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_INT-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label26_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-11 16:51:34,153 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-11 16:51:34,157 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-11 16:51:34,179 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-11 16:51:34,180 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-11 16:51:34,182 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-11 16:51:34,183 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-11 16:51:34,185 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-11 16:51:34,187 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-11 16:51:34,188 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-11 16:51:34,189 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-11 16:51:34,189 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-11 16:51:34,190 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-11 16:51:34,191 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-11 16:51:34,192 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-11 16:51:34,193 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-11 16:51:34,194 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-11 16:51:34,196 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-11 16:51:34,198 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-11 16:51:34,200 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-11 16:51:34,201 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-11 16:51:34,202 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-11 16:51:34,204 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-11 16:51:34,204 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-11 16:51:34,205 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-11 16:51:34,205 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-11 16:51:34,207 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-11 16:51:34,207 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-11 16:51:34,208 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-11 16:51:34,209 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-11 16:51:34,210 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-11 16:51:34,210 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-11 16:51:34,211 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-11 16:51:34,211 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-11 16:51:34,215 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-11 16:51:34,218 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-11 16:51:34,218 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf [2018-09-11 16:51:34,250 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-11 16:51:34,251 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-11 16:51:34,252 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-11 16:51:34,252 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-11 16:51:34,252 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-11 16:51:34,253 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-11 16:51:34,253 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-11 16:51:34,253 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-11 16:51:34,253 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-11 16:51:34,254 INFO L133 SettingsManager]: * Abstract domain=IntervalDomain [2018-09-11 16:51:34,254 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-11 16:51:34,254 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-11 16:51:34,255 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-11 16:51:34,256 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-11 16:51:34,256 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-11 16:51:34,257 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-11 16:51:34,257 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-11 16:51:34,257 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-11 16:51:34,257 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-11 16:51:34,257 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-11 16:51:34,258 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-11 16:51:34,258 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-11 16:51:34,258 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-11 16:51:34,258 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-11 16:51:34,259 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-11 16:51:34,260 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-11 16:51:34,260 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-11 16:51:34,260 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-11 16:51:34,260 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-11 16:51:34,261 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-11 16:51:34,261 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-11 16:51:34,261 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-11 16:51:34,261 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-11 16:51:34,262 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-11 16:51:34,336 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-11 16:51:34,356 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-11 16:51:34,364 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-11 16:51:34,366 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-11 16:51:34,366 INFO L276 PluginConnector]: CDTParser initialized [2018-09-11 16:51:34,367 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label26_true-unreach-call.c [2018-09-11 16:51:34,744 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b63f0fe1d/ce2dcf8c5f7c41c0892e552891d272dc/FLAG76088fccf [2018-09-11 16:51:35,131 INFO L276 CDTParser]: Found 1 translation units. [2018-09-11 16:51:35,132 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label26_true-unreach-call.c [2018-09-11 16:51:35,170 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b63f0fe1d/ce2dcf8c5f7c41c0892e552891d272dc/FLAG76088fccf [2018-09-11 16:51:35,193 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b63f0fe1d/ce2dcf8c5f7c41c0892e552891d272dc [2018-09-11 16:51:35,208 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-11 16:51:35,212 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-11 16:51:35,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-11 16:51:35,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-11 16:51:35,226 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-11 16:51:35,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:51:35" (1/1) ... [2018-09-11 16:51:35,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bbc8a96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:51:35, skipping insertion in model container [2018-09-11 16:51:35,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:51:35" (1/1) ... [2018-09-11 16:51:35,546 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-11 16:51:36,176 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-11 16:51:36,195 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-11 16:51:36,868 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-11 16:51:37,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:51:37 WrapperNode [2018-09-11 16:51:37,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-11 16:51:37,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-11 16:51:37,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-11 16:51:37,053 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-11 16:51:37,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:51:37" (1/1) ... [2018-09-11 16:51:37,138 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:51:37" (1/1) ... [2018-09-11 16:51:37,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-11 16:51:37,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-11 16:51:37,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-11 16:51:37,346 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-11 16:51:37,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:51:37" (1/1) ... [2018-09-11 16:51:37,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:51:37" (1/1) ... [2018-09-11 16:51:37,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:51:37" (1/1) ... [2018-09-11 16:51:37,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:51:37" (1/1) ... [2018-09-11 16:51:37,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:51:37" (1/1) ... [2018-09-11 16:51:37,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:51:37" (1/1) ... [2018-09-11 16:51:38,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:51:37" (1/1) ... [2018-09-11 16:51:38,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-11 16:51:38,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-11 16:51:38,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-11 16:51:38,071 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-11 16:51:38,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:51:37" (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 [2018-09-11 16:51:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-11 16:51:38,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-11 16:51:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-09-11 16:51:38,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-09-11 16:51:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-11 16:51:38,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-11 16:51:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-11 16:51:38,150 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-11 16:51:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-09-11 16:51:38,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-09-11 16:51:46,024 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-11 16:51:46,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:51:46 BoogieIcfgContainer [2018-09-11 16:51:46,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-11 16:51:46,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-11 16:51:46,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-11 16:51:46,034 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-11 16:51:46,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.09 04:51:35" (1/3) ... [2018-09-11 16:51:46,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d399378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 04:51:46, skipping insertion in model container [2018-09-11 16:51:46,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:51:37" (2/3) ... [2018-09-11 16:51:46,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d399378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 04:51:46, skipping insertion in model container [2018-09-11 16:51:46,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:51:46" (3/3) ... [2018-09-11 16:51:46,040 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label26_true-unreach-call.c [2018-09-11 16:51:46,051 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-11 16:51:46,065 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-11 16:51:46,125 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-11 16:51:46,126 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-11 16:51:46,127 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-11 16:51:46,127 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-11 16:51:46,127 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-11 16:51:46,127 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-11 16:51:46,127 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-11 16:51:46,128 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-11 16:51:46,128 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-11 16:51:46,162 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-09-11 16:51:46,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-11 16:51:46,173 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 16:51:46,175 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] [2018-09-11 16:51:46,176 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 16:51:46,182 INFO L82 PathProgramCache]: Analyzing trace with hash -155037732, now seen corresponding path program 1 times [2018-09-11 16:51:46,184 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 16:51:46,185 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 61 with the following transitions: [2018-09-11 16:51:46,188 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [381], [383], [1567], [1571], [1577], [1581], [1662], [1663], [1664], [1666] [2018-09-11 16:51:46,231 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-11 16:51:46,232 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown