java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label40_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 18:41:02,671 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 18:41:02,674 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 18:41:02,688 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 18:41:02,689 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 18:41:02,690 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 18:41:02,691 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 18:41:02,693 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 18:41:02,695 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 18:41:02,695 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 18:41:02,696 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 18:41:02,697 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 18:41:02,698 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 18:41:02,699 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 18:41:02,700 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 18:41:02,701 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 18:41:02,702 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 18:41:02,703 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 18:41:02,705 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 18:41:02,707 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 18:41:02,708 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 18:41:02,709 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 18:41:02,712 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 18:41:02,712 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 18:41:02,712 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 18:41:02,713 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 18:41:02,714 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 18:41:02,715 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 18:41:02,716 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 18:41:02,717 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 18:41:02,717 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 18:41:02,718 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-11-07 18:41:02,721 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-07 18:41:02,739 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 18:41:02,740 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 18:41:02,741 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 18:41:02,741 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 18:41:02,741 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 18:41:02,741 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 18:41:02,742 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 18:41:02,742 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 18:41:02,742 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 18:41:02,742 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 18:41:02,742 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 18:41:02,743 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 18:41:02,743 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 18:41:02,743 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 18:41:02,744 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 18:41:02,744 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 18:41:02,744 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 18:41:02,744 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 18:41:02,744 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 18:41:02,745 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 18:41:02,745 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 18:41:02,745 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 18:41:02,745 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 18:41:02,745 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 18:41:02,746 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 18:41:02,746 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 18:41:02,746 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 18:41:02,746 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 18:41:02,746 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 18:41:02,747 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 18:41:02,747 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 18:41:02,747 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 18:41:02,747 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 18:41:02,747 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 18:41:02,748 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 18:41:02,807 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 18:41:02,821 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 18:41:02,824 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 18:41:02,826 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 18:41:02,826 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 18:41:02,827 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label40_true-unreach-call_false-termination.c [2018-11-07 18:41:02,893 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cb033c12/2d72ca5fa4f44343bc344ec5652ae8ad/FLAG7b005e72e [2018-11-07 18:41:03,504 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 18:41:03,505 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label40_true-unreach-call_false-termination.c [2018-11-07 18:41:03,523 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cb033c12/2d72ca5fa4f44343bc344ec5652ae8ad/FLAG7b005e72e [2018-11-07 18:41:03,545 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cb033c12/2d72ca5fa4f44343bc344ec5652ae8ad [2018-11-07 18:41:03,559 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 18:41:03,561 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 18:41:03,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 18:41:03,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 18:41:03,567 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 18:41:03,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:41:03" (1/1) ... [2018-11-07 18:41:03,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24f10323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:03, skipping insertion in model container [2018-11-07 18:41:03,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:41:03" (1/1) ... [2018-11-07 18:41:03,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 18:41:03,654 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 18:41:04,128 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:41:04,135 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 18:41:04,239 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:41:04,257 INFO L193 MainTranslator]: Completed translation [2018-11-07 18:41:04,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:04 WrapperNode [2018-11-07 18:41:04,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 18:41:04,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 18:41:04,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 18:41:04,259 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 18:41:04,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:04" (1/1) ... [2018-11-07 18:41:04,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:04" (1/1) ... [2018-11-07 18:41:04,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 18:41:04,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 18:41:04,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 18:41:04,329 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 18:41:04,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:04" (1/1) ... [2018-11-07 18:41:04,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:04" (1/1) ... [2018-11-07 18:41:04,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:04" (1/1) ... [2018-11-07 18:41:04,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:04" (1/1) ... [2018-11-07 18:41:04,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:04" (1/1) ... [2018-11-07 18:41:04,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:04" (1/1) ... [2018-11-07 18:41:04,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:04" (1/1) ... [2018-11-07 18:41:04,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 18:41:04,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 18:41:04,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 18:41:04,428 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 18:41:04,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 18:41:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 18:41:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 18:41:04,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 18:41:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 18:41:04,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 18:41:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 18:41:04,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 18:41:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 18:41:04,589 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 18:41:07,736 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 18:41:07,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:41:07 BoogieIcfgContainer [2018-11-07 18:41:07,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 18:41:07,738 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 18:41:07,738 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 18:41:07,742 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 18:41:07,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:41:03" (1/3) ... [2018-11-07 18:41:07,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2baa6fad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:41:07, skipping insertion in model container [2018-11-07 18:41:07,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:04" (2/3) ... [2018-11-07 18:41:07,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2baa6fad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:41:07, skipping insertion in model container [2018-11-07 18:41:07,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:41:07" (3/3) ... [2018-11-07 18:41:07,747 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label40_true-unreach-call_false-termination.c [2018-11-07 18:41:07,758 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 18:41:07,768 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 18:41:07,787 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 18:41:07,829 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 18:41:07,830 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 18:41:07,830 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 18:41:07,830 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 18:41:07,830 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 18:41:07,831 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 18:41:07,831 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 18:41:07,831 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 18:41:07,859 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-07 18:41:07,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-07 18:41:07,871 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:41:07,873 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] [2018-11-07 18:41:07,875 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:41:07,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:07,883 INFO L82 PathProgramCache]: Analyzing trace with hash 861402336, now seen corresponding path program 1 times [2018-11-07 18:41:07,886 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:41:07,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:07,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:41:07,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:07,941 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:41:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:41:08,469 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:41:08,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:41:08,538 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:41:08,539 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 18:41:08,539 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:41:08,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:41:08,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:41:08,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:41:08,567 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-07 18:41:10,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:41:10,091 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-07 18:41:10,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:41:10,092 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2018-11-07 18:41:10,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:41:10,111 INFO L225 Difference]: With dead ends: 550 [2018-11-07 18:41:10,111 INFO L226 Difference]: Without dead ends: 340 [2018-11-07 18:41:10,118 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:41:10,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-07 18:41:10,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-07 18:41:10,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-07 18:41:10,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 569 transitions. [2018-11-07 18:41:10,194 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 569 transitions. Word has length 94 [2018-11-07 18:41:10,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:41:10,195 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 569 transitions. [2018-11-07 18:41:10,196 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:41:10,196 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 569 transitions. [2018-11-07 18:41:10,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-07 18:41:10,203 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:41:10,203 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:41:10,203 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:41:10,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:10,204 INFO L82 PathProgramCache]: Analyzing trace with hash -461810857, now seen corresponding path program 1 times [2018-11-07 18:41:10,204 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:41:10,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:10,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:41:10,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:10,206 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:41:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:41:10,379 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:41:10,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:41:10,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 18:41:10,380 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:41:10,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 18:41:10,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 18:41:10,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 18:41:10,383 INFO L87 Difference]: Start difference. First operand 340 states and 569 transitions. Second operand 5 states. [2018-11-07 18:41:12,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:41:12,249 INFO L93 Difference]: Finished difference Result 1079 states and 1888 transitions. [2018-11-07 18:41:12,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 18:41:12,252 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2018-11-07 18:41:12,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:41:12,261 INFO L225 Difference]: With dead ends: 1079 [2018-11-07 18:41:12,261 INFO L226 Difference]: Without dead ends: 745 [2018-11-07 18:41:12,272 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 18:41:12,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2018-11-07 18:41:12,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 733. [2018-11-07 18:41:12,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2018-11-07 18:41:12,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1163 transitions. [2018-11-07 18:41:12,340 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1163 transitions. Word has length 104 [2018-11-07 18:41:12,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:41:12,341 INFO L480 AbstractCegarLoop]: Abstraction has 733 states and 