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/Problem02_label11_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 01:47:41,348 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 01:47:41,351 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 01:47:41,367 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 01:47:41,367 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 01:47:41,368 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 01:47:41,370 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 01:47:41,371 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 01:47:41,373 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 01:47:41,376 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 01:47:41,377 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 01:47:41,377 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 01:47:41,378 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 01:47:41,379 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 01:47:41,380 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 01:47:41,381 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 01:47:41,382 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 01:47:41,384 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 01:47:41,386 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 01:47:41,387 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 01:47:41,388 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 01:47:41,389 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 01:47:41,392 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-19 01:47:41,401 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 01:47:41,431 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 01:47:41,431 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 01:47:41,432 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 01:47:41,433 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 01:47:41,433 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 01:47:41,433 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 01:47:41,433 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 01:47:41,437 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-19 01:47:41,437 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 01:47:41,437 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 01:47:41,437 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 01:47:41,437 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 01:47:41,438 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 01:47:41,438 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 01:47:41,439 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 01:47:41,439 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 01:47:41,439 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 01:47:41,439 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 01:47:41,439 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 01:47:41,440 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 01:47:41,440 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 01:47:41,440 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 01:47:41,440 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 01:47:41,442 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 01:47:41,442 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 01:47:41,442 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 01:47:41,443 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 01:47:41,443 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 01:47:41,443 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 01:47:41,443 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 01:47:41,444 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 01:47:41,444 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 01:47:41,444 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 01:47:41,444 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 01:47:41,506 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 01:47:41,519 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 01:47:41,523 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 01:47:41,525 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 01:47:41,525 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 01:47:41,526 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label11_true-unreach-call_false-termination.c [2018-09-19 01:47:41,876 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e02e6416/446634ad80514e22a8c0bb9b701dad7f/FLAG19c4fc214 [2018-09-19 01:47:42,170 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 01:47:42,175 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label11_true-unreach-call_false-termination.c [2018-09-19 01:47:42,197 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e02e6416/446634ad80514e22a8c0bb9b701dad7f/FLAG19c4fc214 [2018-09-19 01:47:42,215 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e02e6416/446634ad80514e22a8c0bb9b701dad7f [2018-09-19 01:47:42,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 01:47:42,235 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 01:47:42,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 01:47:42,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 01:47:42,248 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 01:47:42,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 01:47:42" (1/1) ... [2018-09-19 01:47:42,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7add9a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:47:42, skipping insertion in model container [2018-09-19 01:47:42,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 01:47:42" (1/1) ... [2018-09-19 01:47:42,266 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 01:47:42,794 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 01:47:42,815 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 01:47:42,965 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 01:47:43,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:47:43 WrapperNode [2018-09-19 01:47:43,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 01:47:43,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 01:47:43,027 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 01:47:43,028 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 01:47:43,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:47:43" (1/1) ... [2018-09-19 01:47:43,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:47:43" (1/1) ... [2018-09-19 01:47:43,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 01:47:43,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 01:47:43,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 01:47:43,113 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 01:47:43,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:47:43" (1/1) ... [2018-09-19 01:47:43,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:47:43" (1/1) ... [2018-09-19 01:47:43,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:47:43" (1/1) ... [2018-09-19 01:47:43,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:47:43" (1/1) ... [2018-09-19 01:47:43,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:47:43" (1/1) ... [2018-09-19 