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 --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label42_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 10:35:08,610 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 10:35:08,613 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 10:35:08,628 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 10:35:08,629 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 10:35:08,630 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 10:35:08,631 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 10:35:08,633 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 10:35:08,635 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 10:35:08,636 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 10:35:08,636 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 10:35:08,637 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 10:35:08,638 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 10:35:08,639 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 10:35:08,640 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 10:35:08,641 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 10:35:08,642 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 10:35:08,644 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 10:35:08,646 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 10:35:08,647 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 10:35:08,649 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 10:35:08,650 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 10:35:08,652 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 10:35:08,653 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 10:35:08,653 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 10:35:08,654 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 10:35:08,655 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 10:35:08,656 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 10:35:08,657 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 10:35:08,658 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 10:35:08,659 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 10:35:08,660 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 10:35:08,660 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 10:35:08,660 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 10:35:08,661 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 10:35:08,662 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 10:35:08,662 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-09-19 10:35:08,678 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 10:35:08,678 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 10:35:08,679 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 10:35:08,680 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 10:35:08,680 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 10:35:08,680 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 10:35:08,680 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 10:35:08,681 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 10:35:08,681 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-19 10:35:08,681 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 10:35:08,681 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 10:35:08,681 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 10:35:08,682 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 10:35:08,682 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 10:35:08,682 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 10:35:08,683 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 10:35:08,683 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 10:35:08,683 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 10:35:08,683 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 10:35:08,683 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 10:35:08,684 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 10:35:08,684 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 10:35:08,684 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 10:35:08,684 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 10:35:08,684 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 10:35:08,685 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 10:35:08,685 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 10:35:08,685 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 10:35:08,685 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 10:35:08,685 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 10:35:08,686 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 10:35:08,686 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 10:35:08,686 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 10:35:08,686 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 10:35:08,686 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 10:35:08,730 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 10:35:08,743 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 10:35:08,749 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 10:35:08,751 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 10:35:08,751 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 10:35:08,752 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label42_true-unreach-call.c [2018-09-19 10:35:09,126 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3e75d104/d1c38093f9ac47d1973fc142149e73b1/FLAG2da2490d8 [2018-09-19 10:35:09,657 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 10:35:09,658 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label42_true-unreach-call.c [2018-09-19 10:35:09,697 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3e75d104/d1c38093f9ac47d1973fc142149e73b1/FLAG2da2490d8 [2018-09-19 10:35:09,715 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3e75d104/d1c38093f9ac47d1973fc142149e73b1 [2018-09-19 10:35:09,730 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 10:35:09,734 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 10:35:09,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 10:35:09,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 10:35:09,743 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 10:35:09,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:35:09" (1/1) ... [2018-09-19 10:35:09,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77eb0580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:35:09, skipping insertion in model container [2018-09-19 10:35:09,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:35:09" (1/1) ... [2018-09-19 10:35:09,762 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 10:35:11,251 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 10:35:11,273 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 10:35:12,067 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 10:35:12,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:35:12 WrapperNode [2018-09-19 10:35:12,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 10:35:12,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 10:35:12,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 10:35:12,501 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 10:35:12,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:35:12" (1/1) ... [2018-09-19 10:35:12,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:35:12" (1/1) ... [2018-09-19 10:35:12,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 10:35:12,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 10:35:12,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 10:35:12,835 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 10:35:13,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:35:12" (1/1) ... [2018-09-19 10:35:13,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:35:12" (1/1) ... [2018-09-19 10:35:13,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:35:12" (1/1) ... [2018-09-19 10:35:13,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:35:12" (1/1) ... [2018-09-19 10:35:13,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:35:12" (1/1) ... [2018-09-19 10:35:14,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:35:12" (1/1) ... [2018-09-19 10:35:14,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:35:12" (1/1) ... [2018-09-19 10:35:14,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 10:35:14,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 10:35:14,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 10:35:14,320 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 10:35:14,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:35:12" (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 [2018-09-19 10:35:14,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 10:35:14,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 10:35:14,398 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-19 10:35:14,398 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-19 10:35:14,398 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-19 10:35:14,399 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-19 10:35:14,399 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-19 10:35:14,399 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-19 10:35:14,399 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 10:35:14,399 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 10:35:14,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 10:35:14,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 10:35:14,400 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 10:35:14,400 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 10:35:26,799 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 10:35:26,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:35:26 BoogieIcfgContainer [2018-09-19 10:35:26,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 10:35:26,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 10:35:26,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 10:35:26,805 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 10:35:26,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 10:35:09" (1/3) ... [2018-09-19 10:35:26,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c0bced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 10:35:26, skipping insertion in model container [2018-09-19 10:35:26,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:35:12" (2/3) ... [2018-09-19 10:35:26,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c0bced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 10:35:26, skipping insertion in model container [2018-09-19 10:35:26,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:35:26" (3/3) ... [2018-09-19 10:35:26,809 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label42_true-unreach-call.c [2018-09-19 10:35:26,818 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 10:35:26,827 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 10:35:26,889 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 10:35:26,890 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 10:35:26,890 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 10:35:26,891 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 10:35:26,891 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 10:35:26,891 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 10:35:26,891 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 10:35:26,891 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 10:35:26,891 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 10:35:26,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-09-19 10:35:26,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-19 10:35:26,944 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:35:26,945 INFO L376 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] [2018-09-19 10:35:26,947 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:35:26,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1770921932, now seen corresponding path program 1 times [2018-09-19 10:35:26,956 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:35:26,957 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 73 with the following transitions: [2018-09-19 10:35:26,960 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3011], [3019], [3027], [3035], [3043], [3051], [3059], [3067], [3075], [3083], [3091], [3099], [3103], [3105], [4242], [4246], [4252], [4256], [4269], [4270], [4271], [4273] [2018-09-19 10:35:27,027 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:35:27,027 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:35:29,228 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:35:29,230 INFO L272 AbstractInterpreter]: Visited 71 different actions 71 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-09-19 10:35:29,242 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:35:30,264 INFO L232 lantSequenceWeakener]: Weakened 70 states. On average, predicates are now at 73.83% of their original sizes. [2018-09-19 10:35:30,264 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:35:30,651 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:35:30,653 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:35:30,654 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 10:35:30,654 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:35:30,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 10:35:30,666 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 10:35:30,667 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 10:35:30,670 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 6 states. [2018-09-19 10:35:52,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:35:52,312 INFO L93 Difference]: Finished difference Result 3044 states and 5648 transitions. [2018-09-19 10:35:52,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 10:35:52,314 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 72 [2018-09-19 10:35:52,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:35:52,351 INFO L225 Difference]: With dead ends: 3044 [2018-09-19 10:35:52,352 INFO L226 Difference]: Without dead ends: 1922 [2018-09-19 10:35:52,361 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 71 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 10:35:52,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1922 states. [2018-09-19 10:35:52,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1922 to 