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_label00_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 10:27:34,857 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 10:27:34,859 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 10:27:34,878 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 10:27:34,879 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 10:27:34,880 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 10:27:34,882 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 10:27:34,884 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 10:27:34,888 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 10:27:34,889 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 10:27:34,891 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 10:27:34,891 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 10:27:34,893 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 10:27:34,894 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 10:27:34,898 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 10:27:34,899 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 10:27:34,900 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 10:27:34,906 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 10:27:34,912 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 10:27:34,913 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 10:27:34,917 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 10:27:34,919 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 10:27:34,924 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 10:27:34,924 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 10:27:34,925 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 10:27:34,927 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 10:27:34,928 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 10:27:34,929 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 10:27:34,930 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 10:27:34,931 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 10:27:34,931 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 10:27:34,934 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 10:27:34,934 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 10:27:34,934 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 10:27:34,935 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 10:27:34,938 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 10:27:34,939 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 10:27:34,965 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 10:27:34,965 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 10:27:34,966 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 10:27:34,966 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 10:27:34,969 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 10:27:34,969 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 10:27:34,969 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 10:27:34,969 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 10:27:34,970 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-19 10:27:34,970 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 10:27:34,970 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 10:27:34,970 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 10:27:34,970 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 10:27:34,971 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 10:27:34,972 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 10:27:34,973 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 10:27:34,973 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 10:27:34,973 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 10:27:34,973 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 10:27:34,973 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 10:27:34,974 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 10:27:34,974 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 10:27:34,974 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 10:27:34,974 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 10:27:34,976 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 10:27:34,976 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 10:27:34,976 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 10:27:34,976 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 10:27:34,976 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 10:27:34,977 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 10:27:34,977 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 10:27:34,977 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 10:27:34,977 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 10:27:34,977 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 10:27:34,978 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 10:27:35,055 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 10:27:35,069 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 10:27:35,075 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 10:27:35,077 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 10:27:35,077 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 10:27:35,078 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label00_true-unreach-call.c [2018-09-19 10:27:35,429 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86153f11f/b31ac804f38148718b041ac10e8aeae3/FLAGe520986ff [2018-09-19 10:27:35,949 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 10:27:35,950 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label00_true-unreach-call.c [2018-09-19 10:27:35,996 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86153f11f/b31ac804f38148718b041ac10e8aeae3/FLAGe520986ff [2018-09-19 10:27:36,021 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86153f11f/b31ac804f38148718b041ac10e8aeae3 [2018-09-19 10:27:36,037 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 10:27:36,042 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 10:27:36,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 10:27:36,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 10:27:36,053 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 10:27:36,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:27:36" (1/1) ... [2018-09-19 10:27:36,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d736107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:27:36, skipping insertion in model container [2018-09-19 10:27:36,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:27:36" (1/1) ... [2018-09-19 10:27:36,071 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 10:27:37,578 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 10:27:37,602 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 10:27:38,421 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 10:27:38,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:27:38 WrapperNode [2018-09-19 10:27:38,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 10:27:38,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 10:27:38,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 10:27:38,767 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 10:27:38,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:27:38" (1/1) ... [2018-09-19 10:27:38,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:27:38" (1/1) ... [2018-09-19 10:27:40,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 10:27:40,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 10:27:40,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 10:27:40,038 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 10:27:40,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:27:38" (1/1) ... [2018-09-19 10:27:40,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:27:38" (1/1) ... [2018-09-19 10:27:40,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:27:38" (1/1) ... [2018-09-19 10:27:40,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:27:38" (1/1) ... [2018-09-19 10:27:40,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:27:38" (1/1) ... [2018-09-19 10:27:40,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:27:38" (1/1) ... [2018-09-19 10:27:40,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:27:38" (1/1) ... [2018-09-19 10:27:40,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 10:27:40,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 10:27:40,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 10:27:40,528 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 10:27:40,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:27:38" (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 10:27:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 10:27:40,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 10:27:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-19 10:27:40,614 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-19 10:27:40,614 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-19 10:27:40,614 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-19 10:27:40,614 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-19 10:27:40,614 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-19 10:27:40,614 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 10:27:40,615 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 10:27:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 10:27:40,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 10:27:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 10:27:40,618 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 10:27:52,481 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 10:27:52,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:27:52 BoogieIcfgContainer [2018-09-19 10:27:52,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 10:27:52,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 10:27:52,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 10:27:52,486 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 10:27:52,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 10:27:36" (1/3) ... [2018-09-19 10:27:52,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44136062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 10:27:52, skipping insertion in model container [2018-09-19 10:27:52,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:27:38" (2/3) ... [2018-09-19 10:27:52,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44136062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 10:27:52, skipping insertion in model container [2018-09-19 10:27:52,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:27:52" (3/3) ... [2018-09-19 10:27:52,490 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label00_true-unreach-call.c [2018-09-19 10:27:52,500 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 10:27:52,511 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 10:27:52,592 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 10:27:52,593 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 10:27:52,593 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 10:27:52,593 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 10:27:52,593 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 10:27:52,593 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 10:27:52,593 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 10:27:52,593 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 10:27:52,594 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 10:27:52,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-09-19 10:27:52,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-19 10:27:52,647 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:27:52,648 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] [2018-09-19 10:27:52,650 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:27:52,655 INFO L82 PathProgramCache]: Analyzing trace with hash -920036068, now seen corresponding path program 1 times [2018-09-19 10:27:52,658 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:27:52,659 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 45 with the following transitions: [2018-09-19 10:27:52,663 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], [2879], [2881], [4242], [4246], [4252], [4256], [4269], [4270], [4271], [4273] [2018-09-19 10:27:52,728 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:27:52,729 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:27:54,257 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:27:54,259 INFO L272 AbstractInterpreter]: Visited 43 different actions 43 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-09-19 10:27:54,271 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:27:54,916 INFO L232 lantSequenceWeakener]: Weakened 42 states. On average, predicates are now at 73.05% of their original sizes. [2018-09-19 10:27:54,916 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:27:55,281 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:27:55,283 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:27:55,284 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 10:27:55,284 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:27:55,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 10:27:55,296 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 10:27:55,297 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 10:27:55,300 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 6 states. [2018-09-19 10:28:25,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:28:25,704 INFO L93 Difference]: Finished difference Result 3044 states and 5648 transitions. [2018-09-19 10:28:25,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 10:28:25,709 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2018-09-19 10:28:25,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:28:25,749 INFO L225 Difference]: With dead ends: 3044 [2018-09-19 10:28:25,749 INFO L226 Difference]: Without dead ends: 1922 [2018-09-19 10:28:25,762 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 43 GetRequests, 39 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 