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_label56_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 04:03:23,358 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 04:03:23,362 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 04:03:23,374 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 04:03:23,374 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 04:03:23,375 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 04:03:23,377 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 04:03:23,378 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 04:03:23,380 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 04:03:23,381 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 04:03:23,382 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 04:03:23,382 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 04:03:23,383 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 04:03:23,384 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 04:03:23,385 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 04:03:23,386 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 04:03:23,387 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 04:03:23,389 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 04:03:23,391 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 04:03:23,393 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 04:03:23,394 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 04:03:23,395 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 04:03:23,397 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-19 04:03:23,404 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 04:03:23,404 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 04:03:23,405 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 04:03:23,406 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 04:03:23,406 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 04:03:23,426 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 04:03:23,426 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 04:03:23,427 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 04:03:23,433 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 04:03:23,433 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 04:03:23,433 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 04:03:23,433 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 04:03:23,434 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-19 04:03:23,434 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 04:03:23,434 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 04:03:23,434 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 04:03:23,434 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 04:03:23,435 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 04:03:23,435 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 04:03:23,436 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 04:03:23,437 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 04:03:23,437 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 04:03:23,437 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 04:03:23,437 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 04:03:23,437 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 04:03:23,438 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 04:03:23,438 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 04:03:23,438 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 04:03:23,438 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 04:03:23,440 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 04:03:23,440 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 04:03:23,440 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 04:03:23,440 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 04:03:23,440 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 04:03:23,441 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 04:03:23,441 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 04:03:23,441 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 04:03:23,441 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 04:03:23,442 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 04:03:23,503 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 04:03:23,520 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 04:03:23,526 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 04:03:23,528 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 04:03:23,528 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 04:03:23,529 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label56_true-unreach-call.c [2018-09-19 04:03:23,882 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46837c252/fd4d409e619d44be80869d4d74f70e6c/FLAG653de4286 [2018-09-19 04:03:24,389 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 04:03:24,390 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label56_true-unreach-call.c [2018-09-19 04:03:24,434 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46837c252/fd4d409e619d44be80869d4d74f70e6c/FLAG653de4286 [2018-09-19 04:03:24,451 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46837c252/fd4d409e619d44be80869d4d74f70e6c [2018-09-19 04:03:24,466 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 04:03:24,472 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 04:03:24,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 04:03:24,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 04:03:24,484 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 04:03:24,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:03:24" (1/1) ... [2018-09-19 04:03:24,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77eb0580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:03:24, skipping insertion in model container [2018-09-19 04:03:24,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:03:24" (1/1) ... [2018-09-19 04:03:24,505 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 04:03:26,290 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 04:03:26,313 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 04:03:26,998 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 04:03:27,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:03:27 WrapperNode [2018-09-19 04:03:27,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 04:03:27,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 04:03:27,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 04:03:27,371 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 04:03:27,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:03:27" (1/1) ... [2018-09-19 04:03:27,510 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:03:27" (1/1) ... [2018-09-19 04:03:27,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 04:03:27,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 04:03:27,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 04:03:27,734 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 04:03:28,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:03:27" (1/1) ... [2018-09-19 04:03:28,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:03:27" (1/1) ... [2018-09-19 04:03:28,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:03:27" (1/1) ... [2018-09-19 04:03:28,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:03:27" (1/1) ... [2018-09-19 04:03:28,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:03:27" (1/1) ... [2018-09-19 04:03:28,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:03:27" (1/1) ... [2018-09-19 04:03:28,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:03:27" (1/1) ... [2018-09-19 04:03:29,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 04:03:29,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 04:03:29,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 04:03:29,061 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 04:03:29,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:03:27" (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 04:03:29,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 04:03:29,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 04:03:29,137 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-19 04:03:29,137 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-19 04:03:29,137 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-19 04:03:29,137 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-19 04:03:29,138 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-19 04:03:29,138 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-19 04:03:29,138 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 04:03:29,138 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 04:03:29,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 04:03:29,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 04:03:29,139 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 04:03:29,139 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 04:03:41,166 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 04:03:41,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:03:41 BoogieIcfgContainer [2018-09-19 04:03:41,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 04:03:41,168 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 04:03:41,168 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 04:03:41,172 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 04:03:41,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 04:03:24" (1/3) ... [2018-09-19 04:03:41,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c0bced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:03:41, skipping insertion in model container [2018-09-19 04:03:41,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:03:27" (2/3) ... [2018-09-19 04:03:41,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c0bced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:03:41, skipping insertion in model container [2018-09-19 04:03:41,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:03:41" (3/3) ... [2018-09-19 04:03:41,176 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label56_true-unreach-call.c [2018-09-19 04:03:41,184 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 04:03:41,193 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 04:03:41,267 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 04:03:41,268 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 04:03:41,268 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 04:03:41,268 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 04:03:41,268 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 04:03:41,268 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 04:03:41,268 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 04:03:41,269 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 04:03:41,269 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 04:03:41,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-09-19 04:03:41,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-19 04:03:41,322 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 04:03:41,323 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] [2018-09-19 04:03:41,324 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 04:03:41,330 INFO L82 PathProgramCache]: Analyzing trace with hash -460452772, now seen corresponding path program 1 times [2018-09-19 04:03:41,333 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 04:03:41,334 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 61 with the following transitions: [2018-09-19 04:03:41,337 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3007], [3009], [4242], [4246], [4252], [4256], [4269], [4270], [4271], [4273] [2018-09-19 04:03:41,412 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 04:03:41,412 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 04:03:43,600 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 04:03:43,602 INFO L272 AbstractInterpreter]: Visited 59 different actions 59 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-09-19 04:03:43,618 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 04:03:44,508 INFO L232 lantSequenceWeakener]: Weakened 58 states. On average, predicates are now at 73.59% of their original sizes. [2018-09-19 04:03:44,510 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 04:03:44,886 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 04:03:44,888 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 04:03:44,888 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 04:03:44,888 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 04:03:44,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 04:03:44,902 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 04:03:44,902 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 04:03:44,905 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 6 states. [2018-09-19 04:04:17,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 04:04:17,347 INFO L93 Difference]: Finished difference Result 3044 states and 5648 transitions. [2018-09-19 04:04:17,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 04:04:17,349 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-09-19 04:04:17,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 04:04:17,386 INFO L225 Difference]: With dead ends: 3044 [2018-09-19 04:04:17,387 INFO L226 Difference]: Without dead ends: 1922 [2018-09-19 04:04:17,396 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 04:04:17,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1922 states. [2018-09-19 04:04:17,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1922 to 1920. [2018-09-19 04:04:17,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1920 states. [2018-09-19 04:04:17,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1920 states and 2831 transitions. [2018-09-19 04:04:17,567 INFO L78 Accepts]: Start accepts. Automaton has 1920 states and 2831 transitions. Word has length 60 [2018-09-19 04:04:17,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 04:04:17,568 INFO L480 AbstractCegarLoop]: Abstraction has 1920 states and 2831 transitions. [2018-09-19 04:04:17,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 04:04:17,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2831 transitions. [2018-09-19 04:04:17,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-09-19 04:04:17,582 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 04:04:17,583 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:04:17,583 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 04:04:17,584 INFO L82 PathProgramCache]: Analyzing trace with hash 342702768, now seen corresponding path program 1 times [2018-09-19 04:04:17,584 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 04:04:17,584 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-09-19 04:04:17,585 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3007], [3009], [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 04:04:17,595 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 04:04:17,595 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 04:04:31,907 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 04:04:31,907 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 04:04:31,925 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 04:04:33,743 INFO L232 lantSequenceWeakener]: Weakened 159 states. On average, predicates are now at 71.89% of their original sizes. [2018-09-19 04:04:33,744 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 04:04:34,372 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 04:04:34,373 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 04:04:34,373 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 04:04:34,373 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 04:04:34,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 04:04:34,375 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 04:04:34,375 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 04:04:34,375 INFO L87 Difference]: Start difference. First operand 1920 states and 2831 transitions. Second operand 10 states. [2018-09-19 04:05:30,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 04:05:30,079 INFO L93 Difference]: Finished difference Result 3841 states and 6447 transitions. [2018-09-19 04:05:30,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 04:05:30,080 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 161 [2018-09-19 04:05:30,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 04:05:30,097 INFO L225 Difference]: With dead ends: 3841 [2018-09-19 04:05:30,097 INFO L226 Difference]: Without dead ends: 2731 [2018-09-19 04:05:30,102 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 167 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-19 04:05:30,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2731 states. [2018-09-19 04:05:30,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2731 to 2726. [2018-09-19 04:05:30,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2726 states. [2018-09-19 04:05:30,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3662 transitions. [2018-09-19 04:05:30,185 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3662 transitions. Word has length 161 [2018-09-19 04:05:30,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 04:05:30,186 INFO L480 AbstractCegarLoop]: Abstraction has 2726 states and 3662 transitions. [2018-09-19 04:05:30,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 04:05:30,186 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3662 transitions. [2018-09-19 04:05:30,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-09-19 04:05:30,191 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 04:05:30,191 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:05:30,192 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 04:05:30,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1221387207, now