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/Problem02_label08_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 09:41:07,599 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 09:41:07,601 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 09:41:07,617 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 09:41:07,618 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 09:41:07,620 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 09:41:07,621 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 09:41:07,624 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 09:41:07,626 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 09:41:07,627 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 09:41:07,628 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 09:41:07,628 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 09:41:07,629 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 09:41:07,630 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 09:41:07,631 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 09:41:07,632 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 09:41:07,633 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 09:41:07,636 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 09:41:07,640 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 09:41:07,642 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 09:41:07,647 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 09:41:07,650 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 09:41:07,655 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-15 09:41:07,671 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 09:41:07,672 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 09:41:07,674 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 09:41:07,675 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 09:41:07,675 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 09:41:07,710 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 09:41:07,711 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 09:41:07,712 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 09:41:07,713 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 09:41:07,713 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 09:41:07,713 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 09:41:07,714 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 09:41:07,714 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 09:41:07,714 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 09:41:07,714 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 09:41:07,714 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 09:41:07,715 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 09:41:07,717 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 09:41:07,717 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 09:41:07,717 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 09:41:07,717 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 09:41:07,717 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 09:41:07,718 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 09:41:07,718 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 09:41:07,718 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 09:41:07,720 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 09:41:07,720 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 09:41:07,721 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 09:41:07,721 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 09:41:07,721 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 09:41:07,721 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 09:41:07,722 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 09:41:07,722 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 09:41:07,722 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 09:41:07,722 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 09:41:07,723 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 09:41:07,723 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 09:41:07,723 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 09:41:07,803 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 09:41:07,825 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 09:41:07,833 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 09:41:07,835 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 09:41:07,836 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 09:41:07,837 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label08_true-unreach-call_false-termination.c [2018-09-15 09:41:08,229 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/970063181/36bdd2a1ed74497dbcb0c7302292db71/FLAG809871f63 [2018-09-15 09:41:08,540 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 09:41:08,541 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label08_true-unreach-call_false-termination.c [2018-09-15 09:41:08,571 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/970063181/36bdd2a1ed74497dbcb0c7302292db71/FLAG809871f63 [2018-09-15 09:41:08,588 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/970063181/36bdd2a1ed74497dbcb0c7302292db71 [2018-09-15 09:41:08,602 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 09:41:08,607 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 09:41:08,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 09:41:08,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 09:41:08,616 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 09:41:08,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 09:41:08" (1/1) ... [2018-09-15 09:41:08,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c5c827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:41:08, skipping insertion in model container [2018-09-15 09:41:08,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 09:41:08" (1/1) ... [2018-09-15 09:41:08,637 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 09:41:09,156 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 09:41:09,178 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 09:41:09,322 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 09:41:09,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:41:09 WrapperNode [2018-09-15 09:41:09,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 09:41:09,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 09:41:09,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 09:41:09,364 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 09:41:09,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:41:09" (1/1) ... [2018-09-15 09:41:09,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:41:09" (1/1) ... [2018-09-15 09:41:09,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 09:41:09,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 09:41:09,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 09:41:09,480 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 09:41:09,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:41:09" (1/1) ... [2018-09-15 09:41:09,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:41:09" (1/1) ... [2018-09-15 09:41:09,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:41:09" (1/1) ... [2018-09-15 09:41:09,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:41:09" (1/1) ... [2018-09-15 09:41:09,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:41:09" (1/1) ... [2018-09-15 09:41:09,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:41:09" (1/1) ... [2018-09-15 09:41:09,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:41:09" (1/1) ... [2018-09-15 09:41:09,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 