10:28:25,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1922 states. [2018-09-19 10:28:25,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1922 to 1920. [2018-09-19 10:28:25,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1920 states. [2018-09-19 10:28:25,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1920 states and 2831 transitions. [2018-09-19 10:28:25,933 INFO L78 Accepts]: Start accepts. Automaton has 1920 states and 2831 transitions. Word has length 44 [2018-09-19 10:28:25,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:28:25,934 INFO L480 AbstractCegarLoop]: Abstraction has 1920 states and 2831 transitions. [2018-09-19 10:28:25,934 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 10:28:25,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2831 transitions. [2018-09-19 10:28:25,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-09-19 10:28:25,942 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:28:25,942 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:28:25,943 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:28:25,943 INFO L82 PathProgramCache]: Analyzing trace with hash -2037550480, now seen corresponding path program 1 times [2018-09-19 10:28:25,943 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:28:25,943 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2018-09-19 10:28:25,944 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], [2879], [2881], [2884], [2892], [2900], [2908], [2916], [2924], [2932], [2940], [2948], [2956], [2964], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [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 10:28:25,952 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:28:25,953 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:28:39,166 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:28:39,167 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 10:28:39,176 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:28:40,816 INFO L232 lantSequenceWeakener]: Weakened 143 states. On average, predicates are now at 71.54% of their original sizes. [2018-09-19 10:28:40,816 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:28:41,809 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:28:41,809 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:28:41,810 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 10:28:41,810 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:28:41,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 10:28:41,812 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 10:28:41,812 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 10:28:41,813 INFO L87 Difference]: Start difference. First operand 1920 states and 2831 transitions. Second operand 10 states. [2018-09-19 10:29:39,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:29:39,905 INFO L93 Difference]: Finished difference Result 3841 states and 6447 transitions. [2018-09-19 10:29:39,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 10:29:39,906 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 145 [2018-09-19 10:29:39,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:29:39,920 INFO L225 Difference]: With dead ends: 3841 [2018-09-19 10:29:39,921 INFO L226 Difference]: Without dead ends: 2731 [2018-09-19 10:29:39,926 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 151 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-19 10:29:39,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2731 states. [2018-09-19 10:29:40,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2731 to 2726. [2018-09-19 10:29:40,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2726 states. [2018-09-19 10:29:40,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3662 transitions. [2018-09-19 10:29:40,016 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3662 transitions. Word has length 145 [2018-09-19 10:29:40,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:29:40,017 INFO L480 AbstractCegarLoop]: Abstraction has 2726 states and 3662 transitions. [2018-09-19 10:29:40,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 10:29:40,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3662 transitions. [2018-09-19 10:29:40,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-09-19 10:29:40,024 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:29:40,027 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:40,027 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:29:40,028 INFO L82 PathProgramCache]: Analyzing trace with hash 2003986425, now seen corresponding path program 1 times [2018-09-19 10:29:40,028 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:29:40,028 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-09-19 10:29:40,031 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], [2879], [2881], [2884], [2892], [2900], [2908], [2916], [2924], [2932], [2940], [2948], [2956], [2964], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [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 10:29:40,037 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:29:40,037 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:29:50,293 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:29:55,681 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:29:55,682 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 10:29:55,690 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:29:57,162 INFO L232 lantSequenceWeakener]: Weakened 172 states. On average, predicates are now at 71.42% of their original sizes. [2018-09-19 10:29:57,162 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:29:57,911 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:29:57,911 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:29:57,911 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-19 10:29:57,911 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:29:57,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-19 10:29:57,913 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-19 10:29:57,913 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-19 10:29:57,913 INFO L87 Difference]: Start difference. First operand 2726 states and 3662 transitions. Second operand 12 states. [2018-09-19 10:31:10,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:31:10,298 INFO L93 Difference]: Finished difference Result 4973 states and 7924 transitions. [2018-09-19 10:31:10,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 10:31:10,299 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 174 [2018-09-19 10:31:10,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:31:10,317 INFO L225 Difference]: With dead ends: 4973 [2018-09-19 10:31:10,317 INFO L226 Difference]: Without dead ends: 3863 [2018-09-19 10:31:10,322 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 183 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=108, Invalid=354, Unknown=0, NotChecked=0, Total=462 [2018-09-19 10:31:10,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3863 states. [2018-09-19 