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_label55_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 12:03:16,183 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 12:03:16,185 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 12:03:16,197 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 12:03:16,197 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 12:03:16,199 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 12:03:16,200 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 12:03:16,203 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 12:03:16,208 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 12:03:16,210 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 12:03:16,211 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 12:03:16,212 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 12:03:16,213 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 12:03:16,217 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 12:03:16,218 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 12:03:16,223 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 12:03:16,224 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 12:03:16,226 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 12:03:16,228 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 12:03:16,229 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 12:03:16,230 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 12:03:16,231 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 12:03:16,234 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 12:03:16,234 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 12:03:16,234 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 12:03:16,236 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 12:03:16,237 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 12:03:16,238 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 12:03:16,239 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 12:03:16,240 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 12:03:16,240 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 12:03:16,241 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 12:03:16,241 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 12:03:16,241 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 12:03:16,242 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 12:03:16,243 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 12:03:16,243 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 [2018-09-15 12:03:16,258 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 12:03:16,258 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 12:03:16,259 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 12:03:16,259 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 12:03:16,260 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 12:03:16,260 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 12:03:16,260 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 12:03:16,260 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 12:03:16,260 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 12:03:16,261 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 12:03:16,261 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 12:03:16,262 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 12:03:16,262 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 12:03:16,262 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 12:03:16,262 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 12:03:16,262 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 12:03:16,263 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 12:03:16,263 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 12:03:16,263 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 12:03:16,263 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 12:03:16,263 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 12:03:16,264 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 12:03:16,264 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 12:03:16,264 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 12:03:16,264 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 12:03:16,264 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 12:03:16,265 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 12:03:16,265 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 12:03:16,265 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 12:03:16,265 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 12:03:16,265 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 12:03:16,266 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 12:03:16,266 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 12:03:16,313 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 12:03:16,329 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 12:03:16,336 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 12:03:16,338 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 12:03:16,339 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 12:03:16,340 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label55_true-unreach-call.c [2018-09-15 12:03:16,701 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c48cb3c35/c063aa9e5d4f483eb4a466e7f1c0f008/FLAG65830200d [2018-09-15 12:03:17,257 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 12:03:17,258 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label55_true-unreach-call.c [2018-09-15 12:03:17,298 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c48cb3c35/c063aa9e5d4f483eb4a466e7f1c0f008/FLAG65830200d [2018-09-15 12:03:17,323 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c48cb3c35/c063aa9e5d4f483eb4a466e7f1c0f008 [2018-09-15 12:03:17,337 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 12:03:17,343 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 12:03:17,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 12:03:17,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 12:03:17,355 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 12:03:17,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 12:03:17" (1/1) ... [2018-09-15 12:03:17,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a2763a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:03:17, skipping insertion in model container [2018-09-15 12:03:17,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 12:03:17" (1/1) ... [2018-09-15 12:03:17,373 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 12:03:18,920 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 12:03:18,939 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 12:03:19,686 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 12:03:20,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:03:20 WrapperNode [2018-09-15 12:03:20,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 12:03:20,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 12:03:20,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 12:03:20,058 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 12:03:20,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:03:20" (1/1) ... [2018-09-15 12:03:20,179 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:03:20" (1/1) ... [2018-09-15 12:03:20,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 