01:47:43,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:47:43" (1/1) ... [2018-09-19 01:47:43,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:47:43" (1/1) ... [2018-09-19 01:47:43,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 01:47:43,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 01:47:43,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 01:47:43,351 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 01:47:43,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:47:43" (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 01:47:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 01:47:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 01:47:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 01:47:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 01:47:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 01:47:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 01:47:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 01:47:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 01:47:46,972 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 01:47:46,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 01:47:46 BoogieIcfgContainer [2018-09-19 01:47:46,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 01:47:46,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 01:47:46,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 01:47:46,981 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 01:47:46,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 01:47:42" (1/3) ... [2018-09-19 01:47:46,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3637029f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 01:47:46, skipping insertion in model container [2018-09-19 01:47:46,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:47:43" (2/3) ... [2018-09-19 01:47:46,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3637029f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 01:47:46, skipping insertion in model container [2018-09-19 01:47:46,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 01:47:46" (3/3) ... [2018-09-19 01:47:46,989 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label11_true-unreach-call_false-termination.c [2018-09-19 01:47:47,000 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 01:47:47,014 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 01:47:47,073 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 01:47:47,074 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 01:47:47,074 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 01:47:47,075 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 01:47:47,075 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 01:47:47,075 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 01:47:47,075 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 01:47:47,076 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 01:47:47,076 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 01:47:47,107 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-09-19 01:47:47,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-09-19 01:47:47,128 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:47:47,129 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:47:47,131 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:47:47,137 INFO L82 PathProgramCache]: Analyzing trace with hash 2043699759, now seen corresponding path program 1 times [2018-09-19 01:47:47,140 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:47:47,141 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 116 with the following transitions: [2018-09-19 01:47:47,145 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [591], [593], [867], [871], [877], [881], [888], [889], [890], [892] [2018-09-19 01:47:47,245 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:47:47,246 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:48:05,561 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:48:05,564 INFO L272 AbstractInterpreter]: Visited 114 different actions 114 times. Never merged. Never widened. Never found a fixpoint. Largest state had 37 variables. [2018-09-19 01:48:05,592 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 01:48:08,833 INFO L232 lantSequenceWeakener]: Weakened 113 states. On average, predicates are now at 81.05% of their original sizes. [2018-09-19 01:48:08,833 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:48:10,119 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 01:48:10,121 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 01:48:10,122 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 01:48:10,122 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 01:48:10,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 01:48:10,139 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 01:48:10,140 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-09-19 01:48:10,143 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 10 states. [2018-09-19 01:48:17,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 01:48:17,062 INFO L93 Difference]: Finished difference Result 622 states and 1061 transitions. [2018-09-19 01:48:17,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-19 01:48:17,064 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 115 [2018-09-19 01:48:17,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 01:48:17,082 INFO L225 Difference]: With dead ends: 622 [2018-09-19 01:48:17,083 INFO L226 Difference]: Without dead ends: 383 [2018-09-19 01:48:17,090 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 118 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-09-19 01:48:17,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-09-19 01:48:17,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 380. [2018-09-19 01:48:17,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-09-19 01:48:17,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 531 transitions. [2018-09-19 01:48:17,171 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 531 transitions. Word has length 115 [2018-09-19 01:48:17,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 01:48:17,173 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 531 transitions. [2018-09-19 01:48:17,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 01:48:17,173 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 531 transitions. [2018-09-19 01:48:17,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-09-19 01:48:17,185 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:48:17,185 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 01:48:17,186 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:48:17,186 INFO L82 PathProgramCache]: Analyzing trace with hash -413484370, now seen corresponding path program 1 times [2018-09-19 01:48:17,186 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:48:17,187 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 126 with the following transitions: [2018-09-19 01:48:17,187 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [591], [593], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-19 01:48:17,197 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:48:17,197 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:48:50,811 