08:44,189 INFO L225 Difference]: With dead ends: 4814 [2018-10-25 00:08:44,189 INFO L226 Difference]: Without dead ends: 2246 [2018-10-25 00:08:44,194 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 524 GetRequests, 492 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=301, Invalid=755, Unknown=0, NotChecked=0, Total=1056 [2018-10-25 00:08:44,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2246 states. [2018-10-25 00:08:44,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2246 to 2125. [2018-10-25 00:08:44,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2125 states. [2018-10-25 00:08:44,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 2392 transitions. [2018-10-25 00:08:44,246 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 2392 transitions. Word has length 240 [2018-10-25 00:08:44,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:08:44,247 INFO L481 AbstractCegarLoop]: Abstraction has 2125 states and 2392 transitions. [2018-10-25 00:08:44,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-25 00:08:44,247 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2392 transitions. [2018-10-25 00:08:44,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-10-25 00:08:44,255 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:08:44,255 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-25 00:08:44,256 INFO L424 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:08:44,256 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:44,256 INFO L82 PathProgramCache]: Analyzing trace with hash 423656167, now seen corresponding path program 1 times [2018-10-25 00:08:44,256 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:08:44,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:44,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:44,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:44,257 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:08:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:45,174 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 232 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:08:45,174 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:45,174 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:08:45,175 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 247 with the following transitions: [2018-10-25 00:08:45,175 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [233], [236], [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], [439], [441], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:08:45,177 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:08:45,177 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:08:45,742 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:08:45,743 INFO L272 AbstractInterpreter]: Visited 104 different actions 410 times. Merged at 8 different actions 34 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-25 00:08:45,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:45,751 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:08:45,751 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:45,751 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:08:45,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:45,760 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:08:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:45,847 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:08:46,108 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 230 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-10-25 00:08:46,109 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:08:46,247 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 7 [2018-10-25 00:08:46,396 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 230 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-10-25 00:08:46,417 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:08:46,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 6, 6] total 22 [2018-10-25 00:08:46,418 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:08:46,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-10-25 00:08:46,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-10-25 00:08:46,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2018-10-25 00:08:46,419 INFO L87 Difference]: Start difference. First operand 2125 states and 2392 transitions. Second operand 20 states. [2018-10-25 00:08:46,574 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2018-10-25 00:08:47,017 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 36 [2018-10-25 00:08:48,018 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 25 [2018-10-25 00:08:49,076 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 41 [2018-10-25 00:08:49,274 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2018-10-25 00:08:49,670 WARN L179 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 31 [2018-10-25 00:08:50,445 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2018-10-25 00:08:51,384 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2018-10-25 00:08:51,992 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 29 [2018-10-25 00:08:52,578 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2018-10-25 00:08:52,951 WARN L179 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 37 [2018-10-25 00:08:53,555 WARN L179 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 48 [2018-10-25 00:08:54,402 WARN L179 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2018-10-25 00:08:54,662 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37 [2018-10-25 00:08:55,290 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2018-10-25 00:08:55,459 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2018-10-25 00:08:55,647 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2018-10-25 00:08:57,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:08:57,899 INFO L93 Difference]: Finished difference Result 4462 states and 5342 transitions. [2018-10-25 00:08:57,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-10-25 00:08:57,899 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 246 [2018-10-25 00:08:57,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:08:57,911 INFO L225 Difference]: With dead ends: 4462 [2018-10-25 00:08:57,911 INFO L226 Difference]: Without dead ends: 2632 [2018-10-25 00:08:57,917 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 597 GetRequests, 518 SyntacticMatches, 2 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1867 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=1235, Invalid=4927, Unknown=0, NotChecked=0, Total=6162 [2018-10-25 00:08:57,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2632 states. [2018-10-25 00:08:57,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2632 to 2335. [2018-10-25 00:08:57,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2335 states. [2018-10-25 00:08:57,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 2335 states and 2626 transitions. [2018-10-25 00:08:57,984 INFO L78 Accepts]: Start accepts. Automaton has 2335 states and 2626 transitions. Word has length 246 [2018-10-25 00:08:57,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:08:57,984 