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/Problem11_label53_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 19:39:08,864 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 19:39:08,866 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 19:39:08,879 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 19:39:08,879 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 19:39:08,880 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 19:39:08,882 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 19:39:08,884 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 19:39:08,885 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 19:39:08,886 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 19:39:08,887 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 19:39:08,887 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 19:39:08,888 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 19:39:08,889 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 19:39:08,890 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 19:39:08,891 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 19:39:08,892 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 19:39:08,894 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 19:39:08,896 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 19:39:08,898 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 19:39:08,899 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 19:39:08,900 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 19:39:08,905 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 19:39:08,906 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 19:39:08,906 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 19:39:08,907 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 19:39:08,911 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 19:39:08,912 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 19:39:08,913 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 19:39:08,917 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 19:39:08,917 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 19:39:08,918 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-15 19:39:08,922 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 [2018-09-15 19:39:08,957 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 19:39:08,957 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 19:39:08,959 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 19:39:08,959 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 19:39:08,960 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 19:39:08,960 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 19:39:08,960 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-15 19:39:08,960 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 19:39:08,961 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-15 19:39:08,961 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 19:39:08,961 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 19:39:08,961 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 19:39:08,962 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 19:39:08,963 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 19:39:08,964 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 19:39:08,964 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 19:39:08,964 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 19:39:08,964 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 19:39:08,964 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 19:39:08,965 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 19:39:08,965 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 19:39:08,965 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 19:39:08,965 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 19:39:08,966 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 19:39:08,966 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 19:39:08,966 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 19:39:08,966 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 19:39:08,967 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 19:39:08,967 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 19:39:08,967 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 19:39:08,967 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 19:39:08,967 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 19:39:08,968 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 19:39:08,968 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 19:39:09,016 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 19:39:09,032 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 19:39:09,036 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 19:39:09,038 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 19:39:09,039 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 19:39:09,039 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label53_true-unreach-call.c [2018-09-15 19:39:09,426 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c98534cde/ab1de45beb1e487c8839749a41fc3685/FLAG9ba1b730d [2018-09-15 19:39:09,866 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 19:39:09,867 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label53_true-unreach-call.c [2018-09-15 19:39:09,890 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c98534cde/ab1de45beb1e487c8839749a41fc3685/FLAG9ba1b730d [2018-09-15 19:39:09,920 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c98534cde/ab1de45beb1e487c8839749a41fc3685 [2018-09-15 19:39:09,936 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 19:39:09,940 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 19:39:09,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 19:39:09,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 19:39:09,949 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 19:39:09,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 07:39:09" (1/1) ... [2018-09-15 19:39:09,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a97a4e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:39:09, skipping insertion in model container [2018-09-15 19:39:09,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 07:39:09" (1/1) ... [2018-09-15 19:39:09,972 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 19:39:10,773 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 19:39:10,797 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 19:39:10,988 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 19:39:11,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:39:11 WrapperNode [2018-09-15 19:39:11,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 19:39:11,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 19:39:11,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 19:39:11,084 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 19:39:11,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:39:11" (1/1) ... [2018-09-15 19:39:11,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:39:11" (1/1) ... [2018-09-15 19:39:11,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 19:39:11,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 19:39:11,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 19:39:11,313 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 19:39:11,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:39:11" (1/1) ... [2018-09-15 19:39:11,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:39:11" (1/1) ... [2018-09-15 19:39:11,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:39:11" (1/1) ... [2018-09-15 19:39:11,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:39:11" (1/1) ... [2018-09-15 19:39:11,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:39:11" (1/1) ... [2018-09-15 19:39:11,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:39:11" (1/1) ... [2018-09-15 19:39:11,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:39:11" (1/1) ... [2018-09-15 19:39:11,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 19:39:11,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 19:39:11,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 19:39:11,752 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 19:39:11,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:39:11" (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 [2018-09-15 19:39:11,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 19:39:11,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 19:39:11,843 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 19:39:11,843 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 19:39:11,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 19:39:11,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 19:39:11,844 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 19:39:11,844 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 