09:41:09,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 09:41:09,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 09:41:09,764 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 09:41:09,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:41:09" (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 09:41:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 09:41:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 09:41:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 09:41:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 09:41:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 09:41:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 09:41:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 09:41:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 09:41:13,778 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 09:41:13,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 09:41:13 BoogieIcfgContainer [2018-09-15 09:41:13,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 09:41:13,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 09:41:13,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 09:41:13,788 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 09:41:13,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 09:41:08" (1/3) ... [2018-09-15 09:41:13,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c97f18e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 09:41:13, skipping insertion in model container [2018-09-15 09:41:13,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:41:09" (2/3) ... [2018-09-15 09:41:13,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c97f18e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 09:41:13, skipping insertion in model container [2018-09-15 09:41:13,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 09:41:13" (3/3) ... [2018-09-15 09:41:13,794 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label08_true-unreach-call_false-termination.c [2018-09-15 09:41:13,806 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 09:41:13,817 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 09:41:13,879 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 09:41:13,879 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 09:41:13,880 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 09:41:13,880 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 09:41:13,880 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 09:41:13,880 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 09:41:13,880 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 09:41:13,880 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 09:41:13,881 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 09:41:13,913 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-09-15 09:41:13,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-09-15 09:41:13,932 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 09:41:13,934 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] [2018-09-15 09:41:13,936 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 09:41:13,942 INFO L82 PathProgramCache]: Analyzing trace with hash 215760967, now seen corresponding path program 1 times [2018-09-15 09:41:13,945 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 09:41:13,947 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 130 with the following transitions: [2018-09-15 09:41:13,951 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], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [703], [705], [867], [871], [877], [881], [888], [889], [890], [892] [2018-09-15 09:41:14,034 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 09:41:14,035 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 09:41:35,870 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 09:41:35,872 INFO L272 AbstractInterpreter]: Visited 128 different actions 128 times. Never merged. Never widened. Never found a fixpoint. Largest state had 37 variables. [2018-09-15 09:41:35,889 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 09:41:39,800 INFO L232 lantSequenceWeakener]: Weakened 127 states. On average, predicates are now at 81.3% of their original sizes. [2018-09-15 09:41:39,801 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 09:41:40,869 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 09:41:40,871 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 09:41:40,871 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-15 09:41:40,871 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 09:41:40,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-15 09:41:40,884 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-15 09:41:40,885 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-09-15 09:41:40,888 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 10 states. [2018-09-15 09:41:45,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 09:41:45,573 INFO L93 Difference]: Finished difference Result 622 states and 1061 transitions. [2018-09-15 09:41:45,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-15 09:41:45,575 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 129 [2018-09-15 09:41:45,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 09:41:45,592 INFO L225 Difference]: With dead ends: 622 [2018-09-15 09:41:45,592 INFO L226 Difference]: Without dead ends: 383 [2018-09-15 09:41:45,598 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 132 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-09-15 09:41:45,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-09-15 09:41:45,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 380. [2018-09-15 09:41:45,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-09-15 09:41:45,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 531 transitions. [2018-09-15 09:41:45,684 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 531 transitions. Word has length 129 [2018-09-15 09:41:45,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 09:41:45,685 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 531 transitions. [2018-09-15 09:41:45,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-15 09:41:45,688 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 531 transitions. [2018-09-15 09:41:45,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-09-15 09:41:45,705 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 09:41:45,705 INFO L376 BasicCegarLoop]: trace histogram [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] [2018-09-15 09:41:45,709 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 09:41:45,709 INFO L82 PathProgramCache]: Analyzing trace with hash 21384838, now seen corresponding path program 1 times [2018-09-15 09:41:45,709 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 09:41:45,710 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 140 with the following transitions: [2018-09-15 09:41:45,711 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [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], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [703], [705], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-15 09:41:45,728 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 09:41:45,728 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 09:43:23,782 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 09:43:23,783 INFO L272 AbstractInterpreter]: Visited 132 different actions 258 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-09-15 09:43:23,790 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 09:43:33,306 INFO L232 lantSequenceWeakener]: Weakened 137 states. On