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/Problem01_label41_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 05:02:25,674 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 05:02:25,678 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 05:02:25,689 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 05:02:25,689 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 05:02:25,690 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 05:02:25,692 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 05:02:25,694 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 05:02:25,695 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 05:02:25,696 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 05:02:25,697 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 05:02:25,698 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 05:02:25,699 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 05:02:25,700 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 05:02:25,701 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 05:02:25,702 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 05:02:25,702 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 05:02:25,704 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 05:02:25,707 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 05:02:25,708 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 05:02:25,709 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 05:02:25,711 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 05:02:25,713 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-19 05:02:25,728 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 [2018-09-19 05:02:25,743 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 05:02:25,744 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 05:02:25,745 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 05:02:25,745 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 05:02:25,745 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 05:02:25,745 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 05:02:25,745 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 05:02:25,746 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 05:02:25,746 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-19 05:02:25,746 INFO L133 SettingsManager]: * Abstract domain=IntervalDomain [2018-09-19 05:02:25,746 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 05:02:25,746 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 05:02:25,747 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 05:02:25,747 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 05:02:25,748 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 05:02:25,748 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 05:02:25,748 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 05:02:25,748 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 05:02:25,748 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 05:02:25,749 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 05:02:25,749 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 05:02:25,749 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 05:02:25,749 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 05:02:25,749 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 05:02:25,749 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 05:02:25,750 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 05:02:25,750 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 05:02:25,750 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 05:02:25,750 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 05:02:25,750 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 05:02:25,751 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 05:02:25,751 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 05:02:25,751 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 05:02:25,751 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 05:02:25,751 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 05:02:25,797 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 05:02:25,810 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 05:02:25,814 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 05:02:25,816 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 05:02:25,816 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 05:02:25,817 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-09-19 05:02:26,169 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/145f875d2/f0956e17fef1400cb91abd54e3e45f34/FLAGf3e146c7e [2018-09-19 05:02:26,449 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 05:02:26,451 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-09-19 05:02:26,471 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/145f875d2/f0956e17fef1400cb91abd54e3e45f34/FLAGf3e146c7e [2018-09-19 05:02:26,488 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/145f875d2/f0956e17fef1400cb91abd54e3e45f34 [2018-09-19 05:02:26,503 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 05:02:26,506 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 05:02:26,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 05:02:26,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 05:02:26,516 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 05:02:26,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:02:26" (1/1) ... [2018-09-19 05:02:26,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7add9a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:26, skipping insertion in model container [2018-09-19 05:02:26,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:02:26" (1/1) ... [2018-09-19 05:02:26,534 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 05:02:27,020 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 05:02:27,047 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 05:02:27,135 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 05:02:27,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:27 WrapperNode [2018-09-19 05:02:27,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 05:02:27,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 05:02:27,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 05:02:27,175 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 05:02:27,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:27" (1/1) ... [2018-09-19 05:02:27,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:27" (1/1) ... [2018-09-19 05:02:27,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 05:02:27,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 05:02:27,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 05:02:27,284 