1920. [2018-09-19 10:35:52,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1920 states. [2018-09-19 10:35:52,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1920 states and 2831 transitions. [2018-09-19 10:35:52,531 INFO L78 Accepts]: Start accepts. Automaton has 1920 states and 2831 transitions. Word has length 72 [2018-09-19 10:35:52,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:35:52,533 INFO L480 AbstractCegarLoop]: Abstraction has 1920 states and 2831 transitions. [2018-09-19 10:35:52,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 10:35:52,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2831 transitions. [2018-09-19 10:35:52,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-09-19 10:35:52,546 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:35:52,546 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:35:52,547 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:35:52,548 INFO L82 PathProgramCache]: Analyzing trace with hash -901525280, now seen corresponding path program 1 times [2018-09-19 10:35:52,548 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:35:52,548 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 174 with the following transitions: [2018-09-19 10:35:52,549 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3011], [3019], [3027], [3035], [3043], [3051], [3059], [3067], [3075], [3083], [3091], [3099], [3103], [3105], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3265], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-09-19 10:35:52,561 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:35:52,561 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:36:03,562 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:36:03,562 INFO L272 AbstractInterpreter]: Visited 108 different actions 311 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-19 10:36:03,573 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:36:05,156 INFO L232 lantSequenceWeakener]: Weakened 171 states. On average, predicates are now at 72.11% of their original sizes. [2018-09-19 10:36:05,157 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:36:05,821 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:36:05,822 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:36:05,822 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 10:36:05,822 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:36:05,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 10:36:05,824 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 10:36:05,824 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 10:36:05,824 INFO L87 Difference]: Start difference. First operand 1920 states and 2831 transitions. Second operand 10 states. [2018-09-19 10:36:51,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:36:51,074 INFO L93 Difference]: Finished difference Result 3841 states and 6447 transitions. [2018-09-19 10:36:51,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 10:36:51,075 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 173 [2018-09-19 10:36:51,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:36:51,090 INFO L225 Difference]: With dead ends: 3841 [2018-09-19 10:36:51,090 INFO L226 Difference]: Without dead ends: 2731 [2018-09-19 10:36:51,096 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 179 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-19 10:36:51,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2731 states. [2018-09-19 10:36:51,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2731 to 2726. [2018-09-19 10:36:51,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2726 states. [2018-09-19 10:36:51,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3662 transitions. [2018-09-19 10:36:51,171 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3662 transitions. Word has length 173 [2018-09-19 10:36:51,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:36:51,172 INFO L480 AbstractCegarLoop]: Abstraction has 2726 states and 3662 transitions. [2018-09-19 10:36:51,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 10:36:51,172 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3662 transitions. [2018-09-19 10:36:51,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-09-19 10:36:51,177 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:36:51,177 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:36:51,178 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:36:51,178 INFO L82 PathProgramCache]: Analyzing trace with hash -721378455, now seen corresponding path program 1 times [2018-09-19 10:36:51,178 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:36:51,178 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 203 with the following transitions: [2018-09-19 10:36:51,179 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3011], [3019], [3027], [3035], [3043], [3051], [3059], [3067], [3075], [3083], [3091], [3099], [3103], [3105], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3266], [3270], [3274], [3278], [3282], [3286], [3290], [3294], [3305], [3309], [3313], [3317], [3321], [3325], [3329], [3333], [3344], [3355], [3366], [3370], [3374], [3378], [3382], [3386], [3390], [3394], [3398], [3402], [3406], [3409], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-09-19 10:36:51,184 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:36:51,184 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:37:00,848 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:37:05,372 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:37:05,373 INFO L272 AbstractInterpreter]: Visited 137 different actions 398 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-19 10:37:05,380 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:37:07,167 INFO L232 lantSequenceWeakener]: Weakened 200 states. On average, predicates are now at 71.92% of their original sizes. [2018-09-19 10:37:07,168 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:37:08,322 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:37:08,323 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:37:08,323 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-19 10:37:08,323 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:37:08,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-19 10:37:08,324 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-19 10:37:08,325 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-09-19 10:37:08,325 INFO L87 Difference]: Start difference. First operand 2726 states and 3662 transitions. Second operand 13 states. [2018-09-19 10:38:31,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:38:31,672 INFO L93 Difference]: Finished difference Result 5542 states and 9047 transitions. [2018-09-19 10:38:31,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-09-19 10:38:31,674 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 202 [2018-09-19 10:38:31,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:38:31,695 INFO L225 Difference]: With dead ends: 5542 [2018-09-19 10:38:31,695 INFO L226 Difference]: Without dead ends: 4432 [2018-09-19 10:38:31,701 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 214 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2018-09-19 