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_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label14_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 03:56:57,025 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 03:56:57,029 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 03:56:57,043 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 03:56:57,044 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 03:56:57,045 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 03:56:57,046 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 03:56:57,048 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 03:56:57,050 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 03:56:57,051 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 03:56:57,052 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 03:56:57,052 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 03:56:57,053 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 03:56:57,054 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 03:56:57,055 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 03:56:57,056 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 03:56:57,057 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 03:56:57,058 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 03:56:57,061 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 03:56:57,062 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 03:56:57,063 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 03:56:57,064 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 03:56:57,067 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 03:56:57,067 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 03:56:57,067 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 03:56:57,068 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 03:56:57,069 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 03:56:57,070 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 03:56:57,071 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 03:56:57,072 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 03:56:57,072 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 03:56:57,073 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 03:56:57,073 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 03:56:57,073 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 03:56:57,074 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 03:56:57,075 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 03:56:57,075 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-09-19 03:56:57,091 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 03:56:57,091 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 03:56:57,092 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 03:56:57,092 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 03:56:57,092 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 03:56:57,092 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 03:56:57,093 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 03:56:57,093 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-19 03:56:57,093 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 03:56:57,093 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 03:56:57,093 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 03:56:57,094 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 03:56:57,094 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 03:56:57,097 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 03:56:57,097 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 03:56:57,097 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 03:56:57,097 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 03:56:57,098 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 03:56:57,098 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 03:56:57,098 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 03:56:57,098 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 03:56:57,098 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 03:56:57,098 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 03:56:57,099 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 03:56:57,099 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 03:56:57,099 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 03:56:57,099 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 03:56:57,100 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 03:56:57,101 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 03:56:57,101 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 03:56:57,101 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 03:56:57,101 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 03:56:57,101 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 03:56:57,102 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 03:56:57,147 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 03:56:57,160 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 03:56:57,163 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 03:56:57,165 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 03:56:57,165 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 03:56:57,166 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label14_true-unreach-call.c [2018-09-19 03:56:57,525 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/521320d0e/15d42348c9e24da3bad5adb7bb2f98bd/FLAG85442ecdd [2018-09-19 03:56:58,025 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 03:56:58,026 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label14_true-unreach-call.c [2018-09-19 03:56:58,067 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/521320d0e/15d42348c9e24da3bad5adb7bb2f98bd/FLAG85442ecdd [2018-09-19 03:56:58,087 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/521320d0e/15d42348c9e24da3bad5adb7bb2f98bd [2018-09-19 03:56:58,099 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 03:56:58,104 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 03:56:58,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 03:56:58,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 03:56:58,116 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 03:56:58,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:56:58" (1/1) ... [2018-09-19 03:56:58,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f9d2de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:56:58, skipping insertion in model container [2018-09-19 03:56:58,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:56:58" (1/1) ... [2018-09-19 03:56:58,135 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 03:56:59,753 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 03:56:59,773 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 03:57:00,556 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 03:57:00,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:57:00 WrapperNode [2018-09-19 03:57:00,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 03:57:00,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 