19:39:17,287 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 19:39:17,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 07:39:17 BoogieIcfgContainer [2018-09-15 19:39:17,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 19:39:17,290 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 19:39:17,290 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 19:39:17,295 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 19:39:17,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 07:39:09" (1/3) ... [2018-09-15 19:39:17,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@377f1d0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 07:39:17, skipping insertion in model container [2018-09-15 19:39:17,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:39:11" (2/3) ... [2018-09-15 19:39:17,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@377f1d0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 07:39:17, skipping insertion in model container [2018-09-15 19:39:17,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 07:39:17" (3/3) ... [2018-09-15 19:39:17,299 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label53_true-unreach-call.c [2018-09-15 19:39:17,310 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 19:39:17,322 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 19:39:17,395 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 19:39:17,396 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 19:39:17,396 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 19:39:17,396 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 19:39:17,397 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 19:39:17,397 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 19:39:17,397 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 19:39:17,397 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 19:39:17,397 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 19:39:17,443 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-09-15 19:39:17,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-15 19:39:17,453 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:39:17,454 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] [2018-09-15 19:39:17,456 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:39:17,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1916491172, now seen corresponding path program 1 times [2018-09-15 19:39:17,464 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:39:17,465 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 55 with the following transitions: [2018-09-15 19:39:17,470 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [333], [335], [1088], [1092], [1098], [1102], [1109], [1110], [1111], [1113] [2018-09-15 19:39:17,549 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:39:17,549 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:39:21,336 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:39:21,338 INFO L272 AbstractInterpreter]: Visited 53 different actions 53 times. Never merged. Never widened. Never found a fixpoint. Largest state had 27 variables. [2018-09-15 19:39:21,355 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:39:22,795 INFO L232 lantSequenceWeakener]: Weakened 52 states. On average, predicates are now at 75.5% of their original sizes. [2018-09-15 19:39:22,796 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:39:23,175 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:39:23,180 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:39:23,181 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 19:39:23,181 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:39:23,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 19:39:23,195 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 19:39:23,196 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 19:39:23,199 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 6 states. [2018-09-15 19:39:31,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:39:31,215 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2018-09-15 19:39:31,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 19:39:31,217 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2018-09-15 19:39:31,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:39:31,238 INFO L225 Difference]: With dead ends: 776 [2018-09-15 19:39:31,238 INFO L226 Difference]: Without dead ends: 481 [2018-09-15 19:39:31,246 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 53 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 19:39:31,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-09-15 19:39:31,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2018-09-15 19:39:31,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-09-15 19:39:31,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 682 transitions. [2018-09-15 19:39:31,332 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 682 transitions. Word has length 54 [2018-09-15 19:39:31,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:39:31,333 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 682 transitions. [2018-09-15 19:39:31,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 19:39:31,333 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 682 transitions. [2018-09-15 19:39:31,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-09-15 19:39:31,342 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:39:31,343 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 19:39:31,343 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:39:31,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1026222291, now seen corresponding path program 1 times [2018-09-15 19:39:31,344 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:39:31,344 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 172 with the following transitions: [2018-09-15 19:39:31,345 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [333], [335], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 19:39:31,355 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:39:31,356 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:39:44,136 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:40:10,607 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:40:10,607 INFO L272 AbstractInterpreter]: Visited 124 different actions 359 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-15 19:40:10,631 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:40:13,653 INFO L232 lantSequenceWeakener]: Weakened 169 states. On average, predicates are now at 73.87% of their original sizes. [2018-09-15 19:40:13,654 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:40:14,744 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:40:14,745 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:40:14,745 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 19:40:14,745 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:40:14,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 19:40:14,747 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 19:40:14,747 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-15 19:40:14,748 INFO L87 Difference]: Start difference. First operand 479 states and 682 transitions. Second operand 12 states. [2018-09-15 19:40:29,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:40:29,217 INFO L93 Difference]: Finished difference Result 959 states and 1545 transitions. [2018-09-15 19:40:29,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 19:40:29,219 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 171 [2018-09-15 19:40:29,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:40:29,227 INFO L225 Difference]: With dead ends: 959 [2018-09-15 19:40:29,227 INFO L226 Difference]: Without dead ends: 676 [2018-09-15 19:40:29,230 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 179 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-09-15 19:40:29,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2018-09-15 19:40:29,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 672. [2018-09-15 19:40:29,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-09-15 19:40:29,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 895 transitions. [2018-09-15 19:40:29,273 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 895 transitions. Word has length 171 [2018-09-15 19:40:29,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:40:29,274 INFO L480 AbstractCegarLoop]: Abstraction has 672 states and 895 transitions. [2018-09-15 19:40:29,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 19:40:29,274 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 895 transitions. [2018-09-15 19:40:29,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-09-15 19:40:29,279 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:40:29,280 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 19:40:29,280 