INFO L481 AbstractCegarLoop]: Abstraction has 2335 states and 2626 transitions. [2018-10-25 00:08:57,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-10-25 00:08:57,985 INFO L276 IsEmpty]: Start isEmpty. Operand 2335 states and 2626 transitions. [2018-10-25 00:08:57,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-10-25 00:08:57,993 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:08:57,993 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-25 00:08:57,994 INFO L424 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:08:57,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:57,994 INFO L82 PathProgramCache]: Analyzing trace with hash 839734929, now seen corresponding path program 1 times [2018-10-25 00:08:57,994 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:08:57,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:57,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:57,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:57,995 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:08:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:58,317 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 318 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-10-25 00:08:58,318 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:58,318 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:08:58,318 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 291 with the following transitions: [2018-10-25 00:08:58,318 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [159], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [233], [236], [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], [439], [441], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:08:58,320 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:08:58,321 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:08:58,826 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:08:58,826 INFO L272 AbstractInterpreter]: Visited 105 different actions 425 times. Merged at 9 different actions 45 times. Widened at 1 different actions 5 times. Found 8 fixpoints after 4 different actions. Largest state had 38 variables. [2018-10-25 00:08:58,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:58,835 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:08:58,835 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:58,835 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:08:58,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:58,844 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:08:58,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:58,950 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:08:59,062 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 318 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-10-25 00:08:59,063 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:08:59,785 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 318 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-10-25 00:08:59,806 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:08:59,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7 [2018-10-25 00:08:59,807 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:08:59,807 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:08:59,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:08:59,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-25 00:08:59,808 INFO L87 Difference]: Start difference. First operand 2335 states and 2626 transitions. Second operand 6 states. [2018-10-25 00:09:00,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:09:00,725 INFO L93 Difference]: Finished difference Result 4358 states and 4968 transitions. [2018-10-25 00:09:00,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 00:09:00,732 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 290 [2018-10-25 00:09:00,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:09:00,733 INFO L225 Difference]: With dead ends: 4358 [2018-10-25 00:09:00,733 INFO L226 Difference]: Without dead ends: 0 [2018-10-25 00:09:00,742 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 591 GetRequests, 581 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-10-25 00:09:00,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-25 00:09:00,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-25 00:09:00,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-25 00:09:00,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-25 00:09:00,743 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 290 [2018-10-25 00:09:00,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:09:00,744 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-25 00:09:00,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:09:00,744 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-25 00:09:00,744 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-25 00:09:00,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-25 00:09:01,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:09:01,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:09:01,402 WARN L179 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 209 [2018-10-25 00:09:01,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:09:01,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:09:01,775 WARN L179 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 211 [2018-10-25 00:09:02,198 WARN L179 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 17 [2018-10-25 00:09:02,500 WARN L179 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 34 [2018-10-25 00:09:03,919 WARN L179 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 230 DAG size of output: 58 [2018-10-25 00:09:05,496 WARN L179 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 217 DAG size of output: 48 [2018-10-25 00:09:07,859 WARN L179 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 217 DAG size of output: 48 [2018-10-25 00:09:07,862 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:09:07,862 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-10-25 00:09:07,862 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:09:07,863 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,863 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,863 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,863 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,863 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,863 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-10-25 00:09:07,863 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-10-25 00:09:07,863 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-10-25 00:09:07,863 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-10-25 00:09:07,864 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-10-25 00:09:07,864 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-10-25 00:09:07,864 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-10-25 00:09:07,864 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-10-25 00:09:07,864 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-10-25 00:09:07,864 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-10-25 00:09:07,864 