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_INTCON-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label08_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 15:12:33,473 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 15:12:33,475 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 15:12:33,488 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 15:12:33,488 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 15:12:33,489 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 15:12:33,490 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 15:12:33,492 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 15:12:33,494 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 15:12:33,495 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 15:12:33,496 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 15:12:33,496 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 15:12:33,497 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 15:12:33,498 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 15:12:33,499 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 15:12:33,500 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 15:12:33,501 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 15:12:33,502 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 15:12:33,504 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 15:12:33,506 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 15:12:33,507 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 15:12:33,508 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 15:12:33,510 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-08-08 15:12:33,511 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-08-08 15:12:33,511 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-08-08 15:12:33,512 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-08-08 15:12:33,513 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-08-08 15:12:33,514 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-08-08 15:12:33,514 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-08-08 15:12:33,515 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-08-08 15:12:33,516 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-08-08 15:12:33,516 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-08-08 15:12:33,516 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-08-08 15:12:33,517 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-08-08 15:12:33,518 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-08-08 15:12:33,518 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-08-08 15:12:33,519 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf [2018-08-08 15:12:33,535 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 15:12:33,535 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 15:12:33,536 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 15:12:33,536 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 15:12:33,536 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 15:12:33,537 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 15:12:33,537 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 15:12:33,537 INFO L133 SettingsManager]: * Octagon Domain=false [2018-08-08 15:12:33,537 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-08-08 15:12:33,537 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 15:12:33,538 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 15:12:33,538 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 15:12:33,539 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 15:12:33,539 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 15:12:33,539 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 15:12:33,539 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 15:12:33,539 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 15:12:33,540 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 15:12:33,540 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 15:12:33,540 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 15:12:33,540 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 15:12:33,540 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 15:12:33,541 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 15:12:33,541 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 15:12:33,541 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 15:12:33,541 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 15:12:33,541 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 15:12:33,542 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 15:12:33,542 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 15:12:33,542 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 15:12:33,542 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 15:12:33,542 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 15:12:33,543 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 15:12:33,586 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 15:12:33,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 15:12:33,605 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 15:12:33,607 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 15:12:33,607 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 15:12:33,608 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label08_true-unreach-call_false-termination.c [2018-08-08 15:12:33,968 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c4203854/306c3202553b46f797965d91b1dcd3f9/FLAGd80ab5760 [2018-08-08 15:12:34,191 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 15:12:34,192 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label08_true-unreach-call_false-termination.c [2018-08-08 15:12:34,217 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c4203854/306c3202553b46f797965d91b1dcd3f9/FLAGd80ab5760 [2018-08-08 15:12:34,244 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c4203854/306c3202553b46f797965d91b1dcd3f9 [2018-08-08 15:12:34,255 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 15:12:34,257 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 15:12:34,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 15:12:34,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 15:12:34,265 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 15:12:34,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 03:12:34" (1/1) ... [2018-08-08 15:12:34,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e2d1f42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:12:34, skipping insertion in model container [2018-08-08 15:12:34,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 03:12:34" (1/1) ... [2018-08-08 15:12:34,475 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 15:12:34,768 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 15:12:34,784 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 15:12:34,931 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 15:12:34,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:12:34 WrapperNode [2018-08-08 15:12:34,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 15:12:34,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 15:12:34,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 15:12:34,978 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 15:12:34,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:12:34" (1/1) ... [2018-08-08 15:12:35,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:12:34" (1/1) ... [2018-08-08 15:12:35,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 15:12:35,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 15:12:35,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 15:12:35,067 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 15:12:35,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:12:34" (1/1) ... [2018-08-08 15:12:35,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:12:34" (1/1) ... [2018-08-08 15:12:35,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:12:34" (1/1) ... [2018-08-08 15:12:35,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:12:34" (1/1) ... [2018-08-08 15:12:35,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:12:34" (1/1) ... [2018-08-08 15:12:35,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:12:34" (1/1) ... [2018-08-08 15:12:35,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:12:34" (1/1) ... [2018-08-08 15:12:35,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 15:12:35,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 15:12:35,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 15:12:35,160 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 15:12:35,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:12:34" (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 [2018-08-08 15:12:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-08-08 15:12:35,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-08-08 15:12:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 15:12:35,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 15:12:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 15:12:35,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 15:12:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 15:12:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 15:12:38,742 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 15:12:38,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 03:12:38 BoogieIcfgContainer [2018-08-08 15:12:38,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 15:12:38,744 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 15:12:38,744 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 15:12:38,748 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 15:12:38,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 03:12:34" (1/3) ... [2018-08-08 15:12:38,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d853e68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 03:12:38, skipping insertion in model container [2018-08-08 15:12:38,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:12:34" (2/3) ... [2018-08-08 15:12:38,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d853e68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 03:12:38, skipping insertion in model container [2018-08-08 15:12:38,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 03:12:38" (3/3) ... [2018-08-08 15:12:38,752 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label08_true-unreach-call_false-termination.c [2018-08-08 15:12:38,762 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 15:12:38,772 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 15:12:38,827 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 15:12:38,828 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 15:12:38,828 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 15:12:38,828 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 15:12:38,828 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 15:12:38,828 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 15:12:38,829 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 15:12:38,829 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 15:12:38,829 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 15:12:38,857 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-08-08 15:12:38,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-08-08 15:12:38,872 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 15:12:38,874 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 15:12:38,875 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 15:12:38,881 INFO L82 PathProgramCache]: Analyzing trace with hash -826481979, now seen corresponding path program 1 times [2018-08-08 15:12:38,883 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 15:12:38,885 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 130 with the following transitions: [2018-08-08 15:12:38,888 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [12], [16], [20], [24], [28], [32], [36], [40], [51], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [169], [173], [177], [181], [185], [189], [193], [197], [208], [212], [216], [220], [231], [235], [239], [243], [247], [251], [255], [266], [270], [281], [285], [296], [307], [311], [315], [319], [323], [327], [331], [342], [346], [350], [354], [358], [362], [366], [370], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [862], [863], [867], [871], [877], [881], [888], [889], [890], [892] [2018-08-08 15:12:38,939 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-08-08 15:12:38,939 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2)