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:40:29,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1319545785, now seen corresponding path program 1 times [2018-09-15 19:40:29,283 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:40:29,283 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-09-15 19:40:29,283 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [333], [335], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 19:40:29,290 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:40:29,291 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:40:57,245 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:41:14,554 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:41:14,555 INFO L272 AbstractInterpreter]: Visited 134 different actions 389 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-15 19:41:14,592 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:41:17,404 INFO L232 lantSequenceWeakener]: Weakened 179 states. On average, predicates are now at 73.82% of their original sizes. [2018-09-15 19:41:17,405 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:41:18,105 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:41:18,106 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:41:18,106 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 19:41:18,106 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:41:18,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 19:41:18,107 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 19:41:18,108 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-15 19:41:18,108 INFO L87 Difference]: Start difference. First operand 672 states and 895 transitions. Second operand 12 states. [2018-09-15 19:41:28,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:41:28,505 INFO L93 Difference]: Finished difference Result 1153 states and 1762 transitions. [2018-09-15 19:41:28,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 19:41:28,507 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 181 [2018-09-15 19:41:28,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:41:28,513 INFO L225 Difference]: With dead ends: 1153 [2018-09-15 19:41:28,514 INFO L226 Difference]: Without dead ends: 870 [2018-09-15 19:41:28,516 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 189 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-09-15 19:41:28,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2018-09-15 19:41:28,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 861. [2018-09-15 19:41:28,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2018-09-15 19:41:28,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1117 transitions. [2018-09-15 19:41:28,559 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1117 transitions. Word has length 181 [2018-09-15 19:41:28,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:41:28,560 INFO L480 AbstractCegarLoop]: Abstraction has 861 states and 1117 transitions. [2018-09-15 19:41:28,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 19:41:28,560 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1117 transitions. [2018-09-15 19:41:28,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-09-15 19:41:28,564 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:41:28,565 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 19:41:28,565 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:41:28,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1295536735, now seen corresponding path program 1 times [2018-09-15 19:41:28,566 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:41:28,566 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 187 with the following transitions: [2018-09-15 19:41:28,567 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [333], [335], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 19:41:28,573 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:41:28,573 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:42:25,859 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:43:06,438 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:43:06,439 INFO L272 AbstractInterpreter]: Visited 139 different actions 404 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-15 19:43:06,445 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:43:11,977 INFO L232 lantSequenceWeakener]: Weakened 184 states. On average, predicates are now at 73.87% of their original sizes. [2018-09-15 19:43:11,977 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:43:14,277 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:43:14,277 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:43:14,277 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2018-09-15 19:43:14,278 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:43:14,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-09-15 19:43:14,279 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-09-15 19:43:14,279 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-09-15 19:43:14,279 INFO L87 Difference]: Start difference. First operand 861 states and 1117 transitions. Second operand 20 states. Received shutdown request... [2018-09-15 19:43:34,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-09-15 19:43:34,906 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 19:43:34,911 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 19:43:34,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 07:43:34 BoogieIcfgContainer [2018-09-15 19:43:34,912 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 19:43:34,912 INFO L168 Benchmark]: Toolchain (without parser) took 264975.77 ms. Allocated memory was 1.5 GB in the beginning and 3.6 GB in the end (delta: 2.1 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -304.7 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-09-15 19:43:34,915 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 19:43:34,915 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1141.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-09-15 19:43:34,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 228.82 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-15 19:43:34,917 INFO L168 Benchmark]: Boogie Preprocessor took 437.02 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 790.6 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -909.3 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. [2018-09-15 19:43:34,918 INFO L168 Benchmark]: RCFGBuilder took 5536.79 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 186.1 MB). Peak memory consumption was 186.1 MB. Max. memory is 7.1 GB. [2018-09-15 19:43:34,919 INFO L168 Benchmark]: TraceAbstraction took 257622.10 ms. Allocated memory was 2.3 GB in the beginning and 3.6 GB in the end (delta: 1.3 GB). Free memory was 2.0 GB in the beginning and 1.7 GB in the end (delta: 333.9 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-09-15 19:43:34,924 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1141.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 228.82 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 437.02 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 790.6 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -909.3 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5536.79 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 186.1 MB). Peak memory consumption was 186.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 257622.10 ms. Allocated memory was 2.3 GB in the beginning and 3.6 GB in the end (delta: 1.3 GB). Free memory was 2.0 GB in the beginning and 1.7 GB in the end (delta: 333.9 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 147]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 147). Cancelled while BasicCegarLoop was constructing difference of abstraction (861states) and FLOYD_HOARE automaton (currently 22 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (1350 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 257.5s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 53.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1102 SDtfs, 6043 SDslu, 1252 SDs, 0 SdLazy, 8777 SolverSat, 960 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 47.5s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 622 GetRequests, 546 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 420 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=861occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 186.3s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9944321236838246 AbsIntWeakeningRatio, 0.141156462585034 AbsIntAvgWeakeningVarsNumRemoved, 48.30952380952381 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 15 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/Problem11_label53_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_19-43-34-938.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label53_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_19-43-34-938.csv Completed graceful shutdown