10:31:10,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3863 to 3540. [2018-09-19 10:31:10,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3540 states. [2018-09-19 10:31:10,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3540 states to 3540 states and 4496 transitions. [2018-09-19 10:31:10,432 INFO L78 Accepts]: Start accepts. Automaton has 3540 states and 4496 transitions. Word has length 174 [2018-09-19 10:31:10,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:31:10,433 INFO L480 AbstractCegarLoop]: Abstraction has 3540 states and 4496 transitions. [2018-09-19 10:31:10,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-19 10:31:10,433 INFO L276 IsEmpty]: Start isEmpty. Operand 3540 states and 4496 transitions. [2018-09-19 10:31:10,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-09-19 10:31:10,441 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:31:10,441 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, 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] [2018-09-19 10:31:10,442 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:31:10,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1812176772, now seen corresponding path program 1 times [2018-09-19 10:31:10,442 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:31:10,442 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 240 with the following transitions: [2018-09-19 10:31:10,443 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], [2879], [2881], [2884], [2892], [2900], [2908], [2916], [2924], [2932], [2940], [2948], [2956], [2964], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [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 10:31:10,455 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:31:10,455 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:31:18,002 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:31:26,090 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:31:26,090 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 10:31:26,099 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:31:27,636 INFO L232 lantSequenceWeakener]: Weakened 237 states. On average, predicates are now at 71.3% of their original sizes. [2018-09-19 10:31:27,637 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:31:28,023 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:31:28,023 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:31:28,024 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 10:31:28,024 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:31:28,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 10:31:28,025 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 10:31:28,025 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 10:31:28,025 INFO L87 Difference]: Start difference. First operand 3540 states and 4496 transitions. Second operand 10 states. Received shutdown request... [2018-09-19 10:31:50,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 10:31:50,855 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 10:31:50,859 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 10:31:50,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 10:31:50 BoogieIcfgContainer [2018-09-19 10:31:50,860 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 10:31:50,860 INFO L168 Benchmark]: Toolchain (without parser) took 254823.33 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 2.1 GB in the end (delta: -744.8 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-09-19 10:31:50,863 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. [2018-09-19 10:31:50,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2722.03 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: 327.7 MB). Peak memory consumption was 327.7 MB. Max. memory is 7.1 GB. [2018-09-19 10:31:50,864 INFO L168 Benchmark]: Boogie Procedure Inliner took 1270.95 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 984.6 MB). Free memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 189.8 MB. Max. memory is 7.1 GB. [2018-09-19 10:31:50,865 INFO L168 Benchmark]: Boogie Preprocessor took 489.50 ms. Allocated memory is still 2.5 GB. Free memory was 2.4 GB in the beginning and 2.3 GB in the end (delta: 56.8 MB). Peak memory consumption was 56.8 MB. Max. memory is 7.1 GB. [2018-09-19 10:31:50,866 INFO L168 Benchmark]: RCFGBuilder took 11954.51 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 163.6 MB). Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: -27.2 MB). Peak memory consumption was 739.8 MB. Max. memory is 7.1 GB. [2018-09-19 10:31:50,867 INFO L168 Benchmark]: TraceAbstraction took 238377.34 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 2.1 GB in the end (delta: 196.4 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-09-19 10:31:50,872 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 2722.03 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: 327.7 MB). Peak memory consumption was 327.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 1270.95 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 984.6 MB). Free memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 189.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 489.50 ms. Allocated memory is still 2.5 GB. Free memory was 2.4 GB in the beginning and 2.3 GB in the end (delta: 56.8 MB). Peak memory consumption was 56.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11954.51 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 163.6 MB). Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: -27.2 MB). Peak memory consumption was 739.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 238377.34 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 2.1 GB in the end (delta: 196.4 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 123]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 123). Cancelled while BasicCegarLoop was constructing difference of abstraction (3540states) and FLOYD_HOARE automaton (currently 14 states, 10 states before enhancement), while ReachableStatesComputation was computing reachable states (3650 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 238.2s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 183.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4465 SDtfs, 8919 SDslu, 4031 SDs, 0 SdLazy, 43976 SolverSat, 3090 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 169.9s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 622 GetRequests, 568 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3540occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 46.1s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9940311722836802 AbsIntWeakeningRatio, 0.14046822742474915 AbsIntAvgWeakeningVarsNumRemoved, 1025.6989966555184 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 330 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_label00_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_10-31-50-887.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label00_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_10-31-50-887.csv Completed graceful shutdown