03:57:00,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 03:57:00,934 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 03:57:00,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:57:00" (1/1) ... [2018-09-19 03:57:01,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:57:00" (1/1) ... [2018-09-19 03:57:01,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 03:57:01,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 03:57:01,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 03:57:01,250 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 03:57:02,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:57:00" (1/1) ... [2018-09-19 03:57:02,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:57:00" (1/1) ... [2018-09-19 03:57:02,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:57:00" (1/1) ... [2018-09-19 03:57:02,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:57:00" (1/1) ... [2018-09-19 03:57:02,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:57:00" (1/1) ... [2018-09-19 03:57:02,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:57:00" (1/1) ... [2018-09-19 03:57:02,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:57:00" (1/1) ... [2018-09-19 03:57:02,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 03:57:02,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 03:57:02,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 03:57:02,599 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 03:57:02,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:57:00" (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 03:57:02,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 03:57:02,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 03:57:02,674 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-19 03:57:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-19 03:57:02,674 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-19 03:57:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-19 03:57:02,674 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-19 03:57:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-19 03:57:02,675 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 03:57:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 03:57:02,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 03:57:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 03:57:02,676 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 03:57:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 03:57:13,249 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 03:57:13,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:57:13 BoogieIcfgContainer [2018-09-19 03:57:13,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 03:57:13,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 03:57:13,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 03:57:13,254 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 03:57:13,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 03:56:58" (1/3) ... [2018-09-19 03:57:13,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b904799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:57:13, skipping insertion in model container [2018-09-19 03:57:13,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:57:00" (2/3) ... [2018-09-19 03:57:13,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b904799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:57:13, skipping insertion in model container [2018-09-19 03:57:13,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:57:13" (3/3) ... [2018-09-19 03:57:13,258 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label14_true-unreach-call.c [2018-09-19 03:57:13,268 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 03:57:13,278 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 03:57:13,348 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 03:57:13,349 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 03:57:13,349 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 03:57:13,349 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 03:57:13,349 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 03:57:13,349 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 03:57:13,350 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 03:57:13,350 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 03:57:13,350 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 03:57:13,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-09-19 03:57:13,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-19 03:57:13,406 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 03:57:13,407 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] [2018-09-19 03:57:13,408 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 03:57:13,414 INFO L82 PathProgramCache]: Analyzing trace with hash 963614956, now seen corresponding path program 1 times [2018-09-19 03:57:13,416 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 03:57:13,417 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 49 with the following transitions: [2018-09-19 03:57:13,420 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], [2911], [2913], [4242], [4246], [4252], [4256], [4269], [4270], [4271], [4273] [2018-09-19 03:57:13,487 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 03:57:13,487 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 03:57:15,318 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 03:57:15,319 INFO L272 AbstractInterpreter]: Visited 47 different actions 47 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-09-19 03:57:15,338 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 03:57:16,047 INFO L232 lantSequenceWeakener]: Weakened 46 states. On average, predicates are now at 73.22% of their original sizes. [2018-09-19 03:57:16,047 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 03:57:16,363 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 03:57:16,365 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 03:57:16,365 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 03:57:16,365 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 03:57:16,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 03:57:16,379 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 03:57:16,380 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 03:57:16,383 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 6 states. [2018-09-19 03:57:38,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 03:57:38,323 INFO L93 Difference]: Finished difference Result 3044 states and 5648 transitions. [2018-09-19 03:57:38,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 03:57:38,327 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2018-09-19 03:57:38,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 03:57:38,362 INFO L225 Difference]: With dead ends: 3044 [2018-09-19 03:57:38,363 INFO L226 Difference]: Without dead ends: 1922 [2018-09-19 03:57:38,378 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 47 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 