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/Problem02_label51_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 13:21:36,883 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 13:21:36,886 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 13:21:36,898 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 13:21:36,899 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 13:21:36,900 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 13:21:36,901 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 13:21:36,903 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 13:21:36,905 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 13:21:36,906 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 13:21:36,906 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 13:21:36,907 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 13:21:36,908 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 13:21:36,909 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 13:21:36,910 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 13:21:36,911 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 13:21:36,911 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 13:21:36,913 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 13:21:36,915 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 13:21:36,917 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 13:21:36,918 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 13:21:36,919 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 13:21:36,921 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-15 13:21:36,930 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 [2018-09-15 13:21:36,945 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 13:21:36,946 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 13:21:36,946 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 13:21:36,947 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 13:21:36,947 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 13:21:36,947 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 13:21:36,947 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-15 13:21:36,947 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 13:21:36,948 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-15 13:21:36,948 INFO L133 SettingsManager]: * Abstract domain=IntervalDomain [2018-09-15 13:21:36,948 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 13:21:36,948 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 13:21:36,949 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 13:21:36,949 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 13:21:36,949 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 13:21:36,950 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 13:21:36,950 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 13:21:36,950 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 13:21:36,950 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 13:21:36,950 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 13:21:36,951 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 13:21:36,951 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 13:21:36,951 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 13:21:36,951 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 13:21:36,951 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 13:21:36,952 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 13:21:36,952 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 13:21:36,952 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 13:21:36,952 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 13:21:36,952 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 13:21:36,953 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 13:21:36,953 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 13:21:36,953 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 13:21:36,953 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 13:21:36,999 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 13:21:37,022 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 13:21:37,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 13:21:37,029 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 13:21:37,029 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 13:21:37,030 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label51_true-unreach-call_false-termination.c [2018-09-15 13:21:37,429 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfcfe4d47/2089c863decf4555ad3913562feca3d0/FLAG312204f5b [2018-09-15 13:21:37,712 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 13:21:37,713 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label51_true-unreach-call_false-termination.c [2018-09-15 13:21:37,731 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfcfe4d47/2089c863decf4555ad3913562feca3d0/FLAG312204f5b [2018-09-15 13:21:37,746 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfcfe4d47/2089c863decf4555ad3913562feca3d0 [2018-09-15 13:21:37,758 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 13:21:37,761 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 13:21:37,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 13:21:37,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 13:21:37,770 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 13:21:37,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 01:21:37" (1/1) ... [2018-09-15 13:21:37,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f00c975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:21:37, skipping insertion in model container [2018-09-15 13:21:37,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 01:21:37" (1/1) ... [2018-09-15 13:21:37,787 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 13:21:38,311 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 13:21:38,330 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 13:21:38,498 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 13:21:38,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:21:38 WrapperNode [2018-09-15 13:21:38,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 13:21:38,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 13:21:38,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 13:21:38,541 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 13:21:38,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:21:38" (1/1) ... [2018-09-15 13:21:38,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:21:38" (1/1) ... [2018-09-15 13:21:38,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 13:21:38,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 13:21:38,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 13:21:38,625 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 13:21:38,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:21:38" (1/1) ... [2018-09-15 13:21:38,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:21:38" (1/1) ... [2018-09-15 13:21:38,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:21:38" (1/1) ... [2018-09-15 13:21:38,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:21:38" (1/1) ... [2018-09-15 13:21:38,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:21:38" (1/1) ... [2018-09-15 13:21:38,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:21:38" (1/1) ... [2018-09-15 13:21:38,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:21:38" (1/1) ... [2018-09-15 13:21:38,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 13:21:38,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 13:21:38,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 13:21:38,849 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 13:21:38,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:21:38" (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 13:21:38,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 13:21:38,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 13:21:38,925 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 13:21:38,925 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 13:21:38,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 13:21:38,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 13:21:38,925 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 13:21:38,925 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 13:21:42,026 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 13:21:42,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 01:21:42 BoogieIcfgContainer [2018-09-15 13:21:42,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 13:21:42,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 13:21:42,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 13:21:42,032 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 13:21:42,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 01:21:37" (1/3) ... [2018-09-15 13:21:42,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56dbd5fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 01:21:42, skipping insertion in model container [2018-09-15 13:21:42,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:21:38" (2/3) ... [2018-09-15 13:21:42,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56dbd5fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 01:21:42, skipping insertion in model container [2018-09-15 13:21:42,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 01:21:42" (3/3) ... [2018-09-15 13:21:42,036 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label51_true-unreach-call_false-termination.c [2018-09-15 13:21:42,047 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 13:21:42,056 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 13:21:42,117 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 13:21:42,118 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 13:21:42,118 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 13:21:42,118 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 13:21:42,119 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 13:21:42,119 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 13:21:42,119 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 13:21:42,119 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 13:21:42,119 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 13:21:42,159 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-09-15 13:21:42,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-09-15 13:21:42,176 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 13:21:42,177 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] [2018-09-15 13:21:42,179 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 13:21:42,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1195562327, now seen corresponding path program 1 times [2018-09-15 13:21:42,187 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 13:21:42,188 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 118 with the following transitions: [2018-09-15 13:21:42,191 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [607], [609], [867], [871], [877], [881], [888], [889], [890], [892] [2018-09-15 13:21:42,239 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-15 13:21:42,239 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)