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_label56_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 09:54:38,552 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 09:54:38,554 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 09:54:38,570 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 09:54:38,570 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 09:54:38,572 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 09:54:38,573 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 09:54:38,575 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 09:54:38,576 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 09:54:38,577 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 09:54:38,578 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 09:54:38,579 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 09:54:38,579 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 09:54:38,580 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 09:54:38,582 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 09:54:38,582 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 09:54:38,583 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 09:54:38,585 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 09:54:38,587 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 09:54:38,589 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 09:54:38,590 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 09:54:38,591 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 09:54:38,594 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 09:54:38,594 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 09:54:38,594 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 09:54:38,595 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 09:54:38,597 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 09:54:38,600 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 09:54:38,601 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 09:54:38,602 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 09:54:38,602 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 09:54:38,603 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 09:54:38,603 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 09:54:38,603 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 09:54:38,605 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 09:54:38,606 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 09:54:38,606 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 09:54:38,625 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 09:54:38,626 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 09:54:38,627 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 09:54:38,627 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 09:54:38,627 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 09:54:38,627 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 09:54:38,627 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 09:54:38,628 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 09:54:38,628 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 09:54:38,628 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 09:54:38,628 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 09:54:38,629 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 09:54:38,629 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 09:54:38,629 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 09:54:38,630 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 09:54:38,630 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 09:54:38,630 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 09:54:38,630 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 09:54:38,630 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 09:54:38,631 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 09:54:38,631 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 09:54:38,631 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 09:54:38,631 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 09:54:38,631 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 09:54:38,632 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 09:54:38,632 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 09:54:38,632 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 09:54:38,632 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 09:54:38,632 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 09:54:38,633 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 09:54:38,633 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 09:54:38,633 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 09:54:38,633 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 09:54:38,683 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 09:54:38,697 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 09:54:38,702 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 09:54:38,704 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 09:54:38,704 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 09:54:38,705 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label56_true-unreach-call_false-termination.c [2018-09-15 09:54:39,110 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f767acf5/dca93d6e89074d3c8e57a718b56cabed/FLAG21eb23eb5 [2018-09-15 09:54:39,453 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 09:54:39,454 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label56_true-unreach-call_false-termination.c [2018-09-15 09:54:39,485 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f767acf5/dca93d6e89074d3c8e57a718b56cabed/FLAG21eb23eb5 [2018-09-15 09:54:39,515 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f767acf5/dca93d6e89074d3c8e57a718b56cabed [2018-09-15 09:54:39,528 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 09:54:39,531 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 09:54:39,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 09:54:39,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 09:54:39,542 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 09:54:39,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 09:54:39" (1/1) ... [2018-09-15 09:54:39,547 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 09:54:39, skipping insertion in model container [2018-09-15 09:54:39,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 09:54:39" (1/1) ... [2018-09-15 09:54:39,561 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 09:54:40,065 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 09:54:40,089 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 09:54:40,258 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 09:54:40,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:54:40 WrapperNode [2018-09-15 09:54:40,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 09:54:40,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 09:54:40,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 09:54:40,305 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 09:54:40,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:54:40" (1/1) ... [2018-09-15 09:54:40,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:54:40" (1/1) ... [2018-09-15 09:54:40,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 09:54:40,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 09:54:40,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 09:54:40,418 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 09:54:40,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:54:40" (1/1) ... [2018-09-15 09:54:40,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:54:40" (1/1) ... [2018-09-15 09:54:40,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:54:40" (1/1) ... [2018-09-15 09:54:40,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:54:40" (1/1) ... [2018-09-15 09:54:40,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:54:40" (1/1) ... [2018-09-15 09:54:40,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:54:40" (1/1) ... [2018-09-15 09:54:40,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:54:40" (1/1) ... [2018-09-15 09:54:40,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 09:54:40,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 09:54:40,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 09:54:40,689 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 09:54:40,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:54:40" (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 09:54:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 09:54:40,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 09:54:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 09:54:40,782 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 09:54:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 09:54:40,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 09:54:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 09:54:40,782 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 09:54:44,363 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 09:54:44,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 09:54:44 BoogieIcfgContainer [2018-09-15 09:54:44,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 09:54:44,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 09:54:44,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 09:54:44,371 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 09:54:44,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 09:54:39" (1/3) ... [2018-09-15 09:54:44,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@521dc175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 09:54:44, skipping insertion in model container [2018-09-15 09:54:44,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 09:54:40" (2/3) ... [2018-09-15 09:54:44,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@521dc175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 09:54:44, skipping insertion in model container [2018-09-15 09:54:44,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 09:54:44" (3/3) ... [2018-09-15 09:54:44,376 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label56_true-unreach-call_false-termination.c [2018-09-15 09:54:44,388 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 09:54:44,401 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 09:54:44,465 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 09:54:44,466 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 09:54:44,466 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 09:54:44,466 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 09:54:44,466 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 09:54:44,466 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 09:54:44,467 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 09:54:44,467 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 09:54:44,467 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 09:54:44,497 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-09-15 09:54:44,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-09-15 09:54:44,514 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 09:54:44,516 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] [2018-09-15 09:54:44,518 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 09:54:44,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1901339872, now seen corresponding path program 1 times [2018-09-15 09:54:44,527 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 09:54:44,529 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 131 with the following transitions: [2018-09-15 09:54:44,534 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], [707], [711], [713], [867], [871], [877], [881], [888], [889], [890], [892] [2018-09-15 09:54:44,625 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 09:54:44,625 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 09:55:07,769 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 09:55:07,772 INFO L272 AbstractInterpreter]: Visited 129 different actions 129 times. Never merged. Never widened. Never found a fixpoint. Largest state had 37 variables. [2018-09-15 09:55:07,790 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 09:55:11,493 INFO L232 lantSequenceWeakener]: Weakened 128 states. On average, predicates are now at 81.31% of their original sizes. [2018-09-15 09:55:11,494 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 09:55:12,582 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 09:55:12,585 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 09:55:12,585 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-15 09:55:12,585 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 09:55:12,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-15 09:55:12,601 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-15 09:55:12,602 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-09-15 09:55:12,605 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 10 states. [2018-09-15 09:55:18,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 09:55:18,609 INFO L93 Difference]: Finished difference Result 622 states and 1061 transitions. [2018-09-15 09:55:18,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-15 09:55:18,611 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 130 [2018-09-15 09:55:18,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 09:55:18,630 INFO L225 Difference]: With dead ends: 622 [2018-09-15 09:55:18,631 INFO L226 Difference]: Without dead ends: 383 [2018-09-15 09:55:18,641 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 133 GetRequests, 121 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 09:55:18,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-09-15 09:55:18,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 380. [2018-09-15 09:55:18,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-09-15 09:55:18,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 531 transitions. [2018-09-15 09:55:18,724 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 531 transitions. Word has length 130 [2018-09-15 09:55:18,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 09:55:18,725 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 531 transitions. [2018-09-15 09:55:18,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-15 09:55:18,727 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 531 transitions. [2018-09-15 09:55:18,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-09-15 09:55:18,738 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 09:55:18,738 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, 1] [2018-09-15 09:55:18,740 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 09:55:18,740 INFO L82 PathProgramCache]: Analyzing trace with hash 662934721, now seen corresponding path program 1 times [2018-09-15 09:55:18,741 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 09:55:18,741 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 141 with the following transitions: [2018-09-15 09:55:18,743 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], [707], [711], [713], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-15 09:55:18,758 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 09:55:18,759 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 09:56:54,213 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 09:56:54,214 INFO L272 AbstractInterpreter]: Visited 133 different actions 260 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 09:56:54,225 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 09:57:03,240 INFO L232 lantSequenceWeakener]: Weakened 138 states. On average, predicates are now at 81.31% of their original sizes. [2018-09-15 09:57:03,240 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 09:57:06,658 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 09:57:06,659 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 09:57:06,659 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-09-15 09:57:06,660 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 09:57:06,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-15 09:57:06,662 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-15 09:57:06,662 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-09-15 09:57:06,663 INFO L87 Difference]: Start difference. First operand 380 states and 531 transitions. Second operand 15 states. [2018-09-15 09:57:17,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 09:57:17,377 INFO L93 Difference]: Finished difference Result 907 states and 1349 transitions. [2018-09-15 09:57:17,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-09-15 09:57:17,380 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 140 [2018-09-15 09:57:17,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 09:57:17,387 INFO L225 Difference]: With dead ends: 907 [2018-09-15 09:57:17,388 INFO L226 Difference]: Without dead ends: 533 [2018-09-15 09:57:17,400 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 155 GetRequests, 83 SyntacticMatches, 43 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 645 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=221, Invalid=709, Unknown=0, NotChecked=0, Total=930 [2018-09-15 09:57:17,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2018-09-15 09:57:17,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 527. [2018-09-15 09:57:17,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2018-09-15 09:57:17,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 690 transitions. [2018-09-15 09:57:17,447 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 690 transitions. Word has length 140 [2018-09-15 09:57:17,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 09:57:17,448 INFO L480 AbstractCegarLoop]: Abstraction has 527 states and 690 transitions. [2018-09-15 09:57:17,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-15 09:57:17,449 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 690 transitions. [2018-09-15 09:57:17,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-09-15 09:57:17,453 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 09:57:17,454 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, 1] [2018-09-15 09:57:17,454 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 09:57:17,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1738232391, now seen corresponding path program 1 times [2018-09-15 09:57:17,455 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 09:57:17,455 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 145 with the following transitions: [2018-09-15 09:57:17,455 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], [707], [711], [713], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-15 09:57:17,461 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 09:57:17,461 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 09:58:54,447 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 09:58:54,448 INFO L272 AbstractInterpreter]: Visited 133 different actions 260 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 09:58:54,455 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 09:59:03,040 INFO L232 lantSequenceWeakener]: Weakened 142 states. On average, predicates are now at 81.29% of their original sizes. [2018-09-15 09:59:03,040 INFO L412 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-09-15 09:59:05,715 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 09:59:05,720 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 09:59:05,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 09:59:05 BoogieIcfgContainer [2018-09-15 09:59:05,721 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 09:59:05,722 INFO L168 Benchmark]: Toolchain (without parser) took 266194.01 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 1.5 GB in the end (delta: -89.1 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-09-15 09:59:05,724 INFO L168 Benchmark]: CDTParser took 0.24 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 09:59:05,725 INFO L168 Benchmark]: CACSL2BoogieTranslator took 771.56 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-15 09:59:05,726 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.15 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 09:59:05,726 INFO L168 Benchmark]: Boogie Preprocessor took 271.11 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 720.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -802.8 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2018-09-15 09:59:05,727 INFO L168 Benchmark]: RCFGBuilder took 3675.87 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: 111.2 MB). Peak memory consumption was 111.2 MB. Max. memory is 7.1 GB. [2018-09-15 09:59:05,728 INFO L168 Benchmark]: TraceAbstraction took 261355.31 ms. Allocated memory was 2.2 GB in the beginning and 4.0 GB in the end (delta: 1.8 GB). Free memory was 2.0 GB in the beginning and 1.5 GB in the end (delta: 560.3 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-09-15 09:59:05,733 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 771.56 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 112.15 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. * Boogie Preprocessor took 271.11 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 720.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -802.8 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3675.87 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: 111.2 MB). Peak memory consumption was 111.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 261355.31 ms. Allocated memory was 2.2 GB in the beginning and 4.0 GB in the end (delta: 1.8 GB). Free memory was 2.0 GB in the beginning and 1.5 GB in the end (delta: 560.3 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 145 with TraceHistMax 2, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 16 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. TIMEOUT Result, 261.2s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 16.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 483 SDtfs, 1714 SDslu, 496 SDs, 0 SdLazy, 2681 SolverSat, 309 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.4s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 288 GetRequests, 204 SyntacticMatches, 43 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 657 ImplicationChecksByTransitivity, 6.3s 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, 215.7s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.9947910838229699 AbsIntWeakeningRatio, 0.18248175182481752 AbsIntAvgWeakeningVarsNumRemoved, 810.5669099756691 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_label56_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_09-59-05-749.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem02_label56_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_09-59-05-749.csv Completed graceful shutdown