03:57:38,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1922 states. [2018-09-19 03:57:38,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1922 to 1920. [2018-09-19 03:57:38,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1920 states. [2018-09-19 03:57:38,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1920 states and 2831 transitions. [2018-09-19 03:57:38,539 INFO L78 Accepts]: Start accepts. Automaton has 1920 states and 2831 transitions. Word has length 48 [2018-09-19 03:57:38,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 03:57:38,540 INFO L480 AbstractCegarLoop]: Abstraction has 1920 states and 2831 transitions. [2018-09-19 03:57:38,540 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 03:57:38,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2831 transitions. [2018-09-19 03:57:38,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-09-19 03:57:38,547 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 03:57:38,548 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:57:38,548 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 03:57:38,548 INFO L82 PathProgramCache]: Analyzing trace with hash -153475968, now seen corresponding path program 1 times [2018-09-19 03:57:38,549 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 03:57:38,549 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-09-19 03:57:38,549 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2911], [2913], [2916], [2924], [2932], [2940], [2948], [2956], [2964], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3265], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-09-19 03:57:38,558 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 03:57:38,558 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 03:57:51,508 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 03:57:51,508 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 03:57:51,552 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 03:57:53,777 INFO L232 lantSequenceWeakener]: Weakened 147 states. On average, predicates are now at 71.64% of their original sizes. [2018-09-19 03:57:53,777 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 03:57:54,328 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 03:57:54,329 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 03:57:54,329 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 03:57:54,329 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 03:57:54,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 03:57:54,330 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 03:57:54,331 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 03:57:54,331 INFO L87 Difference]: Start difference. First operand 1920 states and 2831 transitions. Second operand 10 states. [2018-09-19 03:58:43,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 03:58:43,410 INFO L93 Difference]: Finished difference Result 3841 states and 6447 transitions. [2018-09-19 03:58:43,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 03:58:43,412 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 149 [2018-09-19 03:58:43,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 03:58:43,426 INFO L225 Difference]: With dead ends: 3841 [2018-09-19 03:58:43,426 INFO L226 Difference]: Without dead ends: 2731 [2018-09-19 03:58:43,431 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 155 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-19 03:58:43,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2731 states. [2018-09-19 03:58:43,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2731 to 2726. [2018-09-19 03:58:43,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2726 states. [2018-09-19 03:58:43,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3662 transitions. [2018-09-19 03:58:43,509 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3662 transitions. Word has length 149 [2018-09-19 03:58:43,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 03:58:43,510 INFO L480 AbstractCegarLoop]: Abstraction has 2726 states and 3662 transitions. [2018-09-19 03:58:43,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 03:58:43,510 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3662 transitions. [2018-09-19 03:58:43,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-09-19 03:58:43,514 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 03:58:43,515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:58:43,515 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 03:58:43,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1551395575, now seen corresponding path program 1 times [2018-09-19 03:58:43,515 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 03:58:43,516 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 179 with the following transitions: [2018-09-19 03:58:43,516 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], [2911], [2913], [2916], [2924], [2932], [2940], [2948], [2956], [2964], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3266], [3270], [3274], [3278], [3282], [3286], [3290], [3294], [3305], [3309], [3313], [3317], [3321], [3325], [3329], [3333], [3344], [3355], [3366], [3370], [3374], [3378], [3382], [3386], [3390], [3394], [3398], [3402], [3406], [3409], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-09-19 03:58:43,523 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 03:58:43,523 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 03:58:53,727 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 03:58:59,445 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 03:58:59,445 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 03:58:59,453 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 03:59:01,323 INFO L232 lantSequenceWeakener]: Weakened 176 states. On average, predicates are now at 71.5% of their original sizes. [2018-09-19 03:59:01,324 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 03:59:02,514 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 03:59:02,515 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 03:59:02,515 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-19 03:59:02,515 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 03:59:02,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-19 03:59:02,517 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-19 03:59:02,517 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-19 03:59:02,517 INFO L87 Difference]: Start difference. First operand 2726 states and 3662 transitions. Second operand 12 states. [2018-09-19 04:00:04,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 04:00:04,746 INFO L93 Difference]: Finished difference Result 4973 states and 7924 transitions. [2018-09-19 04:00:04,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 04:00:04,749 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 178 [2018-09-19 04:00:04,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 04:00:04,769 INFO L225 Difference]: With dead ends: 4973 [2018-09-19 04:00:04,769 INFO L226 Difference]: Without dead ends: 3863 [2018-09-19 04:00:04,773 