1163 transitions. [2018-11-07 18:41:12,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 18:41:12,341 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1163 transitions. [2018-11-07 18:41:12,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-07 18:41:12,347 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:41:12,348 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:41:12,348 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:41:12,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:12,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1700574034, now seen corresponding path program 1 times [2018-11-07 18:41:12,349 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:41:12,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:12,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:41:12,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:12,350 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:41:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:41:12,532 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:41:12,532 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:41:12,532 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:41:12,533 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 131 with the following transitions: [2018-11-07 18:41:12,536 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 18:41:12,587 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:41:12,587 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:41:13,936 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:41:13,938 INFO L272 AbstractInterpreter]: Visited 98 different actions 163 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 18:41:13,981 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:13,981 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:41:14,732 INFO L227 lantSequenceWeakener]: Weakened 127 states. On average, predicates are now at 80.06% of their original sizes. [2018-11-07 18:41:14,732 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:41:15,205 INFO L415 sIntCurrentIteration]: We unified 129 AI predicates to 129 [2018-11-07 18:41:15,205 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:41:15,207 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:41:15,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-07 18:41:15,208 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:41:15,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 18:41:15,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 18:41:15,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-07 18:41:15,210 INFO L87 Difference]: Start difference. First operand 733 states and 1163 transitions. Second operand 11 states. [2018-11-07 18:41:27,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:41:27,097 INFO L93 Difference]: Finished difference Result 2333 states and 3723 transitions. [2018-11-07 18:41:27,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-07 18:41:27,097 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 130 [2018-11-07 18:41:27,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:41:27,107 INFO L225 Difference]: With dead ends: 2333 [2018-11-07 18:41:27,107 INFO L226 Difference]: Without dead ends: 1606 [2018-11-07 18:41:27,112 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 140 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2018-11-07 18:41:27,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2018-11-07 18:41:27,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1579. [2018-11-07 18:41:27,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1579 states. [2018-11-07 18:41:27,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1579 states to 1579 states and 2094 transitions. [2018-11-07 18:41:27,168 INFO L78 Accepts]: Start accepts. Automaton has 1579 states and 2094 transitions. Word has length 130 [2018-11-07 18:41:27,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:41:27,168 INFO L480 AbstractCegarLoop]: Abstraction has 1579 states and 2094 transitions. [2018-11-07 18:41:27,168 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 18:41:27,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1579 states and 2094 transitions. [2018-11-07 18:41:27,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-07 18:41:27,174 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:41:27,174 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:41:27,175 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:41:27,175 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:27,175 INFO L82 PathProgramCache]: Analyzing trace with hash 109773897, now seen corresponding path program 1 times [2018-11-07 18:41:27,175 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:41:27,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:27,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:41:27,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:27,177 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:41:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:41:27,551 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 52 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-07 18:41:27,552 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:41:27,552 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:41:27,552 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 144 with the following transitions: [2018-11-07 18:41:27,553 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 18:41:27,558 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:41:27,558 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:41:28,018 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:41:28,018 INFO L272 AbstractInterpreter]: Visited 99 different actions 166 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 18:41:28,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:28,044 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:41:28,689 INFO L227 lantSequenceWeakener]: Weakened 52 states. On average, predicates are now at 80.77% of their original sizes. [2018-11-07 18:41:28,689 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:41:30,611 INFO L415 sIntCurrentIteration]: We unified 142 AI predicates to 142 [2018-11-07 18:41:30,611 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:41:30,611 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:41:30,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2018-11-07 18:41:30,612 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:41:30,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-07 18:41:30,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-07 18:41:30,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-07 18:41:30,614 INFO L87 Difference]: Start difference. First operand 1579 states and 2094 transitions. Second operand 19 states. [2018-11-07 18:41:47,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:41:47,640 INFO L93 Difference]: Finished difference Result 3437 states and 4621 transitions. [2018-11-07 18:41:47,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-07 18:41:47,640 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 143 [2018-11-07 18:41:47,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:41:47,650 INFO L225 Difference]: With dead ends: 3437 [2018-11-07 18:41:47,650 INFO L226 Difference]: Without dead ends: 2000 [2018-11-07 18:41:47,656 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 154 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=207, Invalid=723, Unknown=0, NotChecked=0, Total=930 [2018-11-07 18:41:47,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2000 states. [2018-11-07 18:41:47,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2000 to 1990. [2018-11-07 18:41:47,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1990 states. [2018-11-07 18:41:47,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1990 states to 1990 states and 2546 transitions. [2018-11-07 18:41:47,718 INFO L78 Accepts]: Start accepts. Automaton has 1990 states and 2546 transitions. Word has length 143 [2018-11-07 18:41:47,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:41:47,719 INFO L480 