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 05:02:27,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:27" (1/1) ... [2018-09-19 05:02:27,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:27" (1/1) ... [2018-09-19 05:02:27,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:27" (1/1) ... [2018-09-19 05:02:27,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:27" (1/1) ... [2018-09-19 05:02:27,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:27" (1/1) ... [2018-09-19 05:02:27,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:27" (1/1) ... [2018-09-19 05:02:27,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:27" (1/1) ... [2018-09-19 05:02:27,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 05:02:27,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 05:02:27,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 05:02:27,471 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 05:02:27,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:27" (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 [2018-09-19 05:02:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 05:02:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 05:02:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 05:02:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 05:02:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 05:02:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 05:02:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 05:02:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 05:02:31,114 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 05:02:31,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:02:31 BoogieIcfgContainer [2018-09-19 05:02:31,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 05:02:31,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 05:02:31,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 05:02:31,120 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 05:02:31,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 05:02:26" (1/3) ... [2018-09-19 05:02:31,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@203ab43d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 05:02:31, skipping insertion in model container [2018-09-19 05:02:31,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:27" (2/3) ... [2018-09-19 05:02:31,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@203ab43d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 05:02:31, skipping insertion in model container [2018-09-19 05:02:31,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:02:31" (3/3) ... [2018-09-19 05:02:31,124 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label41_true-unreach-call_false-termination.c [2018-09-19 05:02:31,135 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 05:02:31,143 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 05:02:31,193 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 05:02:31,193 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 05:02:31,193 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 05:02:31,194 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 05:02:31,194 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 05:02:31,194 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 05:02:31,194 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 05:02:31,194 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 05:02:31,195 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 05:02:31,220 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-09-19 05:02:31,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-19 05:02:31,232 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 05:02:31,234 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] [2018-09-19 05:02:31,237 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 05:02:31,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1784134456, now seen corresponding path program 1 times [2018-09-19 05:02:31,246 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 05:02:31,247 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 93 with the following transitions: [2018-09-19 05:02:31,250 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [373], [375], [761], [765], [771], [775], [782], [783], [784], [786] [2018-09-19 05:02:31,299 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 05:02:31,299 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 05:02:31,695 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 05:02:31,697 INFO L272 AbstractInterpreter]: Visited 67 different actions 67 times. Never merged. Never widened. Never found a fixpoint. Largest state had 41 variables. [2018-09-19 05:02:31,743 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 05:02:32,029 INFO L232 lantSequenceWeakener]: Weakened 65 states. On average, predicates are now at 79.3% of their original sizes. [2018-09-19 05:02:32,029 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 05:02:32,686 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 05:02:32,688 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 05:02:32,689 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-19 05:02:32,689 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 05:02:32,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-19 05:02:32,702 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-19 05:02:32,703 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-09-19 05:02:32,706 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 12 states. [2018-09-19 05:02:34,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 05:02:34,849 INFO L93 Difference]: Finished difference Result 475 states and 794 transitions. [2018-09-19 05:02:34,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-19 05:02:34,851 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 92 [2018-09-19 05:02:34,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 05:02:34,867 INFO L225 Difference]: With dead ends: 475 [2018-09-19 05:02:34,867 INFO L226 Difference]: Without dead ends: 265 [2018-09-19 05:02:34,874 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 97 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2018-09-19 05:02:34,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-09-19 05:02:34,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2018-09-19 05:02:34,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-09-19 05:02:34,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 397 transitions. [2018-09-19 05:02:34,949 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 397 transitions. Word has length 92 [2018-09-19 05:02:34,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 05:02:34,950 INFO L480 AbstractCegarLoop]: Abstraction