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:48:50,812 INFO L272 AbstractInterpreter]: Visited 118 different actions 230 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-09-19 01:48:50,824 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 01:48:53,633 INFO L232 lantSequenceWeakener]: Weakened 123 states. On average, predicates are now at 81.05% of their original sizes. [2018-09-19 01:48:53,633 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:48:54,604 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 01:48:54,605 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 01:48:54,605 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 01:48:54,605 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 01:48:54,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 01:48:54,607 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 01:48:54,607 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 01:48:54,608 INFO L87 Difference]: Start difference. First operand 380 states and 531 transitions. Second operand 14 states. [2018-09-19 01:49:04,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 01:49:04,616 INFO L93 Difference]: Finished difference Result 910 states and 1354 transitions. [2018-09-19 01:49:04,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-09-19 01:49:04,619 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 125 [2018-09-19 01:49:04,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 01:49:04,631 INFO L225 Difference]: With dead ends: 910 [2018-09-19 01:49:04,631 INFO L226 Difference]: Without dead ends: 536 [2018-09-19 01:49:04,640 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 139 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=192, Invalid=620, Unknown=0, NotChecked=0, Total=812 [2018-09-19 01:49:04,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2018-09-19 01:49:04,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 528. [2018-09-19 01:49:04,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2018-09-19 01:49:04,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 701 transitions. [2018-09-19 01:49:04,694 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 701 transitions. Word has length 125 [2018-09-19 01:49:04,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 01:49:04,695 INFO L480 AbstractCegarLoop]: Abstraction has 528 states and 701 transitions. [2018-09-19 01:49:04,695 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 01:49:04,695 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 701 transitions. [2018-09-19 01:49:04,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-09-19 01:49:04,700 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:49:04,701 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 01:49:04,701 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:49:04,701 INFO L82 PathProgramCache]: Analyzing trace with hash 305778870, now seen corresponding path program 1 times [2018-09-19 01:49:04,701 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:49:04,702 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 130 with the following transitions: [2018-09-19 01:49:04,702 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [591], [593], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-19 01:49:04,708 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:49:04,708 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:49:38,917 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:49:38,918 INFO L272 AbstractInterpreter]: Visited 118 different actions 230 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-09-19 01:49:38,925 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 01:49:41,190 INFO L232 lantSequenceWeakener]: Weakened 127 states. On average, predicates are now at 81.04% of their original sizes. [2018-09-19 01:49:41,191 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:49:41,863 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 01:49:41,864 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 01:49:41,864 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 01:49:41,864 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 01:49:41,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 01:49:41,865 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 01:49:41,865 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 01:49:41,866 INFO L87 Difference]: Start difference. First operand 528 states and 701 transitions. Second operand 14 states. [2018-09-19 01:49:50,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 01:49:50,905 INFO L93 Difference]: Finished difference Result 1208 states and 1697 transitions. [2018-09-19 01:49:50,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-09-19 01:49:50,911 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 129 [2018-09-19 01:49:50,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 01:49:50,921 INFO L225 Difference]: With dead ends: 1208 [2018-09-19 01:49:50,922 INFO L226 Difference]: Without dead ends: 686 [2018-09-19 01:49:50,926 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 142 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=171, Invalid=585, Unknown=0, NotChecked=0, Total=756 [2018-09-19 01:49:50,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2018-09-19 01:49:50,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 676. [2018-09-19 01:49:50,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2018-09-19 01:49:50,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 881 transitions. [2018-09-19 01:49:50,981 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 881 transitions. Word has length 129 [2018-09-19 01:49:50,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 01:49:50,982 INFO L480 AbstractCegarLoop]: Abstraction has 676 states and 881 transitions. [2018-09-19 01:49:50,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 01:49:50,982 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 881 transitions. [2018-09-19 01:49:50,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-09-19 01:49:50,986 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:49:50,986 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 01:49:50,987 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:49:50,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1951274909, now seen corresponding path program 1 times [2018-09-19 01:49:50,987 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:49:50,987 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 135 with the following transitions: [2018-09-19 01:49:50,988 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [591], [593], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-19 01:49:50,993 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:49:50,993 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:50:42,435 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:50:42,436 INFO L272 AbstractInterpreter]: Visited 119 different actions 349 times. Merged at 7 different actions 14 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-09-19 01:50:42,441 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 01:50:44,430 INFO L232 lantSequenceWeakener]: Weakened 132 states. On average, predicates are now at 81.06% of their original sizes. [2018-09-19 01:50:44,431 