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_label20_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 10:31:22,961 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 10:31:22,963 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 10:31:22,979 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 10:31:22,980 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 10:31:22,981 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 10:31:22,984 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 10:31:22,987 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 10:31:22,990 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 10:31:22,991 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 10:31:22,993 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 10:31:22,993 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 10:31:22,994 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 10:31:22,995 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 10:31:22,996 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 10:31:23,005 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 10:31:23,006 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 10:31:23,011 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 10:31:23,016 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 10:31:23,017 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 10:31:23,018 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 10:31:23,022 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 10:31:23,025 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 10:31:23,025 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 10:31:23,025 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 10:31:23,026 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 10:31:23,030 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 10:31:23,031 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 10:31:23,032 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 10:31:23,033 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 10:31:23,033 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 10:31:23,036 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-19 10:31:23,041 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 10:31:23,057 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 10:31:23,057 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 10:31:23,058 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 10:31:23,058 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 10:31:23,059 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 10:31:23,059 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 10:31:23,059 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 10:31:23,059 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 10:31:23,059 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-19 10:31:23,060 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 10:31:23,060 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 10:31:23,060 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 10:31:23,060 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 10:31:23,061 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 10:31:23,061 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 10:31:23,061 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 10:31:23,061 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 10:31:23,062 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 10:31:23,062 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 10:31:23,062 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 10:31:23,062 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 10:31:23,064 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 10:31:23,065 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 10:31:23,065 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 10:31:23,065 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 10:31:23,065 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 10:31:23,065 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 10:31:23,066 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 10:31:23,066 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 10:31:23,066 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 10:31:23,066 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 10:31:23,067 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 10:31:23,067 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 10:31:23,067 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 10:31:23,067 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 10:31:23,138 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 10:31:23,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 10:31:23,161 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 10:31:23,163 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 10:31:23,164 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 10:31:23,164 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label20_true-unreach-call.c [2018-09-19 10:31:23,520 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1dc9a905/53c1e070150d4633b139d4b292f6da1f/FLAG630dcad10 [2018-09-19 10:31:24,061 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 10:31:24,062 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label20_true-unreach-call.c [2018-09-19 10:31:24,113 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1dc9a905/53c1e070150d4633b139d4b292f6da1f/FLAG630dcad10 [2018-09-19 10:31:24,136 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1dc9a905/53c1e070150d4633b139d4b292f6da1f [2018-09-19 10:31:24,149 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 10:31:24,152 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 10:31:24,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 10:31:24,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 10:31:24,163 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 10:31:24,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:31:24" (1/1) ... [2018-09-19 10:31:24,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a2763a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:31:24, skipping insertion in model container [2018-09-19 10:31:24,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:31:24" (1/1) ... [2018-09-19 10:31:24,182 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 10:31:25,763 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 10:31:25,784 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 10:31:26,575 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 10:31:26,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:31:26 WrapperNode [2018-09-19 10:31:26,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 10:31:26,971 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 10:31:26,971 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 10:31:26,971 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 10:31:26,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:31:26" (1/1) ... [2018-09-19 10:31:27,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:31:26" (1/1) ... [2018-09-19 10:31:27,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 10:31:27,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 10:31:27,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 10:31:27,318 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 10:31:28,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:31:26" (1/1) ... [2018-09-19 10:31:28,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:31:26" (1/1) ... [2018-09-19 10:31:28,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:31:26" (1/1) ... [2018-09-19 10:31:28,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:31:26" (1/1) ... [2018-09-19 10:31:28,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:31:26" (1/1) ... [2018-09-19 10:31:28,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:31:26" (1/1) ... [2018-09-19 10:31:28,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:31:26" (1/1) ... [2018-09-19 10:31:28,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 10:31:28,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 10:31:28,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 10:31:28,715 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 10:31:28,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:31:26" (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 10:31:28,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 10:31:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 10:31:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-19 10:31:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-19 10:31:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-19 10:31:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-19 10:31:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-19 10:31:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-19 10:31:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 10:31:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 10:31:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 10:31:28,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 