AbstractCegarLoop]: Abstraction has 1990 states and 2546 transitions. [2018-11-07 18:41:47,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-07 18:41:47,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1990 states and 2546 transitions. [2018-11-07 18:41:47,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-07 18:41:47,724 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:41:47,725 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:41:47,725 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:41:47,725 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:47,726 INFO L82 PathProgramCache]: Analyzing trace with hash -604261450, now seen corresponding path program 1 times [2018-11-07 18:41:47,726 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:41:47,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:47,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:41:47,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:47,727 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:41:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:41:47,897 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 66 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-07 18:41:47,897 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:41:47,897 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:41:47,898 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-11-07 18:41:47,898 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 18:41:47,903 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:41:47,903 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:41:49,706 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 18:41:49,706 INFO L272 AbstractInterpreter]: Visited 101 different actions 577 times. Merged at 9 different actions 57 times. Widened at 1 different actions 2 times. Found 14 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-07 18:41:49,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:49,713 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 18:41:49,713 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:41:49,713 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 18:41:49,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:41:49,735 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 18:41:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:41:49,875 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 18:41:50,179 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-07 18:41:50,180 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 18:41:51,317 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 66 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-07 18:41:51,339 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 18:41:51,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-11-07 18:41:51,340 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 18:41:51,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-07 18:41:51,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-07 18:41:51,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-07 18:41:51,341 INFO L87 Difference]: Start difference. First operand 1990 states and 2546 transitions. Second operand 8 states. [2018-11-07 18:41:56,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:41:56,393 INFO L93 Difference]: Finished difference Result 5759 states and 8248 transitions. [2018-11-07 18:41:56,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-07 18:41:56,394 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 155 [2018-11-07 18:41:56,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:41:56,411 INFO L225 Difference]: With dead ends: 5759 [2018-11-07 18:41:56,411 INFO L226 Difference]: Without dead ends: 2956 [2018-11-07 18:41:56,429 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-11-07 18:41:56,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2956 states. [2018-11-07 18:41:56,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2956 to 2846. [2018-11-07 18:41:56,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2846 states. [2018-11-07 18:41:56,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2846 states and 3454 transitions. [2018-11-07 18:41:56,520 INFO L78 Accepts]: Start accepts. Automaton has 2846 states and 3454 transitions. Word has length 155 [2018-11-07 18:41:56,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:41:56,521 INFO L480 AbstractCegarLoop]: Abstraction has 2846 states and 3454 transitions. [2018-11-07 18:41:56,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-07 18:41:56,521 INFO L276 IsEmpty]: Start isEmpty. Operand 2846 states and 3454 transitions. [2018-11-07 18:41:56,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-07 18:41:56,533 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:41:56,533 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:41:56,533 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:41:56,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:56,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1011492385, now seen corresponding path program 1 times [2018-11-07 18:41:56,534 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:41:56,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:56,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:41:56,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:56,535 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:41:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:41:57,069 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 141 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-07 18:41:57,070 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:41:57,070 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:41:57,070 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 226 with the following transitions: [2018-11-07 18:41:57,071 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [261], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 18:41:57,081 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:41:57,082 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:41:58,100 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:41:58,100 INFO L272 AbstractInterpreter]: Visited 99 different actions 165 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 18:41:58,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:58,139 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:41:59,488 INFO L227 lantSequenceWeakener]: Weakened 117 states. On average, predicates are now at 80.34% of their original sizes. [2018-11-07 18:41:59,489 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:42:01,276 INFO L415 sIntCurrentIteration]: We unified 224 AI predicates to 224 [2018-11-07 18:42:01,276 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:42:01,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:42:01,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [6] total 26 [2018-11-07 18:42:01,277 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:42:01,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-07 18:42:01,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-07 18:42:01,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2018-11-07 18:42:01,278 INFO L87 Difference]: Start difference. First operand 2846 states and 3454 transitions. Second operand 22 states. [2018-11-07 18:42:15,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:42:15,390 INFO L93 Difference]: Finished difference Result 5558 states and 6850 transitions. [2018-11-07 18:42:15,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-07 18:42:15,390 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 225 [2018-11-07 18:42:15,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:42:15,406 INFO L225 Difference]: With dead ends: 5558 [2018-11-07 18:42:15,406 INFO L226 Difference]: Without dead ends: 3265 [2018-11-07 18:42:15,416 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 239 GetRequests, 189 SyntacticMatches, 15 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=330, Invalid=1002, Unknown=0, NotChecked=0, Total=1332 [2018-11-07 18:42:15,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3265 states. [2018-11-07 18:42:15,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3265 to 3122. [2018-11-07 18:42:15,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3122 states. [2018-11-07 18:42:15,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3122 states to 3122 states and 3746 transitions. [2018-11-07 18:42:15,495 INFO L78 Accepts]: Start accepts. Automaton has 3122 states and 3746 transitions. Word has length 225 [2018-11-07 18:42:15,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:42:15,495 INFO L480 AbstractCegarLoop]: Abstraction has 3122 states and 3746 transitions. [2018-11-07 18:42:15,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-07 18:42:15,496 INFO L276 IsEmpty]: Start isEmpty. Operand 3122 states and 3746 transitions. [2018-11-07 18:42:15,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-07 18:42:15,508 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:42:15,509 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:42:15,509 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:42:15,509 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:42:15,510 INFO L82 PathProgramCache]: Analyzing trace with hash -791452258, now seen corresponding path program 1 times [2018-11-07 18:42:15,510 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:42:15,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:42:15,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:42:15,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:42:15,511 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:42:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:42:16,052 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 139 proven. 62 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-07 18:42:16,052 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:42:16,052 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:42:16,053 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 235 with the following transitions: [2018-11-07 18:42:16,053 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [261], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 18:42:16,055 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:42:16,055 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:42:17,315 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 18:42:17,315 INFO L272 AbstractInterpreter]: Visited 101 different actions 479 times. Merged at 9 different actions 48 times. Widened at 1 different actions 1 times. Found 11 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-07 18:42:17,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:42:17,321 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 18:42:17,321 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:42:17,321 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 18:42:17,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:42:17,331 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 18:42:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:42:17,455 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 18:42:17,555 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 126 proven. 2 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-11-07 18:42:17,556 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 18:42:17,754 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 145 proven. 54 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-07 18:42:17,774 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 18:42:17,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-07 18:42:17,774 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 18:42:17,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 18:42:17,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 18:42:17,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-07 18:42:17,776 INFO L87 Difference]: Start difference. First operand 3122 states and 3746 transitions. Second operand 11 states. [2018-11-07 18:42:20,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:42:20,703 INFO L93 Difference]: Finished difference Result 10630 states and 13546 transitions. [2018-11-07 18:42:20,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-07 18:42:20,709 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 234 [2018-11-07 18:42:20,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:42:20,748 INFO L225 Difference]: With dead ends: 10630 [2018-11-07 18:42:20,749 INFO L226 Difference]: Without dead ends: 8061 [2018-11-07 18:42:20,768 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 471 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-11-07 18:42:20,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8061 states. [2018-11-07 18:42:20,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8061 to 7894. [2018-11-07 18:42:20,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7894 states. [2018-11-07 18:42:20,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7894 states to 7894 states and 9586 transitions. [2018-11-07 18:42:20,984 INFO L78 Accepts]: Start accepts. Automaton has 7894 states and 9586 transitions. Word has length 234 [2018-11-07 18:42:20,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:42:20,985 INFO L480 AbstractCegarLoop]: Abstraction has 7894 states and 9586 transitions. [2018-11-07 18:42:20,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 18:42:20,985 INFO L276 IsEmpty]: Start isEmpty. Operand 7894 states and 9586 transitions. [2018-11-07 18:42:21,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-07 18:42:21,015 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:42:21,016 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:42:21,016 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:42:21,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:42:21,016 INFO L82 PathProgramCache]: Analyzing trace with hash 2120815788, now seen corresponding path program 2 times [2018-11-07 18:42:21,016 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:42:21,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:42:21,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:42:21,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:42:21,019 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:42:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:42:21,292 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 139 proven. 64 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-07 18:42:21,292 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:42:21,292 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:42:21,292 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-07 18:42:21,292 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-07 18:42:21,293 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:42:21,293 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 18:42:21,302 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-07 18:42:21,303 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-07 18:42:21,374 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-07 18:42:21,375 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-07 18:42:21,381 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 18:42:21,582 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-07 18:42:21,582 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 18:42:21,719 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-07 18:42:21,739 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:42:21,740 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-11-07 18:42:21,740 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:42:21,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:42:21,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:42:21,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-11-07 18:42:21,741 INFO L87 Difference]: Start difference. First operand 7894 states and 9586 transitions. Second operand 3 states. [2018-11-07 18:42:22,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:42:22,796 INFO L93 Difference]: Finished difference Result 19304 states and 23915 transitions. [2018-11-07 18:42:22,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:42:22,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234 [2018-11-07 18:42:22,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:42:22,800 INFO L225 Difference]: With dead ends: 19304 [2018-11-07 18:42:22,800 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 18:42:22,853 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 477 GetRequests, 469 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-11-07 18:42:22,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 18:42:22,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 18:42:22,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 18:42:22,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 18:42:22,854 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 234 [2018-11-07 18:42:22,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:42:22,854 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 18:42:22,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:42:22,854 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 18:42:22,855 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 18:42:22,860 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 18:42:23,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:23,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:23,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:23,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:23,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:23,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:23,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:23,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:23,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:23,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:23,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:23,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:23,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:23,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:23,457 WARN L179 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 183 [2018-11-07 18:42:23,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:23,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:23,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:23,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:23,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:23,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:23,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:23,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:23,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:23,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:23,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:23,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:23,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:23,778 WARN L179 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 181 [2018-11-07 18:42:24,344 WARN L179 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2018-11-07 18:42:24,768 WARN L179 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 86 [2018-11-07 18:42:27,213 WARN L179 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 406 DAG size of output: 111 [2018-11-07 18:42:27,759 WARN L179 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 89 [2018-11-07 18:42:28,163 WARN L179 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 89 [2018-11-07 18:42:28,166 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:42:28,167 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0)) [2018-11-07 18:42:28,167 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:42:28,167 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 437) no Hoare annotation was computed. [2018-11-07 18:42:28,167 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-07 18:42:28,167 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-07 18:42:28,167 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,168 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,168 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,168 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,168 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,168 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,168 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-07 18:42:28,168 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-07 18:42:28,168 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-07 18:42:28,168 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-07 18:42:28,169 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-07 18:42:28,169 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-07 18:42:28,169 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-07 18:42:28,169 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-07 18:42:28,169 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-07 18:42:28,169 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-07 18:42:28,169 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,169 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,169 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,169 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,170 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,170 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,170 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-07 18:42:28,170 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-07 18:42:28,170 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-07 18:42:28,170 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-07 18:42:28,170 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-07 18:42:28,170 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-07 18:42:28,171 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-07 18:42:28,171 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-07 18:42:28,171 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-07 18:42:28,171 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-07 18:42:28,171 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-07 18:42:28,171 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-07 18:42:28,171 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-07 18:42:28,171 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-07 18:42:28,171 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-11-07 18:42:28,172 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,172 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,172 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,172 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,172 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,172 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-07 18:42:28,172 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-07 18:42:28,172 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-07 18:42:28,172 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-07 18:42:28,172 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-07 18:42:28,173 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-07 18:42:28,173 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-07 18:42:28,173 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-07 18:42:28,173 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-07 18:42:28,173 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,173 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,173 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,173 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,173 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,174 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-07 18:42:28,174 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-07 18:42:28,174 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-07 18:42:28,174 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-07 18:42:28,174 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-07 18:42:28,174 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-07 18:42:28,174 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-07 18:42:28,174 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-07 18:42:28,174 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-07 