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-10-25 00:09:07,864 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-10-25 00:09:07,864 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-10-25 00:09:07,865 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,865 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,865 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,865 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,865 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-10-25 00:09:07,865 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,865 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-10-25 00:09:07,865 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-10-25 00:09:07,865 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-10-25 00:09:07,865 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-10-25 00:09:07,866 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-10-25 00:09:07,866 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-10-25 00:09:07,866 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-10-25 00:09:07,866 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-10-25 00:09:07,866 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-10-25 00:09:07,866 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-10-25 00:09:07,866 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-10-25 00:09:07,866 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-10-25 00:09:07,867 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-10-25 00:09:07,867 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-10-25 00:09:07,867 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-10-25 00:09:07,867 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,867 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,867 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,867 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,867 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,867 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-10-25 00:09:07,868 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-10-25 00:09:07,868 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-10-25 00:09:07,868 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-10-25 00:09:07,868 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-10-25 00:09:07,868 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-10-25 00:09:07,868 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-10-25 00:09:07,868 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-10-25 00:09:07,868 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-10-25 00:09:07,869 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-10-25 00:09:07,869 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2018-10-25 00:09:07,869 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-10-25 00:09:07,869 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,869 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,869 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,869 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,869 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,870 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-10-25 00:09:07,870 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-10-25 00:09:07,870 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-10-25 00:09:07,870 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-10-25 00:09:07,870 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-10-25 00:09:07,870 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-10-25 00:09:07,870 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-10-25 00:09:07,870 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-10-25 00:09:07,871 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-10-25 00:09:07,871 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-10-25 00:09:07,871 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-10-25 00:09:07,871 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-10-25 00:09:07,871 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-10-25 00:09:07,871 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,871 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,871 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,871 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,872 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,872 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-10-25 00:09:07,872 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-10-25 00:09:07,872 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-10-25 00:09:07,872 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-10-25 00:09:07,872 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-10-25 00:09:07,872 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-10-25 00:09:07,872 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-10-25 00:09:07,873 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-10-25 00:09:07,873 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-10-25 00:09:07,873 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-10-25 00:09:07,873 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-10-25 00:09:07,873 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-10-25 00:09:07,873 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-10-25 00:09:07,873 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-10-25 00:09:07,873 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-10-25 00:09:07,873 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-10-25 00:09:07,873 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,874 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,874 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,874 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,874 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-10-25 00:09:07,874 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,874 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-10-25 00:09:07,874 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,874 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-10-25 00:09:07,874 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-10-25 00:09:07,875 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-10-25 00:09:07,875 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,875 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,875 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-10-25 00:09:07,875 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-10-25 00:09:07,875 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-10-25 00:09:07,875 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-10-25 00:09:07,875 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-10-25 00:09:07,875 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-10-25 00:09:07,875 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-10-25 00:09:07,876 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-10-25 00:09:07,876 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-10-25 00:09:07,876 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-10-25 00:09:07,876 