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/Problem03_label19_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 10:00:05,381 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 10:00:05,383 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 10:00:05,396 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 10:00:05,396 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 10:00:05,398 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 10:00:05,399 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 10:00:05,402 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 10:00:05,404 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 10:00:05,407 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 10:00:05,410 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 10:00:05,410 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 10:00:05,411 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 10:00:05,412 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 10:00:05,416 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 10:00:05,417 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 10:00:05,418 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 10:00:05,420 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 10:00:05,422 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 10:00:05,424 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 10:00:05,425 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 10:00:05,428 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 10:00:05,434 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 10:00:05,434 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 10:00:05,435 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 10:00:05,436 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 10:00:05,437 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 10:00:05,437 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 10:00:05,438 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 10:00:05,439 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 10:00:05,440 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 10:00:05,440 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 10:00:05,441 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 10:00:05,441 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 10:00:05,442 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 10:00:05,443 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 10:00:05,443 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 10:00:05,466 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 10:00:05,466 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 10:00:05,467 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 10:00:05,467 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 10:00:05,467 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 10:00:05,468 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 10:00:05,468 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 10:00:05,468 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 10:00:05,468 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 10:00:05,468 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 10:00:05,469 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 10:00:05,469 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 10:00:05,470 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 10:00:05,470 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 10:00:05,470 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 10:00:05,470 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 10:00:05,470 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 10:00:05,470 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 10:00:05,471 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 10:00:05,471 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 10:00:05,471 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 10:00:05,471 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 10:00:05,471 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 10:00:05,472 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 10:00:05,472 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 10:00:05,472 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 10:00:05,472 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 10:00:05,472 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 10:00:05,473 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 10:00:05,473 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 10:00:05,473 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 10:00:05,473 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 10:00:05,473 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 10:00:05,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 10:00:05,536 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 10:00:05,541 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 10:00:05,542 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 10:00:05,543 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 10:00:05,544 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label19_true-unreach-call.c [2018-09-15 10:00:05,908 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d7ddd3e2/eaac8bf092bd4a518ad2a71c6d3bf8f8/FLAGde93edd0f [2018-09-15 10:00:06,374 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 10:00:06,375 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label19_true-unreach-call.c [2018-09-15 10:00:06,401 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d7ddd3e2/eaac8bf092bd4a518ad2a71c6d3bf8f8/FLAGde93edd0f [2018-09-15 10:00:06,427 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d7ddd3e2/eaac8bf092bd4a518ad2a71c6d3bf8f8 [2018-09-15 10:00:06,442 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 10:00:06,448 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 10:00:06,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 10:00:06,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 10:00:06,459 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 10:00:06,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 10:00:06" (1/1) ... [2018-09-15 10:00:06,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f1dc611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:00:06, skipping insertion in model container [2018-09-15 10:00:06,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 10:00:06" (1/1) ... [2018-09-15 10:00:06,478 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 10:00:07,245 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 10:00:07,271 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 10:00:07,538 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 10:00:07,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:00:07 WrapperNode [2018-09-15 10:00:07,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 10:00:07,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 10:00:07,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 10:00:07,612 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 10:00:07,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:00:07" (1/1) ... [2018-09-15 10:00:07,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:00:07" (1/1) ... [2018-09-15 10:00:07,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 10:00:07,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 10:00:07,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 10:00:07,813 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 10:00:08,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:00:07" (1/1) ... [2018-09-15 10:00:08,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:00:07" (1/1) ... [2018-09-15 10:00:08,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:00:07" (1/1) ... [2018-09-15 10:00:08,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:00:07" (1/1) ... [2018-09-15 10:00:08,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:00:07" (1/1) ... [2018-09-15 10:00:08,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:00:07" (1/1) ... [2018-09-15 10:00:08,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:00:07" (1/1) ... [2018-09-15 10:00:08,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 10:00:08,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 10:00:08,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 10:00:08,307 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 10:00:08,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:00:07" (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 10:00:08,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 10:00:08,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 10:00:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 10:00:08,402 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 10:00:08,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 10:00:08,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 10:00:08,403 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 10:00:08,403 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 10:00:13,609 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 10:00:13,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 10:00:13 BoogieIcfgContainer [2018-09-15 10:00:13,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 10:00:13,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 10:00:13,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 10:00:13,616 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 10:00:13,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 10:00:06" (1/3) ... [2018-09-15 10:00:13,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a154a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 10:00:13, skipping insertion in model container [2018-09-15 10:00:13,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 10:00:07" (2/3) ... [2018-09-15 10:00:13,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a154a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 10:00:13, skipping insertion in model container [2018-09-15 10:00:13,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 10:00:13" (3/3) ... [2018-09-15 10:00:13,622 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label19_true-unreach-call.c [2018-09-15 10:00:13,633 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 10:00:13,644 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 10:00:13,717 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 10:00:13,718 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 10:00:13,718 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 10:00:13,718 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 10:00:13,718 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 10:00:13,719 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 10:00:13,719 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 10:00:13,719 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 10:00:13,719 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 10:00:13,756 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2018-09-15 10:00:13,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-09-15 10:00:13,792 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 10:00:13,793 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:00:13,795 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 10:00:13,800 INFO L82 PathProgramCache]: Analyzing trace with hash 2122630385, now seen corresponding path program 1 times [2018-09-15 10:00:13,803 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 10:00:13,804 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 195 with the following transitions: [2018-09-15 10:00:13,809 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1013], [1015], [1161], [1165], [1171], [1175], [1182], [1183], [1184], [1186] [2018-09-15 10:00:13,935 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 10:00:13,936 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-09-15 10:04:53,153 WARN L572 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-09-15 10:04:53,154 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-09-15 10:04:53,156 INFO L443 BasicCegarLoop]: Counterexample might be feasible Cannot interrupt operation gracefully because timeout expired. Forcing shutdown