has 265 states and 397 transitions. [2018-09-19 05:02:34,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-19 05:02:34,950 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 397 transitions. [2018-09-19 05:02:34,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-09-19 05:02:34,956 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 05:02:34,956 INFO L376 BasicCegarLoop]: trace histogram [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] [2018-09-19 05:02:34,956 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 05:02:34,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1237528987, now seen corresponding path program 1 times [2018-09-19 05:02:34,957 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 05:02:34,957 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 102 with the following transitions: [2018-09-19 05:02:34,960 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [373], [375], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-19 05:02:34,975 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 05:02:34,975 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 05:02:35,322 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 05:02:35,322 INFO L272 AbstractInterpreter]: Visited 95 different actions 160 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-09-19 05:02:35,360 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 05:02:35,610 INFO L232 lantSequenceWeakener]: Weakened 98 states. On average, predicates are now at 79.95% of their original sizes. [2018-09-19 05:02:35,610 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 05:02:35,779 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 05:02:35,780 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 05:02:35,780 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 05:02:35,780 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 05:02:35,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 05:02:35,784 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 05:02:35,784 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 05:02:35,785 INFO L87 Difference]: Start difference. First operand 265 states and 397 transitions. Second operand 10 states. [2018-09-19 05:02:39,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 05:02:39,429 INFO L93 Difference]: Finished difference Result 602 states and 990 transitions. [2018-09-19 05:02:39,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-19 05:02:39,434 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 101 [2018-09-19 05:02:39,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 05:02:39,439 INFO L225 Difference]: With dead ends: 602 [2018-09-19 05:02:39,440 INFO L226 Difference]: Without dead ends: 404 [2018-09-19 05:02:39,443 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 107 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-19 05:02:39,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2018-09-19 05:02:39,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 403. [2018-09-19 05:02:39,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2018-09-19 05:02:39,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 549 transitions. [2018-09-19 05:02:39,478 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 549 transitions. Word has length 101 [2018-09-19 05:02:39,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 05:02:39,479 INFO L480 AbstractCegarLoop]: Abstraction has 403 states and 549 transitions. [2018-09-19 05:02:39,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 05:02:39,479 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 549 transitions. [2018-09-19 05:02:39,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-19 05:02:39,483 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 05:02:39,483 INFO L376 BasicCegarLoop]: trace histogram [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] [2018-09-19 05:02:39,484 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 05:02:39,484 INFO L82 PathProgramCache]: Analyzing trace with hash 869358827, now seen corresponding path program 1 times [2018-09-19 05:02:39,484 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 05:02:39,485 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 105 with the following transitions: [2018-09-19 05:02:39,485 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [373], [375], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-19 05:02:39,491 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 05:02:39,492 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 05:02:39,751 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 05:02:39,751 INFO L272 AbstractInterpreter]: Visited 95 different actions 159 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-09-19 05:02:39,789 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 05:02:39,965 INFO L232 lantSequenceWeakener]: Weakened 101 states. On average, predicates are now at 79.95% of their original sizes. [2018-09-19 05:02:39,965 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 05:02:40,216 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 05:02:40,217 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 05:02:40,217 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 05:02:40,217 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 05:02:40,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 05:02:40,218 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 05:02:40,218 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 05:02:40,218 INFO L87 Difference]: Start difference. First operand 403 states and 549 transitions. Second operand 10 states. [2018-09-19 05:02:42,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 05:02:42,289 INFO L93 Difference]: Finished difference Result 801 states and 1242 transitions. [2018-09-19 05:02:42,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 05:02:42,290 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2018-09-19 05:02:42,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 05:02:42,296 INFO L225 Difference]: With dead ends: 801 [2018-09-19 05:02:42,296 INFO L226 Difference]: Without dead ends: 603 [2018-09-19 05:02:42,298 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 111 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 05:02:42,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2018-09-19 05:02:42,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 596. [2018-09-19 05:02:42,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2018-09-19 05:02:42,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 769 transitions. [2018-09-19 05:02:42,328 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 769 transitions. Word has length 104 [2018-09-19 