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 187 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=108, Invalid=354, Unknown=0, NotChecked=0, Total=462 [2018-09-19 04:00:04,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3863 states. [2018-09-19 04:00:04,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3863 to 3540. [2018-09-19 04:00:04,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3540 states. [2018-09-19 04:00:04,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3540 states to 3540 states and 4496 transitions. [2018-09-19 04:00:04,875 INFO L78 Accepts]: Start accepts. Automaton has 3540 states and 4496 transitions. Word has length 178 [2018-09-19 04:00:04,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 04:00:04,876 INFO L480 AbstractCegarLoop]: Abstraction has 3540 states and 4496 transitions. [2018-09-19 04:00:04,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-19 04:00:04,877 INFO L276 IsEmpty]: Start isEmpty. Operand 3540 states and 4496 transitions. [2018-09-19 04:00:04,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-09-19 04:00:04,889 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 04:00:04,890 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 04:00:04,890 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 04:00:04,890 INFO L82 PathProgramCache]: Analyzing trace with hash 696108108, now seen corresponding path program 1 times [2018-09-19 04:00:04,894 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 04:00:04,894 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 244 with the following transitions: [2018-09-19 04:00:04,894 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], [2911], [2913], [2916], [2924], [2932], [2940], [2948], [2956], [2964], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3237], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3265], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-09-19 04:00:04,908 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 04:00:04,908 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 04:00:12,093 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 04:00:20,096 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 04:00:20,096 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 04:00:20,105 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 04:00:22,446 INFO L232 lantSequenceWeakener]: Weakened 241 states. On average, predicates are now at 71.36% of their original sizes. [2018-09-19 04:00:22,447 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 04:00:22,818 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 04:00:22,819 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 04:00:22,819 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 04:00:22,819 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 04:00:22,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 04:00:22,820 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 04:00:22,820 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 04:00:22,821 INFO L87 Difference]: Start difference. First operand 3540 states and 4496 transitions. Second operand 10 states. Received shutdown request... [2018-09-19 04:01:08,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 04:01:08,569 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 04:01:08,575 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 04:01:08,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 04:01:08 BoogieIcfgContainer [2018-09-19 04:01:08,576 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 04:01:08,577 INFO L168 Benchmark]: Toolchain (without parser) took 250476.01 ms. Allocated memory was 1.5 GB in the beginning and 4.3 GB in the end (delta: 2.8 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-09-19 04:01:08,579 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 04:01:08,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2827.46 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 338.2 MB). Peak memory consumption was 338.2 MB. Max. memory is 7.1 GB. [2018-09-19 04:01:08,580 INFO L168 Benchmark]: Boogie Procedure Inliner took 315.09 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 7.1 GB. [2018-09-19 04:01:08,581 INFO L168 Benchmark]: Boogie Preprocessor took 1349.57 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 995.6 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. [2018-09-19 04:01:08,582 INFO L168 Benchmark]: RCFGBuilder took 10651.13 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 164.1 MB). Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: -6.0 MB). Peak memory consumption was 751.4 MB. Max. memory is 7.1 GB. [2018-09-19 04:01:08,583 INFO L168 Benchmark]: TraceAbstraction took 235324.93 ms. Allocated memory was 2.7 GB in the beginning and 4.3 GB in the end (delta: 1.6 GB). Free memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: -325.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-09-19 04:01:08,588 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2827.46 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 338.2 MB). Peak memory consumption was 338.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 315.09 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1349.57 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 995.6 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10651.13 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 164.1 MB). Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: -6.0 MB). Peak memory consumption was 751.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 235324.93 ms. Allocated memory was 2.7 GB in the beginning and 4.3 GB in the end (delta: 1.6 GB). Free memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: -325.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 135]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 135). Cancelled while BasicCegarLoop was constructing difference of abstraction (3540states) and FLOYD_HOARE automaton (currently 14 states, 10 states before enhancement), while ReachableStatesComputation was computing reachable states (4971 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 235.2s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 179.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4738 SDtfs, 8610 SDslu, 4680 SDs, 0 SdLazy, 48635 SolverSat, 3257 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 165.7s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 638 GetRequests, 584 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3540occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 46.0s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9941867117681445 AbsIntWeakeningRatio, 0.13680781758957655 AbsIntAvgWeakeningVarsNumRemoved, 1042.7459283387623 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 330 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label14_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_04-01-08-603.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label14_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_04-01-08-603.csv Completed graceful shutdown