12:03:20,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 12:03:20,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 12:03:20,378 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 12:03:21,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:03:20" (1/1) ... [2018-09-15 12:03:21,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:03:20" (1/1) ... [2018-09-15 12:03:21,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:03:20" (1/1) ... [2018-09-15 12:03:21,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:03:20" (1/1) ... [2018-09-15 12:03:21,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:03:20" (1/1) ... [2018-09-15 12:03:21,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:03:20" (1/1) ... [2018-09-15 12:03:21,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:03:20" (1/1) ... [2018-09-15 12:03:21,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 12:03:21,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 12:03:21,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 12:03:21,600 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 12:03:21,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:03:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 12:03:21,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 12:03:21,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 12:03:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-15 12:03:21,676 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-15 12:03:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-15 12:03:21,677 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-15 12:03:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-15 12:03:21,677 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-15 12:03:21,678 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 12:03:21,678 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 12:03:21,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 12:03:21,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 12:03:21,678 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 12:03:21,679 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 12:03:32,484 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 12:03:32,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 12:03:32 BoogieIcfgContainer [2018-09-15 12:03:32,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 12:03:32,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 12:03:32,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 12:03:32,489 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 12:03:32,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 12:03:17" (1/3) ... [2018-09-15 12:03:32,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2ecf10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 12:03:32, skipping insertion in model container [2018-09-15 12:03:32,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:03:20" (2/3) ... [2018-09-15 12:03:32,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2ecf10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 12:03:32, skipping insertion in model container [2018-09-15 12:03:32,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 12:03:32" (3/3) ... [2018-09-15 12:03:32,493 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label55_true-unreach-call.c [2018-09-15 12:03:32,503 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 12:03:32,515 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 12:03:32,577 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 12:03:32,578 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 12:03:32,578 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 12:03:32,578 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 12:03:32,578 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 12:03:32,578 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 12:03:32,578 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 12:03:32,578 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 12:03:32,579 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 12:03:32,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-09-15 12:03:32,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-15 12:03:32,630 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:03:32,631 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] [2018-09-15 12:03:32,633 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:03:32,638 INFO L82 PathProgramCache]: Analyzing trace with hash -661106381, now seen corresponding path program 1 times [2018-09-15 12:03:32,641 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:03:32,642 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 56 with the following transitions: [2018-09-15 12:03:32,645 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], [2967], [2969], [4242], [4246], [4252], [4256], [4269], [4270], [4271], [4273] [2018-09-15 12:03:32,708 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:03:32,708 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:03:35,555 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:03:35,557 INFO L272 AbstractInterpreter]: Visited 54 different actions 54 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-09-15 12:03:35,636 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:03:36,438 INFO L232 lantSequenceWeakener]: Weakened 53 states. On average, predicates are now at 73.46% of their original sizes. [2018-09-15 12:03:36,438 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:03:36,776 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:03:36,777 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:03:36,777 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 12:03:36,778 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:03:36,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 12:03:36,790 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 12:03:36,791 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 12:03:36,794 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 6 states. [2018-09-15 12:03:57,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:03:57,549 INFO L93 Difference]: Finished difference Result 3044 states and 5648 transitions. [2018-09-15 12:03:57,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 12:03:57,551 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2018-09-15 12:03:57,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:03:57,593 INFO L225 Difference]: With dead ends: 3044 [2018-09-15 12:03:57,593 INFO L226 Difference]: Without dead ends: 1922 [2018-09-15 12:03:57,604 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 54 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 12:03:57,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1922 states. [2018-09-15 12:03:57,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1922 to 1920. [2018-09-15 12:03:57,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1920 states. [2018-09-15 12:03:57,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1920 states and 2831 transitions. [2018-09-15 12:03:57,783 INFO L78 Accepts]: Start accepts. Automaton has 1920 states and 2831 transitions. Word has length 55 [2018-09-15 12:03:57,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:03:57,784 INFO L480 AbstractCegarLoop]: Abstraction has 1920 