05:02:42,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 05:02:42,328 INFO L480 AbstractCegarLoop]: Abstraction has 596 states and 769 transitions. [2018-09-19 05:02:42,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 05:02:42,328 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 769 transitions. [2018-09-19 05:02:42,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-09-19 05:02:42,331 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 05:02:42,331 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2018-09-19 05:02:42,332 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 05:02:42,332 INFO L82 PathProgramCache]: Analyzing trace with hash 401131848, now seen corresponding path program 1 times [2018-09-19 05:02:42,332 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 05:02:42,332 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 114 with the following transitions: [2018-09-19 05:02:42,333 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [373], [375], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-19 05:02:42,337 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 05:02:42,337 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 05:02:42,719 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-19 05:02:42,720 INFO L272 AbstractInterpreter]: Visited 97 different actions 259 times. Merged at 7 different actions 16 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 42 variables. [2018-09-19 05:02:42,763 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-19 05:02:42,793 WARN L209 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-09-19 05:02:42,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 05:02:42 BoogieIcfgContainer [2018-09-19 05:02:42,794 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 05:02:42,795 INFO L168 Benchmark]: Toolchain (without parser) took 16290.99 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 912.3 MB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -245.2 MB). Peak memory consumption was 667.0 MB. Max. memory is 7.1 GB. [2018-09-19 05:02:42,797 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 05:02:42,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.66 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-19 05:02:42,799 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.70 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-19 05:02:42,800 INFO L168 Benchmark]: Boogie Preprocessor took 185.79 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 773.8 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -873.6 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2018-09-19 05:02:42,801 INFO L168 Benchmark]: RCFGBuilder took 3645.45 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 133.3 MB). Peak memory consumption was 133.3 MB. Max. memory is 7.1 GB. [2018-09-19 05:02:42,801 INFO L168 Benchmark]: TraceAbstraction took 11677.29 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 138.4 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 452.8 MB). Peak memory consumption was 591.2 MB. Max. memory is 7.1 GB. [2018-09-19 05:02:42,807 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 665.66 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 109.70 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 185.79 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 773.8 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -873.6 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3645.45 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 133.3 MB). Peak memory consumption was 133.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11677.29 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 138.4 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 452.8 MB). Peak memory consumption was 591.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 431]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L7] int a= 1; [L8] int d= 4; [L9] int e= 5; [L10] int f= 6; [L11] int c= 3; [L12] int b= 2; [L15] int u = 21; [L16] int v = 22; [L17] int w = 23; [L18] int x = 24; [L19] int y = 25; [L20] int z = 26; [L22] int a17 = 1; [L23] int a7 = 0; [L24] int a20 = 1; [L25] int a8 = 15; [L26] int a12 = 8; [L27] int a16 = 5; [L28] int a21 = 1; [L580] int output = -1; [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L591] CALL, EXPR calculate_output(input) [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L35] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L49] COND TRUE ((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8))) [L50] a8 = 13 [L51] a7 = 1 [L52] a16 = 4 [L53] RET return -1; [L591] EXPR calculate_output(input) [L591] output = calculate_output(input) [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L591] CALL, EXPR calculate_output(input) [L31] COND TRUE (((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8)) [L32] a16 = 5 [L33] a20 = 0 [L34] RET return 24; [L591] EXPR calculate_output(input) [L591] output = calculate_output(input) [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L591] CALL calculate_output(input) [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L35] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L49] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) [L54] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) [L62] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) [L65] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) [L72] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) [L80] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) [L84] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) [L92] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) [L97] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) [L102] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) [L108] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) [L114] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) [L119] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) [L124] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) [L129] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) [L136] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) [L140] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) [L144] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) [L148] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) [L152] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) [L160] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) [L165] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) [L173] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) [L178] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8))) [L186] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) [L189] COND FALSE !