18:42:28,175 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-07 18:42:28,175 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-07 18:42:28,175 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-07 18:42:28,175 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-07 18:42:28,175 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,175 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,175 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,175 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,175 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,175 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-07 18:42:28,176 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-07 18:42:28,176 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-07 18:42:28,176 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-07 18:42:28,176 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-07 18:42:28,176 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-07 18:42:28,176 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-07 18:42:28,176 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-07 18:42:28,176 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-07 18:42:28,177 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,177 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,177 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,177 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,177 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,177 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,177 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,177 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-07 18:42:28,177 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-07 18:42:28,178 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-07 18:42:28,178 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-07 18:42:28,178 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-07 18:42:28,178 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-07 18:42:28,178 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-07 18:42:28,178 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-07 18:42:28,178 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-07 18:42:28,178 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-07 18:42:28,178 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-07 18:42:28,178 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-07 18:42:28,179 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-07 18:42:28,179 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-07 18:42:28,179 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,179 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,179 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,179 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,179 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,179 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-07 18:42:28,179 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-07 18:42:28,179 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-07 18:42:28,180 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-07 18:42:28,180 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-07 18:42:28,180 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-07 18:42:28,180 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-07 18:42:28,180 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-07 18:42:28,180 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,180 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,180 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,180 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,180 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,181 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-07 18:42:28,181 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-07 18:42:28,181 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-07 18:42:28,181 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-07 18:42:28,181 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-07 18:42:28,181 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-07 18:42:28,181 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-07 18:42:28,181 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-07 18:42:28,181 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-07 18:42:28,182 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-07 18:42:28,182 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse15 (= ~a7~0 |old(~a7~0)|)) (.cse16 (= |old(~a8~0)| ~a8~0)) (.cse17 (= |old(~a20~0)| ~a20~0))) (let ((.cse4 (< 6 |calculate_output_#in~input|)) (.cse9 (< |calculate_output_#in~input| 1)) (.cse1 (= 13 |old(~a8~0)|)) (.cse13 (not (= 0 |old(~a7~0)|))) (.cse5 (not (= 1 |old(~a21~0)|))) (.cse6 (not (= 8 ~a12~0))) (.cse14 (not (= 15 |old(~a8~0)|))) (.cse10 (= ~a21~0 1)) (.cse7 (not (= 1 |old(~a20~0)|))) (.cse2 (not (= 1 |old(~a17~0)|))) (.cse0 (= ~a17~0 1)) (.cse3 (= 6 |old(~a16~0)|)) (.cse11 (and .cse15 .cse16 .cse17)) (.cse12 (< |old(~a20~0)| 1)) (.cse8 (not (= 1 |old(~a7~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2) (or .cse4 (or .cse5 (not (= 4 |old(~a16~0)|)) (not .cse1)) .cse6 .cse2 .cse7 .cse8 .cse9 (= ~a16~0 4)) (or .cse4 .cse5 (< 15 |old(~a8~0)|) .cse6 .cse2 .cse7 (< 5 |old(~a16~0)|) (< |old(~a16~0)| 4) (< 1 |old(~a7~0)|) (< |old(~a8~0)| 13) (and (<= ~a16~0 5) .cse10 (<= 4 ~a16~0)) (< |old(~a7~0)| 0) .cse9) (or .cse11 .cse1) (or .cse3 (not (= ~a16~0 6))) (or .cse0 .cse12 .cse8 .cse2) (or (and .cse10 (= ~a16~0 5)) (or .cse13 .cse5 .cse6 (< |old(~a20~0)| 0) .cse14 (not (= 5 |old(~a16~0)|)) (< 0 |old(~a20~0)|)) .cse2) (or (or .cse13 .cse5 .cse6 (< 1 |old(~a17~0)|) (< |old(~a16~0)| 5) (< 6 |old(~a16~0)|) .cse7 .cse14 (< |old(~a17~0)| 0)) (and (<= 0 ~a17~0) (<= 5 ~a16~0) .cse10 (<= ~a17~0 1) (<= ~a16~0 6))) (or .cse7 .cse2 (and .cse15 .cse16 .cse17 .cse0)) (or .cse3 .cse11) (or (and (= 1 ~a7~0) .cse16 .cse17) .cse12 .cse8)))) [2018-11-07 18:42:28,182 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-07 18:42:28,182 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,182 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,182 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,183 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,183 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,183 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-07 18:42:28,183 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,183 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-07 18:42:28,183 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-07 18:42:28,183 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-07 18:42:28,183 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-07 18:42:28,183 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-07 18:42:28,184 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-07 18:42:28,184 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-07 18:42:28,184 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-07 18:42:28,184 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-07 18:42:28,184 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-07 18:42:28,184 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-07 18:42:28,184 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-07 18:42:28,184 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,184 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,184 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,184 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,185 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,185 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,185 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-07 18:42:28,185 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-07 18:42:28,185 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-07 18:42:28,185 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-07 18:42:28,185 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-07 18:42:28,185 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-07 18:42:28,185 