seen corresponding path program 1 times [2018-09-19 04:05:30,192 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 04:05:30,192 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 191 with the following transitions: [2018-09-19 04:05:30,193 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3007], [3009], [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 04:05:30,199 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 04:05:30,200 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 04:05:42,614 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 04:05:48,845 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 04:05:48,845 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 04:05:48,849 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 04:05:50,803 INFO L232 lantSequenceWeakener]: Weakened 188 states. On average, predicates are now at 71.73% of their original sizes. [2018-09-19 04:05:50,804 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 04:05:51,530 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 04:05:51,531 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 04:05:51,531 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-19 04:05:51,531 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 04:05:51,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-19 04:05:51,532 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-19 04:05:51,533 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-09-19 04:05:51,533 INFO L87 Difference]: Start difference. First operand 2726 states and 3662 transitions. Second operand 13 states. [2018-09-19 04:07:08,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 04:07:08,714 INFO L93 Difference]: Finished difference Result 5542 states and 9047 transitions. [2018-09-19 04:07:08,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-09-19 04:07:08,716 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 190 [2018-09-19 04:07:08,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 04:07:08,740 INFO L225 Difference]: With dead ends: 5542 [2018-09-19 04:07:08,740 INFO L226 Difference]: Without dead ends: 4432 [2018-09-19 04:07:08,747 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 202 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2018-09-19 04:07:08,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4432 states. [2018-09-19 04:07:08,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4432 to 4345. [2018-09-19 04:07:08,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4345 states. [2018-09-19 04:07:08,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4345 states to 4345 states and 5317 transitions. [2018-09-19 04:07:08,887 INFO L78 Accepts]: Start accepts. Automaton has 4345 states and 5317 transitions. Word has length 190 [2018-09-19 04:07:08,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 04:07:08,889 INFO L480 AbstractCegarLoop]: Abstraction has 4345 states and 5317 transitions. [2018-09-19 04:07:08,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-19 04:07:08,889 INFO L276 IsEmpty]: Start isEmpty. Operand 4345 states and 5317 transitions. [2018-09-19 04:07:08,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-09-19 04:07:08,897 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 04:07:08,897 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 04:07:08,898 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 04:07:08,898 INFO L82 PathProgramCache]: Analyzing trace with hash 559263676, now seen corresponding path program 1 times [2018-09-19 04:07:08,898 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 04:07:08,899 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 256 with the following transitions: [2018-09-19 04:07:08,899 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3007], [3009], [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 04:07:08,906 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 04:07:08,907 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 04:07:16,996 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 04:07:26,358 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 04:07:26,359 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 04:07:26,366 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 04:07:28,579 INFO L232 lantSequenceWeakener]: Weakened 253 states. On average, predicates are now at 71.53% of their original sizes. [2018-09-19 04:07:28,580 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 04:07:28,965 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 04:07:28,965 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 04:07:28,965 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 04:07:28,965 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 04:07:28,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 04:07:28,966 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 04:07:28,967 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 04:07:28,967 INFO L87 Difference]: Start difference. First operand 4345 states and 5317 transitions. Second operand 10 states. Received shutdown request... [2018-09-19 04:07:32,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-19 04:07:32,484 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 04:07:32,489 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 04:07:32,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 04:07:32 BoogieIcfgContainer [2018-09-19 04:07:32,490 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 04:07:32,491 INFO L168 Benchmark]: Toolchain (without parser) took 248024.23 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 3.5 GB in the end (delta: -2.1 GB). Peak memory consumption was 680.0 MB. Max. memory is 7.1 GB. [2018-09-19 04:07:32,492 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 04:07:32,493 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2896.28 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: 339.3 MB). Peak memory consumption was 339.3 MB. Max. memory is 7.1 GB. [2018-09-19 04:07:32,494 INFO L168 Benchmark]: Boogie Procedure Inliner took 362.72 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-19 04:07:32,495 INFO L168 Benchmark]: Boogie Preprocessor took 1326.96 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 986.7 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 04:07:32,496 INFO L168 Benchmark]: RCFGBuilder took 12106.46 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 170.4 MB). Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: -27.6 MB). Peak memory consumption was 755.3 MB. Max. memory is 7.1 GB. [2018-09-19 04:07:32,497 INFO L168 Benchmark]: TraceAbstraction took 231321.61 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 3.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 471.3 MB. Max. memory is 7.1 GB. [2018-09-19 04:07:32,502 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 2896.28 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: 339.3 MB). Peak memory consumption was 339.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 362.72 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1326.96 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 986.7 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 12106.46 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 170.4 MB). Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: -27.6 MB). Peak memory consumption was 755.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 231321.61 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 3.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 471.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 171]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 171). Cancelled while BasicCegarLoop was constructing difference of abstraction (4345states) and FLOYD_HOARE automaton (currently 13 states, 10 states before enhancement), while ReachableStatesComputation was computing reachable states (386 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 231.2s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 168.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3764 SDtfs, 7309 SDslu, 4124 SDs, 0 SdLazy, 42358 SolverSat, 3118 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 155.8s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 689 GetRequests, 631 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4345occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 52.7s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9946082190719651 AbsIntWeakeningRatio, 0.1268882175226586 AbsIntAvgWeakeningVarsNumRemoved, 1046.679758308157 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 94 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label56_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_04-07-32-517.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label56_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_04-07-32-517.csv Completed graceful shutdown