((((!(a7==1)&&(((input==2)&&((((a16==5)&&((a20==1)&&!(a17==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a8==15)))&&(a12==8))&&(a21==1))) [L194] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) [L197] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) [L203] COND FALSE !(((((a8==15)&&(!(a7==1)&&((((!(a20==1)&&(a17==1))&&(a16==4))||(((!(a17==1)&&(a20==1))&&(a16==5))||((a16==6)&&((a20==1)&&!(a17==1)))))&&(input==6))))&&(a12==8))&&(a21==1))) [L208] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) [L214] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) [L218] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) [L223] COND FALSE !(((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1)))) [L231] COND FALSE !(((a20==1)&&(((a12==8)&&((a7==1)&&((a8==13)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==3)))))&&!(a21==1)))) [L238] COND FALSE !(((a12==8)&&((a7==1)&&(!(a21==1)&&((a8==13)&&((input==6)&&(((a16==6)&&((a20==1)&&!(a17==1)))||((a16==4)&&((a17==1)&&!(a20==1)))))))))) [L245] COND FALSE !(((!(a7==1)&&(!(a17==1)&&((((a16==4)&&((a8==15)&&(input==1)))&&(a12==8))&&(a21==1))))&&(a20==1))) [L250] COND FALSE !(((a17==1)&&(((a21==1)&&(!(a20==1)&&((a12==8)&&((a8==15)&&(!(a7==1)&&(input==1))))))&&(a16==6)))) [L256] COND FALSE !(((a20==1)&&((a12==8)&&((((a17==1)&&((((a16==5)||(a16==6))&&(input==4))&&(a8==15)))&&(a21==1))&&!(a7==1))))) [L261] COND FALSE !(((((a8==13)&&((((!(a21==1)&&(input==6))&&(a20==1))&&(a12==8))&&(a17==1)))&&(a7==1))&&(a16==5))) [L265] COND FALSE !(((a16==5)&&(((((a12==8)&&(!(a7==1)&&((input==2)&&!(a20==1))))&&(a21==1))&&(a17==1))&&(a8==15)))) [L268] COND FALSE !((((a12==8)&&(((!(a17==1)&&((a21==1)&&((input==4)&&!(a7==1))))&&(a8==15))&&(a20==1)))&&(a16==4))) [L273] COND FALSE !(((a7==1)&&((a8==13)&&((a12==8)&&(!(a21==1)&&((input==2)&&((((a20==1)&&!(a17==1))&&(a16==6))||(((a17==1)&&!(a20==1))&&(a16==4))))))))) [L278] COND FALSE !((((((((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15))&&(a16==6))&&(a21==1))||((((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1)))&&(a16==4))&&!(a21==1)))&&(input==6))&&(a12==8))) [L286] COND FALSE !(((!(a7==1)&&(!(a17==1)&&(((((input==3)&&(a21==1))&&(a16==4))&&(a8==15))&&(a12==8))))&&!(a20==1))) [L292] COND FALSE !((((((a12==8)&&(((((a17==1)&&!(a20==1))&&(a16==4))||((((a20==1)&&!(a17==1))&&(a16==5))||((!(a17==1)&&(a20==1))&&(a16==6))))&&(input==3)))&&(a8==15))&&(a21==1))&&!(a7==1))) [L299] COND FALSE !((((!(a7==1)&&(((input==5)&&((((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a12==8)))&&(a21==1))&&(a8==15))) [L306] COND FALSE !(((!(a7==1)&&(((a21==1)&&(((a17==1)&&((a12==8)&&(input==2)))&&!(a20==1)))&&(a16==6)))&&(a8==15))) [L312] COND FALSE !(((!(a17==1)&&((a21==1)&&((!(a20==1)&&((a12==8)&&((input==3)&&!(a7==1))))&&(a8==15))))&&(a16==5))) [L316] COND FALSE !((((a16==5)&&(!(a20==1)&&(((((input==6)&&(a21==1))&&(a17==1))&&!(a7==1))&&(a12==8))))&&(a8==15))) [L318] COND FALSE !((!(a7==1)&&((a17==1)&&(((a16==6)&&(!(a20==1)&&(((input==6)&&(a12==8))&&(a21==1))))&&(a8==15))))) [L324] COND FALSE !(((((a21==1)&&((a8==15)&&((a12==8)&&(!(a7==1)&&(!(a17==1)&&(input==2))))))&&(a16==4))&&(a20==1))) [L329] COND FALSE !(((a8==15)&&(((a16==4)&&((a12==8)&&((!(a20==1)&&(!(a7==1)&&(input==1)))&&!(a17==1))))&&(a21==1)))) [L333] COND FALSE !(((a21==1)&&(((a12==8)&&((((a17==1)&&((input==3)&&((a16==5)||(a16==6))))&&!(a7==1))&&(a20==1)))&&(a8==15)))) [L337] COND FALSE !((!(a21==1)&&((a20==1)&&(((a12==8)&&((a8==13)&&((((a16==5)&&!(a17==1))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==2))))&&(a7==1))))) [L345] COND FALSE !(((a7==1)&&((a12==8)&&((((a20==1)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||((a16==4)&&!(a17==1))))&&(input==4)))&&(a8==13))&&!(a21==1))))) [L353] COND FALSE !(((a21==1)&&((((!(a7==1)&&((a8==15)&&(!(a20==1)&&(input==4))))&&(a17==1))&&(a16==5))&&(a12==8)))) [L355] COND FALSE !((((!(a7==1)&&((!(a20==1)&&((a21==1)&&((input==3)&&(a17==1))))&&(a8==15)))&&(a12==8))&&(a16==5))) [L361] COND FALSE !(((((!(a17==1)&&(!(a20==1)&&((a8==15)&&((input==1)&&(a16==5)))))&&(a12==8))&&(a21==1))&&!(a7==1))) [L363] COND FALSE !(((((a21==1)&&((a8==15)&&(((a16==5)&&((a12==8)&&(input==1)))&&(a17==1))))&&!(a7==1))&&!(a20==1))) [L365] COND FALSE !(((!(a21==1)&&((a20==1)&&((((a8==13)&&((a7==1)&&(input==5)))&&(a17==1))&&(a12==8))))&&(a16==5))) [L372] COND FALSE !((((!(a7==1)&&((a21==1)&&((((input==6)&&(a20==1))&&(a8==15))&&!(a17==1))))&&(a12==8))&&(a16==4))) [L377] COND FALSE !(((((a20==1)&&(((!(a21==1)&&((a7==1)&&(input==1)))&&(a8==13))&&(a17==1)))&&(a12==8))&&(a16==5))) [L382] COND FALSE !(((a12==8)&&((input==5)&&((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==15))&&(a16==6))&&(a21==1))||(!(a21==1)&&((a16==4)&&(((a20==1)&&((a7==1)&&(a17==1)))&&(a8==13)))))))) [L391] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) [L394] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) [L397] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==4))&&(a21==1))) [L400] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) [L403] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) [L406] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==5))&&(a21==1))) [L409] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) [L412] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) [L415] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L418] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) [L421] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L424] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) [L427] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L430] COND TRUE (((((((a17==1)&&!(a7==1))&&!(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1)) [L431] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. UNKNOWN Result, 11.6s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 7.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 723 SDtfs, 1168 SDslu, 814 SDs, 0 SdLazy, 3856 SolverSat, 423 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 315 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=596occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.6s AbstIntTime, 4 AbstIntIterations, 3 AbstIntStrong, 0.9979322496583638 AbsIntWeakeningRatio, 0.2755102040816326 AbsIntAvgWeakeningVarsNumRemoved, 30.29591836734694 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 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: unable to determine feasibility of some traces Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label41_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_05-02-42-823.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label41_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_05-02-42-823.csv Received shutdown request...