states and 2831 transitions. [2018-09-15 12:03:57,784 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 12:03:57,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2831 transitions. [2018-09-15 12:03:57,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-09-15 12:03:57,797 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:03:57,797 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 12:03:57,798 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:03:57,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1606855200, now seen corresponding path program 1 times [2018-09-15 12:03:57,799 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:03:57,799 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 157 with the following transitions: [2018-09-15 12:03:57,800 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], [2967], [2969], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3265], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-09-15 12:03:57,810 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:03:57,811 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:04:17,764 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:04:17,765 INFO L272 AbstractInterpreter]: Visited 108 different actions 210 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-15 12:04:17,772 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:04:24,108 INFO L232 lantSequenceWeakener]: Weakened 154 states. On average, predicates are now at 71.82% of their original sizes. [2018-09-15 12:04:24,108 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:04:26,459 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:04:26,460 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:04:26,460 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-15 12:04:26,460 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:04:26,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-15 12:04:26,463 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-15 12:04:26,463 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-15 12:04:26,464 INFO L87 Difference]: Start difference. First operand 1920 states and 2831 transitions. Second operand 10 states. [2018-09-15 12:05:03,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:05:03,709 INFO L93 Difference]: Finished difference Result 3839 states and 6442 transitions. [2018-09-15 12:05:03,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 12:05:03,711 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 156 [2018-09-15 12:05:03,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:05:03,725 INFO L225 Difference]: With dead ends: 3839 [2018-09-15 12:05:03,725 INFO L226 Difference]: Without dead ends: 2729 [2018-09-15 12:05:03,730 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 162 GetRequests, 104 SyntacticMatches, 43 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-15 12:05:03,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2729 states. [2018-09-15 12:05:03,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2729 to 2726. [2018-09-15 12:05:03,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2726 states. [2018-09-15 12:05:03,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3652 transitions. [2018-09-15 12:05:03,825 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3652 transitions. Word has length 156 [2018-09-15 12:05:03,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:05:03,826 INFO L480 AbstractCegarLoop]: Abstraction has 2726 states and 3652 transitions. [2018-09-15 12:05:03,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-15 12:05:03,827 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3652 transitions. [2018-09-15 12:05:03,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-09-15 12:05:03,840 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:05:03,841 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 12:05:03,841 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:05:03,842 INFO L82 PathProgramCache]: Analyzing trace with hash 90509141, now seen corresponding path program 1 times [2018-09-15 12:05:03,842 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:05:03,842 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 186 with the following transitions: [2018-09-15 12:05:03,844 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], [2967], [2969], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3266], [3270], [3274], [3278], [3282], [3286], [3290], [3294], [3305], [3309], [3313], [3317], [3321], [3325], [3329], [3333], [3344], [3355], [3366], [3370], [3374], [3378], [3382], [3386], [3390], [3394], [3398], [3402], [3406], [3409], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-09-15 12:05:03,857 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:05:03,857 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:05:22,021 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:05:22,021 INFO L272 AbstractInterpreter]: Visited 137 different actions 267 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-15 12:05:22,025 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:05:27,553 INFO L232 lantSequenceWeakener]: Weakened 183 states. On average, predicates are now at 71.66% of their original sizes. [2018-09-15 12:05:27,553 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:05:29,825 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:05:29,825 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:05:29,826 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 12:05:29,826 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:05:29,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 12:05:29,827 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 12:05:29,830 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-09-15 12:05:29,830 INFO L87 Difference]: Start difference. First operand 2726 states and 3652 transitions. Second operand 12 states. [2018-09-15 12:06:18,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:06:18,219 INFO L93 Difference]: Finished difference Result 5450 states and 8859 transitions. [2018-09-15 12:06:18,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 12:06:18,220 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 185 [2018-09-15 12:06:18,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:06:18,248 INFO L225 Difference]: With dead ends: 5450 [2018-09-15 12:06:18,249 INFO L226 Difference]: Without dead ends: 4340 [2018-09-15 12:06:18,255 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 192 GetRequests, 131 SyntacticMatches, 43 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 492 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-09-15 12:06:18,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4340 states. [2018-09-15 12:06:18,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4340 to 4337. [2018-09-15 12:06:18,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4337 states. [2018-09-15 12:06:18,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4337 states to 4337 states and 5285 transitions. [2018-09-15 12:06:18,413 INFO L78 Accepts]: Start accepts. Automaton has 4337 states and 5285 transitions. Word has length 185 [2018-09-15 12:06:18,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:06:18,414 INFO L480 AbstractCegarLoop]: Abstraction has 4337 states and 5285 transitions. [2018-09-15 