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-07 18:42:28,185 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-07 18:42:28,186 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-07 18:42:28,186 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-07 18:42:28,186 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-07 18:42:28,186 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-07 18:42:28,186 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-07 18:42:28,186 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-07 18:42:28,186 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-07 18:42:28,186 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,186 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,187 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,187 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,187 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,187 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:28,187 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-07 18:42:28,187 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-07 18:42:28,187 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-07 18:42:28,187 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-07 18:42:28,188 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-07 18:42:28,188 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-07 18:42:28,188 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-07 18:42:28,188 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-07 18:42:28,188 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-07 18:42:28,188 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-07 18:42:28,188 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:42:28,188 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~a8~0 15) (= ~z~0 26) (= ~a17~0 1) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~a7~0 0) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~b~0 2) (= ~a~0 1) (= ~a12~0 8) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-07 18:42:28,189 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 18:42:28,189 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:42:28,189 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= ~v~0 22)) (and (= ~a21~0 1) (= |old(~a8~0)| ~a8~0) (= ~a17~0 1) (= ~a7~0 |old(~a7~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= ~u~0 21)) (not (= |old(~a16~0)| 5)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= |old(~a7~0)| 0)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= ~x~0 24)) (not (= |old(~a17~0)| 1)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= |old(~a8~0)| 15)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-11-07 18:42:28,189 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-07 18:42:28,189 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (or (not (= ~a8~0 13)) (not (= ~a16~0 6)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (and (= 1 ~a7~0) (<= 1 ~a20~0)) (not (= ~x~0 24)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) (not (= 0 |old(~a7~0)|)) (and (= |old(~a20~0)| ~a20~0) (= ~a17~0 1)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 1)) (not (= |old(~a8~0)| 15)) (not (= 6 ~f~0))) [2018-11-07 18:42:28,189 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-07 18:42:28,190 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-07 18:42:28,190 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-07 18:42:28,190 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (or (not (= ~a8~0 13)) (not (= ~a16~0 6)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (and (= 1 ~a7~0) (<= 1 ~a20~0)) (not (= ~x~0 24)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) (not (= 0 |old(~a7~0)|)) (and (= |old(~a20~0)| ~a20~0) (= ~a17~0 1)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 1)) (not (= |old(~a8~0)| 15)) (not (= 6 ~f~0))) [2018-11-07 18:42:28,190 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-07 18:42:28,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 06:42:28 BoogieIcfgContainer [2018-11-07 18:42:28,205 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 18:42:28,206 INFO L168 Benchmark]: Toolchain (without parser) took 84645.94 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 3.3 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-11-07 18:42:28,207 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 18:42:28,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.47 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-07 18:42:28,209 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.50 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 67.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -145.5 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2018-11-07 18:42:28,210 INFO L168 Benchmark]: Boogie Preprocessor took 99.10 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 18:42:28,210 INFO L168 Benchmark]: RCFGBuilder took 3309.16 ms. Allocated memory was 1.6 GB in the beginning and 2.4 GB in the end (delta: 804.3 MB). Free memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: -702.4 MB). Peak memory consumption was 118.1 MB. Max. memory is 7.1 GB. [2018-11-07 18:42:28,211 INFO L168 Benchmark]: TraceAbstraction took 80467.08 ms. Allocated memory was 2.4 GB in the beginning and 3.9 GB in the end (delta: 1.5 GB). Free memory was 2.2 GB in the beginning and 3.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-11-07 18:42:28,216 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 695.47 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 69.50 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 67.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -145.5 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.10 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3309.16 ms. Allocated memory was 1.6 GB in the beginning and 2.4 GB in the end (delta: 804.3 MB). Free memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: -702.4 MB). Peak memory consumption was 118.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 80467.08 ms. Allocated memory was 2.4 GB in the beginning and 3.9 GB in the end (delta: 1.5 GB). Free memory was 2.2 GB in the beginning and 3.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 437]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((((((((((((!(a8 == 13) || !(a16 == 6)) || !(\old(a21) == 1)) || !(b == 2)) || !(y == 25)) || (1 == a7 && 1 <= a20)) || !(x == 24)) || !(a12 == 8)) || !(e == 5)) || !(d == 4)) || !(21 == u)) || !(22 == v)) || !(z == 26)) || !(\old(a16) == 5)) || !(0 == \old(a7))) || (\old(a20) == a20 && a17 == 1)) || !(3 == c)) || !(\old(a20) == 1)) || !(23 == w)) || !(a == 1)) || !(\old(a17) == 1)) || !(\old(a8) == 15)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 80.3s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 55.7s AutomataDifference, 0.0s DeadEndRemovalTime, 5.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1125 SDtfs, 10880 SDslu, 1414 SDs, 0 SdLazy, 12160 SolverSat, 2264 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.8s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1870 GetRequests, 1703 SyntacticMatches, 20 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 996 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7894occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.0s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9969620067566153 AbsIntWeakeningRatio, 0.23636363636363636 AbsIntAvgWeakeningVarsNumRemoved, 15.860606060606061 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 469 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 213 PreInvPairs, 415 NumberOfFragments, 674 HoareAnnotationTreeSize, 213 FomulaSimplifications, 11513 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 9034 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 1942 NumberOfCodeBlocks, 1875 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2551 ConstructedInterpolants, 0 QuantifiedInterpolants, 918182 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1568 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 1797/2041 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...