average, predicates are now at 81.3% of their original sizes. [2018-09-15 09:43:33,307 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 09:43:36,728 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 09:43:36,729 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 09:43:36,729 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-09-15 09:43:36,729 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 09:43:36,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-15 09:43:36,732 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-15 09:43:36,732 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-09-15 09:43:36,733 INFO L87 Difference]: Start difference. First operand 380 states and 531 transitions. Second operand 15 states. [2018-09-15 09:43:49,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 09:43:49,937 INFO L93 Difference]: Finished difference Result 907 states and 1349 transitions. [2018-09-15 09:43:49,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-09-15 09:43:49,939 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 139 [2018-09-15 09:43:49,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 09:43:49,948 INFO L225 Difference]: With dead ends: 907 [2018-09-15 09:43:49,948 INFO L226 Difference]: Without dead ends: 533 [2018-09-15 09:43:49,953 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 154 GetRequests, 83 SyntacticMatches, 42 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 634 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=221, Invalid=709, Unknown=0, NotChecked=0, Total=930 [2018-09-15 09:43:49,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2018-09-15 09:43:50,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 527. [2018-09-15 09:43:50,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2018-09-15 09:43:50,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 690 transitions. [2018-09-15 09:43:50,012 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 690 transitions. Word has length 139 [2018-09-15 09:43:50,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 09:43:50,013 INFO L480 AbstractCegarLoop]: Abstraction has 527 states and 690 transitions. [2018-09-15 09:43:50,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-15 09:43:50,014 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 690 transitions. [2018-09-15 09:43:50,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-09-15 09:43:50,017 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 09:43:50,017 INFO L376 BasicCegarLoop]: trace histogram [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] [2018-09-15 09:43:50,018 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 09:43:50,018 INFO L82 PathProgramCache]: Analyzing trace with hash -471714162, now seen corresponding path program 1 times [2018-09-15 09:43:50,018 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 09:43:50,019 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 144 with the following transitions: [2018-09-15 09:43:50,019 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [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], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [703], [705], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-15 09:43:50,025 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 09:43:50,025 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 09:45:27,323 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 09:45:27,323 INFO L272 AbstractInterpreter]: Visited 132 different actions 258 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-09-15 09:45:27,329 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates Received shutdown request... [2018-09-15 09:45:35,613 INFO L232 lantSequenceWeakener]: Weakened 141 states. On average, predicates are now at 81.28% of their original sizes. [2018-09-15 09:45:35,614 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 09:45:35,635 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 09:45:35,639 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 09:45:35,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 09:45:35 BoogieIcfgContainer [2018-09-15 09:45:35,640 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 09:45:35,641 INFO L168 Benchmark]: Toolchain (without parser) took 267037.76 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 3.5 GB in the end (delta: -2.1 GB). Peak memory consumption was 378.8 MB. Max. memory is 7.1 GB. [2018-09-15 09:45:35,643 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 09:45:35,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 755.16 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. [2018-09-15 09:45:35,645 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.48 ms. Allocated memory is still 1.5 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 09:45:35,645 INFO L168 Benchmark]: Boogie Preprocessor took 282.89 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 729.3 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -816.1 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2018-09-15 09:45:35,646 INFO L168 Benchmark]: RCFGBuilder took 4018.99 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 110.3 MB). Peak memory consumption was 110.3 MB. Max. memory is 7.1 GB. [2018-09-15 09:45:35,647 INFO L168 Benchmark]: TraceAbstraction took 261856.88 ms. Allocated memory was 2.2 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.0 GB in the beginning and 3.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 310.4 MB. Max. memory is 7.1 GB. [2018-09-15 09:45:35,652 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 755.16 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 115.48 ms. Allocated memory is still 1.5 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 282.89 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 729.3 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -816.1 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4018.99 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 110.3 MB). Peak memory consumption was 110.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 261856.88 ms. Allocated memory was 2.2 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.0 GB in the beginning and 3.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 310.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 538]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 538). Cancelled while BasicCegarLoop was analyzing trace of length 144 with TraceHistMax 2, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 3 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. TIMEOUT Result, 261.7s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 17.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 483 SDtfs, 1709 SDslu, 768 SDs, 0 SdLazy, 3301 SolverSat, 301 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.7s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 286 GetRequests, 203 SyntacticMatches, 42 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 646 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=527occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 217.3s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.9947527829687269 AbsIntWeakeningRatio, 0.18382352941176472 AbsIntAvgWeakeningVarsNumRemoved, 810.2769607843137 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 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/Problem02_label08_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_09-45-35-667.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem02_label08_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_09-45-35-667.csv Completed graceful shutdown