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-10-25 00:09:07,876 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,876 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,876 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,876 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,876 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,877 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,877 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-10-25 00:09:07,877 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-10-25 00:09:07,877 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-10-25 00:09:07,877 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-10-25 00:09:07,877 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-10-25 00:09:07,877 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-10-25 00:09:07,877 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-10-25 00:09:07,877 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-10-25 00:09:07,877 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-10-25 00:09:07,878 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-10-25 00:09:07,878 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-10-25 00:09:07,878 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,878 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,878 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,878 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,878 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,878 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,878 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-10-25 00:09:07,879 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-10-25 00:09:07,879 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-10-25 00:09:07,879 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-10-25 00:09:07,879 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-10-25 00:09:07,879 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-10-25 00:09:07,879 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-10-25 00:09:07,879 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-10-25 00:09:07,879 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-10-25 00:09:07,879 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-10-25 00:09:07,879 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-10-25 00:09:07,880 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-10-25 00:09:07,880 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-10-25 00:09:07,880 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-10-25 00:09:07,880 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,880 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,880 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,880 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (= 1 |old(~a11~0)|)) (.cse6 (= |old(~a17~0)| ~a17~0)) (.cse7 (= |old(~a25~0)| ~a25~0)) (.cse8 (= ~a28~0 |old(~a28~0)|))) (let ((.cse1 (and (= ~a11~0 |old(~a11~0)|) .cse6 .cse7 .cse8)) (.cse2 (< 7 |old(~a17~0)|)) (.cse10 (not .cse0)) (.cse5 (= 1 ~a11~0)) (.cse3 (< 10 |old(~a28~0)|)) (.cse9 (< 8 |old(~a17~0)|)) (.cse11 (not (= 1 ~a21~0))) (.cse4 (and .cse0 (= |old(~a11~0)| |old(~a19~0)|))) (.cse12 (= |old(~a11~0)| ~a11~0)) (.cse13 (= ~a19~0 |old(~a19~0)|)) (.cse14 (= ~a25~0 |old(~a25~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (and .cse5 .cse6 .cse7 .cse8 (not (= 1 ~a19~0))) .cse9 .cse10) (or .cse3 .cse1 .cse2) (or .cse3 (= 7 |old(~a28~0)|) .cse9 .cse10 (and .cse5 .cse6 .cse7 .cse8)) (or .cse3 .cse11 .cse0 (and .cse12 (= ~a17~0 |old(~a17~0)|) .cse13 .cse8 .cse14) .cse9) (or .cse11 .cse4 (not (= 1 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (and .cse12 (= 8 ~a17~0) .cse13 .cse8 .cse14) (not (= 8 |old(~a17~0)|)))))) [2018-10-25 00:09:07,881 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,881 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,881 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,881 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-10-25 00:09:07,881 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-10-25 00:09:07,881 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-10-25 00:09:07,881 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-10-25 00:09:07,881 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-10-25 00:09:07,881 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-10-25 00:09:07,882 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-10-25 00:09:07,882 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-10-25 00:09:07,882 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-10-25 00:09:07,882 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-10-25 00:09:07,882 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-10-25 00:09:07,882 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-10-25 00:09:07,882 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-10-25 00:09:07,882 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,882 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,882 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,883 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,883 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,883 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,883 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-10-25 00:09:07,883 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-10-25 00:09:07,883 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-10-25 00:09:07,883 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-10-25 00:09:07,883 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-10-25 00:09:07,883 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-10-25 00:09:07,884 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-10-25 00:09:07,884 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-10-25 00:09:07,884 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-10-25 00:09:07,884 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-10-25 00:09:07,884 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-10-25 00:09:07,884 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-10-25 00:09:07,884 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-10-25 00:09:07,884 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-10-25 00:09:07,884 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-10-25 00:09:07,885 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-10-25 00:09:07,885 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,885 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,885 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,885 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,885 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:09:07,885 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-10-25 00:09:07,885 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-10-25 00:09:07,886 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-10-25 00:09:07,886 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-10-25 00:09:07,886 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-10-25 00:09:07,886 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-10-25 00:09:07,886 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-10-25 00:09:07,886 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-10-25 00:09:07,886 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-10-25 00:09:07,886 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-10-25 00:09:07,886 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-10-25 00:09:07,887 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-10-25 00:09:07,887 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-10-25 00:09:07,887 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-10-25 00:09:07,887 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-10-25 00:09:07,887 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-10-25 00:09:07,887 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-10-25 00:09:07,887 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-10-25 00:09:07,887 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-10-25 00:09:07,887 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:09:07,888 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-10-25 00:09:07,888 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-25 00:09:07,888 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:09:07,888 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-10-25 00:09:07,888 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-10-25 00:09:07,888 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8)) (.cse1 (= 1 ~a19~0)) (.cse4 (<= ~a17~0 7)) (.cse2 (= 1 ~a11~0)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse3 (<= ~a28~0 10))) (or (not (= 1 ~a21~0)) (and (and .cse0 (not .cse1)) .cse2 .cse3) (and .cse2 (not (= 7 ~a28~0)) .cse3 .cse0) (not (= 0 |old(~a11~0)|)) (and .cse4 .cse5) (and (and .cse5 (= 1 ~a25~0) .cse0) .cse1) (and .cse4 .cse2 .cse3) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 7 |old(~a28~0)|)) (and .cse5 (= |old(~a17~0)| ~a17~0) .cse3) (not (= 0 |old(~a25~0)|)))) [2018-10-25 00:09:07,888 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-10-25 00:09:07,889 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-10-25 00:09:07,889 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8)) (.cse1 (= 1 ~a19~0)) (.cse4 (<= ~a17~0 7)) (.cse2 (= 1 ~a11~0)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse3 (<= ~a28~0 10))) (or (not (= 1 ~a21~0)) (and (and .cse0 (not .cse1)) .cse2 .cse3) (and .cse2 (not (= 7 ~a28~0)) .cse3 .cse0) (not (= 0 |old(~a11~0)|)) (and .cse4 .cse5) (and (and .cse5 (= 1 ~a25~0) .cse0) .cse1) (and .cse4 .cse2 .cse3) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 7 |old(~a28~0)|)) (and .cse5 (= |old(~a17~0)| ~a17~0) .cse3) (not (= 0 |old(~a25~0)|)))) [2018-10-25 00:09:07,889 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-10-25 00:09:07,889 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-10-25 00:09:07,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 12:09:07 BoogieIcfgContainer [2018-10-25 00:09:07,903 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-25 00:09:07,904 INFO L168 Benchmark]: Toolchain (without parser) took 79589.43 ms. Allocated memory was 1.5 GB in the beginning and 3.6 GB in the end (delta: 2.1 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 929.4 MB. Max. memory is 7.1 GB. [2018-10-25 00:09:07,905 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-25 00:09:07,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.42 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-25 00:09:07,906 INFO L168 Benchmark]: Boogie Procedure Inliner took 235.02 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 759.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -835.8 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. [2018-10-25 00:09:07,907 INFO L168 Benchmark]: Boogie Preprocessor took 78.38 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. [2018-10-25 00:09:07,907 INFO L168 Benchmark]: RCFGBuilder took 3523.08 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 104.9 MB). Peak memory consumption was 104.9 MB. Max. memory is 7.1 GB. [2018-10-25 00:09:07,908 INFO L168 Benchmark]: TraceAbstraction took 75046.46 ms. Allocated memory was 2.3 GB in the beginning and 3.6 GB in the end (delta: 1.3 GB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -467.5 MB). Peak memory consumption was 869.4 MB. Max. memory is 7.1 GB. [2018-10-25 00:09:07,913 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 697.42 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 235.02 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 759.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -835.8 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 78.38 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 3523.08 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 104.9 MB). Peak memory consumption was 104.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 75046.46 ms. Allocated memory was 2.3 GB in the beginning and 3.6 GB in the end (delta: 1.3 GB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -467.5 MB). Peak memory consumption was 869.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((!(1 == a21) || (((a17 <= 8 && !(1 == a19)) && 1 == a11) && a28 <= 10)) || (((1 == a11 && !(7 == a28)) && a28 <= 10) && a17 <= 8)) || !(0 == \old(a11))) || (a17 <= 7 && a11 == \old(a11))) || (((a11 == \old(a11) && 1 == a25) && a17 <= 8) && 1 == a19)) || ((a17 <= 7 && 1 == a11) && a28 <= 10)) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(7 == \old(a28))) || ((a11 == \old(a11) && \old(a17) == a17) && a28 <= 10)) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 74.9s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 50.5s AutomataDifference, 0.0s DeadEndRemovalTime, 7.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1439 SDtfs, 11837 SDslu, 2420 SDs, 0 SdLazy, 18021 SolverSat, 3427 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.7s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2920 GetRequests, 2607 SyntacticMatches, 109 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2682 ImplicationChecksByTransitivity, 14.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3979occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.3s AbstIntTime, 8 AbstIntIterations, 2 AbstIntStrong, 0.9967611020575635 AbsIntWeakeningRatio, 0.26693227091633465 AbsIntAvgWeakeningVarsNumRemoved, 12.270916334661354 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 1063 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 161 PreInvPairs, 263 NumberOfFragments, 449 HoareAnnotationTreeSize, 161 FomulaSimplifications, 9169 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 21599 FormulaSimplificationTreeSizeReductionInter, 6.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 2862 NumberOfCodeBlocks, 2862 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4044 ConstructedInterpolants, 0 QuantifiedInterpolants, 2371745 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3043 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 22 InterpolantComputations, 2 PerfectInterpolantSequences, 3374/3615 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...