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:50:45,092 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 01:50:45,093 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 01:50:45,093 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 01:50:45,093 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 01:50:45,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 01:50:45,094 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 01:50:45,094 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 01:50:45,094 INFO L87 Difference]: Start difference. First operand 676 states and 881 transitions. Second operand 14 states. [2018-09-19 01:50:55,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 01:50:55,835 INFO L93 Difference]: Finished difference Result 1577 states and 2188 transitions. [2018-09-19 01:50:55,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-09-19 01:50:55,836 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 134 [2018-09-19 01:50:55,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 01:50:55,842 INFO L225 Difference]: With dead ends: 1577 [2018-09-19 01:50:55,842 INFO L226 Difference]: Without dead ends: 907 [2018-09-19 01:50:55,845 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 149 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=202, Invalid=668, Unknown=0, NotChecked=0, Total=870 [2018-09-19 01:50:55,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2018-09-19 01:50:55,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 886. [2018-09-19 01:50:55,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2018-09-19 01:50:55,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1117 transitions. [2018-09-19 01:50:55,886 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1117 transitions. Word has length 134 [2018-09-19 01:50:55,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 01:50:55,887 INFO L480 AbstractCegarLoop]: Abstraction has 886 states and 1117 transitions. [2018-09-19 01:50:55,887 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 01:50:55,887 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1117 transitions. [2018-09-19 01:50:55,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-09-19 01:50:55,891 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:50:55,891 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 01:50:55,891 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:50:55,891 INFO L82 PathProgramCache]: Analyzing trace with hash -527799318, now seen corresponding path program 1 times [2018-09-19 01:50:55,892 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:50:55,892 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 149 with the following transitions: [2018-09-19 01:50:55,892 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [591], [593], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-19 01:50:55,897 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:50:55,897 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:52:03,553 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:52:03,553 INFO L272 AbstractInterpreter]: Visited 120 different actions 480 times. Merged at 8 different actions 33 times. Never widened. Found 8 fixpoints after 2 different actions. Largest state had 38 variables. [2018-09-19 01:52:03,562 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates Received shutdown request... [2018-09-19 01:52:05,861 INFO L232 lantSequenceWeakener]: Weakened 146 states. On average, predicates are now at 81.05% of their original sizes. [2018-09-19 01:52:05,861 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:52:05,889 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 01:52:05,893 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 01:52:05,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 01:52:05 BoogieIcfgContainer [2018-09-19 01:52:05,894 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 01:52:05,895 INFO L168 Benchmark]: Toolchain (without parser) took 263664.78 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.6 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 368.4 MB. Max. memory is 7.1 GB. [2018-09-19 01:52:05,897 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 01:52:05,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 788.77 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-19 01:52:05,898 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.89 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 01:52:05,899 INFO L168 Benchmark]: Boogie Preprocessor took 236.46 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 733.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -807.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. [2018-09-19 01:52:05,900 INFO L168 Benchmark]: RCFGBuilder took 3624.51 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 109.2 MB). Peak memory consumption was 109.2 MB. Max. memory is 7.1 GB. [2018-09-19 01:52:05,901 INFO L168 Benchmark]: TraceAbstraction took 258919.34 ms. Allocated memory was 2.2 GB in the beginning and 3.1 GB in the end (delta: 855.1 MB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -554.0 MB). Peak memory consumption was 301.1 MB. Max. memory is 7.1 GB. [2018-09-19 01:52:05,905 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 788.77 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 84.89 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. * Boogie Preprocessor took 236.46 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 733.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -807.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3624.51 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 109.2 MB). Peak memory consumption was 109.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 258919.34 ms. Allocated memory was 2.2 GB in the beginning and 3.1 GB in the end (delta: 855.1 MB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -554.0 MB). Peak memory consumption was 301.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 496]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 496). Cancelled while BasicCegarLoop was analyzing trace of length 149 with TraceHistMax 4, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 3 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. TIMEOUT Result, 258.8s OverallTime, 5 OverallIterations, 4 TraceHistogramMax, 36.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 918 SDtfs, 3825 SDslu, 2193 SDs, 0 SdLazy, 9391 SolverSat, 755 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.3s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 548 GetRequests, 455 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=886occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 205.4s AbstIntTime, 5 AbstIntIterations, 5 AbstIntStrong, 0.9935712761808587 AbsIntWeakeningRatio, 0.22755417956656346 AbsIntAvgWeakeningVarsNumRemoved, 2438.4148606811145 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 42 StatesRemovedByMinimization, 4 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/Problem02_label11_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_01-52-05-920.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem02_label11_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_01-52-05-920.csv Completed graceful shutdown