10:38:31,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4432 states. [2018-09-19 10:38:31,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4432 to 4345. [2018-09-19 10:38:31,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4345 states. [2018-09-19 10:38:31,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4345 states to 4345 states and 5317 transitions. [2018-09-19 10:38:31,829 INFO L78 Accepts]: Start accepts. Automaton has 4345 states and 5317 transitions. Word has length 202 [2018-09-19 10:38:31,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:38:31,830 INFO L480 AbstractCegarLoop]: Abstraction has 4345 states and 5317 transitions. [2018-09-19 10:38:31,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-19 10:38:31,830 INFO L276 IsEmpty]: Start isEmpty. Operand 4345 states and 5317 transitions. [2018-09-19 10:38:31,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-09-19 10:38:31,836 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:38:31,837 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:38:31,837 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:38:31,837 INFO L82 PathProgramCache]: Analyzing trace with hash 278608684, now seen corresponding path program 1 times [2018-09-19 10:38:31,838 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:38:31,838 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 268 with the following transitions: [2018-09-19 10:38:31,838 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3011], [3019], [3027], [3035], [3043], [3051], [3059], [3067], [3075], [3083], [3091], [3099], [3103], [3105], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3237], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3265], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-09-19 10:38:31,843 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:38:31,843 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:38:37,961 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:38:45,088 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:38:45,088 INFO L272 AbstractInterpreter]: Visited 109 different actions 423 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-19 10:38:45,093 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:38:47,347 INFO L232 lantSequenceWeakener]: Weakened 265 states. On average, predicates are now at 71.69% of their original sizes. [2018-09-19 10:38:47,348 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:38:47,723 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:38:47,723 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:38:47,723 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 10:38:47,723 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:38:47,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 10:38:47,724 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 10:38:47,724 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 10:38:47,725 INFO L87 Difference]: Start difference. First operand 4345 states and 5317 transitions. Second operand 10 states. Received shutdown request... [2018-09-19 10:39:21,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 10:39:21,776 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 10:39:21,784 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 10:39:21,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 10:39:21 BoogieIcfgContainer [2018-09-19 10:39:21,785 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 10:39:21,786 INFO L168 Benchmark]: Toolchain (without parser) took 252054.57 ms. Allocated memory was 1.5 GB in the beginning and 4.3 GB in the end (delta: 2.8 GB). Free memory was 1.4 GB in the beginning and 3.3 GB in the end (delta: -1.9 GB). Peak memory consumption was 890.1 MB. Max. memory is 7.1 GB. [2018-09-19 10:39:21,787 INFO L168 Benchmark]: CDTParser took 1.38 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. [2018-09-19 10:39:21,788 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2764.98 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 339.3 MB). Peak memory consumption was 339.3 MB. Max. memory is 7.1 GB. [2018-09-19 10:39:21,789 INFO L168 Benchmark]: Boogie Procedure Inliner took 333.51 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-19 10:39:21,790 INFO L168 Benchmark]: Boogie Preprocessor took 1484.39 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 998.2 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. [2018-09-19 10:39:21,791 INFO L168 Benchmark]: RCFGBuilder took 12481.34 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 163.1 MB). Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: -5.0 MB). Peak memory consumption was 751.3 MB. Max. memory is 7.1 GB. [2018-09-19 10:39:21,793 INFO L168 Benchmark]: TraceAbstraction took 234983.32 ms. Allocated memory was 2.7 GB in the beginning and 4.3 GB in the end (delta: 1.6 GB). Free memory was 2.3 GB in the beginning and 3.3 GB in the end (delta: -960.1 MB). Peak memory consumption was 663.6 MB. Max. memory is 7.1 GB. [2018-09-19 10:39:21,798 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.38 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 2764.98 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 339.3 MB). Peak memory consumption was 339.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 333.51 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1484.39 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 998.2 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 12481.34 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 163.1 MB). Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: -5.0 MB). Peak memory consumption was 751.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 234983.32 ms. Allocated memory was 2.7 GB in the beginning and 4.3 GB in the end (delta: 1.6 GB). Free memory was 2.3 GB in the beginning and 3.3 GB in the end (delta: -960.1 MB). Peak memory consumption was 663.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 207]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 207). Cancelled while BasicCegarLoop was constructing difference of abstraction (4345states) and FLOYD_HOARE automaton (currently 14 states, 10 states before enhancement), while ReachableStatesComputation was computing reachable states (3900 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 234.9s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 184.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4404 SDtfs, 8825 SDslu, 3888 SDs, 0 SdLazy, 43088 SolverSat, 3567 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 170.3s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 737 GetRequests, 679 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4345occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 40.7s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9949727338389308 AbsIntWeakeningRatio, 0.11830985915492957 AbsIntAvgWeakeningVarsNumRemoved, 1034.2647887323944 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 94 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label42_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_10-39-21-813.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label42_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_10-39-21-813.csv Completed graceful shutdown