10:31:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 10:31:28,780 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 10:31:38,822 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 10:31:38,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:31:38 BoogieIcfgContainer [2018-09-19 10:31:38,823 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 10:31:38,824 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 10:31:38,824 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 10:31:38,828 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 10:31:38,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 10:31:24" (1/3) ... [2018-09-19 10:31:38,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2ecf10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 10:31:38, skipping insertion in model container [2018-09-19 10:31:38,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:31:26" (2/3) ... [2018-09-19 10:31:38,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2ecf10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 10:31:38, skipping insertion in model container [2018-09-19 10:31:38,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:31:38" (3/3) ... [2018-09-19 10:31:38,831 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label20_true-unreach-call.c [2018-09-19 10:31:38,841 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 10:31:38,851 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 10:31:38,923 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 10:31:38,924 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 10:31:38,924 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 10:31:38,925 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 10:31:38,925 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 10:31:38,925 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 10:31:38,925 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 10:31:38,925 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 10:31:38,925 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 10:31:38,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-09-19 10:31:38,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-19 10:31:38,988 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:31:38,989 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:31:38,991 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:31:38,996 INFO L82 PathProgramCache]: Analyzing trace with hash -113256892, now seen corresponding path program 1 times [2018-09-19 10:31:38,999 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:31:39,000 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 63 with the following transitions: [2018-09-19 10:31:39,003 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3011], [3019], [3023], [3025], [4242], [4246], [4252], [4256], [4269], [4270], [4271], [4273] [2018-09-19 10:31:39,071 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:31:39,071 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:31:41,217 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:31:41,219 INFO L272 AbstractInterpreter]: Visited 61 different actions 61 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-09-19 10:31:41,235 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:31:42,006 INFO L232 lantSequenceWeakener]: Weakened 60 states. On average, predicates are now at 73.64% of their original sizes. [2018-09-19 10:31:42,006 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:31:42,364 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:31:42,368 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:31:42,369 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 10:31:42,369 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:31:42,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 10:31:42,382 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 10:31:42,383 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 10:31:42,385 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 6 states. [2018-09-19 10:32:05,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:32:05,364 INFO L93 Difference]: Finished difference Result 3044 states and 5648 transitions. [2018-09-19 10:32:05,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 10:32:05,375 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-09-19 10:32:05,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:32:05,409 INFO L225 Difference]: With dead ends: 3044 [2018-09-19 10:32:05,409 INFO L226 Difference]: Without dead ends: 1922 [2018-09-19 10:32:05,420 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 61 GetRequests, 57 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 10:32:05,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1922 states. [2018-09-19 10:32:05,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1922 to 1920. [2018-09-19 10:32:05,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1920 states. [2018-09-19 10:32:05,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1920 states and 2831 transitions. [2018-09-19 10:32:05,592 INFO L78 Accepts]: Start accepts. Automaton has 1920 states and 2831 transitions. Word has length 62 [2018-09-19 10:32:05,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:32:05,594 INFO L480 AbstractCegarLoop]: Abstraction has 1920 states and 2831 transitions. [2018-09-19 10:32:05,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 10:32:05,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2831 transitions. [2018-09-19 10:32:05,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-09-19 10:32:05,609 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:32:05,609 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:32:05,610 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:32:05,610 INFO L82 PathProgramCache]: Analyzing trace with hash -2128763976, now seen corresponding path program 1 times [2018-09-19 10:32:05,610 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:32:05,611 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 164 with the following transitions: [2018-09-19 10:32:05,612 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3011], [3019], [3023], [3025], [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 10:32:05,625 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:32:05,625 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:32:17,306 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:32:17,306 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 10:32:17,313 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:32:18,876 INFO L232 lantSequenceWeakener]: Weakened 161 states. On average, predicates are now at 71.93% of their original sizes. [2018-09-19 10:32:18,877 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:32:19,837 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:32:19,838 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:32:19,838 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 10:32:19,838 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:32:19,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 10:32:19,840 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 10:32:19,840 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 10:32:19,840 INFO L87 Difference]: Start difference. First operand 1920 states and 2831 transitions. Second operand 10 states. [2018-09-19 10:32:59,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:32:59,767 INFO L93 Difference]: Finished difference Result 3841 states and 6447 transitions. [2018-09-19 10:32:59,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 10:32:59,770 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 163 [2018-09-19 10:32:59,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:32:59,783 INFO L225 Difference]: With dead ends: 3841 [2018-09-19 10:32:59,784 INFO L226 Difference]: Without dead ends: 2731 [2018-09-19 10:32:59,789 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 169 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-19 10:32:59,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2731 states. [2018-09-19 10:32:59,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2731 to 2726. [2018-09-19 10:32:59,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2726 states. [2018-09-19 10:32:59,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3662 transitions. [2018-09-19 10:32:59,867 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3662 transitions. Word has length 163 [2018-09-19 10:32:59,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:32:59,868 INFO L480 AbstractCegarLoop]: Abstraction has 2726 states and 3662 transitions. [2018-09-19 10:32:59,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 10:32:59,868 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3662 transitions. [2018-09-19 10:32:59,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-09-19 10:32:59,873 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:32:59,873 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:32:59,874 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:32:59,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1547662017, now seen corresponding path program 1 times [2018-09-19 10:32:59,874 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:32:59,874 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 193 with the following transitions: [2018-09-19 10:32:59,875 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3011], [3019], [3023], [3025], [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 10:32:59,881 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:32:59,881 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:33:09,883 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:33:15,788 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:33:15,788 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 10:33:15,829 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:33:17,601 INFO L232 lantSequenceWeakener]: Weakened 190 states. On average, predicates are now at 71.76% of their original sizes. [2018-09-19 10:33:17,602 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:33:18,297 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:33:18,298 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:33:18,298 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-19 10:33:18,298 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:33:18,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-19 10:33:18,299 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-19 10:33:18,300 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-09-19 10:33:18,300 INFO L87 Difference]: Start difference. First operand 2726 states and 3662 transitions. Second operand 13 states. [2018-09-19 10:34:47,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:34:47,982 INFO L93 Difference]: Finished difference Result 5542 states and 9047 transitions. [2018-09-19 10:34:47,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-09-19 10:34:47,983 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 192 [2018-09-19 10:34:47,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:34:48,002 INFO L225 Difference]: With dead ends: 5542 [2018-09-19 10:34:48,003 INFO L226 Difference]: Without dead ends: 4432 [2018-09-19 10:34:48,007 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 204 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2018-09-19 10:34:48,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4432 states. [2018-09-19 10:34:48,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4432 to 4345. [2018-09-19 10:34:48,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4345 states. [2018-09-19 10:34:48,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4345 states to 4345 states and 5317 transitions. [2018-09-19 10:34:48,129 INFO L78 Accepts]: Start accepts. Automaton has 4345 states and 5317 transitions. Word has length 192 [2018-09-19 10:34:48,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:34:48,130 INFO L480 AbstractCegarLoop]: Abstraction has 4345 states and 5317 transitions. [2018-09-19 10:34:48,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-19 10:34:48,131 INFO L276 IsEmpty]: Start isEmpty. Operand 4345 states and 5317 transitions. [2018-09-19 10:34:48,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-09-19 10:34:48,136 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:34:48,136 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 10:34:48,137 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:34:48,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1557630372, now seen corresponding path program 1 times [2018-09-19 10:34:48,137 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:34:48,137 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 258 with the following transitions: [2018-09-19 10:34:48,138 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3011], [3019], [3023], [3025], [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 10:34:48,144 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:34:48,145 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:34:55,194 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:35:02,955 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:35:02,955 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 10:35:02,961 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:35:04,460 INFO L232 lantSequenceWeakener]: Weakened 255 states. On average, predicates are now at 71.56% of their original sizes. [2018-09-19 10:35:04,461 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:35:04,816 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:35:04,817 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:35:04,817 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 10:35:04,817 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:35:04,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 10:35:04,818 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 10:35:04,818 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 10:35:04,819 INFO L87 Difference]: Start difference. First operand 4345 states and 5317 transitions. Second operand 10 states. Received shutdown request... [2018-09-19 10:35:42,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 10:35:42,283 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 10:35:42,289 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 10:35:42,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 10:35:42 BoogieIcfgContainer [2018-09-19 10:35:42,290 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 10:35:42,291 INFO L168 Benchmark]: Toolchain (without parser) took 258141.04 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 3.9 GB in the end (delta: -2.5 GB). Peak memory consumption was 193.5 MB. Max. memory is 7.1 GB. [2018-09-19 10:35:42,293 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-09-19 10:35:42,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2815.25 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 327.7 MB). Peak memory consumption was 327.7 MB. Max. memory is 7.1 GB. [2018-09-19 10:35:42,294 INFO L168 Benchmark]: Boogie Procedure Inliner took 346.81 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 997.1 MB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-09-19 10:35:42,295 INFO L168 Benchmark]: Boogie Preprocessor took 1396.90 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 963.1 MB). Free memory was 997.1 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. [2018-09-19 10:35:42,296 INFO L168 Benchmark]: RCFGBuilder took 10108.44 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 210.2 MB). Free memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: -86.2 MB). Peak memory consumption was 781.5 MB. Max. memory is 7.1 GB. [2018-09-19 10:35:42,297 INFO L168 Benchmark]: TraceAbstraction took 243465.62 ms. Allocated memory was 2.7 GB in the beginning and 4.2 GB in the end (delta: 1.5 GB). Free memory was 2.4 GB in the beginning and 3.9 GB in the end (delta: -1.5 GB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. [2018-09-19 10:35:42,302 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 2815.25 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 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 346.81 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 997.1 MB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1396.90 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 963.1 MB). Free memory was 997.1 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10108.44 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 210.2 MB). Free memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: -86.2 MB). Peak memory consumption was 781.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 243465.62 ms. Allocated memory was 2.7 GB in the beginning and 4.2 GB in the end (delta: 1.5 GB). Free memory was 2.4 GB in the beginning and 3.9 GB in the end (delta: -1.5 GB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 177]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 177). Cancelled while BasicCegarLoop was constructing difference of abstraction (4345states) and FLOYD_HOARE automaton (currently 14 states, 10 states before enhancement), while ReachableStatesComputation was computing reachable states (3908 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 243.3s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 190.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4406 SDtfs, 8990 SDslu, 3863 SDs, 0 SdLazy, 43793 SolverSat, 3559 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 175.5s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 697 GetRequests, 639 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4345occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 44.7s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9946725985457326 AbsIntWeakeningRatio, 0.1253731343283582 AbsIntAvgWeakeningVarsNumRemoved, 1031.534328358209 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 94 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label20_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_10-35-42-317.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label20_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_10-35-42-317.csv Completed graceful shutdown