12:06:18,414 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 12:06:18,414 INFO L276 IsEmpty]: Start isEmpty. Operand 4337 states and 5285 transitions. [2018-09-15 12:06:18,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-09-15 12:06:18,424 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:06:18,425 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 12:06:18,425 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:06:18,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1346353548, now seen corresponding path program 1 times [2018-09-15 12:06:18,427 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:06:18,427 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 279 with the following transitions: [2018-09-15 12:06:18,428 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], [2967], [2969], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3266], [3270], [3274], [3278], [3282], [3286], [3290], [3294], [3305], [3309], [3313], [3317], [3321], [3325], [3329], [3333], [3344], [3355], [3366], [3370], [3374], [3378], [3382], [3386], [3390], [3394], [3398], [3402], [3406], [3410], [3414], [3425], [3429], [3440], [3451], [3455], [3459], [3463], [3467], [3471], [3475], [3479], [3483], [3487], [3498], [3502], [3506], [3517], [3521], [3525], [3529], [3533], [3537], [3541], [3545], [3556], [3560], [3564], [3568], [3572], [3576], [3580], [3591], [3595], [3599], [3603], [3614], [3618], [3622], [3626], [3630], [3634], [3638], [3642], [3646], [3650], [3654], [3658], [3662], [3666], [3670], [3674], [3678], [3682], [3686], [3690], [3694], [3698], [3709], [3713], [3717], [3721], [3725], [3729], [3733], [3737], [3741], [3745], [3749], [3753], [3757], [3768], [3772], [3776], [3780], [3784], [3788], [3792], [3796], [3800], [3804], [3815], [3819], [3823], [3827], [3831], [3835], [3839], [3843], [3847], [3851], [3862], [3865], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-09-15 12:06:18,448 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:06:18,448 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:06:28,551 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 12:06:50,771 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:06:50,772 INFO L272 AbstractInterpreter]: Visited 230 different actions 453 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-15 12:06:50,806 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:06:57,924 INFO L232 lantSequenceWeakener]: Weakened 276 states. On average, predicates are now at 71.38% of their original sizes. [2018-09-15 12:06:57,924 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:07:03,165 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:07:03,165 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:07:03,165 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 12:07:03,166 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:07:03,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 12:07:03,167 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 12:07:03,167 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-09-15 12:07:03,167 INFO L87 Difference]: Start difference. First operand 4337 states and 5285 transitions. Second operand 12 states. Received shutdown request... [2018-09-15 12:07:08,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-15 12:07:08,152 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 12:07:08,159 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 12:07:08,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 12:07:08 BoogieIcfgContainer [2018-09-15 12:07:08,159 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 12:07:08,163 INFO L168 Benchmark]: Toolchain (without parser) took 230825.94 ms. Allocated memory was 1.5 GB in the beginning and 4.3 GB in the end (delta: 2.8 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -787.3 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-09-15 12:07:08,165 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 12:07:08,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2712.59 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 338.2 MB). Peak memory consumption was 338.2 MB. Max. memory is 7.1 GB. [2018-09-15 12:07:08,167 INFO L168 Benchmark]: Boogie Procedure Inliner took 320.35 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. [2018-09-15 12:07:08,168 INFO L168 Benchmark]: Boogie Preprocessor took 1221.65 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 996.7 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. [2018-09-15 12:07:08,170 INFO L168 Benchmark]: RCFGBuilder took 10885.12 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 163.1 MB). Free memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: -22.0 MB). Peak memory consumption was 750.1 MB. Max. memory is 7.1 GB. [2018-09-15 12:07:08,171 INFO L168 Benchmark]: TraceAbstraction took 215673.32 ms. Allocated memory was 2.7 GB in the beginning and 4.3 GB in the end (delta: 1.6 GB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 128.0 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-09-15 12:07:08,181 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2712.59 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 338.2 MB). Peak memory consumption was 338.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 320.35 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 1221.65 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 996.7 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 10885.12 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 163.1 MB). Free memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: -22.0 MB). Peak memory consumption was 750.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 215673.32 ms. Allocated memory was 2.7 GB in the beginning and 4.3 GB in the end (delta: 1.6 GB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 128.0 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 156]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 156). Cancelled while BasicCegarLoop was constructing difference of abstraction (4337states) and FLOYD_HOARE automaton (currently 7 states, 12 states before enhancement), while ReachableStatesComputation was computing reachable states (65 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 215.5s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 111.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3748 SDtfs, 7701 SDslu, 902 SDs, 0 SdLazy, 18988 SolverSat, 3140 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 103.0s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 689 GetRequests, 509 SyntacticMatches, 129 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1246 ImplicationChecksByTransitivity, 11.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4337occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 73.5s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9950239188672021 AbsIntWeakeningRatio, 0.11641791044776119 AbsIntAvgWeakeningVarsNumRemoved, 100.63582089552239 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 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_label55_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_12-07-08-203.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label55_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_12-07-08-203.csv Completed graceful shutdown